Prototype full flow hydraulic lifter motors from VW

[rbm2]

Trying to find documentation or any information on motors like this one. I have had this motor since 1999 and have been told that a few of these motors were sent to dealerships. I have never seen another one. Closest thing I have seen is the CT and CZ cases in 72 and up 1600 kombis. Information came second hand from traveling VWofA mechanic. The case is full flowed similar to a type 4 case. Any information would be greatly appreciated.
Thanks

[Max Welton]

That is right nifty!

Max
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[busdaddy]

Hmmmm....., I've got an AE in my bus but it doesn't have that, want to trade?
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[Rome]

rbm2, I can add some evidence, though I never saw an actual engine. About 20 yrs ago an older German VW friend who retired from VWoA's HQ in Englewood Cliffs NJ gave me a set of such hydraulic lifters. He told me that VWoA had experimented with them for the Type 1 engine but the tests never went to production. Unfortunately I don't remember the reason for stopping the test, though I do remember he told me the lifters worked well. Possibly difficult to justify the additional cost of the lifters (and the full-flow system) on an engine which was supposed to stay inexpensive. The lifter set was made by the German Febi/Bilstein company.

My friend was in the Service/Equipment Test department for at least 15 years. When VWoA relocated to Troy MI around 1983 he left and found employment with another German auto manufacturer in northern NJ. He is actually depicted in the blue Bentley manual a few times, in the Brakes section, changing a tire on a manual machine. Black hair and overcoat.

He also told me about the time in the early '70's when VWoA ordered a full set of hi-perf parts from EMPI, and he built up a type 1 engine with the parts! After the test/evaluation, he was told to tear down the engine, and sold the parts. Unfortunately he passed a few years ago.

[rbm2]

Rome,
Thank you for sharing the information from your friend. Hopefully there is more out there.

[bugguy1967]

I used to have a dealer drawing saved somewhere. Can't find it. I stumbled across a post here about this same engine. Yeah, it's a Brazilian Bus engine. The engine compartment looked like a late Bus, and the engine tins were made differently to cover up that big opening.

[sgmalt46]

i thought it might be a 93 and newer mexican motor. they came with hydros and a spin on filter. i think they used type 4 lifters. and fuel injection. but seems to be a 72 motor? brazilian like the other guy said.?
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[mark tucker]

Ive seen them in aircraft usage.I wondered if they were made for that.but the briazilla bus soulds like possiably a good place to start. wonder why it never made it to all engines & world. kinda a no brainer...... like me

[rbm2]

Thank you bugguy1967 I appreciate the information but i believe the AE's were only made in Germany for the US Market. At one time I though that maybe someone used half of a case from a Mexican motor and half of another but both case pieces match. I have never seen a Brazilian case in person with full flow but have seen a Mexican one that was full flow. That particular motor had push rod tubes similar to a type 4 and could be changed without taking off the head but my motor has tubes like a standard type 1 motor.

[timvw7476]

[ps2375]

The only problem will be getting anything other than a stock cam for it.

[Max Welton]

Why? There are performance cams made for hydraulic lifters.

Max
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[Boolean]

And there are performance cams not made for hydrauilc lifters that work beautifully with them anyway.
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[ps2375]

[mark tucker]

cb&mofoco have them as does some others.I wouldent hesitate using just about any grind I wanted to use
that pic also shows a oil pressure adjuster in the relief plug.I wonder if it's oe or not and if it's a single relief case or duel? it would be real nice if the autolina guys would see this and....add a few ounces to the new cases&3 more maching ops..... although it might be in the way of somethen or just plane look weird so better not do it.I would hate to see a bunch of weird looking bubble top aluminum stroker cases with 1/2" thicker lifter bosses on clearance for $132.53, they wood never sell

[SBD]

[Max Welton]

[ps2375]

[Max Welton]

Max
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1967 Type-3 Fastback
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Home Stretch https://www.thesamba.com/vw/forum/viewtopic.php?t=767836