[NM] Hypertech Thermomaster 128922 - IROC,GTA,TA,Formula 1989 w/ 5.7
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Joined: Feb 2013
Posts: 153
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From: Tijeras, NM
Car: 89 Black GTA
Engine: 'close to' stock 5.7 but trending>>
Transmission: 700
Axle/Gears: 3.27
Hypertech Thermomaster 128922 - IROC,GTA,TA,Formula 1989 w/ 5.7
Was in '89 GTA. Brings fans in early for extra cooling, brings spark in early and adds fuel during acceleration. Definitely adds performance. Am programming my own chips now, so dont need this. $75
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