Travers, since you are being pulled on the straights, are you sure you have the optional 5th gear? Can we also assume it's a pro-built (or equivalent) S5 motor, etc.? How old is the rebuild? I am the 3rd owner of an early SpeedSource car and it still does not have any after-market A/F or other tuning components. Indeed, I have not touched the timing in the season and a half I have had the car! I did change out my fuel pump this year (w/ another OEM one) and it made a difference - have you checked your fuel pressure? I don't recall being passed by any ITS car on any straight since. Of course, over there you racing against some of the best ITS cars and drivers in the country so don't feel too bad.
Bill Denton
02 Audi TT225QC
95 Tahoe
Memphis
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