09-28-2007, 07:56 PM
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Join Date: Jul 1999 Location: 51°N 114°W, 3500'
Posts: 13,970
Car: 87 IROC L98 Engine: 582 Alcohol BBC Transmission: Powerglide Axle/Gears: Ford 9"/31 spline spool/4.86 | Re: RPO code G80 on iroc
Posi is the GM name for a LS differential.
All third gen diffs will interchange into another third gen. The only issue may be brake lines or park brake cables as they changed slightly over the years.
__________________ Hardtail Racing
All engine, no power adders! Bests: 9.029@150.45 (at altitude)
Theoretical sea level performance 8.623@157.05  |
 
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