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Why didnt the Z/28 get a 5.7

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Old 07-17-2005, 12:21 PM
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Car: 86 sports coupe-83 berlinetta
Engine: 5.0 in the sports coupe-350 in the berlinetta
Transmission: 700r4 in the sports coupe-turbo-350 with a 2500 stal in the berlinetta
Why didnt the Z/28 get a 5.7

For the 87 model yr? Why know optional 16 inch wheel? The trans Am had an optional 5.7 and 16 inch wheels.
Old 07-17-2005, 01:24 PM
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Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Because it was all gear that separated the IROC from the Z28.
Old 07-17-2005, 05:49 PM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
I didn't think that the Trans Am could get the 5.7 since the GTA came standard with it. I know the 16" wheels are an option, but not the engine, I could be mistaken though. The 350 was an option on the Formula
Old 07-18-2005, 09:50 PM
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Originally posted by Klortho
I didn't think that the Trans Am could get the 5.7 since the GTA came standard with it. I know the 16" wheels are an option, but not the engine, I could be mistaken though. The 350 was an option on the Formula
The 5.7 was available on the T/A too.
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