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RPO Codes for Rear End Gearing
I have looked around the site but can't seem to find the RPO codes to determine gearing in my truck. I have a 94 GMC K1500 ECSB 6 lug with the 5.7 did those come with more than one gear ratio? It has a limited slip rear end but not sure if it's a 3.73, seems those are the most common in these...- napoleon.hardy
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- Replies: 3
- Forum: Axles + Brakes
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Noise from the rear of my GMT-400 ECSB 4X4
I have been hearing a noise from the rear of my truck for about a month. Sometimes it was not there but within the last week it was louder and i could feel a knocking in my left foot when i had it flat on the floorboard. I jacked it up off the wheels and wiggled the driveshaft and the rear...- napoleon.hardy
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- Replies: 2
- Forum: Stock Suspension + Bolt On Kits
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My 1994 GMC ECSB Rebuild Slow and Steady
Well I joined the forum a couple weeks ago and have been reading threads like crazy. There are tons of great looking OBS trucks in here and the more I look the more I get confused on which route to take. I am creating a laundry list of repairs starting with the body rust. It has the standard cab...- napoleon.hardy
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- Replies: 22
- Forum: Member Trucks
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My 1994 GMC ECSB Rebuild Slow and Steady
Well I joined the forum a couple weeks ago and have been reading threads like crazy. There are tons of great looking OBS trucks in here and the more I look the more I get confused on which route to take. I am creating a laundry list of repairs starting with the body rust. It has the standard cab...- napoleon.hardy
- Thread
- Replies: 3
- Forum: Offroad Build Threads
