Auto-craft valve train....what would you do?

[norris]

[norris]

[jpaull]

I would be tempted to get the 1:3 CB rockers. You would gain about .020 of lift at the valve. I wouldn't touch that cam if your able to run 14.3's in the quarter, that's movin! There might be more to that cam combo then we know. Those look like some heavy valve springs, are they duals?

http://vwparts.aircooled.net/CB-Performance-1-3-1-Ratio-Forged-Rocker-Arm-Set-p/cb1575.htm
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.

[norris]

[jpaull]

I would check coil bind next.

On the other side that still has the rockers on, jack up that side only (leaving other other sides wheel on the ground), pull valve cover, put car in 4th gear, and you can turn the wheel and watch the valves open and close. stop at a point where one of the valve springs is fully compressed, and use a feeler gauge to check the gap between coils.

If you don't have much room left, before coil bind, then adding another .020 of lift with the 1:3's might not be a good idea
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.

[norris]

With a valve fully open, I have at least 1/8" between the coils.
Here are pics of the pushrods....they are exactly 10.50" long.

[jpaull]

I would leave those pushrods in there. Since we dont know the spring pressure and cam specs for sure yet.

As safety procaution with that .020 extra lift of the 1.3's, I woud check piston to valve clearance. Adjust your intake valve .025 PAST zero and ever so slightly turn the engine to make sure you dont have a valve hit the piston. I would use a big wrench on the crank pully bolt so you can feel whats going on best.
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.

[norris]

I still don't know the cam specs. I've literally check with every grinder it could be and know one has ever heard of a W3700 marking. Probably a custom grind by someone back in the day. This engine is truly "old school". While all quality parts, most of the internals and case are no longer built. I do know the crank is an Okrasa 82(in sellers description 10 years ago) and the case is ARPM and the valve train is Autocraft, I'll have to open it up to figure out the rest.

I'll follow your suggestion this evening.

Thanks Jeff

[MConstable]

[pondervwmike]

I was wondering this as well. With a .519 lift at the valve it doesn't sound mild to me. Thats .415 at the cam.
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1967 Cal Look Beetle Street Car in re-restoration,customization. Mom and Dad bought it in 1983 when I was 4.
2010 VW Tiguan
2000 BMW 528i
1997 Jeep Cherokee
2127cc build thread https://www.thesamba.com/vw/forum/viewtopic.php?t=681556&highlight=

[earthquake]

I pressed the needle bearings out and put Oilite bronze bushings in the set I have, that's what was recommended to me awhile back.

Casey
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74 CLASS 11 LOOK-A-LIKE
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
95 Chevy C3500 dually
98 Ford E150
Link to Kelly J. Nolte 3/20/53 - 11/6/08
https://time-zonelabs.blogspot.com/p/about-kelly.html
DEATH TO CHINGERS!
[From a military recruitment poster in the novel "The Stainless Steel Rat" By Harry Harrison]

[sled]

[risk]

[norris]

[oldschool5er]

Nobody building using the components you stated were going to build a mild motor. When we used Okrasa or ARPM cases they were fully built to not use a mild cam. We all used Autocraft back then and Okrasa. We could get high quality easily. The one piece ARPM case I could purchase all the way up into the 90's. The serial stamp is on the bottom above your sump. If you ever get it torn down if it is in the 240-270 range it is one of the best years in my opinion, just not a dropped cam in it. I think the engine should be torn down and gone through, just having the OKRASA in it makes it deserve that and I would not be surprised if there is a set of Carrillos in it. Time to preserve this by Knowing what it is. To much valuable stuff I can already see. These engines were not set up to run 50k, tapered Autocraft pushrods in it alone tell you it wasn't meant to stay below 6k rpm. I would not be running this down the strip until you see the condition inside. You loose a rod through that case and you just lost a non replaceable expensive case with only a TF1 capable of replacing it. Better to see the condition after all the years it's been. I'm thinking Lyle Cherry built if it came from Tx.
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HRE in Westerville,Ohio

Full machine shop with all types of CNC. Rapid prototyping available, CNC Plasma cutting, 3D printing and Laser engraving.

[norris]

The car came from the Sacramento Ca area. It was commissioned by a collector and I was told it won the "best engineered" car at the '05 or '06 Bugarama. It's a "Cal look" car with the best of everything.....yes I'm bragging a bit. I've owned the car 10 years but have not had a chance to mess with it until about a year ago. The car has not even been wet to date. I do drive it every day that the weather is nice and have for the last year.

I was told that the car was built "old school" to the max.

I wil not be taking the engine apart just to see what's inside because I love driving it. As problems have arisen I've repaired them myself as I'd never allow anyone else to touch it......that's where you guys have been such a huge help...and it's appreciated!

Now, if I can get this valve train problem fixed, I'll be back on the road!

[jpaull]

You have the right idea, get it back running again. Its easy to fall into the neverending "I might as well do this" and replace that.
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[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.

[norris]

[norris]

Can you tell I'm proud of my 54 Oval. This is a pic of when I bought it. It now has polished Vintage 190s instead of the Mangels.

[sled]

I really like this wheel combo!

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drive your split.