[MI] FS: Hypertech 121372 305 TBI Chip
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Joined: Feb 2008
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From: Michigan
Car: '91 Firebird
Engine: 305 TBI w/LT1 cam
Transmission: T5 swapped in
Axle/Gears: 9 bolt 3.27 w/discs
FS: Hypertech 121372 305 TBI Chip
Selling a Hypertech Thermomaster chip, part number 121372
Fits 1991 LO3 (305 TBI) 5-speed. Will it work other years? Not sure, thats what is printed on the box. Worked fine in my car but changed to a custom tune w/my new cam. Have original box and papers.
$50 shipped in the USA
Fits 1991 LO3 (305 TBI) 5-speed. Will it work other years? Not sure, thats what is printed on the box. Worked fine in my car but changed to a custom tune w/my new cam. Have original box and papers.
$50 shipped in the USA
Last edited by gearheadotaku; Apr 8, 2015 at 06:53 PM.
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