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.

TBI going to convert

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Old Mar 18, 2003 | 01:39 AM
  #1  
92WhiteRS's Avatar
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TBI going to convert

Hello all, I'm getting tired of sensors, bad times at the track, and chip tuning. I was just wondering if anyone here is running a carbed 350 with full 3" header back exhaust and fully tuned carb...no aftermarket head or cams. I can only run a high 14 with my combo with 3.43 posi and gears...and think I should be better. I'm converting anyway, but I was wondering how much a restriction TBI is right now...thanks.
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Old Mar 18, 2003 | 01:50 AM
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five7kid's Avatar
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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
For years, carb has meant no sensors available, inconsistent times at the track, and seat-of-the-pants tuning.

There's no particular reason TBI has to be a restriction.
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Old Mar 18, 2003 | 11:55 AM
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92WhiteRS's Avatar
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Well honestly I think you're wrong about TBI...unless you want to change proms and actual forms of injection everytime you do a serious mod (head, cam, motor swap). Honestly I have spent over $500 on sensors after I changed to my 350...swapped every single one...got a chip for a 350, machined my throttle body and my car still is running bad. TBI is pretty much a two barrel carb...wouldn't that be restrictive on a 350? They only flow something like 370cfm.
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Old Mar 18, 2003 | 12:43 PM
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TBIs are flat out junk. change...you won't regret it.
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Old Mar 18, 2003 | 01:02 PM
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92WhiteRS's Avatar
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Thanks Jester...will I see a good power change with a swap to carb?
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Old Mar 18, 2003 | 05:59 PM
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From: Pacific Northwest
Car: '85 IROC
Engine: LB9
Transmission: 700 R4
I'd like to try it with a tbi sometime but I need to get a bunch o stuff first.

Last edited by Streetiron85; Dec 22, 2003 at 11:39 AM.
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Old Mar 27, 2003 | 12:37 AM
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any chance?

Hey 92WhiteRS, any chance you'd be interested in swapping for a nice sbc Edelbrock Carb/intake setup? I know that what I have isnt quite worth your setup, but if you're interested, maybe we could work out some sort of deal?
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