I'm thinking of switching to carb on my 383 TPI. I have a couple questions for you guys though. First off it will see some street(weekend) and some strip because I have a 2002 SS that is my other weekend car. Ok now for questions. Will my 700R4 work without the computer? Also can I completely tear out the computer, wiring harness, and other BS and not have to worry about it? Does anyone have a part # for a fuel pump to replace my stock one? I'm not messing with a regulator I 'm just going to drop the tank and do it right. I need one though that can feed my beast and maybe some nitrous too. And what about the alternator will that work? Any other concerns I should be worried about I have an 1988 if that helps.

 

.... "Will my 700R4 work without the computer?"...

Yes it will. It won't lock up, and you'll loose about 3-5 miles to the gallon.... but if this is a concern, they have aftermarket kit's from Painless Wiring to lock it up for you.

... "Also can I completely tear out the computer, wiring harness, and other BS and not have to worry about it?"...

Of course, but don't 'tear' it out. Sell it, and put some 'moola' back in you're pocket's. I would keep it though, as you never know when you might want to go back to Fuel Injection.

.... "Does anyone have a part # for a fuel pump to replace my stock one? I'm not messing with a regulator I 'm just going to drop the tank and do it right"....

Messing with a regulator (for a strip car), IS doing it right. But if you want it to look as stock as possible inside the engine bay without a regulator, you might want to try Summit# SUM-G3134 ($109.95 for the pump).

But I would go with SUM-G3134-5 ($139.95 pump/regulator combo). My cousin run's his 80 T/A with a 1966 425 Oldsmobile engine with one.... and it's flawless!

.... "I need one though that can feed my beast and maybe some nitrous too"....

The above fuel pump delivers 140 gph, at 18 psi (this is why it's important that you get the regulator with it, cuz even 18 psi sounds too high for you're application).

.... "And what about the alternator will that work?"....

Absolutely...

.... "Any other concerns I should be worried about I have an 1988 if that helps"....

Not really.... if you're 383 runs strong, and your not concerned about the Torque Converter locking up or not, then it's really only a fuel delivery issue.

Don't forget the Vacuum Controlled Distributor

 

Thanks for the help. I won't "tear it out" but I am going to try and sell it. I do have a 58mm TB that I can get something out of. I just didn't know what all wouldn't work without the computer in there. It would really clean up the engine bay though.

 

Hey I don't think I meant regulator earlier. I don't want the piece that uses the stock fuel pump and then lowers the pressure to work with a carb. I do want a way to regulate fuel pressure on my new carb setup.

 

If you don't want to use the stock electric fuel pump in you're tank, but you do want to use some type of regulator to adjust it to you're engine's demands.... you're really better off using the stock electric fuel pump that you have, with a regulator that has a return line (so it doesn't leak on you).....

You're better off bro, unless you really want to drop the fuel tank and add either an LG4 pump, or just a piece of pick up line....

Believe me bro, dropping the tank is not fun at all!

The pump you have is already there, and it saves you the trouble, and extra work. Use it with a 3 port regulator until the pump fails on you.... which will not be for quite awhile, if you set it up right.

 

I heard the 3 port regulators were crap and I'mn also not sure of the condition of my stock fuel pump anyways so I guess it's time to drop the tank. Anyone know a part# for a carb pickup to fit my tank. I think I'm gonna put a Holley blue pump in.

 

I run one in my 1986 IROC, and so far it has been extremely reliable. No leakage, no hesitation.... the car runs extremely strong. The three port regulator acts just like a mechanical fuel pump with a return line, only, the tuning is really limitless (as compared to the mechanical fuel pump)....


My three port is relatively new though, but my buddy has been running the same one for well over three years now..... which was the inspiration for me in getting one!


If this still does not satisfy you though, you might want to contact GM parts directly. They 'should' have the stock 'in pump' you need..... then all you need to do then is simply install an electric pump by the tank. You'll still need a regulator though either way....

 

I think the Holley Blue comes with a regulator if I'm not mistaken.

 

There's a piece from Holley (part# HLY-12-815-1) made for CARBS, that flows 110 gph (14psi with regulator), and comes with a nice mounting bracket.