12-23-2003, 06:27 AM
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Senior Club Cobra Member
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Join Date: Jul 2000
Location: Las Vegas,
NV
Cobra Make, Engine: ERA 427 SO
Posts: 1,126
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Not Ranked
BEB,
I also reread your first post, and thought of a couple of things for you to check out or consider...
I was trying to dial in my carbs a while back and was interrupted...the car sat for a while, and when I next drove it, I had a similar problem, tried all sorts of things (on a 2x4 setup, so it was somewhat miserable)...I suddenly remembered my earlier tinkering, checked, and sure enough, I had jetted down to a lean condition (probably near 14:1). I got very good mileage, but I had a lean tip-in problem that no amount of accelerator pump and/or cam fiddling could compensate for. Went back to the previous jets and...you guessed it, no more bog. You may have your jetting a bit too lean, try jetting up one, or even better two sizes and see how it feels.
The second thing: be sure that you have ZERO clearance between the accelerator pump arm and the lever at the idle setting, but ALSO be sure you have maybe 0.010" or so clearance at WOT (not sure of the last setting, can someone help on that?), as the pump MUST NOT bottom out at full throttle or something will get bent or damaged.
Let us know what you find.
__________________
Ken
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