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Old 06-26-2013, 08:45 AM   #1
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Carbs v FI

I want to change over to a carb for the motor I'm building. Right now is stock FI 86 gt. can anyone give specifics on what all needs to change? Thanks
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Old 06-26-2013, 02:26 PM   #2
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Intake manifold, you'll need a carb, linkage, and a fuel pump. Probably more.
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Old 06-28-2013, 02:37 PM   #3
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Old 07-01-2013, 06:20 PM   #4
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Air filter housing, some way to power the fuel pump or an aftermarket fuel pump and pressure regulator.
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Old 07-03-2013, 09:12 AM   #5
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You will need to switch the dizzy to a vacuum or centrifigul advance style. Once you do that and delete the tfi module the factory fuel pump relay wont work anymore. But u can put the tan/light green wire to ground and it will kick thw relay when u turn the key. But I would add a kill switch so u can have the key forward without the pump running if u want.

Btw u can use the stock efi in tank pump as long as u install an adjustabke fuel pressure reg.
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Old 07-04-2013, 12:37 AM   #6
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Good to know as I still have stock system
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Old 07-04-2013, 12:58 AM   #7
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Quote:
Originally Posted by Sgt_Syke View Post
Good to know as I still have stock system
Dont get me wrong the best way is to install an external tank pump that is designed for carbed. But on my ride I dont plan on doing this until the stock one either fails or isnt good enough. So far I have ran it for a few years, but my car doesnt see much road time.

If you go external you will need a pickup tube to go where the stock pump is. They are a bit pricey at around 100 $ but can be fabbed pretty easily out of whats already there and maybe a piece of tubing..
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Old 07-04-2013, 11:30 AM   #8
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Cool, I'm decent at fabricating stuff, plus when I do it it is gonna be a whole motor swap so it should be a good time to do it. I want to do the motor, wiring, exhaust, brakes (they are REALLY bad right now) and rear end, then everything else will be one at a time till its dun, unless I run into more $ somehow!
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Old 07-04-2013, 03:08 PM   #9
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Cool, I'm decent at fabricating stuff, plus when I do it it is gonna be a whole motor swap so it should be a good time to do it. I want to do the motor, wiring, exhaust, brakes (they are REALLY bad right now) and rear end, then everything else will be one at a time till its dun, unless I run into more $ somehow!
Yeah, there is tons of removing wires for the swap. And sometimes it gets a bit tricky trying to figurr out what and what not to remove. I actually added a little box with terminal strips. Then ran a large hot wire to it. Then everything that needs a hot wire is ran to that box instead of it all being stacked on the starter silinoid.
Heres some before, after and durings.. still needs some work but much improved. It takes forever to remove all the extra junk..
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