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.

starting my swap.

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Old Jan 29, 2008 | 08:02 PM
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From: Hollyrock MD
Car: 88 formula
Engine: 350 goin carb
Transmission: 700r4
starting my swap.

ok, im about to put in dist.and all. i do not have the carb yet, but i was researching, and i think i may go with a VScarb. my qustion is, does it matter where i put vaccume lines? do i have to go dist. to carb, manifold to dist? if that even makes sence itl help to know
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Old Jan 29, 2008 | 08:43 PM
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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
Any particular reason for VS? Other than "standard" recommendations?

Need to know more about your engine, transmission, and use to make a solid recommendation.

The vacuum for the distributor vacuum advance should be "full" or manifold vacuum, first choice, or "timed" or "ported" vacuum, second choice. Either port is on the carb itself.
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Old Jan 30, 2008 | 04:15 PM
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From: Hollyrock MD
Car: 88 formula
Engine: 350 goin carb
Transmission: 700r4
Re: starting my swap.

only reason id go with a VS is it seems to be more popular. here is what i have

350, cammed 111lsa, .474 lift, heads: 2.02/1.6 valves, trans is 700r4 with 2500 stall. no gear in the back yet.

i dont mind tuning a cab, but id like a user friendly one. i have WBo2 to help tune. as im going from tpi to carb
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Old Jan 30, 2008 | 04:27 PM
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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
You'll be happier, if performance is your goal, with a double pumper. Tuning is no more difficult than the VS, and arguably easier.

What's the duration of the cam?

What intake manifold are you thinking of using?

Is this a fun street car, or do you plan some strip time?
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Old Jan 30, 2008 | 07:49 PM
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From: Hollyrock MD
Car: 88 formula
Engine: 350 goin carb
Transmission: 700r4
Re: starting my swap.

this is just a fun street car, with rare track vistis,
cam is 230/234 duration, i have a "bowtie" highrise intake that im going to use, just cause i have it already
http://www.compcams.com/Technical/Se...umber=08-414-8

Last edited by 88tpi350; Jan 30, 2008 at 10:17 PM.
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