motor help !!!!

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Apr 13, 2009 | 12:22 PM

mopar nate

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From: burbank il

motor help !!!!

i have a 440 .60 over with a mild cam holley 780 vac ..........it seems like it is doggin on power i have new plugs wires and everything but i cant get it to stop running rich i have try screwin with the carb but i just dont know, so i have come to you guys to help me ........should i cant my timing and if so what should my timing be set at plz help thanks nate

Apr 13, 2009 | 04:01 PM

theomahamoparguy

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From: Springfield NE

Quote:

Originally Posted by mopar nate

If you have a cam in it I would try about 10-12 degrees of initial advance.
Try to limit the total mechanical {no vacuum advance} to 34-36.

Apr 13, 2009 | 07:39 PM

67 GTX

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From: Brooklyn, N.Y.

did you ever mess with the jets in the carb.?

Apr 13, 2009 | 11:35 PM

mopar nate

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From: burbank il

no i never played with the jets

Apr 14, 2009 | 02:13 AM

78D200

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From: Goffstown, NH

Play with the timing some as the smoother the motor runs, the more power she will make faster.

What octane gas are you running?

Apr 14, 2009 | 11:17 AM

mopar nate

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From: burbank il

i been running 89 because 93 lil expensive and i have no job i was laid off so i still try to run a high octane...

Apr 14, 2009 | 10:02 PM

hypermite

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Could have the incorrect power valve, or it could be ruptured. floats could be set wrong, when a Holley isn't working right they can be a real pain, that's why I use Edelbrock/Carter carbs on my daily drivers. Holleys will usually make a couple more HP. but it seems like people are always having to wrench on them to get 'em right.

Apr 15, 2009 | 06:45 AM

rr69half6bbl

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From: central ,IN

I agree w/ hyper, if you arent familiar w/ a holley maybe have a wrenchin buddy dial it in for you, theyre nto that hard to figure out ounce someone shows you how.