Classic Car Survival - Troubleshooting Carbureted Engine Fuel Delivery Systems

The fuel delivery systems that were used during the carburetor era were basic, simple, easy to work with and fairly universal among all the car and light truck manufacturers of the day.
Their construction was universal and their main problem was equally universal. Fuel starvation.
Here's a run through of the entire system, beginning at the gas cap and ending at the carburetor. How to determine whether your cars problem is ignition or fuel related by seat of the pants feel, and how to go through the tank, lines, pump and carb to identify and fix the various issues common to each.
Also, how we found the unusual problem starving the 440 in our Power Tour bound 1967 Charger.
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[@markmetzger5430]

Friends don't let friends drive their car without a carburetor......Good on you Tony, for being a friend :))

[@donaldfrederick1557]

I'd love to change my 1996 300 inline 6 ford engine to carburetor. Don't think the electronics on a 96 can make it happen

[@fyrbyrd71]

@@donaldfrederick1557 Electronics of the fuel and ignition control system can be done away with if one is willing to do away with engine emissions control while still keeping the catalytic converter utilizing the vehicle strictly off-road. Federally, it is illegal to sell a vehicle with such omissions, and too, if your state requires emissions testing for road use. Privately, one can search for a non-computer distributor and the carb off the same engine from an earlier model, providing your intake accepts a carb for off-road use. If your intake does not bolt up a carb, the intake off the same engine that the dist. and carb came from will be required, which there are plenty of for off-road use. There are different hurdles to overcome but it can be done by you for off-road use privately, if so inclined and mechanically inclined. Disclaimer: These are simply talking points and NOT advice to bypass federal laws in any way.

[@jacobspainhoward]

​@donaldfrederick1557 my 87 had the fi 300 it now has a 1972 302 in it. Before hand I just used the factory ford carb intake and a hei conversion worked just fine.

[@jamesblair9614]

An unhardened fuel pump pushrod on my rebuilt 383 was a real head scratcher to diagnose. I have it sitting on my desk, right in front of me, about 1/4" shorter than it should be. What was most surprising was how well the car drove with only a fraction of the pump stroke it was meant to have.

[@adamrosen7937]

Your experience is priceless. Something as simple as "ignition problems create abrupt symptoms and fuel issues are more gradual" makes total sense and yet something that I may never have considered. I truly appreciate all your advice, knowledge, and passion. My #1 favorite Youtibe Channel, hands down.

[@tt600pch]

There is the "head scratcher" that can leave one sitting on the side of the road. My Cutlass has a Chevy 350 in it One day after visiting my son we were heading home and it died...like shutting the key off die. I called my son and he came down. I put a spare spark plug in a plug wire and determined I had spark. Then pulled the fuel line from the stock pump. No fuel. We put a temporary electric fuel pump in and drove it home. I pulled the mechanical pump out and found the pin that is a hinge for the actuator came out where it was staked in. Never saw one come apart before. 2 weeks later my kid was driving his 69 Camaro and the exact same thing happened to his pump. Even with the trouble I'd still rather run a mechanical pump.

[@rocktoonzz]

Videos like this give me the confidence that while I may never be a builder, if I have something that runs well I can keep it running well.

[@wlogue]

Don't forget, most oem carbs have a filter in the fuel inlet that is pretty fine. Thanks U.T.

[@luciandrumond5407]

Excellent video, mention another example that drove us crazy. Car had been sitting for a long time with old fuel. Pickup tube had rusted a tiny hole at that fuel level. Subsequently whenever the full fuel level dropped to the pin hole level car would act erratic, but the sloshing fuel would mask symptoms until the level dropped signifantly below the pin hole.

[@bobbyz1964]

Not even sure how many times just in the last few weeks I've told people to follow their fuel lines back to the tank looking for short pieces of rubber hose. There's always a piece at the pump and at the sending unit, maybe more in-between, that'll really cause trouble. Dry rotted and sucking air or turned to a goo like substance and restricting flow. Great topic, great video!

[@kennethjosephson134]

Yep. Went through that with my ‘59 Plymouth station wagon.

[@geoffreysmith3196]

Actually, this makes perfect sense. Soft fuel lines, just like brake hoses, will constrict internally with advanced age, due to exposure to the petroleum distillates they handle. Good rundown on the many other problems you may find as well. As usual, another good teaching video. Thanks for posting. I always learn at least a little bit from every one of these.

[@jimmyfleetwood1118]

1980s BMWs will lock the rear brakes with old brakes hoses.

[@wwalker3738]

Carbs have been the Bain of my existence building classic cars. Tuning,jetting and just them to perfection is a PIA for me at least. Thanks for the info over the last few months Tony. I appreciate it!

[@davidmiller9485]

I really hate to be that guy but... Bane.

[@brokenbiker09]

And Australian built Fords built in the 80s had a short rubber hose joining two steel fuel lines approximately where the A pillar/firewall is. I think it was because the 6 and v8 had different steel lines in the engine bay. I had the problem where that perished. I replaced the rubber at the tank and in the engine bay, still had problems and finally traced it. Thanks for sharing, its always good to hear stories because it helps us think of other options to try or places to look.

[@stuckinmygarage6220]

Exactly - And, if you are obsessed, like me, I'm thinking I need to take down my tank... "Did the sock fall off?" Cheers!

[@timklein3962]

Thank you for doing a video on traditional cars; 50s-70s; none of these parts store employees know anything about these older cars; and its maddening; thanks again !!

[@centralbears3010]

I love the carbureter chunk. you might put a condensor in the care package too.

[@MaxNafeHorsemanship]

An HEI will make an easy drop in when his EFI fails.

[@davidpaul5465]

+A The most concise fuel system with functional description. Plus your most concise video too.

[@viktorhardindyrvold4234]

I'd like to refer to Chris Birdsong (guy who restores 2nd gen Chargers and un-hacked the '68 from Roadkill) who was deep into Holley EFI stuff, untill he started having them fail and leave him stranded. (Surprise surprise) So now he has abandoned them and went back to carbs again.

[@jimmyfleetwood1118]

Interesting about the Holley EFI. I've been having problems with Pertronix ignition conversions--not that they stop firing, but hard starting and blowing-up mufflers --- somehow the timing is off and ignite while an exhaust valve is open. I'm all points now, and not another problem.

[@MCNicholasR]

Yay, carb throwing is back!

[@brandenjones716]

Dude, i cant thank you enough, the amount of knowledge you have taught me is very much appreciated. Take it easy man, i know back issues really suck.

[@richdiscoveries]

I get it man, I threw my back out one-time putting my freaking pants on LOL.. Whatever, I still wake up every morning so it's not too bad. Glad you're starting to feel better buddy

[@robertyates9008]

Uncle Tony a big thank you for all the valuable information you have provided. You are very thorough in all aspects that you are providing Tony, You have taught me soo much in such a fast time. I’m 68 yrs old and with people like you are providing me at an ole age so much information ❤ Thank You so much!!!

[@chumleye1112]

Yep, I like your comment about Dans car. Computers and computer controlled gadgets are great but when they go bad you are DOA. Carbs, just like points ignitions are easy to troubleshoot and really easy to get back up and going. Too many people think throwing $$$ at things is the best - not always the case. Keep it simple, keep $$$ in your pocket and keep running. Less is More.

[@crazycoffee]

Get better Uncle Tony. Hearing about the back issues hits me hard. Having my right knee completely replaced at 15. I had to compensate a lot for that. Ever since my back feels horrible. Ill throw it out once or twice a year. My left knee is starting to dislocate like my right one did during football.

[@jamesmedina2062]

football is just nasty for injuries. I had a guy fly at my legs who messed up my knee and he was a meathead and does not even remember what he did to me today. I love throwing the ball but hate the sport today

[@slade9372]

Looking forward to you hopefully getting back on the "My First Engine Rebuild" series with the Jeep motor.

[@clarencemc3rd295]

Excellent. I've been chasing same wot iissue. Suspected all that except the constriction. Thanks

[@buckeyejim2989]

Still waiting for the 55Nomad update 😂 Thanks for tossing that carb in your trunk, your a good friend 🗿😂 Thanks for sharing Tony

[@chuckaustin3832]

Thank you Professor Uncle Tony.

[@66balsam]

That first Gen sitting behind you just looks so badass! I always thought they were a strange car- although based on the Coronet, they seemed so different looking. Dodge really broke firm with that design and I love it. Do right by this car Tony, spend the time it needs to be great again!

[@66balsam]

Broke form I meant to say…

[@pickard24]

Great video, thank you for posting. I was poised to rip out the mechanical fuel pump and fit an electric one. The filter blow through test solved it. Looked ok but was plugged. You've saved me a lot of work and hassle.

[@FanelliRestorations]

funny you posted this the same day I just had my '66 wildcat experience no fuel issues for the first time in 16 yrs. Posted a video too! No fuel at the carb, then traced to the filter, then fuel pump, then disconnected the pump and no fuel coming from the tank to the pump. Tank is vented, dropped the tank and checked the sender and sock was fine. Blew compressed air through steel lines, and checked cam lobe with endoscope to ensure lobe was still hitting pump arm. Pump still pumps. Rubber lines must have collapsed, about to check this weekend more. You rock Tony!

[@Campbase1]

Excellent, I didnt know that cap was vented.

[@lukk4273]

Also seen the inside of rubber hose degrade where a flap of rubber acts as an intermittent check valve.

[@mikethomas5797]

60 Chev p.u. had a piece of solder slag enter sockless fuel line. AFTER inspecting EVERY individual component found it in the metal line 1/2 way between tank & pump!! How it got up & out of the sharp bend behind seat & all that way-I'll NEVER KNOW!! BUT, I was there & IT DID. Drove me crazy for a WEEK!

[@spankyham9607]

I've been caught thinking there was a problem because the filter didn't fill all the way. I notice that an electric fuel pump tends to fill it better, but mounting it so it flows vertically gets them filled, so like a filter from the pump or line going up the front of the engine to the carb, it usually gets mostly full then.

[@cfmechanic]

I had similar issue with my caprice years ago. Stomp and run hard shift to second then get a bog. Had a fuel hose by tank that was cracked, wouldn't leak fuel but would suck air, I was young and dumb and changed carbs distributors, coils, modules, fuel pumps etc. Found the issue after owning the car for almost a year

[@baronvonzach6109]

Currently I don't own a 440 something TNT powered Mopar. What I own, however, is a 845cc Renault 4. And low and behold, everything you say is applicable to my car as well.

[@mwqs1]

Thanks for the excellent video Uncle Tony. Very educational. I wish they could have played your videos in auto shop class in high school.

[@timothyarnott3584]

Hey Tony, Tim here, just gotta say, GET RID OF THE SOCK!!!....we do it on ALL our stuff......but we place a see thru filter rite at the tank.......so supply/sender, filter THEN hard line, then ANOTHER filter at the carb......so the pump gets filtered, and the carb gets filtered...... and with the see-thru (like a wix33003) at the tank you can see if crud is in there, and go from there, OH, qualifier: (we always use a bore scope camera to chk the inside of the tank, b4 we just remove the sock)......thanks for ALL you do!!!. PEACE to you sir!!

[@frankstephenson1746]

‘65 barracuda 340 4speed 850 thermoquade. Had electric pump at the tank, mechanical pump at engine. Never starved.

[@rsbolin]

I am glad I found this channel. I need some direction. I have a true barn find 1978 New Yorker with the 440 and a quadrajet carburetor. I purchased two months ago from an owner that had purchased from the original owner estate. 17,718 original miles. The car had not been driven since 2015 when he purchased it. This does have the infamous lean burn system. I had the car shipped to a carb shop. I order new fuel tank, new fuel sending unit, new fuel pump, new fuel filter, and had a rebuild done of the carb. The carb shop replaced everything I just listed, and rebuilt the carb. On the 8 miles drive home I put 20 gallons of fuel into it. It started fine for a month. Then, and now, it will take multiple attempts to start before it starts to fire, and then when it does fire it does not high idle. I found one loose fuel line from the back of the carb to the metal fuel line and replaced it. Once started and warm it will fire right away. However, if I start it the next day, it will take another five or six attempts before it fires and finally starts. I did notice yesterday that she sounds like she is surging everyone now and then. I do not smell fuel. I do not see any drips under the vehicle front to back, or back to front. I want this to be my daily driver. I am in sales and nothing sells like being in one of the classic cruisers. She does sound sweet when she is running.

[@pete540Z]

I know how that hose on the Charger's tank outlet got constricted, Tony. You were asleep, dreaming about the old days, you sleep-walked into the garage and tipped the nitromethane can into the Charger's tank. That hose didn't like the nitromethane.

[@Carstuff111]

Damn, I love this channel. I need to tell a friend of mine about this on his Cadillac! Neither one of us thought of air through bad rubber hose or hoses sucking air.... He has a mostly stock 1974 Cadillac Eldorado with the 500 in it. He replaced the exhaust from the manifolds to the tips for something with way better flow, yet still quiet when cruising, replaced the fuel tank, hard lines, soft lines, the pick up. Bought a new old stock Cadillac fuel pump that his dad made sure was in good working order, rebuilt the Quadrajet with some minor changes, removed all the smog equipment, and rebuilt the ignition system. He drove it for several years, and the car had been trouble free. He had to do training and a deployment somewhat recently, he got back and the car didn't want to run right after sitting. Thank you Uncle Tony! I will text him in the morning to check the rubber lines, and hopefully that is the fix!

[@sometimesleela5947]

A fuel gauge tee'd into the hard line between the pump-carb and taped to the windshield so you can watch it while driving can help eliminate alot of guessing.

[@_CAT-lg4sr]

Tony, I once had one of the poppet valves inside a mechanical fuel pump come loose and then it wouldn't pump fuel at all. Happened way out miles from anywhere. Took the pump off, opened it up and the poppet valve fell out! I had some tools with me (obviously), put it back in place, used a center punch and staked it in good and solid, reassembled everything and we were good to go. Never had a problem with for the rest of the 8 or 10 years that I had the car for.

[@stuckinmygarage6220]

Nice field repair!👍. Yup. Two toolboxes

[@DamonStJohn]

I was a tech back in the same days you referred to, charcoal made it's way to the carb via the PURGE VALVE.. replaced dozens of them on GM vehicle's of the 80's

[@bradthompson5329]

As a lifelong mechanic myself, I totally recommend Inversion. You know hanging upside down by your ankles on an inversion table.

[@dadalebreton184]

Everyone have went through that in there life. I loved the Bah Bah Bahhh! Electric problem. Very well explainations on total fuel starvations. Personnaly, they all happened to me trough my bikes, cars, sleds and anything with an engine. Probably most of those watching this genuine content. Get well soon !

[@timothybyrom5560]

I had that problem when I was working small engines. The liner in the hose would swell closed. I had about ten new Husqvarna riders I had to replace the fuel hose front to back. Also probably another ten or more craftsman. Only one year. Some of them I had to do twice. The fuel hose they sent us for the warranty work did the same thing.

[@aaabbb6955]

Some great information there, much appreciated uncle Tony! I especially liked the comparison between the way ignition issues and fuel issues manifest themselves. You're an inspiration, thanks for the knowledge 😊

[@bobsled2867]

Excellent video with great examples and explanations! I'll definitely try these options. Thanks for the info.

[@arthurrabon9349]

return line is good thing, lots of problem without one.

[@danielalamo2075]

Another awesome video! I know it's from a few months back. But it just showed up on my feed. And as things would happen the day before yesterday, my dad showed up in his 1963 GMC pickup with a load of corn stalks from his garden for the cattle. The truck started running rough and wouldn't stay running after he shut it off. It turned out just to be the fuel pump. But I already had problems with the socks being plugged and the lines also. I was prepared to check. But as soon as I disconnected the rubber fuel line from the pump, fuel began running like a siphon pipe during irrigation. I pinched the line with vise grips and figured the lines and socks to be free and clear. Thank you for all your tips and for sharing your knowledge!

[@msh11467]

UT. Would love to see a video of you wrenching on the Charger getting it ready for Power Tour. 👍

[@MrBrianbusch]

Great explanation of the anatomy of tje fuel system!

[@randylear8264]

I swapped out an avs with my cousin, for a thermoquad. The thermoquad kept cutting off at various times. Then let it sit. It would run again. Then out of No where shut off again. He ran the avs with an adaptor with no more issues. The 360 Volare ran great. I on the other hand started having the cut off problem on my 340 Challenger. I took the carb apart. Checked the floats and needles. All working as they should. I blew into the metal fuel line with the floats dropped. No blockage. Put it all back together. Ran great. Until it just shut off and starved for fuel. I removed the carb again. No fuel ran out of the line. I tapped it a little and a small round flat piece of plastic fell out. It was almost the same diameter as the fuel line. I guess it would turn like a throttle blades on a carb and fuel would flow. Then when it turned and shut off the fuel it caused the problem. I put the carb back on. And it was the best carb I ever ran. That 2 1/4 secondaries would light the back tires up when it came in😂. I love the thermoquad. Really simple carb to set up. Tension the rear flap and set the needles for ideal idle. I still have this carb.

[@GasMaskPaintballer]

Good thinking on the carbs for DD speed shop. Spend any time on a holley sniper forum and seems like half the folks that put em on end up taking them back off.

[@TAGDIESEL]

I had a similar issue on my square body. I ended up running fuel injection line throughout the truck wherever there was a rubber line connection spot

[@haro997]

This is great Uncle Tony. How about going through some different exhaust configurations I like true duel no cross over because it sounds the best. And you could make a homemade whistle tip like they have in Oakland

[@cbobmonster]

Freaking Tony I love how old-school you are so cool nice videos

[@Max-me9xq]

Tony I enjoy your videos I love that you do for the average wage guy. I know a average guy doesn't really have this but maybe you should get a car lift. I'm just saying this for health reasons. Might be easier on the back

[@henryhenson4787]

Thanks Uncle Tony 🙏

[@stuntmanmike7777]

Charcoal in the float bowl from the evap canister happened on my 1982 cordoba. Put a plastic fuel filter on the line for the vapours and the problem was solved.

[@MrDibbons]

The clear fuel filters must have a layer of vapor. When bracket racing with a cool can (with ice) I found the cooler fuel would fill the clear filters completely with no air/vapor space showing.

[@YODAMAN5]

AWESOME vid...hope your feeling better...MOPAR 4 EVER.

[@340Shorty6Pack]

glad your feeling better and getting your “Back 2 work” for this video

[@kramnull8962]

I had a 77 LTD II that had the door on the quarter panel for the gas cap. The housing or the compartment was made up of the two body panels welded together. There was a manufactured gap for letting any water back out of the Gas cap area. That would easily clog with Fir tree needles and road dust, then when it rained it would cake up the bottom like mud and flood out the Gas cap and allow water into the tank. The only filter on the car was about the size of my thumb and screwed into the 2VV carb. Every time it rained it would go into a nosedive situation at 45 or higher. I could limp it home. It got to be a pain in the hiney to drive, needing the tank totally expelled and fresh start. What it needed was just a couple holes drilled to assist in the draining of the gas cap area.

[@stuckinmygarage6220]

😂. I haven't heard " hiney" in a long time. Texan? I need to check the rubber seal / grommet around my " modern" gas cap. Cheers!

[@kramnull8962]

@@stuckinmygarage6220 Yeah the seal was bad too, but the holes needed to be there because the 1 drain gap at the bottom was easily manipulated over a period of time. Notice I said fir tree, so anywhere else besides my front yard, most likely nothing would have ever happened. but the fir needles just lay one on top of themselves and eventually dam everything up. The dang fir tree is every bit of 5.5' in diameter and in 2 huge branches at the trunk. Again the holes were easier than doing away with the tree.

[@rickstine7107]

Crappy rubber fuel hose has been an issue lately. And I know the bad back deal, I to have delt with it since my teens.

[@davidlobaugh4490]

I feel ya bud, krinkle krunch off to the chiro I been limping around all week too.

[@hunnybunnysheavymetalmusic6542]

16:55 You said 'the very last' but we all know that some times corrosion builds up in a fuel bowl, especially if there is any moisture, and breaks off flakes of aluminum and zinc that then fall into the galley ways and choke them down, leading to a lot of restriction. I have spent a lot of time blasting them things clean. Some times, it helps to just run a little vinegar through them [nothing stronger because anything stronger will eat through the metal, and make other problems such as incurable pinhole leaks, which cause a whole NEW problem, including both reduced fuel due to the vacuum leak when operating, and then the fuel bowl leaking out on you when you park, which also causes dieseling, backfires, and just plain running the carb out of fuel every time you park] some times a little B-12 and compressed air works. I don't know what is in B-12 but I have learned to trust it. I think it really digests a lot of nasty gunk in those tiny galley ways a carburetor that might be missed otherwise. Its rare that you get a carburetor with screw plugs in the drilled passageways, but if you ever do, HANG ON TO IT! They are usually little pressure crimped balls and if you pull them out, its hell getting them back in, and usually you either end up drilling and putting in set screws [and hoping they don't leak all over the place!] or you end up giving up and throwing it away and getting a new carb completely.

[@charleselertii6187]

Thanks UT. Get well soon please! Yay! Chuck in Florida.

[@glocke380]

I just watched DD's vid. As worried as he is about that system tossing that carb is good idea.

[@Fleetwoodjohn]

Had a pushrod on 440 that was 1/4” short. It stalled at idle. This was a fresh engine that a friend rebuilt. I to this day hope it was just a worn original and didn’t send 1/4” worth or wear through the engine. Ran fine after replacing and never picked up any metal on a mag plug.

[@jamesblair9614]

Same problem, over 20 years ago. Unhardened pushrods were being sold, and like you said, 1/4" of fine metal through my fresh rebuilt 383. I got a bit of fur on the drain plug, found some in the filter, but the engine is still a strong runner to this day.

[@jamesmarze9850]

Great content tony it's all helpful and universal

[@kennethjosephson134]

I own a ‘59 Plymouth wagon which has a couple of short stretches of hose connecting the steel fuel line segments. One is in right in front of the rear axle, the other is along the frame rail under the foot well for the rear seat. The latter section of hose failed in a similar manner as the one in the video did. Finding the cause of fuel starvation in that vehicle also drove me crazy. I replaced both, along with the one at the sending unit. They also had hardened and were difficult to remove.

[@mustangtyson]

Yes! Throwing carburators is back!

[@davidbrown4180]

Thank You Tony Good Advise Know What To Look For

[@ricardosannicolas]

Thank you for this video

[@needmetal3221]

I followed ford's instructions on diagnosing a 2017 f150 with a dead throttle pedal. Replaced both high and low pressure pumps, swept throttle sensor (2 grand so far). Turned out to be throttle body. Good luck

[@ryancox8644]

The fuel pump pushrod is the most overlooked fuel supply issue IMO

[@hunnybunnysheavymetalmusic6542]

Weirdest one I ever experienced was a freak accident where I somehow got onto a slick road on a windy switchback in a steep canyon park and ended up nose diving off a 4WD type shortcut and in the process [this was the 74 Coronet I had that looked EXACTLY like Bottle Rocket, by the way] it hit the bottom in some mud, did no actual damage to the car, so we merrily went along on our way, but going up the other side of the park all of the sudden the car died. Well, sure enough, I went and pulled the fuel filter [it was steel and up close to the carburetor] and it was jam packed with rust. We went about 2 miles at a time for the next ten miles before all the lose rust finally stopped clogging up the fuel filter. Moral of this story: NEVER THRASH YOUR OLD CAR AROUND! Stirs up all the years of sediment off the fuel tank. At least, in my defence, I can say that it was an inevitable accident caused by some ice on the road, and a very steep and twisty road at that.

[@jasonstorie8740]

I’m from jackson Tennessee in between Memphis and Nashville on I-40 and we have car shows quite a bit I’d love to see that charger in one sometime, that’s my favorite muscle car of the era even though it’s not technically considered a muscle car I particularly like the 67’ more than the 68’ and 69. I’ve just started watching your channel and you’ve become one of my favorites on KZbin because the depth at which you explain things.

[@rescuedandrestoredgarage]

Great video. Love that charger 😍.

[@johndemichael1990]

I garentee the ethanol ate that rubber hose and made it do that. Although I have never had that issue quite like that. I have learned that regular fuel line is no longer suitable for use. You have to buy the more expensive "fuel injection line" whatever rubber its made from is unaffected by today's gas how fuel line should be. Hopefully that tip helps someone avoid issues.

[@dietervaloczky6051]

Good video, I'm having issues with my Nova and will check all your suggestions, I have a uncle Perry that has a pair of 65 plymouths that you remind me of, he is a body man and a backyard mechanic.

[@yobentley7274]

I have the same back trouble. Started when I was a late teen working on my and friends cars. Leaning over a fender for an hour and could hardly straighten up again. "Life goes on. Long after the thrill of living has gone.."

[@ercost60]

5:09 19:08 Like I sez! 13:30 Copa-static! Just havin' fun, I love UTG!

[@hankblossom]

On my 74 jeep with a 304 in it if it sat for a 2 weeks or so wouldn't start without dumping gas down the carburetor, turned out the linkage in the fuel pump was worn and it only would get about half the stroke. When it was running it moved fast enough to pump enough fuel.

[@davidiverson]

I can smell gas just watching this video! 😆 Super helpful tips as always as I'm just getting ready to put my gas tank and sender together

[@manicmechanic448]

I had a similar problem, with the rubber fuel line, on an Oldsmobile a year or so ago. It got soft, and would collapse on acceleration. Also had to put a new tank in it

[@zilksmooth]

Every time UT says “rubber hose” with that NY accent I start to hear the Welcome Back Kotter theme

[@kennymcquinkiss8292]

Sorry to hear about your bad back . I also have had a bad back for years and I always thought it was muscle related but it turned out to be the cartilage between the bones what's insufficient. Basically I didn't sleep through the night for 20 years it was so bad. After taking glucosamine and chondroitin combination for less than a week I had no more back pain. Try it out you can get it at your local drugstore it's in the vitamin section. Glucosamine and chondroitin . Love your videos all the best to you and yours

[@DDSpeedShop]

Hahahahaha it's as if you know my current struggles

[@Antique803]

Find a good chiropractor. I’m 70, my medical doctor wanted to operate. Got a good chiropractor and am all smiles. It took about 2 months of twice a week visits, but I know plenty who opted for surgery and their pain never went away after 10 years.

[@gmjunky87]

Dads 84 suburban would sterve for fuel sometimes. He thought it was vapor lock. Installed inline electric fuel pump. Years later i found there was a pin hole in one of the metal lines coming from the fuel tank. Clamped a rubber hose on it no more problem. Was very strange

[@Str8sixfan]

Thabk you so much, am gping through this with tue Grand Prix.

[@19pjmichaud]

I got weak back about a week back

[@wheelieking71]

I've even seen the inside of rubber bose have a piece kind of "split" a chunk off and act like a flapper valve under vacuum and close off the supply. Middle of the night plowing snow. That was a fun one to find!

[@alexlandsberger1423]

Tony when you recover I recommend trying cat Camel exercises. I do them for 30 seconds before going to bed made a big difference for me, I know they help because if I quit I get worse lol.

[@user-yj4ci8sz8b]

Good video

[@cgstylzes]

This was very helpful , I have a fuel problem in a 455 Oldsmobile that wont start in the morning unless I prime the carburetor then it runs fine . I changes the gas tank and the fuel pump , but have not checked the float that will be my next move

[@donaldhalls2189]

Crapy bluman hose they say it's rated but I think it's crap dosent last at all ,thanks for sharing, all the best to yous and your loved ones

[@passionfortheword9817]

When I was a mechanic I was always told that resqueezing the gas nozzle after its shut off would slightly over fill the tank and cause the charcoal to get in places it doesnt belong. I have no first hand experience of this happening, it's just what I was told at the time.

[@johnweaver8470]

Maybe that hard launch from bottle rocket threw your back out, that was a great race take it easy uncle Tony great video keep them coming