Question about 1991 Pontiac Firebird

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What all do i need to change 91 3.1 firebird over to carberutor

Everything i need to do to change over to carberutor!

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  • Pontiac Master
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What you are trying do hear is to impractial not impossable but vary vary expensive and complex to .You basicly would have to take everything out of your car and i mean everything .Then buy all new parts for a pre OBD1 vehicle likely modifiy the frame ..
Then rebuild it from the ground up you might get out of it for 80 grand or so thats if you could most of the work your self.

Posted on Mar 29, 2015

Testimonial: "Thanks but that's not what i wanted to hear!!!!"

  • JOHN LAPIER Mar 30, 2015

    Ididn't mean to shout you down but its ture .If you really want one of these cars and they are cool vehicles sell what you have and pick up an older one cheap then the TLC TO RESTORE IT

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  • Pontiac Master
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If it fuel injected then you need to change, computer intake manifold, linkage fuel rail out to a line ,Almost easier to buy a new car

Posted on Mar 29, 2015

Testimonial: "I have a TBI carb.and a 83 chevy 2.8 distributor but what do i do about the other stuff thats on the ECU?"

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Changing it back to a carb is not a good idea.. The fuel inj system is far superior .. keep it .. read out the codes and repair what ever the problem is. You did not tell us why you wanted to change it.!

Posted on Mar 30, 2015

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  • Pontiac Master
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I dont even no where to start you got a multiport injection and want to change it to tbi intake on 2.8 83 wont fit on 91 its easyer to swap the engine small bloc chevy with carburator no computer needed gas pump on the engine remove gas pump in the tank

Posted on Mar 30, 2015

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91 firebird new battery just wont start


I agree, more information would be helpful and engine size too. Also, why did you replace the battery and what was it doing or not doing just prior to the battery change?

Jun 03, 2014 | 1991 Pontiac Firebird

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I have a 91 firebird with tbi that doesnt spray i have primed it and the car runs but dont idle i had to break ignition and the secrity light does come on and the fuel pump works and is getting gas to


may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: xcardiag.com

Mar 26, 2013 | 1991 Pontiac Firebird

1 Answer

Just replaced the head gaskets and timing chain on my 91 firebird with the 3.1 v6. ive rest the timing to 0' tdc. the distributor is new and just about everything else as ive been trying to resto


no idea here ,look at the valves on no1 or any cylinder come to that then take not of what cylinder it is then rotor arm should point to that HT lead,the inlet valve should be up and to the left and the exhaust up and to the right piston at the top ,then brroom brrroom

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Can i put a external fuel pump on a 91 firebird 3.1l . if so what else might i have to change? thanks. im trying to avoid droping fuel tank.


You can put an external electric fuel pump on it, make sure you get a fuel pressure regulator to match OE fuel pressure

Jan 04, 2011 | 1991 Pontiac Firebird

1 Answer

Fuel tank from 91 pontiac firebird


MAKE SURE YOUR REMOVE FILLER HOSE AT THE TANK.MAKE SURE ALL FUEL LINES DISCONNECTED.REMOVE THE FUEL PUMP ELECTRICAL CONNECTOR.MAKE EXHAUST PIPE NOT IN THE WAY.TANK SHOULD DROP ONCE YOU REMOVE THE SUPPORT STRAP BOLTS.

Aug 25, 2009 | 1991 Pontiac Firebird

1 Answer

Battery wont charge


voltage regulator needs replaced

Jan 30, 2009 | 1991 Pontiac Firebird

2 Answers

Idleing Problems Need help


I had the same problem when I first got my firebird. All I did to mine was change the Spark plugs and wires, and had a mechanic friend of mine check and set the timing. since then I haven"t and problem with the idleing on my car. Personally I would also change out the cap and rotor, and see if that helps.

Jun 06, 2008 | 1991 Pontiac Firebird

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