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Old 08-27-2010, 11:37 PM   #1
72Cheyenne350
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Carb Adjustment

So I've been searching around the net and I've found some articles and suggestions on how to adjust an Edelbrock 650 but they're all slightly different. Any suggestions?

Thanks!
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Old 08-27-2010, 11:52 PM   #2
oldblue1968chevy
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Re: Carb Adjustment

whats it doing?

the 2 middle screws need to be turned all the way in and then turned out 1.5 turns to get in ballpark..

screw on far right is idle
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Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck)
http://67-72chevytrucks.com/vboard/s...d.php?t=317684

Grams 53-1953 Chevrolet Belair
http://67-72chevytrucks.com/vboard/s...=1#post4327784

1969 Chevy C10 Shortbed 4.5/6?" Frame off resto
http://67-72chevytrucks.com/vboard/s...d.php?t=548136

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Old 08-28-2010, 12:04 AM   #3
72Cheyenne350
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Re: Carb Adjustment

It's running rich, you can smell the heavy exhaust but no black or white smoke.
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Old 08-28-2010, 12:09 AM   #4
HOGDADDY
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Re: Carb Adjustment

Edelbrock has lots of video's on youtube just have find right one you need.


It could possibly just need a float adjustment.

Last edited by HOGDADDY; 08-28-2010 at 12:26 AM.
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Old 08-28-2010, 12:07 AM   #5
prostreetC-10
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Re: Carb Adjustment

Is it a THUNDER AVS? The performers only come in 600 and 750. There might some confusion if you are using avs info to tune a performer although I'd think the process is the same.
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Old 08-28-2010, 12:17 AM   #6
oldblue1968chevy
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Re: Carb Adjustment

dont listen to prostreet, he'll make you buy a holly!!! lol jk
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Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck)
http://67-72chevytrucks.com/vboard/s...d.php?t=317684

Grams 53-1953 Chevrolet Belair
http://67-72chevytrucks.com/vboard/s...=1#post4327784

1969 Chevy C10 Shortbed 4.5/6?" Frame off resto
http://67-72chevytrucks.com/vboard/s...d.php?t=548136

1999 Toyota Tacoma 4x4
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Old 08-28-2010, 12:21 AM   #7
prostreetC-10
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Re: Carb Adjustment

Hey Old Blue.....you gotta at least SPELL it right. HOLLEY!!!! lol

Ed's are just fine. I'd rather fight with one of those Q-junk guys!

Or better yet, a Mopar Thermo-turd.
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Old 08-28-2010, 12:27 AM   #8
72Cheyenne350
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Re: Carb Adjustment

It's a 650 Thunder Series
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Old 08-28-2010, 12:37 AM   #9
72Cheyenne350
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Re: Carb Adjustment

Excellent video! That explains a lot and really helps thank you!
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