|
Late to the party but I think 911chips.com has the chip tunning that should work ok (less timing and richer AFR I suspect).
Another way to lower "effective" compression is with cams and cam timing.
For example a stock Carrera cam has about 130 deg of compression stroke. A C2 cam has about 124 deg of compression stroke to TDC. You might even be able to advance the C2 cam a several deg's more to shorten the compression stroke further.
Net effect should be more power in the upper rpm's and up to about a .3 or more of a point lower effective compression ratio for a little more margin.
Not an expert so this is just a thought.
Last edited by 911st; 06-14-2010 at 01:03 PM..
|