donplayahat Posted September 19, 2008 Report Share Posted September 19, 2008 (edited) ok so i took my car about a yr ago to the track bone stock... 88 auto tsi. 10 psi 12a shifting at like 4-4,700 rpms. i ran a 10.00 @ 64 mph. now i have a s16g @ 18 psi, gutted cat, 3" catback. 255 walbro fp. and i ran a 9.88 @ 78 mph. backfiring the whole way donw and a fuel problem. but the two runs before that were 10.2@74 mph and 10.4@ 64mph. dk what it could be i think its the regulator but i dk.. anyway still shifting at 4-4,700 rpms. so yea a crappy day at the track. i am happy about the e.t. i think with all that fix and shifting at 5,500- 6rpms. i think i can run a 9.2. Edited September 19, 2008 by donplayahat Quote Link to comment Share on other sites More sharing options...
BlowinUp54B's Posted September 19, 2008 Report Share Posted September 19, 2008 Running to much boost? It usually back-fires when you do. Quote Link to comment Share on other sites More sharing options...
donplayahat Posted September 19, 2008 Author Report Share Posted September 19, 2008 i have found the gremlin with my car.. the fuel pressure regulator its gone bad. it also needs a tune... its 18psi too much boost? Quote Link to comment Share on other sites More sharing options...
Technology Posted September 19, 2008 Report Share Posted September 19, 2008 I didn't know you could use the "s" word. s***. Quote Link to comment Share on other sites More sharing options...
donplayahat Posted September 19, 2008 Author Report Share Posted September 19, 2008 well i didnt know if i could or not i just wrote the post... sorry if its not allowed edit if it needs to.... Quote Link to comment Share on other sites More sharing options...
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