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Old 12-29-2003, 07:41 PM
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Can i use a 750 dominator on a ZZ4?

I have a ZZ4 350 crate motor in a 69 Camaro it has a Holley 4160 750 cfm now,I also have a Holley Dominator 750 cfm and a adapter that i may sell, i am wondering if it would be too much for my ZZ4?To use at the drag strip only.
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Old 12-30-2003, 01:03 PM
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It may not be too big for the drag strip, but that all depends on how much air you're pumping. I'm pulling a blank on the equation, but you can calculate how many cfm or lb/min your motor will use at whatever rpm. That will tell you for sure. If you want it, I can look it up. Holley can tell you too.
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Old 12-30-2003, 03:49 PM
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750cfm on a 350ci SBC?

What kind of heads are you running? Are they ported and polished? What cam are you running, is it a roller cam? Are you running roller rockers on your head? Are you running headers and what type mufflers or open exhaust? Are you running an open plenum intake or the double/split plenum? Is the motor stroked? Possably a 400sbc crank? Even then I'm not sure you need a 750cfm carb.


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Old 12-30-2003, 05:19 PM
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on my old 350 a 750 wasn't enough and it wasn't to wild, solid cam, hogged out camel humps with 2.05/1.60 valves, and open headers. It pulled a lot harder with the 930cfm predator carb..
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Old 12-30-2003, 07:34 PM
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Then why would you want to run the 750 if the 930 pulled so well?? This dosn't make sense?? Arn't you going to be running lean now??


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Old 12-31-2003, 01:12 AM
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Re: 750cfm on a 350ci SBC?

Quote:
Originally posted by tm454
What kind of heads are you running? Are they ported and polished? What cam are you running, is it a roller cam? Are you running roller rockers on your head? Are you running headers and what type mufflers or open exhaust? Are you running an open plenum intake or the double/split plenum? Is the motor stroked? Possably a 400sbc crank? Even then I'm not sure you need a 750cfm carb.


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People have a lot of misconceptions about over carburetion. You don't need all of that for a 750 to work properly. A lot has to do with secondary spring tuning and ignition timing. You could put a 750 on a stock 350 and it will run as good as a 600. Why not use the 750 and have some headroom if you want to make changes later?
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Old 12-31-2003, 04:56 PM
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750cfm or 930cfm carb on a 350sbc?

This question really belongs in the engine forum where the motor heads live. I run 650cfm carbs on my sbc350 400hp, and jet up as needed. If you have personally run the 930cfm on your engines and they wern't over carbed then do it again? I think thats to much carb! I know there is a formula but don't remember what it is?

WILL SOMEONE MOVE THIS TO THE ENGINE FORUM,PLEASE!



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