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Old 08-16-2020, 08:30 PM   #1
kipps
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88-91 sm465 question

Did this transmission have a cast iron top, or an aluminum top?

Was the shift position in the same place as the rest of squarebody trucks, or did it move rearward like the gmt400 trucks of the same year range?

I'm compiling some sm465-nv4500 swap info, and I'm missing this piece of information.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!
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Old 08-25-2020, 10:50 PM   #2
v30crewcab
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Re: 88-91 sm465 question

cast iron. same position. only one that's aluminum and different position is in the 88-92ish new body trucks.
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Old 08-30-2020, 10:06 PM   #3
kipps
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Re: 88-91 sm465 question

Thanks for the info! That's what I was figuring, but I couldn't confirm on my own.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!
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