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Old 02-01-2008, 08:25 AM   #4
snj8198
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Join Date: Feb 2007
Location: Star Valley, WY
Posts: 2,038
Re: sm465 swap to a nv4500

i used an AA bellhousing that allowed me to use my mechanical clutch, and i purchased a custom TC casing that bolted directly to the NV4500 tailhousing which eliminated both the need for an adapter as well a female coupler. i've read responses from others how time consuming and arguous setting up a custom hydraulic clutch can be, and i'm sure they have there benefits, however i haven't had any problems with my mechanical set up and it was pretty straight forward. just bolting on an overdrive unit would probably be cheaper over a 5 speed swap, but the NV4500's sychronized gears, spacing and OD over the SM465 are worth the extra $$ imo.
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Steve
1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's
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