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.

This is it

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Old Jul 7, 2010 | 06:44 PM
  #1  
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
This is it

As warned:
https://www.thirdgen.org/forums/carb...mods-fate.html

The '57 with 396, E85 carb spun a bearing and cracked the transmission bell housing 6/25, so it won't be driven like that again. Next up is souped-up LQ4/4L80E (will stay EFI).

When Berlinetta #1 is pulled into the garage (probably Thursday), it will be the last carb equipped vehicle I have available to drive. It doesn't have insurance on it now, so it's just from the driveway to the center stall of the garage. LS1/4L60E going in (will stay EFI).
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Old Jul 8, 2010 | 07:43 AM
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
Re: This is it

Damn 57, how hard were you turning it?

I saw the other thread about what happened, sucks! But hey, time to get that swap going....
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Old Jul 8, 2010 | 08:22 AM
  #3  
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
Shifting at 6100, going through the traps at about 5800. Nothing too drastic. The LQ4 will probably shift at 7000.
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Old Jul 8, 2010 | 08:26 AM
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From: Moneta, VA
Car: 88 GTA
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: BW 9-bolt 3.27 posi
Re: This is it

Damn, five7... glad you are setting up the Berlinetta... but what will be the fate of the '57?? ('57 is my birth year, and I have always had a soft spot for those cars).

Not that I am not interested in the super swap... I just want to know what is next for the '57.
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Old Jul 8, 2010 | 08:37 AM
  #5  
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
Berlinetta #1 gets a 2000 LS1/4L60E with shaved 317 heads and 3000 stall converter.

The '57 gets a 2003 LQ4/4L80E with L92 heads (look like rectangular port BBC heads), TBD cam, 4000 stall.
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Old Jul 8, 2010 | 08:53 AM
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From: Moneta, VA
Car: 88 GTA
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: BW 9-bolt 3.27 posi
Re: This is it

Interesting. I am just learning about all these Gen III engines... LQ4 should probably go right in there without having to change over to different accessories, no? I figure the '57 should have lots of room for all that.

How is the fitment vis a vis the oil pan?
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Old Jul 8, 2010 | 11:47 AM
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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
I'm only doing water pump and alternator. The factory LQ4 water outlet neck interferes with the L76 (passenger car) intake TB, so I need to do something different ('10 Camaro appears as though it would work). The LQ4 oil pan sticks down quite a bit, I might have to go to the H8 style (f-body doesn't work).
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