Thread: 351W Tuning
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Old 05-07-2009, 03:32 PM
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Join Date: Nov 2006
Location: Gig Harbor, WA
Cobra Make, Engine: BDR#499 351W with Webers
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It’s been a long time since I posted to this thread. Been on a little government sponsored vacation to Afghanistan…

I finally got around to trying what Train Driver suggested and changed out my idle jet holders (.60 drilled to .80) idle jets (.60) and air correctors (205) and just returned from a test drive.

The car is better, but still pops and sneezes a little around 2200 RPM under light to moderate throttle and much more around 3000 under heavy throttle. Overall it seems to drive better…Smoother.

I am beginning to wonder if I may need the third progression hole, as the problem seems to manifest during the transition from idle to mains?? I sure would like to get this thing running correctly for the summer. Any thoughts or advice would be appreciated.

Thanks,

Gun Doc
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