Is this carb any good for 5speed with 350?
Is this carb any good for 5speed with 350?
I was wondering if this carb would be nice on a just mild 350 with a 5speed? http://store.summitracing.com/partde...rt=HLY-0-4777C i know everyone says you should use a double pumper on 5 speeds but isnt it cuz it has mechanical secondarys and so does that carb so i was just wondering if it would go nicely togetehr
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Joined: Jul 2003
Posts: 2,779
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Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Re: Is this carb any good for 5speed with 350?
that's what i got man, love it. buy it, unwrap it, and make love to it. great carb.
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From: Mooresville, NC
Car: 1983 Buick Regal
Engine: 355
Transmission: TH350
Axle/Gears: 4.11
Re: Is this carb any good for 5speed with 350?
That is a double pumper, see where it says "fuel inlet: dual"
but yes that is a great carb
but yes that is a great carb
Joined: Mar 2000
Posts: 43,187
Likes: 43
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
Double pumper and dual inlet don't have anything to do with each other. You can have a dual inlet vacuum secondary (have one in the garage attic).
Double pumper is Holley's trademark for mechanical secondary. Demon calls theirs dual squirter, since they can't call them double pumper.
That carb would be fine on a mild 350 - which is the most you would want in front of a T5, anyway.
Double pumper is Holley's trademark for mechanical secondary. Demon calls theirs dual squirter, since they can't call them double pumper.
That carb would be fine on a mild 350 - which is the most you would want in front of a T5, anyway.
Supreme Member

Joined: Jul 2003
Posts: 2,779
Likes: 2
From: any clime or place...
Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
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Joined: Sep 2001
Posts: 2,031
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From: Cincinnati, OH
Car: 87 Iroc Z
Engine: 383ci.
Transmission: WC-T5
Re: Is this carb any good for 5speed with 350?
Awesome carb. I run the 4777 on my 383 which is connected to a WC-T5 and it was alot better than my 750VS was.
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Joined: Mar 2007
Posts: 97
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From: Long Branch, 07740
Car: 84 sport coupe
Engine: stock lg4
Transmission: 700r4
Axle/Gears: stock?
Re: Is this carb any good for 5speed with 350?
I always thought a double pumper would be a bit much for a mild 350? Guess i have a lot to learn lol. Is it possible to have a mechanical secondary carb without the dual accelerator pumps?
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Supreme Member

Joined: Jul 2003
Posts: 2,779
Likes: 2
From: any clime or place...
Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Joined: Mar 2000
Posts: 43,187
Likes: 43
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
Well, Holley did it with their 450 CFM (I think it was) spreadbore economy emissions replacement carb. You can imagine how popular that item was.
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