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Old 08-29-2005, 01:30 AM
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carb question

i got a carb question for you guys. i was wondering if you can help me pick out a carb for my motor. i have a 383 with dart pro1 200cc heads, comp xe268h cam, rpm air gap manifold,and 10to1 compression. im looking to get a carb that is going to be easy to work with, i do not know very much about carbs. someone i talked to before said to get a 750 is that a good size to get? this motor is going into a 70 Chevy truck and is just going to be driven on the weekend. any info would help.. thanks

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Old 08-29-2005, 12:32 PM
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If you don't like to fool around with carbs, the vac secondary 750 is your best bet. I prefer Holley, but get what you want. The vac secondary will keep you out of trouble, yet you will love the power and decent gas milage.
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Old 08-29-2005, 02:39 PM
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yep..a 750 holley ..maybe try the advenger series..they are dang near set from the factoryn to most people liking....i have a 750 holley vac sec carb and i would not trade it for anything...i put a heavy spring in the sec on the street and a 30 sec spring change at the track and i get all the fuel it needs..every one is different.some liie the demons..some like the holley dp and hp....but since you seem to be a little carb challenged( not know much about tuning carb) i would highly recomend the holley avenger carb..
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Old 08-29-2005, 06:12 PM
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the avenger might be right for me. im just worried about tuning it. does a 750 sound about right for my truck?
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Old 08-29-2005, 06:21 PM
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I'm running a 383 in my street rod with a 770 Holley street advenger carb vacuum secondary, the only tunning I had to do was with the electric choke. Can't go wrong with this carb. They don't make a 750 it's 670 , 770, and 870 cfm.
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Old 08-29-2005, 07:50 PM
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Quote:
Originally Posted by jpelli
I'm running a 383 in my street rod with a 770 Holley street advenger carb vacuum secondary, the only tunning I had to do was with the electric choke. Can't go wrong with this carb. They don't make a 750 it's 670 , 770, and 870 cfm.
Yep definitely..... Avengers are good.
In the past I have had good luck with the spread bore "Quadrajet" that Edelbrock is reproducing... Good mileage with the small primaries and 800 cfm on all 4..
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Old 08-31-2005, 09:00 AM
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thanks fro your help.im going to look into the avenger.
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