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Re: [T3] Dying on downhills

On 2 Jan 2001, at 17:30, Keith Park wrote:

> OH OH OH!!!!
> You used those cheap Whitney cam followers!!!

This is close enough to count as a winner.

I didn't actually buy the lifters from JC, but I wouldn't be 
surprised if they sold the same parts. It was only after talking to 
Gene Berg that he explained over the phone that the plain brown 
wrapper lifters stamped "Made in W. Germany" were too soft and 
weren't compatable with our cams.  

Here's what I learned:  

There are only a few places in the world that make VW aircooled cams, 
and they ALL make them the same. (This may no longer be true, since 
this is old news and there is much less demand for these cams today.) 
According to the current Berg literature, they are having a hard time 
finding consistent quality. 

There are many places that make lifters for our engines, but the only 
ones that are the right hardness (Rockwell C 52-54, IIRC) are the 
ones supplied thru VW and the Brazilian 3-piece ones sold by TRW that 
come in the blue and white box.

I measured the hardness of those lifters after I removed them and 
found that Gene was correct. The cheapos were Rockwell C ~47 and my 
old VW ones were ~54. I had to tear the whole engine down to fit in a 
set of the TRWs, but that was a total cure. The cheapos had gone 
somewhat concave (they are supposed to be convex) in only 15k miles.  

Congratulations, Keith!

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

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