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.

Secondary hangers and rods stock cc carb

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Old 01-22-2003, 08:21 PM
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Car: 88 IROC
Engine: 5.7 L98 TPI
Transmission: 700 R4
Secondary hangers and rods stock cc carb

I read the tech bulliten about relaxing the spring on the secondaries, and in the article, it said that it might bog when I nail it with the engine warm. Well, I did all that, and sure enough, it bogged. Putting two and two together, I can see that I need to change the hangers and rods, but what size is good for a STOCK 305 "H" motor? The article said that there are several diffrent sizes to choose from. Also, it does have a fresh tune-up, and in a couple months, I will be putting on Edelbrock headers, 3" y-pipe, 3'cat replacement pipe, dynomax ultraflo muffler and tailpipes. If I change the secondary hangers and rods, I'd like to put in some that will go good with that setup. Just wondering if any of you have done these mods to a cc carb on a stock motor.
Old 01-22-2003, 08:44 PM
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Car: 1990 IROC
Engine: L98
Transmission: TH700-R4
B hanger and either CK or DR rods.
Old 01-22-2003, 08:51 PM
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Car: 88 IROC
Engine: 5.7 L98 TPI
Transmission: 700 R4
how much and what is the diffrence in CK and DR rods? Do you know what rods are in my carb now (being a stock carb)?
Old 01-22-2003, 09:45 PM
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Car: 1990 IROC
Engine: L98
Transmission: TH700-R4
my car had CH rods in it i think, dont remember. theres a tech article on this site about the different rods and theuir specs......
Old 01-22-2003, 09:51 PM
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Car: 88 IROC
Engine: 5.7 L98 TPI
Transmission: 700 R4
I'll do some mre checkin around...
THANKS for the info!!!:hail:
Old 01-23-2003, 06:15 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
My stock LG4 had CHs. I've tried AH, CK, and DR rods with B and G hangers. The best for my set-up is DR rods with a B hanger. Check my mods below.

JamesC
Old 01-23-2003, 10:56 AM
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Car: 82 Berlinetta/57 Bel Air
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Axle/Gears: 12B-3.73/9"-3.89
The B/DR combo worked well when my LG4 was stock, and they're working great now.
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