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Swapped BW 2.77 to BW 3.27 (g92) 1989 iroc

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Old May 28, 2012 | 09:15 PM
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johnnymotz27's Avatar
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From: Woolwich NJ
Car: '89 L98 G92 Iroc /'11 GS Vett
Engine: L98/LS3
Transmission: 700R4/M6
Axle/Gears: 3.27 B.W./3.42
Swapped BW 2.77 to BW 3.27 (g92) 1989 iroc

My question is I have a 1989 5.7 iroc 2.77 BW rear that has been swapped to the G92 3.27 rear. I see there are two proms for 89 5.7L. Should I have changed my prom? If so what will I gain and what will I lose by sticking with my standard prom.

16129303 5.7L 2.77 rear (my original prom in car)
16129307 5.7L 3.27 (g92) rear
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