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Registered
Join Date: Jan 2002
Location: VA
Posts: 3,573
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CIS Modifications
I am getting ready to buy a used 2.7. It checked out very well and I plan to run it while I attempt to rebuild my 2.2 E, with a lot of help from my friends!
I have been reseaching CIS motors and I know that one of the few modifications that you can do to CIS is SSI's and a 964 grind style cam. I realize that these are not going to turn the motor into a RS clone by any means, but is there any bang for the buck? Alternatively, since the car is smog exempt here in NC, how would a set of webbers / PMO's do with stock pistons and cams? Any and all advice is welcome. Thanks.
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'06 Cayman S '16 Cayenne '08 Audi RS 4 |
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07-29-2003, 04:26 AM
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Registered
Join Date: Jun 2002
Posts: 893
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CIS PERFORMANCE
According to the Porsche performance handbook, a 2.7
converted to webers ( 40 ida's) with 964 cams and flat top pistons, ssi's (or have the cis pistons flycut) puts out I belive 225 HP. I have heard of a weber big intake kit for the cis system but I'm not sure of the performance gains. 77 911S 66 912 V8 66 912 2.2 WITH NITROUS |
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07-29-2003, 06:40 PM
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