[T3] Tight Engine

Jim Adney jadney at vwtype3.org
Fri Aug 3 06:27:55 PDT 2018


On 2 Aug 2018 at 21:28, Keith Park wrote:

> YES,	no problem when cold, spins fine, only
> when at temp.  Im strongly thinking end play.

Yes, end play is certainly a possibility. I hadn't thought of it before, but the 
crank is steel while the case and bearings are light metal which expand more 
with temp than steel. Are the Type 4 end play specs the same as ours? If the 
bearing is a bit wider, the spec might also be a bit larger.

And I'm wondering if the flywheel acts like a big heat sink, sucking heat out 
of that end of the crank, which would make the end play even more 
important.

Hmmm, stuff I never thought about before....

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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