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change in 86tpi to 88tpi

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Old 01-06-2005, 01:54 AM
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Car: 1986 Trans Am
Engine: 5.7L TPI
Transmission: T5
change in 86tpi to 88tpi

Whats the differance between the 86 tpi and the 88tpi that Vortec supercharger needs to specify for
Old 01-06-2005, 02:36 AM
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Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
V belts (86) vs. single serpentine belt (88)
Old 01-06-2005, 02:47 AM
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Car: 1986 Trans Am
Engine: 5.7L TPI
Transmission: T5
thats what i figured, but my fathers old 1987 Formula had a serpentine stock.. so i been confused by that

and the catalog says 1988-1992
Old 01-06-2005, 09:05 AM
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Car: 1987 GTA 350
Engine: L98
Transmission: 700R4/2400 stall
Axle/Gears: B/W 3:27 posi disc
A/C and the alt are on differant side of the car in 88. Up to 87 the a/c compresser is on the driver side and 88 and up it is on the pass side,vice versa for the alt.
Old 01-06-2005, 03:29 PM
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Car: 1986 Trans Am
Engine: 5.7L TPI
Transmission: T5
hmmm,

do they make a vortec setup for 86 then ?
i've already removed my AC setup, and i am installing a serpentine, so can i get away with using the 88-92 setup ?
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