Thread: 3.2 Ss
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Carrera3.5L Carrera3.5L is offline
Doesn't want/need a 3.6L
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Join Date: May 2004
Posts: 1,635
Originally posted by Michel J
Ralph or anyone else,

I am hoping you can explain this chamfer in a little more detail and why it is necessary.

What happens if this chamfer is not machined at the head?



The chamfer is done on the head to eliminate any potential flat spots where the now oversized cylinder meets the head. With the cylinder on the head, you can scribe a circle around it and look and see where the chamfer needs to be.

To be honest, I really don't know what the effects (if any) would be if this step is missed/ignored, other than potentially creating a hot spot.

1988 Carrera w/ 3.5L Twin-Plug

2008 Cayman S (coming soon)
Old 12-16-2005, 09:48 AM
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