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.

Carb or TPI?

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Old 08-27-2007, 05:38 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
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Axle/Gears: 3.73
Carb or TPI?

Just want to ask a simple question.... Which would be better to have in you guys opinion?

1. a 600 -650 carb with a torker intake(have intake)?

2. or leave it tpi?

This is what i have: 350, with a .498'' lift comp cam, world class comp heads, roller rockers, headmann headers, borla street/strip exhaust. the motor was in another iroc of mine that ran 13.20's in a 1/4. with a 750 dp edlebrock carb, and an performer intake.

Last edited by RocsRose86; 08-27-2007 at 10:48 PM. Reason: didnt list the intake on the motor originally!
Old 08-27-2007, 06:33 PM
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Re: Carb or TPI?

Keeping the TPI would by far be the easier and cheaper solution. The only thing a Torker should be put on is a junk pile.
Old 08-27-2007, 06:35 PM
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Re: Carb or TPI?

TPI or say miniram,Lt1 intake,stealthram,superram
Old 08-27-2007, 10:46 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

Originally Posted by Apeiron
Keeping the TPI would by far be the easier and cheaper solution. The only thing a Torker should be put on is a junk pile.

why in a junk pile? That torker was on my other iroc b4 i junked it with that same motor running 13.20, I thought that was pretty good. But i am just really getting into building my own motor. anyway i like the performer series also. I just want a clean set up.


I have a ram jet, tpi and an lt1 intake and plenum. I wanted to make it look stock, but have it when i want it. I got the ramjet off the motor when i bought it from summit. the lt1 is from my old vette, and the tpi is the stock manny that was originally on this car. but i dont have any of the comps, what should i get if i go that route?
Old 08-28-2007, 12:10 AM
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Re: Carb or TPI?

The Torker is a very old, outdated design that's surpassed in performance by pretty much any other intake, including a stock one.
Old 08-28-2007, 09:18 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

Well what do you suggest then?
Old 08-28-2007, 10:01 PM
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Re: Carb or TPI?

rpm air gap... or knock of i got a summit stage 3 airgap knock off for like 189
Old 08-28-2007, 11:27 PM
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Car: 1984 Z28 Hardtop
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Axle/Gears: 3.54 Dana 44
Re: Carb or TPI?

Performer RPM, or RPM air gap, or whatever Weiand's current equivalent is.
Old 08-28-2007, 11:41 PM
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Re: Carb or TPI?

also the victor or victor jr. dart's manifolds are pretty good also.
Old 08-29-2007, 11:46 AM
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Car: 1984 Z28 Hardtop
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Axle/Gears: 3.54 Dana 44
Re: Carb or TPI?

A Victor wouldn't be a good choice on his engine.
Old 08-29-2007, 12:44 PM
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Re: Carb or TPI?

true the victor jr wouldn't be bad though. no worse than the 750 that was on it before.
Old 08-31-2007, 10:04 AM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

Well I wanted to put the anniversary holley 4 brrl but didnt have enough cash in hand at the time. Any other carb and intake setup suggestions? I really want her to run and scream,but be subtle at times.
Old 08-31-2007, 02:48 PM
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Re: Carb or TPI?

RPM airgap with a 650 holley DP carb... Or a weiand team g with a 650dp
Old 09-18-2007, 09:42 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

Okay fellas tell me if this is ok. And which to get.

1. a edlebrock 600 cfm or a holley 600cfm for a $140 each?

2. Edlebrock performer rpm intake or a edlebrock rpg $75.00 each?

Old 09-21-2007, 12:10 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

this is on a budget that is why i ask.
Old 09-21-2007, 12:54 PM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Carb or TPI?

I'd take the Holley over the Edelbrock, but it would maybe depend on which Holley it is.

Where are you seeing an Edelbrock "rpg"?
Old 09-21-2007, 03:12 PM
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Re: Carb or TPI?

I think he meant rpm I would definitely go with the holley also otherwise just find a quadrajet for about $25 and rebuild it instead of $140 for the Edelbrock
Old 09-21-2007, 06:32 PM
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Car: 1986 Irocz28/04 GMC Yukon
Engine: Ram Jet 350(*TPI*)
Transmission: Turbo 400 w/1500 stall
Axle/Gears: 3.73
Re: Carb or TPI?

yes rpm. the holley is a 600 anniversary quaddra-jet.
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