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Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

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Old 01-24-2009, 01:04 AM   #1
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Join Date: Apr 2008
Location: Muncie, Indiana
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Car: 1983 Camaro Sport Coupe
Engine: 2.8L, hopefully upgrading..
Transmission: BorgWarner T5, Made here in Muncie
Axle/Gears: stock

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Varajet II ditch/keep??

I have a 2.8L with the Rochester Varajet II... Is this carb any good or is there a replacement carb thats better? The carb doesn't seem to be performing too well and i was debating rebuilding vs buying.. any help is appreciated.. thanks in advance
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Old 01-26-2009, 02:47 PM   #2
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Car: 82 Berlinetta(2)/57 Bel Air
Engine: LS1 (LS1)/LQ4
Transmission: 4L60E (T56)/4L80E
Axle/Gears: 10B 3.73(9" 4.11)/8.2" 4.11

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I don't know of any replacement for it unless you go non-CC and put a small 4-bbl on it.

The only one I had was on an '80 Citation 2.8. The car had about 250k miles on it when the body fell apart around the engine (miles estimated, because the speedometer quit after about 230k miles). I rebuilt the carb once, it always seemed to work well. But, that was a non-computer version.
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Old 01-26-2009, 03:23 PM   #3
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Join Date: Apr 2008
Location: Muncie, Indiana
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Car: 1983 Camaro Sport Coupe
Engine: 2.8L, hopefully upgrading..
Transmission: BorgWarner T5, Made here in Muncie
Axle/Gears: stock

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Re: Varajet II ditch/keep??

thanks for the help. main reason behind me asking is i'm planning on doing the 3.4 swap and didnt know if i could get a better carb to run on the 3.4.

thanks again

i know holley makes a 350cfm 2bbl as does Demon Carbs but i dont know if that would be the correct size

Last edited by MikeSmith0890; 01-26-2009 at 03:37 PM. Reason: added info
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Old 01-26-2009, 04:13 PM   #4
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Car: 89 TA, 79Z28, 88K1500 TPI swapped
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Re: Varajet II ditch/keep??

As long as its a 2.8 leave the vara jet alone. The carb is not the reason that 60 deg V6 runs like it does.
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Old 01-26-2009, 06:19 PM   #5
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Location: Littleton, CO USA
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Car: 82 Berlinetta(2)/57 Bel Air
Engine: LS1 (LS1)/LQ4
Transmission: 4L60E (T56)/4L80E
Axle/Gears: 10B 3.73(9" 4.11)/8.2" 4.11

Classifieds Rating: (11)
I took a quick look on summitracing.com for intake manifolds. Basically the only thing offered is a base upon which you need to put one of two uppers, a 2 bbl or 4 bbl. The 2 bbl is made for the Varajet, the 4 bbl for a standard squarebore Holley. About $200+ to get two pieces you'd need.

I agree the 2.8 isn't that big of a powerhouse. But, again, I didn't have any particular issues with the non-computer version of the Varajet.
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Old 01-26-2009, 06:19 PM
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