dcmaynard

How do I find what gears are in my truck. I have to options of 3.73,3.42.
The truck is a 97 1/2T with the 5.7L engine

abaird

Look at the glove box sticker for the RPO codes.
GT4 = 3.73
GU6 = 3.42

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2009 Silverado 1500
1993 Taurus SHO
2005 Yamaha GP1300R

dcmaynard

So GT4 is the 3.73 gears which allows me to tow 6500lbs?

777stickman

Your Owners Manual should have a section on towing capacity. It all has to do with the truck GVW rating, engine size and gear ratio installed.

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"R57 3CAR" 210 2dr post. 420HP 355 F/I 4sp 3:42 posi. (Dale Earnhardt tribute done by me.)
75 GMC Vandura 3/4 Ton
78 Chevy K5 Blazer
98 Chevy K2500 Suburban LT/7.4
05 Dodge Ram 3500/Cummins (Wifes horse hauler)