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Never mind.I checked. Stroke identical,Bore diff. (archive)
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Posted by worth a shot :) -JT///M3 on January 24, 2000 at 12:47:09:

In Reply to: Bore or stroke? I'm talking stroke. eom posted by JT///M3 on January 24, 2000 at 12:40:08:

: : : than stock. It was slight, I know but isn't it possible that the displacement of the PTG car could be a bit smaller than the production E46 M3. I know that F1 cars use a VERY short stroke in order to make HIGH rpms. Maybe this is the case with the PTG car.

: : Comarign the PTG site and bmw.com...bore on the PTG car is 86.35 vs 86.4 (probably bmw site rounded up).

: : Next guess?



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