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New carb help

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Old Nov 22, 2007 | 06:04 PM
  #1  
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Car: 87 camaro
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New carb help

I am looking to upgrade to a new carb from my 600. I'm looking for the best for my performance and am also gonna upgrade to an Edelbrock RPM intake manifold too which I hope is best. I was looking at Demon, but I dunno if I should get that, or a Holley. I was told get a 750 DP, but theres so many diff choices I dunno which. I have a Harwood Iroc Cowl hood which I haven't gotten a chance to measure but more than a 2" cowl so clearance on a Holley isn't an issue. I live in Michigan, it gets cold but I dont drive it much past November, ( was parked 1st weekend this month.) So in conclusion, what carb should I get to run with my current engine setup?
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Old Nov 22, 2007 | 07:34 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I'd say go with a Holley 700 DP. You don't have a particularly wild engine, and with the T5, you aren't going to want to hit it that hard. You won't have to rev it as high to avoid WOT bog with the 700 vs. 750.
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Old Nov 23, 2007 | 07:59 PM
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Car: 87 camaro
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Re: New carb help

If I plan to occasionaly take it to the track, does that change anything? Right now I am currently trying to upgrade my engine to allow it to reach more potential. I really like the t5 but want to get a lot out of this engine.
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Old Nov 23, 2007 | 10:03 PM
  #4  
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From: waco,texas
Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
Re: New carb help

if you plan on modding the engine for much more power your gonna have to change out the t5. they hold up fine to daily driving but the first time you launch hard at the track and catch traction its gonna snap like a twig.
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Old Nov 23, 2007 | 10:38 PM
  #5  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by stevenb
If I plan to occasionaly take it to the track, does that change anything?
Go with a smaller DP, like 650.
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Old Nov 24, 2007 | 12:09 AM
  #6  
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Car: 91camaro rs,2014 silverado 5.3L
Engine: 5.7Lcarb,5.3L
Transmission: 700-r4, 6L80
Axle/Gears: strange 3.73's
Re: New carb help

Originally Posted by five7kid
Go with a smaller DP, like 650.


a 650 would be what i would use for a near stock motor
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Old Nov 24, 2007 | 03:45 PM
  #7  
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From: Michigan
Car: 87 camaro
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Axle/Gears: 3.42
Re: New carb help

This is not trying to sound cocky at all, just trying to get an understanding but my current setup is near stock?

The thing that is confusing me is that I was told my carb is waaaaay too small (which I understand it is) so I thought I would need much bigger like a 700-750 dp (which is what I was told and recommended to get)
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Old Nov 24, 2007 | 05:17 PM
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From: Fairfield, CA
Car: 91camaro rs,2014 silverado 5.3L
Engine: 5.7Lcarb,5.3L
Transmission: 700-r4, 6L80
Axle/Gears: strange 3.73's
Re: New carb help

Originally Posted by stevenb
This is not trying to sound cocky at all, just trying to get an understanding but my current setup is near stock?

The thing that is confusing me is that I was told my carb is waaaaay too small (which I understand it is) so I thought I would need much bigger like a 700-750 dp (which is what I was told and recommended to get)
sorry didn't see your sig. yeah it's not near stock, i would say a 700 after reading that.
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Old Nov 24, 2007 | 09:27 PM
  #9  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Manual tranny says go with a mechanical secondary (double pumper/double squirter) carb.

T5 says don't do anything to shock that transmission. The larger the carb, the higher the RPMs will have to be at WOT to avoid bog. 700 is probably safe, but 650 would be a guarantee.
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Old Nov 25, 2007 | 01:22 AM
  #10  
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From: Michigan
Car: 87 camaro
Engine: 357 swap
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Axle/Gears: 3.42
Re: New carb help

Alright but, out of curiosity if I were to go to an automatic...would the 750 be most beneficial?
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Old Nov 25, 2007 | 03:16 PM
  #11  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
With sufficient stall, yes.
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