TBI to Carb distributer question
08-05-2010, 02:40 AM
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TBI to Carb distributer question
i have the LO3 in it right now but im building a carbed L98 and plan on swapping it in there during the winter.. i have zero none nada knowledge about electronics so i was just wondering what all electrically i need to do.. HEI distributer? ignition box? also i need to get an AFPR but will that be all for the fuel, or should i buy an entire new fuel pump? thanks
08-05-2010, 09:08 AM
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Re: TBI to Carb distributer question
may want to check over in the carb section of the site, but minimum you'll need to change is the distributor (HEI), rewire the fuel pump relay, and install a return-style FPR. No need for an ignition box (optional). You'll also need to get a lockup kit for the transmission.
08-06-2010, 03:55 AM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: TBI to Carb distributer question
may want to check over in the carb section of the site, but minimum you'll need to change is the distributor (HEI), rewire the fuel pump relay, and install a return-style FPR. No need for an ignition box (optional). You'll also need to get a lockup kit for the transmission.
08-06-2010, 04:34 AM
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08-06-2010, 07:43 AM
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Car: 82 Z28
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Re: TBI to Carb distributer question
If TBI has fan switch already ,no changed needed
Something like one of these fan switches in the temp operating range of your choice
http://www.a1electric.com/Merchant2/...uct_Code=185TS
http://www.a1electric.com/Merchant2/...uct_Code=195TS
Last edited by vetteoz; 08-06-2010 at 07:51 AM.
08-08-2010, 11:16 PM
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Re: TBI to Carb distributer question
Not up to speed on TBI cars but IF the computer ran the fans like on the TPI cars you now need a fan switch in the head wired to the fan(s) relay to operate the fan(s).
If TBI has fan switch already ,no changed needed
Something like one of these fan switches in the temp operating range of your choice
http://www.a1electric.com/Merchant2/...uct_Code=185TS
http://www.a1electric.com/Merchant2/...uct_Code=195TS
If TBI has fan switch already ,no changed needed
Something like one of these fan switches in the temp operating range of your choice
http://www.a1electric.com/Merchant2/...uct_Code=185TS
http://www.a1electric.com/Merchant2/...uct_Code=195TS
08-08-2010, 11:20 PM
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Re: TBI to Carb distributer question
On the fan, a better option is a seperate fan controller - I installed one 4 years ago and haven't had any overheating issues since. It's adjustable, has provisions for A/C and manual on/off toggles, probes the radiator so no more face full of coolant changing out that factory switch, and easy to wire. The one I have is a Flex-a-lite, there are others more and less expensive - but the Flex-a-lite was the best $90 I ever spent!
But on a TBI car, you don't need to do anything - the factory fan wiring has nothing to do with the ECM, and should work fine.
But on a TBI car, you don't need to do anything - the factory fan wiring has nothing to do with the ECM, and should work fine.
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08-08-2010, 11:42 PM
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Re: TBI to Carb distributer question
On the fan, a better option is a seperate fan controller - I installed one 4 years ago and haven't had any overheating issues since. It's adjustable, has provisions for A/C and manual on/off toggles, probes the radiator so no more face full of coolant changing out that factory switch, and easy to wire. The one I have is a Flex-a-lite, there are others more and less expensive - but the Flex-a-lite was the best $90 I ever spent!
But on a TBI car, you don't need to do anything - the factory fan wiring has nothing to do with the ECM, and should work fine.
But on a TBI car, you don't need to do anything - the factory fan wiring has nothing to do with the ECM, and should work fine.
wuld i need to but a fuel pump relay in though?
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