05-07-2006, 03:11 PM
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CC Member
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Join Date: May 2004
Location: centralia,
IL
Cobra Make, Engine: B&B cobra (sold), Hurricane HMS1002 (sold), Kirkham 289 FIA, (sold) RCR GT 40(sold) SPF GT40 2122(sold) Hurricane HMS2002, (sold) RCR SLC (sold) GTR on the way!
Posts: 1,288
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Not Ranked
Weber issues - need opinions
When I rev the engine in the garage I have a pop in my sidepipes after about 2000rpm's. Maybe more on the driver side but the damn thing is so loud I really can't tell. What will cause this popping? I have sprayed carb cleaner around the intake but found no leaks. I think my fuel pressure is right at 2.5 and I think my timing is around 38 degs. This is a 408w.
idle jet 65
idle jet holder 120
primary jet 150
air correcter is 190
f7 tubes
50 exhaust valve and pump
37 venturi's
I am running rich around 11 to 12:1 A/F. That is not that far off. If that is the issue, what to change? That ratio is through the whole band.
The car runs pretty good already but I really hate to do to much road testing since it is not exactly legally registered yet.
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High Maintenance Racing Team
Run & Gun 2003 - 2013
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