Thread: 351W Tuning
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Old 11-18-2007, 11:10 AM
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Join Date: Nov 2006
Location: Gig Harbor, WA
Cobra Make, Engine: BDR#499 351W with Webers
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I attempted to sync my carbs the other day. I got them pretty close, but I think I may need to change out my linkage before I will get them spot on.

Just synchronizing the carbs and changing the plugs made it run like a different engine. It was scary! I got on it about ¾ throttle in second while going about 25, or so and the car launched to over 60 in a flash!

I ran the car through most all RPM ranges and I know it is still running rich on the idle circuit. I guess my next step is to drop the idle jet size. I am running .70 now. What is the collective opinion: .60 or .65?

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