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#26 |
Registered User
Join Date: Oct 2006
Location: Simpsonville, SC
Posts: 255
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Re: Anyone running a sm465?
well, i think that's what i have. the ID plate on the PS of the tranny has mulitple numerics on it, one seems to be the date, another is 435 and there is a GL on the plate as well. looked in the owner's manual and found what i thought was a match with the NP435GL. not 100% sure, but it seems to make sense.
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1969 GMC 3/4 ton, 307, 4-speed NP435GL, DANA 60, 4.10, HD rear leafs, manual everything, leaking oil and water. Now rocking 383, NV4500, power steering, power brakes. Finally undergoing restoration. |
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#27 |
Registered User
Join Date: Apr 2006
Location: Bellflower
Posts: 79
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Re: Anyone running a sm465?
i like the 465 because its such a heavy duty transmission, its one of the last things i worry about breaking on my truck.. but i personally dont like it for a daily driver because it has a short second gear and then third gear is geared far away from second so it sucks for acceleration. it kinda lugs the engine down when shifting from second in to third. third to fourth isnt that bad though. I just had mine rebuilt and i have about 3,000 miles on it now.. if i wouldnt of searched for a 30 spline output shaft sm465 and spent money to have it rebuilt, i think i would switch to a th400 just because i drive my truck everyday everywhere and would like the auto + the different gearing..
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#28 |
Senior Member
![]() Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,873
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Re: Anyone running a sm465?
The granny low on those is just right for the freeways in L.A. too. Just merge into traffic,and if you have your idle speed set right,just leave it in granny all the way into L.A.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. |
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