Re: Cabriolet 8v tuning??? (SCCA_cabriolet_ESR)
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OK I made the comment about the cam in the previous post because TT makes about three "race" cams for the JH (solid lifter motor for the 16year olds) they each have different ramp profiles, lifts and durations so when you said full race I assummed you had the 306 degree one since your using HD valve springs
many larger cams can play havoc with the CIS as vaccum fluctuates so much at idle I thought off the line pep is what you are after and that was your delema. So maybe I should have asked what you meant by peppy?
Kevin Rowley had some very good points you might want to try as he's got some good advice I'll fill you in on what I've done to my current motor as the set up your running is almost the same , as much as you described, the K&N, big bore intake, the dual outlet manifold mated to the 2.25" pipe, the cam is different .
so you can wiegh options if you want so you can see if it will work for you to gain that pep your after...
I did the lrger throttle body upgrade and extrude honed a MK2 intake, ceramic coated it (and the outlet & down pipe), port matched, added the audi 5000 warm up regulator, fabricated "big bore' running to the air box that takes in a more direct flow of cool air instead of behind the bumper location, CC'd the head as well as P&P...there more but KR menioned some of 'em but I dont know what you meat by pep oh...You may want to try a vaneired cam sprocket to adjust the power band to the RPM range you drive at anyway that all for now
Except to that kid stevo dont make stupid comments
you sound like arse.
There is very little left stock in my car as I've been tweaking vw 's for many years with 14 vws over the years I dont think at sixteen you've yet to do your first complete engine build so gain so knowledge first ...what the firing order of your engine? degrees advance? did you have to look it up? DOO
Modified by A1 Cabriolet at 12:42 AM 5-9-2003