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Old 10-15-2010, 02:07 PM  
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Durant, Ok
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4.3 tbi to carb

Hey guys is there an adaptor to go from tbi to carb on the gm 4.3?
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Old 10-18-2010, 04:18 PM  
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Frisco, Texas
Join Date: Oct 2010
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Yes, but it takes an entire intake to do it, not just an adapter. It is an easy job if you already did a swap. Its your lucky day, look up item 290483775209 on ebay, it is only 95 bucks.
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Old 10-18-2010, 05:59 PM  
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Frisco, Texas
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I bet you can sell the TBI and harness! Many off-roaders want those parts due to angle-running.

There are a few engines that can handle the TBI: 4.2 liter AMC is but one.

Hitch
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Old 10-18-2010, 06:02 PM  
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Fort Wayne, IN
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Why would you want to go to a carb? Fuel Injection is better IMO
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Old 10-18-2010, 06:08 PM  
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Frisco, Texas
Join Date: Oct 2010
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Quote:
Originally Posted by escort_gts View Post
Why would you want to go to a carb? Fuel Injection is better IMO
Shhhh! Don't blow my chances of going TBI on my 4.2 I-6! I can machine the adapter if not able to find one!!!!

Seriously, he may be drag racing or using it in a boat.

Hitch
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Old 10-19-2010, 08:36 AM  
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Durant, Ok
Join Date: Oct 2010
Posts: 6 | Kudos: +10
tbi gm 4.3

I don't really want to go to carb, I am just considering the options that I may have. I will swap the cpi, intake, ecm, wiring harness for a tbi, intake, ecm, wiring harness, or I will sell the cpi set up. I cannot get the thing to work and I don't know why. Possibly because it is an obd2 computer system. But i defintely need to do something, this is taking way to long, and I am beginning to lose interest. Thanks for your input. Also, I have a 2.5 that was rebuilt about a year ago and has 25k miles on it, complete engine with the computer, for sale or trade, it came out of the 97 wrangler.
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