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Old 06-24-2009, 04:38 PM   #1
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89 Formulas all TPI equipped?
Sorry for the newby question. Looking at an 89 305, however the engine doesn't have the tpi. Guy says it's the original engine, but I thought all 89's had the tpi.

Any help is appreciated.
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Old 06-24-2009, 05:08 PM   #2
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Re: 89 Formulas all TPI equipped?
no, you could get the 305 TPI, 350 TPI or 305 TBI. the TBI will have the large round aircleaner assembly.

It could also be just a base firebird with the 305TBI, people call them formulas all the time.

If the car has the ground effect package it is not a formula.
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Old 06-24-2009, 05:11 PM   #3
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Re: 89 Formulas all TPI equipped?
That helps. It is a Formula, stickers to match.
Last edited by Sapdog; 06-24-2009 at 05:39 PM.
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Old 06-26-2009, 04:00 AM   #4
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Re: 89 Formulas all TPI equipped?
The '87 Formula's base engine was the LG4 carb.

The '88-'92 Formula's base engine was the LO3 TBI.

The TPI engine was the optional upgrade.

The only f-bodies that TPI was the only engine available was the '90-'92 Z28, Trans Am, and GTA.
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Old 06-26-2009, 12:43 PM   #5
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Re: 89 Formulas all TPI equipped?
Quote:
Originally Posted by Kevin91Z View Post
The '87 Formula's base engine was the LG4 carb.

The '88-'92 Formula's base engine was the LO3 TBI.

The TPI engine was the optional upgrade.

The only f-bodies that TPI was the only engine available was the '90-'92 Z28, Trans Am, and GTA.
Any suggestions for how I can research what a car is worth? I've been looking on line and prices are all over the place.

Thanks.
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Old 06-26-2009, 12:43 PM
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