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#1
06-28-2005, 08:57 PM
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gas mileage's on the firebirds...
im lookin into buyin a 91-02 firebird and want to kno wats the mpg on it? lookin at the V6 3.8L engine.... and V8 5.7L
also wen buyin a firbird wat should i look out for? dont wanna spend more then 8500 on it..sounds good? 
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#2
06-29-2005, 08:02 AM
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Re: gas mileage's on the firebirds...
I've got a 99 with a 3.8. I get about 20 city and upper 20's to 30 or 31 sometimes on the highway. Also the 3.8 calls for regular unleaded and the 5.7 wants a higher octane gas.
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#3
06-29-2005, 09:59 AM
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Re: gas mileage's on the firebirds...
if you want a 3.8 you're going to need atleast a 98, before then was the 3.4
__________________
future mods: Pacesetter Headers Magnaflow Exhaust Jet Performance Chip Ram air hood w/ functional air box
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#4
06-29-2005, 12:17 PM
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Re: gas mileage's on the firebirds...
The LT1 runs regular, however because of the high compression its always a good idea to run high octane due to the high compression ratio. Also the 3.8 was available starting 95, the 3.4 was discontinued in the F-body starting 96.
__________________
RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart. Mods: Weight reduction (I don't wear underwear)
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#5
06-29-2005, 10:16 PM
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Re: gas mileage's on the firebirds...
My 1999 Trans Am got 31 MPG on the highway before the cam, 27 MPG after the cam.
Most recent mileage.....22.5 MPG mixed. That includes a couple WOT runs.
__________________
1999 Pontiac Trans Am WS.6 #1747 Stock'ish'
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