need nos help please
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Joined: Mar 2004
Posts: 77
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From: staten island ny
need nos help please
i have a 99 a4 coupe with a 414 iron block 11 to 1 comp 242 248 duration cam made 490 on dyno ran a best of 10.98 at 121 on an et street with 342 gears . i installed a 175 hp single fogger (68 and 39 jet fuel pres. at 40psi) ran car tonight on nos and it only ran 10.76 at 126. i ran it on motor and it ran 11.15 at 120 but i believe the race gas slowed it down n/a.any ideas bottle presure was at 900.
