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Thread: half throttle stumble help!??
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07-23-2007 #1
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- Dec 2006
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- Petersham ,ma
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- 522
well heres the latest,i havent drive the car this past week so i havent done much, but i did put in a 6.5 i had laying around and put the jetting back to 74/78 and i dounle checked everything else. it still has a stumble but is much better,i looked at the plugs and it is still a little on the lean side, i picked up a 7.5 power valve just havent gotten around to it yet. gonna try that soon.
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07-23-2007 #2
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- Oct 2004
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- Papillion, NE
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- 203
Carb
Try raising the float level 2-3 flats, it may surprise you without going inside the carb
Remember, the transition and idle circuits are siphons, if the float level is higher, its easier for the vacuum to pull the fuel in.70 Mustang - 489 cid FE, KC ported Edelbrock heads, Modified Victor Intake, Mass-flo EFI, Erson valvetrain, Supercomps, TKO-600, 4.10 9 inch.
71 F-100 4x4 SB 4x4, 461 cid FE stroker, Edelbrock Pro-flo 4 EFI
13 Ram Laramie 2500 4x4 6.7 diesel - trailer puller
07-24-2007 #3
Registered User
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- Dec 2006
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- Petersham ,ma
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- 522
what do you mean buy" raise the float level 2-3 flats"??? ive always rewmoved the sight plugs and slightly shook the car and raised till fuel just barely comes out.....
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