Mystery Aircooled Volkswagen Engine Tear Down and Inspection. Can It Be Saved?

This engine came in a sandrail that a friend bought.
It was missing a carb, oil had water in it but it had a set of Superflow heads on the engine. We figure it's worth a tear down and inspection to see if the engine can be saved.
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[@MAGAisacult]

"Parsley, sage, some sealant and time" My gosh I think you just wrote a Simon & Garfunkel song!

[@VWJawbreaker]

Haha, I love that!!

[@cjjones1556]

Yea! Can't wait to see the Jawbreaker back in action. Poor little guy sitting all lonely under a cover in the side yard😢

[@VWJawbreaker]

May not happen as fast as I thought, life is throwing some massive curve balls. Trust me it hurts seeing him all covered up.

[@cjjones1556]

@VWJawbreaker I hear ya brother. My little guy has been under a tarp for 3 months while I am building the engine. Got the short block together last weekend, so making progress. Just swing and keep on keeping on.

[@dillyd3488]

Yes!!! Looking forward to all the engine build content 😁

[@mikebriere7531]

OH boy - I love engine builds !!

[@VWJawbreaker]

Me too, eventually it’ll go back together.

[@stephenc6955]

Hooray for VW engine content

[@VWJawbreaker]

I know right? 😂

[@AshleyAcademy]

Thanks for doing this one. Even though you've been through this hundreds of times, you still took the time to go over everything you were checking and why.

[@VWJawbreaker]

Thank you for being here. Every situation and engine is different, it’s good to check things on every build to see what you have. Sometimes you can find stuff inside that will tell a story on how it was treated.

[@raymondwilkerson5069]

YAY Jawbreaker will live again! It was great seeing you at the Lakeland Classic. Ciao for now.

[@VWJawbreaker]

Always great seeing you!

[@redshirt-scotty]

rods upside down AND alternator stand baffle plate. that little item sort of just jumped out at me at :45 or so. sort of surprised to see helical cam gear set. no groove in the lifter is good.

[@VWJawbreaker]

Yes sir, lots of little things for sure. And to think they still run like that 😂 The lifter groove being there or not is controversial, I don’t bother making the mod on a small cam.

[@muzzcovw7674]

Why surprised to see a helical cam gear? It's the best thing to run unless you're running a super large cam. They eliminate harmonics in the valve train that can cause wear

[@redshirt-scotty]

@@muzzcovw7674 heads and carburation

[@ChipsAndSparksGarage]

Not too bad in there, compared to the crusty exterior. Glad to hear that Jawbreaker will be back on the road soon!👍

[@VWJawbreaker]

Yes sir, definitely some good parts in there. Well, soon is relative…. Things aren’t happening like I hoped for.

[@culturedredneckgarage3784]

I just did this myself. Found a great low mileage Scat C25 cam/lifters, a good sump, a decent CW 69mm crank (although boogered-up dowels sorta disqualifies it), and lastly a pretty decent engine case. Just got me a 74mm crank to use in it for a 1904 build! Great video!

[@VWJawbreaker]

You’ll be happy with that 1904 and a c25, nice combo with a good set of heads.

[@TheEZGZ]

Love a mystery engine..... Superflow heads with a stock stroke???? Good old Empi attempt to make awesome power but they never worked that well. The valve cover gaskets for superflow valve covers are getting $$$$. Have great day and hope the weather works for you.

[@VWJawbreaker]

I don’t have any experience with those heads and he ended up selling them to someone as he didn’t care to run them for whatever reason. Hope you’re still crack a lackin on that rail over there.

[@douglasbarnhart3324]

Thanks for the video Gary!!! Awesome news about JawBreaker.

[@VWJawbreaker]

Thank you sir and keep your fingers crossed, he might not be making a comeback as fast as I thought.

[@STREETSTANG07]

Great video! I really like the measuring tools. Definetly would save time. Thanks again.

[@VWJawbreaker]

Thanks man! They are good but you still need to measure things out.

[@nlnl4523]

I just did a engine build last summer with a 69 mm dpr crankshaft and I'm finishing a build right now with a dpr crankshaft

[@VWJawbreaker]

Nice!!

[@lawrenwimberly7311]

looks like a solid base

[@VWJawbreaker]

Absolutely!

[@muzzcovw7674]

I was just thinking about that, is it? That number two bearing saddle looked really loose! Better try a silverline there... they all seem to come too large on the O.D. now

[@VWJawbreaker]

@@muzzcovw7674 the bearing wasn’t fully seated, the crank slightly lifted when splitting the case. I double checked it off camera.

[@muzzcovw7674]

@@VWJawbreaker Well THAT would explain it LOL! I was thinking I've never seen such a nice case with that one gone first

[@vintage76vipergreenBeetle]

Those CSP tools, are great to have at the swap meets. I even have the ones for the type 4 cases.

[@VWJawbreaker]

They are great for checking quick but do not take the place of actual measurements.

[@vintage76vipergreenBeetle]

@@VWJawbreaker Agree. Next time you go to vw show with a swap meet take the CSP tools with you. Brent might need to borrow them.

[@charlesloar3210]

Very good, informative video. Will be doing this soon to the Veep motor. been over 40 years since I have done this.

[@VWJawbreaker]

Glad you enjoyed it. Reach out with any questions 🤙

[@Thomas-fo9zu]

Such a pleasure to watch you work on these engines. BTW, when you were doing the channels with your friends on the sickxty, you mentioned that Duckman welded a whole car with fluxcore. I mentioned it to him and I see you guys talk. I hope it's a good thing since you guys aren't that far apart from each other and you both love VW's. Nothing but respect Gary, keep up the great vids.

[@VWJawbreaker]

Thank you sir, I appreciate that. Yes Glen and I talk and keep in contact. Unfortunately he’s about 8-9 hours from me so not really that close lol Florida is a decent size state.

[@uksniper1]

Fantastic video again as always Gary thank you mate 😉👍,, sure are learning loads about these fantastic cars, so glad I bought my 69baja now😎👍

[@VWJawbreaker]

Than you for being here and remember there’s lots of us out here helping one another out… just ask questions!

[@uksniper1]

@@VWJawbreaker cheers buddy 😉,I’m sure i will have a few lol😁

[@samatkinson1680]

Another enjoyable video. Thank you.

[@VWJawbreaker]

Glad you enjoyed it!

[@mileageunknown8910]

Gary's milkshake brings all the dubs 2 the yard! Lol 😂 definitely some chocolate milk goo at the start!

[@VWJawbreaker]

😂😂😂 Yep, she’s nasty!!

[@mileageunknown8910]

@@VWJawbreaker definitely looked a lot better once you got into it! We've got a couple random blocks I know have water idk if they're going 2 be worth saving....

[@V8N8T]

Looks like a great case and parts to build! I wouldn't be afraid to build that case up into a decent engine it still has a lot of life left in it especially with it being standard thrust. Word on the vz25 cam, my first hot rod motor was a 1641 with the vz25 cam, lightweight lifters, chromoly p/r's, bolt on rockers, compufire dis-ix ignition, and 40idfs with 32mm venturies. Light to light it was a beast, power would come on at about 3800 like a light switch and pull clear to 8k! Super fun in town motor. Downfall was driving it on the freeway, no bottom end torq. I'd have to drop it into 3rd and wind it out to 6-7k to pass, and that's what led me to building a stroker with a cam to pull in the low end. I still plan to use it on the supercharged engine someday:) thanks for another great vid I love my motor builds!

[@VWJawbreaker]

I think there’s some good parts there for sure. He’s thinking of making some changes, we’ll see what that means lol He has a bunch of parts in the garage. Interesting about the cam. From what I read it’s good from idle to like 4500 rpm…. Now I’m not sure what to do for his build.

[@V8N8T]

@VWJawbreaker another thing with the cam it has a very aggressive ramp, .470 valve lift with stock 1.1 rockers it tends to wear out the lifter bores faster compared to a higher lift cam designed for ratio rockers. It should be good from idle to 6000rpm and needs dual valve springs. It sure does come on hard!

[@VWJawbreaker]

@@V8N8T so it’ll be good for a Baja then.

[@V8N8T]

@VWJawbreaker I'm sure it would be ok but I'd find a low-end cam like the 86a personally they have plenty of low end. When I had the vz in my engine it was lower compression than the 8-8.5:1 cr that the cam calls for(like 7:1) and the bigger venturies in the 40 idfs probably wasn't the best combo for small displacement. I do remember with a pertronix in a 009 it would pull till 6500 but with the compufire it would sing to 8k. That ignition was wasted spark and it sure did make a difference on power

[@V8N8T]

@VWJawbreaker even the w100 cam I put in the 1600 I built for the dune buggy had an awesome torq curve and pushed my heavy bug with ease when I was breaking in the engine

[@thebinderbuilder]

Awe....Man...I was hoping for some hy-po-go-go! Well, I'm still holding out hope for the rebuild!

[@VWJawbreaker]

Rebuild is coming hopefully soon. Waiting on some parts to arrive.

[@hummv8]

Great video and info!

[@VWJawbreaker]

@@hummv8 glad you enjoyed it!

[@BrewDub73]

Cool engine build projects. Not too savvy on rebuilds myself. Hope to gain some knowledge from you. Excited to see the ‘73 back on the road!

[@VWJawbreaker]

Just ask questions and I can also point you to other good people’s videos that cover things I probably don’t.

[@vayabroder729]

Even the baffle plate under the alternator stand is installed wrong. You have some good parts there! Is that a Gene Berg sump?

[@VWJawbreaker]

Absolutely, lots of good pets to do whatever with. He’s thinking about making a small stroker out of this pile and what he has at home. The sump didn’t have any markings on it but it could be.

[@hummv8]

Great information. Love it!!

[@VWJawbreaker]

Glad you enjoyed it!

[@kevinhamling1963]

Hey Gary, Looks to be a good engine. Q. Have you got a link for the tools you used for checking the block. So thanks for sharing this video man. ✌️ Peace from Melbourne Australia.

[@VWJawbreaker]

I bought them from CIP1, CSP makes them.

[@troyhiett1885]

That looks like my dms crank.

[@VWJawbreaker]

Quite possible. I believe they usually mark their cranks and this one didn’t have any unusual markings.

[@vayabroder729]

Those are good.

[@troyhiett1885]

@@VWJawbreaker mine didnt either but an engine builder i know swore by it and he said he knows those guys.

[@dsshowerpan]

I have an old brass hammer if you need it.

[@VWJawbreaker]

I appreciate it, I ended up finally getting one.

[@TimsWorkshopTJY]

Love these tear down videos. I found that lifters for my old 1965 1200 40hp I picked up don't have crown tops but stock are flat. Must be the the newer engines with the curved tops?

[@VWJawbreaker]

Seems the aftermarket lifters have a slight crown to them.

[@TimsWorkshopTJY]

I guess not flat as I thought. need to check them with feeler gauges on the edges but will probably use the old ones anyway. budget build on an old 1200 40hp single relief not worried about it on this one. "Volkswagen (VW) lifters on older engines, often referred to as flat tappet lifters, have a slightly convex shape rather than being perfectly flat. These lifters are designed to turn and wear more evenly. While they may appear flat, the center of the lifter is typically about 0.001 to 0.002 inches higher than the edges"

[@VWJawbreaker]

@@TimsWorkshopTJY I didn’t want to give false information but from what I understood, they all needed the convex but I mostly deal with aftermarket ones. Thank you for the clarification 🤙

[@tunethetoy7225]

Hey Gary awesome video! How can I get a rebuild kit with the tools you used to disassemble and measure bearing bores? Is that something you might provide in the future?

[@VWJawbreaker]

The tools I used in this video to measure are from CSP and can be bought from CIP1. Other than that you need a good set of micrometers and even better yet a bore gauge to go along with that.

[@mattstick1man563]

Awesome video Gary !! So my question is this, with everything in relatively good shape could you put it all back together the way it is and finish the build and run it ?

[@VWJawbreaker]

Thanks man. In theory, yes. It would need a massive cleaning and such but yes you could in this situation.

[@mattstick1man563]

Thank you for the reply. I'm getting ready to pull my engine and do a top end, I'm hoping the bottom is good to go but if I decide to split the case at least I have some good videos to reference on what to check and how to put it back together 😉

[@muzzcovw7674]

Oooooo crusty, with schmoo! I had a core recently where two rods were oriented correct and two were upside down...😐

[@VWJawbreaker]

Lots of schmoo! 😂 Crazy how things are overlooked when others attempt things first themselves. I’m not all knowing but I do make sure my notes are within reach and I verify everything that I can.

[@nlnl4523]

Soo 2 line bores would be 67mm

[@jimmywilkinson9190]

Hey Gary ! new bearings and a good cleaning ? (flip the rods over )

[@VWJawbreaker]

Haha, pretty much! He’s only using some of this and that to have something built up 🤷‍♂️

[@69bajaoutdoors]

Noice!

[@VWJawbreaker]

Thanks man!

[@nlnl4523]

Isn't 65 mm diameter on the case standered

[@VWJawbreaker]

Not sure, don’t have the mm specs in front of me.

[@nlnl4523]

Is that a DPR cranshaft

[@VWJawbreaker]

Not sure, no unusual markings on it.

[@robgielarowski2168]

What is that tool you used on the crank and rod journal? I need to get one of those

[@VWJawbreaker]

It’ll give you quick idea if the case or Crank has been turned. Still no replacement for proper measuring tools.

[@robgielarowski2168]

@@VWJawbreaker oh 100%, still would love to get one

[@VWJawbreaker]

@@robgielarowski2168 these are the CSP brand, CIP1 and other places sell them.

[@Demopgarage]

Engine work with thongs love it :)

[@VWJawbreaker]

Haha, you know me!