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CNG in 3rd gen?

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Old 02-01-2011, 07:16 PM
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Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
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CNG in 3rd gen?

I'm thinking of putting Compressed Natural Gas into a third gen.What ya all think?
Old 02-01-2011, 07:59 PM
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Car: 1991 Firebird
Engine: 3.1L +bolt ons
Transmission: 700R4
Axle/Gears: Moser forged, 3.73, SLP posi
Re: CNG in 3rd gen?

Expensive to convert, poopy mileage, limited fill up stations.

I looked into it a while back for my wife's car. We have a ton of CNG stations, and it is 95 cents for a gallon equivalent. The down side is it would no longer be road trip friendly. Also the trunk kinda disappears and becomes the new tank setup. On the other hand, the engine will basically live forever, and your resale value will actually go up.

Do a LOT of research before you decide.....
Old 02-02-2011, 05:52 PM
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Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: CNG in 3rd gen?

I've heard you can set up for bi fuel running.Push of a button and it changes from one fuel to the other.I'd give up my trunk.I did hear also HP goes down.But if the push of a button thing works and gas prices go up,It night be worth a try.
Old 02-06-2011, 01:25 AM
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Car: 85 2M6 Fiero, 06 2500 HD, 88 'burb
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Axle/Gears: 3.63, 4.10 14 bolt
Re: CNG in 3rd gen?

propane is a popular option in the off road and industrial worlds, and I know there are dual fuel kits fir it.
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