Thread: Carb flat spot on acceleration
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09-01-2009 04:35 AM #1
Carb flat spot on acceleration
Okay....I have this 1952 Ford Flathead with all the usual go-fast stuff. I have a Holley 390 cfm that I bought brand new about 8 years ago. Let it sit with gas in it during that time and within the last 12 months, I have finished the truck and am driving it locally. My problem is during engine run-up, either on the road or in the garage, I have a flat spot when the squirters empty and the mains are supposed to take over. If I blip the throttle, I get past that spot and the engine continues to accelerate.
I have cleaned out the main jets and inspected the pump and squirter holes...they seem to be clean. Anybody got any other ideas?
Engine is 239 cu.in. bored out .060", Isky Max 1 cam, Sanderson headers, MSD coil, distributor and 6A, and the carb mentioned. Timing was set by light at 10 degrees BTC.
Thanks for any help!
In our neighborhood, 2 blocks down the hill was a gas station that (to me) all the cool car guys hung out there. 32 coupes, 33 & 34 Fords as well, a sweet 56 Ford Beach wagon that was setup gasser...
How did you get hooked on cars?