Quote:
Originally Posted by 91Bird305
If I have a set of ported stock iron heads, would going to a set of champion aluminum heads really make a difference?
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no aluminum heads for the TA...they will be GN heads and would require different headers and will change your compression ratio. Also no AC either with the GN heads and probably a coustom DP as well. Stock the TTA made more power anyway and part was do to the head design. If you are running a GN motor and heads then I think is just a savings of weight for the most part and probably not worth the difference in cost.
just my .02
Scott
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Scott89TTA
1989 TTA #1376
48K...GT6776e, RJC MBC, Alky Control, Scanmaster 2, LT1 MAF w/Translator, 3" MAF pipe w/K&N X-Steam, 3" Up-Pipe, 3" S/S Action Fab DP, 3" Test Pipe w/QTP electric cutout, 100# valve springs, RJC PP, 60# Motrons, Walbro 340M w/Racetronix hotwire, 160 deg t-stat, TurboTweak 93/Alky chip, Anderson Performance Trans w/StageRite Brake, Billet TCS 9/11 3400-3600 converter, PTS Aluminum Pan, M/T DR's 255/50-16.
P&P heads and cam next Winter if all goes well 
1987 Fiero GT Turbo
40K...Burgundy, 5-Spd, Miller-Woods Stage II Turbo kit, Center Force clutch, Bilsteins, heavy sway bars, IRM side scoops, Michelin Pilots.
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