Rear End Gear Ratio?

Tiny
ZDIETRICH
  • MEMBER
  • CHEVROLET SILVERADO
I've recently bought a used 97 Chevy truck with the 5.7L, 2wd, auto trans. I'm trying to figure out what gears I've got in the rear end. The manual says there are 3 gear sets that it could be.308, 342, or 373 gears. Does something in the VIN tell you? The VIN is 2GCEC19R7V1246933.
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Wednesday, July 18th, 2007 AT 2:36 PM

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Tiny
DENNYP
  • EXPERT
You have the GT4 rear axle with a 3.73 ratio.

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VIN 2GCEC19R7V1246933
VEHICLE BUILD
Merchandising Model : CC10753 -1997 EXT CAB SWB FLEETSIDE PICKUP
Gross Vehicle Weight Rating : 2815 kg (6207 lb) Order Number : 6676TB
Build Date : 05/05/1997 Build Plant : 2V153
GMVIS is not the definitive source of GM Vehicle RPO information and is intended for service reference only. Should there be any questions about the vehicle's original build or RPO information please refer to the original vehicle invoice or window sticker.
OPTION CODES
AE7 - SPLIT BENCH RECLINING FRT SEAT AJ1 - DEEP TINTED GLASS
AM7 - FOLDING REAR SEAT AU0 - REMOTE KEYLESS ENTRY
AU3 - POWER DOOR LOCK SYSTEM A20 - SWING OUT QUARTER WINDOWS
A31 - POWER WINDOWS B32 - FRONT COLOR-KEYED FLOOR MATS
B33 - REAR COLOR-KEYED FLOOR MATS B85 - BRIGHT BODY SIDE MOLDINGS
B96 - WHEEL OPENING MOLDINGS C60 - AIR CONDITIONING
D48 - DUAL ELECT REMOTE CONT MIRRORS E24 - EASY ACCESS SYSTEM/THIRD DOOR
E63 - FLEETSIDE BODY FE9 - FEDERAL/NEW YORK/MASSACHUSETTS EMISSIONS
GT4 - REAR AXLE - 3.73 RATIO JB5 - VAC POWER DISC/DRUM BRAKES
KNP - HD AUXILIARY TRANSMISSION COOLING SYSTEM K34 - ELECTRONIC SPEED CONTROL
K60 - 100 AMP DELCOTRON GENERATOR L31 - VORTEC 5700 V8 SFI ENGINE
M30 - 4 SPEED ELECTRONIC AUTOMATIC TRANSMISSION WITH OVERDRIVE NA1 - LIGHT DUTY EMISSIONS
NF2 - FEDERAL EMISSION SYSTEM NP5 - LEATHER WRAPPED STEERING WHEEL
NRQ - CLOSE COUPLED EXHAUST N33 - COMFORTILT STEERING WHEEL
N90 - CAST ALUMINUM WHEELS OSG - OSHAWA PLANT
Q4B - 6,200 LB GVW RATING RSA - PASSIVE AUTO FRT SEAT RESTRAINT
SLM - STOCK ORDERS UP0 - AM/FM STEREO W/CASS & CD PLAYER (REPLACES RADIO IN OPTION PACKAGE)
UQ3 - ENHANCED AUDIO SPEAKERS VB3 - CHROMED REAR STEP BUMPER WITH RUB STRIP
VG3 - FRONT DELUXE CHROMED BUMPER WITH RUB STRIP VK3 - FRONT LICENSE PLATE MOUNT
VXS - COMPLETE VEHICLE LABEL V22 - DELUXE FRONT APPEARANCE
V73 - STATEMENT OF VEHICLE CERT.-U.S. /CANADA XFN - P235/75R 15 WL FRT TIRES
X88 - CHEVROLET CONVERSION YD3 - BASE EQUIP FOR SCH GVW PL-FT AX
YD6 - BASE REAR SPRING YE9 - SILVERADO
YFN - P235/75R 15 WL REAR TIRES ZFN - P235/75R 15 WL SPARE TIRE
ZQ3 - TILT STEERING AND SPEED CONTROL ZY1 - SOLID PAINT
1SB - PREFERRED EQUIPMENT GROUP REJECT 1SZ - PREFERRED EQUIPMENT SAVINGS
35U - MED BLUE-GREEN METALLIC 52D - NEUTRAL CUSTOM CLOTH TRIM
52I - NEUTRAL INTERIOR TRIM 6WW - FRONT SPRING SELECTOR LH
7WW - FRONT SPRING SELECTOR RH

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Saturday, September 29th, 2007 AT 4:29 PM

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