Turbocharging My Honda 400ex Quad. Will It Make Boost?

I install a turbocharger on my 1999 Honda 400ex quad and start it for the first time. #Honda, #Turbocharged, #Turbo,
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The following video features activities performed in controlled environments by knowledgeable persons. DO NOT attempt to duplicate, re-create, or perform the same or similar activities at home, as personal injury or property damage may result. 2vintage( Joe Weber, the persons shown in this video and ANY CONTRIBUTOR, ARE NOT LIABLE FOR ANY such injury or damage. ALL 2vintage( Joe Weber) CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.
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[@J_Whitley987]

You need to clock the center of the turbo so that the oil drain is straight down. The way it is currently, oil is sitting inside the turbo and passing through intake and exhaust seals. Hence the amount of smoke. Adjust the wastegate so that it’s always open until you get it running right with the way the piping is setup. Then slowly adjust the wastegate 1lb at a time until you reach the desired psi. I’d hate for it to happen but a bent rod is in the very near future otherwise. Looking forward to future videos.

[@jessemurray1757]

and it will because I'm fairly certain he won't heed your warning.

[@petemartus8876]

Àq2

[@bradwilliams5242]

Oil turns to foam and doesn’t drain to good

[@robland6118]

Also this may help or may not as far as gaskets. Kinda surprised you didn't already know this. It's fairly easy to make a gasket. My uncle showed me many years ago before he passed away how to make them. I didn't have a gasket and couldn't get one at the local auto parts store. He grabbed an old 12 pack Mt Dew box and grabbed my thermostat housing and a ball peen hammer. He put the housing in a vice placed the box over the housing unit the way he wanted and started tapping on the box laid over the housing. He tapped and tapped all the way around it on the edges until the edges of the housing had completely cut a gasket out perfectly. Didn't have to do any trimming or anything, it worked perfectly.

[@lbdrummer3]

That's the way my dad showed me how to do it too but with actual gasket material. They don't make gaskets for 1928 Buicks anymore lol...

[@chopfather2730]

They sell gasket material at auto parts stores.ask for it its behind the counter.all different thicness.

[@murrayminimotors1674]

Also used cardboard back in the day for gaskets worked in the 90s!!

[@jonnyonwheels]

@@murrayminimotors1674 yessir, always kept a couple pieces of cereal box around for that very reason!

[@jimmyjomney4877]

Make a video on this and tag me in it

[@motoshack1031]

One thing I’ve not seen people mention is you really need a fuel pressure regulator that runs at default around 3psi and goes up in pressure at a 1:1 ratio so for example for every 1psi of boost pressure you’re getting 1psi extra fuel pressure, not to mention you need a good flowing electric fuel pump that makes at minimum more pressure than the turbo ever could, your fuel pump could make up to 80psi for example but the fuel pressure reg would limit the pressure to boost pressure +3psi so let’s say you get on boost and you make 14psi of boost the fuel pressure reg would have you running about 17psi of fuel pressure to the float bowl and as you come off boost it would drop back down to 3psi, I hope this helps! 🙌

[@Dm-cr5lk]

Think the fuel boost regulator only works on fuel injected systems with a return style system. That’s how it is on my mustang supercharged. It cuts off the return and spikes the pressure to add fuel instead of bigger injectors.. don’t think work on carb

[@KrustyQuad]

This is exactly what he needs and the only way to do it ( that I know of at least).. with the fpr setup there is also a return line so fuel is constantly flowing in a loop... this is also why he won't need to increase the jet size by much if any at all, makes tuning and dialing in the setup much easier

[@motoshack1031]

@@Dm-cr5lk Yeah it works the exact same way as fuel injected just at lower pressures and yeah it needs to be a return style system as well!

[@motoshack1031]

@@KrustyQuad Yeah the only reason I know this is as a child when living back home we had a Renault 5 GT Turbo which used a carb and had the same return style system as does my current side by side project, it’s uses the stock setup from the donor bike which was a Yamaha XJ650 Seca turbo which again uses that same style system, if the manufacturer’s are using it then it has to be the best way! 👍

[@owenspeulstra2741]

I hope he sees this and tries it

[@alexsharp2314]

I love that your giving it a go but there are a few things to change. The oil lines need to be as short as you can get them. If the drain goes up you need a scavenger pump to send it back to the tank. The turbo needs to be clocked to in at the top and out at the bottom. You need a flair on the boost pipes otherwise under full boost they will keep popping off. I hope this helps you and I can’t wait to see it running properly 👍

[@wheelhousegarage2940]

Gotta clock the drain of the turbo down that’s why the oil is pushing back into the turbo

[@jimnorcross2515]

I agree

[@wheelhousegarage2940]

Might also need a small scavenge pump for the return if the turbo is the same level with the tank it will back feed to the turbo can’t tell by the video of the heights if anything just run a can underneath the quad to test if the drain is the problem with it smoking as well as the feed position

[@mattoaida]

True, but I think for this application it's fine. This boost system is Jerry rigged

[@Abyss955]

He should probably get a fuel injection system

[@jbj198840]

Part 3 coming “Uh oh scattered the turbo 400ex guts” 😂

[@WOTSmallengines]

Yup.. that poor motor.

[@bradleyflood5437]

You should definitely consider pulling top end a set you ring gap for boost to avoid breaking rings and destroying your top end

[@KrustyQuad]

That's the least of his concern here. He needs to get boost first and is missing some key things

[@acamp5468]

I think he needs to consider valve float I bet that’s a stock cam on the high rpm’s also a large fan for the oil cooler it’s going to run hot lol . Kudos for his project it’s crazy lol

[@njmxjunkie3128]

I agree fully with that. He needs to open that ring gap a little bit, however if the engines plenty worn in it might be fine. Those rings get thinner and the gap larger over time

[@AN4MER]

i first play the video like ‘yeah its a long one’ and i love this project then the next thing you no its finished because you enjoy it that much.. you actually are a clever chap with this stuff 👏🏼

[@Nogaroblueb5]

You might need a restriction in the oil inlet of the the turbo because you have too high pressure causing the oil to leak out from the turbos seals. You should also clock the core of the turbo so that the oil in is up and out down

[@njmxjunkie3128]

The oil pump for the 400ex pushed very little oil at a fairly low pressure, I highly doubt it’s possible to have more pressure than that automotive turbo can handle

[@jacoberbe2351]

Close the gap on the spark plug. Once it's building boost it might be blowing the flame out

[@patricspointofview7188]

Just a guess, but it almost seems like it could use even more fuel pressure. Sounded a bit like it would run out of fuel and then catch up when you let off the throttle.

[@bigtony8978]

This is really cool man love the home engineering and learning as you go. There’s definitely some good advice in the comments here as well as a lot of self proclaimed experts. You’ll figure it out keep going!

[@BraapBoyz]

I don’t know if you noticed or not but the turbo is leaking oil out the exhaust port towards the end of the video. May be from the turbo not being clocked right but usually when they leak like that the turbo seals are bad. Just something you may wanna look at

[@chrisatc627]

Tip with the grinder, flip it over so the cutting wheel is on the right side, when it catches it won’t come back towards you it pulls away 👍

[@jedidaddy76]

Tip don’t put thread tape on in opposite direction of your threads always go in the same direction so it helps keep it on the threads as you tighten it

[@bradensmith888]

And use yellow thread tape for oil/gas

[@MM_in_Havasu]

Clock the center of the turbo so oil feeds straight down and drain is on the bottom. It is over-oiling the turbo because it is being forced out through the shaft seal.

[@reitzy69]

2 important things....major one is a fire extinguisher...bc ya just never know lol and 2 that thing is air cooled...put a box fan or some kind of fan in front of the engine...before next episode is rebuilding another 400ex lol

[@alexkichigin]

1. clock the turbo so it drains straight down (smoke is from oil sitting in te turbo and not flowing out enough) 2. I would most likely recommend an oil pump or relocating the oil tank

[@gregl755]

Hey Mate, I saw between 29:10 and 29:55 everytime the bike stalls out you can see spark arcing below where the intake pipe meets the carb. I dont know if thats helpful at all haha, just noticed it. Great video as always man!

[@corbingray9330]

I'd definitely up both jets, always better to have more fuel then not enough. Also the turbo oil outlet should be on the bottom, that will keep it from going into the impeller and smoking like it was. Definitely was better after the fuel pump but I'd still say it needs bigger jets, but I'm not an expert lol. Love the channel and the build, keep up the great work man! Cant wait to see this thing in action!

[@dbchevy]

Still needs more fuel brotha, when it was backfiring like that those are what we call lean pops. Excited to see the next video though man keep up the good work and props for sticking with it and not giving up!

[@jeffplaysystems753]

When making a custom fitting next time use black pipe instead of galvanized galvanized is much harder to weld than the black pipe that’s why you were struggling welding it

[@ryangamble3351]

Should not even be welding galvanized....it's poisonous!

[@txsam2802]

I can’t stand galvanized metal, learning to weld on it sucked but was required for the class

[@jozsef6453]

Now lets hope the engine doesnt get a rod shortening upgrade by that boost :D

[@itslegit7362]

Head gasket will be first in line.

[@dayzplayer8539]

Or drop a valve

[@dayzplayer8539]

I guess we will find out tho lol ive always wanted to do this but with a gokart

[@jessemurray1757]

props for giving it the college try but you should do some reading (including the comments here). I'm fairly certain you're going to blow it up, but I'm just not sure if it's going to be a hole in the piston or bent rod.

[@shadowsfad3d]

Piece of advice joe, when using a grinder try to make ur cuts with the blade spinning away frm you..not towards you. Awesome vid!!

[@burtlandcastor8359]

Since I've seen it run I can tell it's def pushing oil past the turbine. You NEED to clock the center vertical, it is currently horizontal.

[@alexmarti9011]

Also adding onto the fuel pressure regulator u want to use the vent on the carb for a boost reference port, run a line closer to the turbo so the carb is at the same pressure as the boost. Make shure all other possible boost leaks are plugged off so the carb does leak

[@polishoskar2039]

Your consistent revs of that broke my earphones 😂 I had the video quite loud and after 2 mins of you reving that blow my left earphone

[@Grags-hd1sj]

Great work Joe, your getting there.

[@elijahbaker8248]

Hay man, the oil drain needs to be pointed down so gravity can pull it out of the turbo. That's probably why it's smoking so bad, and the return line to the oil tank needs to be going down hill as much as possible to help it flow back into the tank. If the oil drain isn't pointed down it might destroy the seals inside the turbo.

[@elijahbaker8248]

I hope this helps with the build, I know you'll figure it out.

[@bubster1981]

put the drain up , down, sideways dont matter

[@BlastWorrior]

hey @2vintage, small tip tho, if you using the blow through system you need a pressure regulator for your gas pressure and the gas pressure needs to be .3 to .4 bars higher than the boost, if not then your boost is pressing your fuel back and thats whats happening to your engine right now. you can try to make a box where the carb sits in but it needs to be absolutly sealed to the outside otherwise it will not work. some old v8 classic cars use that system since the mid 80s and a lot of old men tuners know a lot of this, so maybe if you cant get it to work ask one in a forum or something. oh and another thing tho, as someone mentioned before me, your turbo needs to be turned around so your oil drain is pointing DOWN otherwise your engine oil will be pressed into the intake and a bent conrod will happen in the near future. greetings from germany keep the content coming bro :)

[@440commando]

Might need a high psi oil pump? Definitely need to add at least .5 more qts of oil every oil change now because it has another oil component now

[@jimmystuck8969]

For the gasket paper. Try folding it in half to cut the holes out. Kind of like making a paper snowflake.

[@James-sir]

Congratulations on getting her running a lot better

[@jaredmcquiniff5362]

Awesome job dude! Looks like you’re on the right track

[@williamkinnane1606]

Your knowledge of ice engines is impressive!

[@wellcrc-6703]

Single cylinder engines have to have a chamber for it to actually make boost. Needs to be 3-4x the cc of the engine. Ie 1200-1600cc chamber. It gives the turbo a chance to spool and then gives you a larger volume of air.

[@PongbyAtari]

Here she blows I mean goes! Mr Wizard + Mechanic =? Next vid will be interesting for sure good stuff! 👍

[@RCgarageTexas]

running lean out of the gate changed exhaust system needs rejet for that to start should do stand alone oil system as well glad to see you fixed the carb

[@samuelgagnon6474]

Its funny that you use plumber fitting on a turbo 400ex, impressive joe

[@2vintage]

All I could find to make it work lol

[@samuelgagnon6474]

@@2vintage yea i love that idea thats genius👍

[@Official_957Racing]

This is incredible Joe. Also I got a question? When is the quadzilla banshee top speed test coming out I've been waiting for that

[@joeeasterling5652]

You need to find a way to advance the timing for the extra fuel air mixture. I may be wrong but I think that will help....

[@KentRoads]

That dense cold air and running a turbo is probably quite lean :)

[@taefully]

Been waiting on this build keep going 2v your a beast

[@dannytyson3278]

Man I hope it works good, very eager to see what happens with it!

[@shawnmoore5621]

The T fitting in the oil line needs to be rotated once to the right that way its in line with the oil line and the center of the T goes back to the turbo.

[@ericmenasian6]

Or better yet, get rid of the T and run out to the turbo from the pressure side of the cut line and return to the other side adding the turbo into the existing loop instead of creating a second loop with very little pressure.

[@owenschneider6205]

I can’t wait to see the first ride bud can’t wait hopefully you will have it tonight

[@lazarusbambakidis6820]

Your oil lines don't need a tee, it just needs the output going to the turbski and a return line feeding back into the line

[@justinhaley2317]

If the carb doesn't work try an efi kit

[@cliff1551]

Oil pressure aswell ,run 2 lines from oil pump casing above and below the partition inside the casing ,

[@lateatnight8323]

I’m happy I didn’t click off right as I found a better video shot went boom

[@bradensmith888]

I know someone else mentioned this, but for making your own gaskets, use a ball-peen hammer, lay the gasket over the flange, and tap the flange with the ball-peen hammer to cut the features you need. I know your setup is temporary, but I'm concerned about the rubber boots on your exhaust melting off. I'd definitely looking into bigger gapped rings, heavier valve springs, thicker head gasket, and activating the wastegate at a low pressure so it doesn't over-boost. Also, I've heard the compressed air chamber needs to be 4.4X the engine displacement located between the turbo and throttle plate to see any benefit on single cylinder engines. Good luck, hope you figure it out!

[@jonnyonwheels]

It’s definitely making boost, just watch the intake(charge pipe) boots flex/swell when you rev it up!

[@vintagekuz7567]

I think those charge pipes are going to blow apart at the rubber fittings when under boost. I think that’s a weak point as well, needs to weld a bead around the metal pipe to give a lip for the clamp to grab.

[@mikeleach70]

Rub a tad of oil onto the flange. Press it down onto the gasket and you have a perfect transfer.

[@thatonecarguy5999]

You need a oil restrictor going into the turbo. And also make sure that you don’t have the oil sitting in the oil drain leaking oil passed the seals of the turbskie. I like how you are referencing boost for the carb. Never thought of that. Really hope that work somehow

[@AniassyII]

Very interesting Höllenmaschine 🤣🤣

[@boltgun]

I was waiting on the bang.. 400ex is tough👊💥

[@stevetaylor9482]

Yes if you are "blowing through" the carb, the fuel pressure will need to be increased by the amount of boost you are using and the whole carb needs to be operating at boost pressure. For your next turbo project, you may prefer to start with a fuel-injected engine :)

[@BlastWorrior]

but with fuel injection it can be done from anyone no matter if he knows what hes doing, but with a carb there are not many ppl who can make it work he just needs a little bit more mods to get it to work properly. also a lot of the old us car tuners use this method since the mid 80s for old v8 classic cars and it works fine you just need to know what youre doing thats all, i think if he figures that out he will get it to work tho :)

[@tanmansbikebuilds931]

So deadly man, I can’t wait to see the first ride!!

[@sukey62]

Also, a few different sizes old brass pistol cartridge hit with hammer cut perfect bolt holes in gasket material

[@dennisbrooks186]

I'd rig up some kind of mount for the turbo. Right now everything is flexing and twisting. Could be creating leaks when it does that. Then fine tune after that

[@onestackmack1]

Great video can’t wait to see the first ride and see what kind of boost it’s making

[@jjp1117]

Love the channel watched all your vids a few times but please listen to everyone and click the turbo so the drain is facing down it will help drastically

[@tylerlaughter9644]

Hey bro i love seeing this stuff! But i have a suggestion for you. You need to clock the center cartridge of the turbo to where the oil drain is down. And make sure the return line always goes down at a slope. Just like plumbing. I ran into this same problem years ago building my first turb car. What happens is that oil wont drain out it will just pull up inside the cartridge and wash out the seals almost like washing out piston rings with to much fuel. I hope you read this in time lol. Keep pumping out the awsome content!!!

[@randypullman1155]

I like the clear oil lines. I'm also am curious about a turbo scavenger pumps impact on the smoke. Nice build man. Gold guy would be jealous.

[@johna6968]

I was expecting a final bang and then total silence to be honest.

[@bananabrooks3836]

Buy a vice for the bench, those clamps are Heath Robinson.

[@porangiadventures]

@33.20 popin flames!!! wicked

[@Anythingfishing-o8k]

if you ever have problems with gravity feed, try a fuel pump!

[@2vintage]

Yep I added a fuel pump at the end of the video

[@Anythingfishing-o8k]

@@2vintage nice. i didn't have time to finish it but i will. i will tell everyone i know to subscribe!

[@TC_AZ]

I'd try getting rid of the small fuel pump and hooking a boost ref line to the fuel tank see how it likes it

[@garymisunderstandstheinter6648]

Dude this is sick! Never skipped a second of the video!

[@johnnymacbaker6408]

On 400s I've built I would run a 185 to 195 main jet so in theory you should be over a 200 main if you are going to gain any more horse power

[@benschlack5814]

Maybe change the name of the video to how to blow up a perfectly good 400ex

[@rick_bikelife_]

Oil is choosing the eazy way so its probably going more to one side of your t-split for the oil line and not through the turbo on low rpms

[@Codyjames83]

Try taking that gas tip off your flux core welder should make it a little easier from what I've heard and seen

[@countryboyvlogs776]

Great video can’t wait to see that thing race quadzilla

[@floridatrailrider305]

Can’t wait to see the next video, really interesting!

[@marcofrasso3212]

When will the next video be ? I wanna see this beast

[@jedidaddy76]

If you put your tube in a vice upside down then lay gasket material over it and use ball peen hammer to tap the edges you’ll make a perfect gasket

[@adiel_01z]

Omg I’m laughing when u got scared cuz the shooting flames 😂😂

[@burtlandcastor8359]

You've got to clock the center section of the turbo so the oil return is pointed straight down. IE - you have to turn the turbo's center 90deg and reclock the intake and exhaust housings. You will have major oil leakage out of the turbo unless you do. 20deg from vertical is the most you can go to avoid oil going out the exhaust housing. Again, you can message me for help with this.

[@hvalour1]

that turbo ain't spinning fast enough to blow up a french safe, and those oil lines are dodgey to say the least, and that fuel pump set up? i will be very surprised if this bike is faster than it was before the mod, even if it reaches and maintains a point where it may be deemed to be functioning.

[@ricardoguerra9411]

I liked the way you sort of jumped back when it backfired real loud, HeHe ! My skeleton would of probably jumped out of my skin if I was there ! I hope this project turns out successful , if it can beat a TRX 250R you will be on to something... it is a MONSTER for sure.

[@MaNNeRz91]

You can never have too much oil to the turbo 👌😁😁

[@brentmacgregor8485]

Best KZbinr ever

[@lbdrummer3]

Love this build, know very little about turbos but watching this and reading all of the comments is great. This thing is going fly.

[@Goest420]

try it still with the carb still being boost referenced but just with out the fuel pump see how that works it should hopefully be better

[@jeromeedwards6428]

I would put the carb on the intake of the turbo, so the carb doesn't have to be pressurized or sealed.Think it's called a draw though turbo setup, that way gas can be metred by how much air is being drawn though and not blown though. Seen them done this way on alot of other bikes

[@dougking7592]

Put a fuel return back to tank or fuel bypass

[@louisjohnsonjr.4934]

May also have to add an electric oil pump to help with the oil flow

[@frostbitevinnie]

Nice work but be careful welding galvanized! My understanding one minute of welding galvanized is equivalent to 10 years of smoking damage to your lungs! I'm enjoying watching! Learning a lot!

[@Rickdoinglife]

You are most likely needing a different carb- on cars, you have to have the carb changed to a blow through type- pressure is introduced into the venturi and float bowl. Another thing too- you may need a fuel pump or pulse pump to help with fuel delivery anything over 4 psi fuel pressure will flood pass the needle. I did not read all the other comments but awesome on the creativity! You can use a cereal box or head to auto parts and buy a role of gasket paper. NICE BUILD THOUGH!

[@KrustyQuad]

Carb is fine... Need 1:1 fpr

[@slowguy66]

You want your fuel pressure about 3 times higher than your maximum fuel pressure. A 5 to 10 psi fuel pump and a boost referenceing fuel pressure regulator is what is normally used.

[@bigcaputo09]

I think usually the turbo oil drain uses gravity on the outlet side but you have it going sideways. I think of you start getting oil in the exhaust it might need pump to suck the oil back to the tank. I hope it works for you. Keep searching I'll bet a bunch of people was successful. They do it on street bikes

[@evanwike1390]

Great vid man🤟

[@Johnbruzzi4234]

If we had a moron gauge, it would be at red line, bouncing of the rev limiter,lol

[@thamenace9985]

😂

[@gtisid]

not that i doubt you joe but im,pretty sure this is going bang, dont you need cold air? the reminds me of a whiley coyote cartoon trying to catch the roadrunner with a box of ACME parts

[@KentRoads]

16:38 He said 'heeheehee' as he sensed raw power

[@ericlessard5021]

Pressurise your fuel tank with the vent on the fuel cap

[@kevinhumphrey932]

The turbo drain port need to be on the bottom of the turbo I believe that will help with the smoking issues the oil pump can't push the oil up hill so I believe its pushing oil past the seals