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Gear ratio for 1993 wagon with pos.

wheelman

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1
Buick Ownership
Buick
Anybody know what the gear ratio was for 93 roadmaster... oh.. it's got positraction also
 

HotZ28

Full Member
7,207
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1996 Roadmaster Limited Collectors Edition 58k - 1996 PAU
More than likely, 2.93 ratio, but that can be determined by the SPID code on the rear truck lid,
 

MelsRegal

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Regal GS 2017
You can also jack up the rear of the car, place a chalk mark on the driveshaft and with the car in neutral, parking brake released, rotate a rear tire one complete turn while counting how many times the driveshaft turns. 3 turns would be the 2.93 ratio.
 

Bigpower

New member
4
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Ray MI
Buick Ownership
Roadmaster Limited
Find this sticker in you're car, on my 94 sedan, it's in the trunk, underside of the lid.....axle codes usually start with the letter G. Mine is a GW9, 2.93 gear
..20191030_203749.jpg
 
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