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04-02-2004, 12:47 AM
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#1 |
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Registered User
Join Date: Jun 2002
Location: Show Low, Arizona
Posts: 211
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transmission
i have the 4 speed with granny tranny, i can never remember the name of the dumb thing, its very common, has the two pto side plates and it s in my 71 truck. my ? is ,is there a tranny thats a direct bolt on maybe a little modifacation, that has the 5 speed mine runs at 2850 @ 65 3000 @ 70 to 75 mph, if there is, what is the name of the tranny? are they rare? are they expensive? are they heavy duty? just want to save a little on gas, plus im gonna put a tpi to help with the gas problem also./ any help would be great.
 
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04-02-2004, 02:02 AM
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#2 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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the tranny you have is the SM465. there are a few options for a 5 speed swap, most commonly talked about is the NV4500 out of a newer Chevy or Dodge pickup. they are basically like the SM465 (granny low in 1st) except they have the overdrive 5th gear. there are also others, such as Clark, Spicer, and Fuller 5 speed overdrives out of older trucks.
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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04-02-2004, 04:00 AM
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#3 |
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Registered User
Join Date: Jun 2002
Location: Show Low, Arizona
Posts: 211
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tranny
are these trannies a direct bolt up? which of these are the best? will they help with my gas milage? will my 4x4 hook up to these trannies? whats a good ballpark on a price for one of these things? do you have one? im in az 85902, can one of these trannies be shipped? which one is the most heavy duty? sorry bout all the questions, but i have to learn as much as i can bout this old truck, ive owned it for 14 years now , oh will the truck still cruz down the road the same? will i still beable to pull heavy loads without any problems? any other info you know about them would be appreciated. thanks, 71
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04-02-2004, 06:40 AM
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#4 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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The NV4500 is a truck transmission, available in 1 ton trucks. I think it has since been phased out. Have you been following project super burb in Four Wheeler? They swapped in a NV4500 and kept the NP205 transfer case. It is not a direct bolt-in but advanced adapters makes the brackets needed. The NV4500 and NP205 were never mated together from the factory. As far as bolting the NV4500 to your SBC I'm not sure if there are any concerns, but you'll end up with a hydraulic clutch.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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04-04-2004, 12:28 AM
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#5 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,466
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I have a 4500 in my 70 4x with the stock clutch linkage, cost me a belhousing from Advance though.
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04-04-2004, 01:34 AM
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#6 |
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Registered User
Join Date: Jun 2002
Location: Show Low, Arizona
Posts: 211
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tranny
ok guys im seriously curious now! how much does one of these trannies cost and all the parts , can some one give me a parts list of what i need to change out these trannies, how much work is involved and how much modification? thanks boyz
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