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1971 Chev/GMC Truck C30 5.7L Gear ratio
Please help. I have this truck in the shop with a blown engine. It blew because the gears are so low, the engine overspeeds. The ratio is 6.17 from the factory. The big problem is, the rear is also odd from the factory. This truck has 19.5' tires on 10 lug...
FIX posted 1/8/1999
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Message Closed w/FIX
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| VIN | CE303T1126 |
| Engine | 5.7 L / 8 cyl |
| Affected | Gear Ratio |
| Conditions | Too Low |
| Misc. | Dual Rear Wheels 4X2 |
Message Closed w/FIX
Vehicle Data
1971 Chev/GMC Truck C30
| VIN | CE303T1126 |
| Engine | 5.7 L / 8 cyl |
| Affected | Gear Ratio |
| Conditions | Too Low |
| Misc. | Dual Rear Wheels 4X2 |
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