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#1 |
Junior Member
Join Date: Jun 2000
Location: Oakridge, Oregon
Posts: 138
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5 speed/OD conversion for 4wd
picked up a 69 gmc 4wd with 4 speed manual.was wondering if anyone knows of a 5 speed with overdrive conversion or kit that would work with these trucks. i know of the richmond gears 5 speed forcars,not sure for the trucks with 4wd. i also know of the nv4500 from newer trucks,but thats a bit pricey since ill be just selling truck once its finished. any help would be appreciated..thx paul
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#2 |
Registered User
Join Date: Oct 2000
Location: St. Johns, Arizona
Posts: 2,660
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Re: 5 speed/OD conversion for 4wd
Pretty much anything is going to involve an adapter, and probably changing driveshaft lengths. I know there is an adapter for the NV4500 to the NP205 from Advanced Adapters.
I've toyed with the idea of using a newer 5-speed/tcase and using a front axle from a Ford, since it has the pumpkin on the driver's side, but usually I decide I don't want to do that.
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my 2¢ - t.i.o.l.i. Bowen 1968 K20 fleet 1969 K10 swb fleet 1972 K10 Suburban 1972 C10 lwb step 1992 K1500 'burb 1995 K2500 'burb 1997 C1500 'burb 1999 K1500 2000 K1500 'burb Why do I own so many Suburbans? |
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#3 | |
Registered User
Join Date: Nov 2005
Location: Park Rapids, MN
Posts: 288
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Re: 5 speed/OD conversion for 4wd
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1969 K20 not running, complete but rusty with wrecker boom and push bumper 1969 GMC C20 un-molested rust free original paint "a 4 eyed girl named 'Tina" 1971 Chev K20 4X4 Box Delete Commercial Truck Flatbed "Choose a job you love, and you will never have to work a day in your life." Confucius |
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#4 | |
Registered User
Join Date: Oct 2000
Location: St. Johns, Arizona
Posts: 2,660
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Re: 5 speed/OD conversion for 4wd
Quote:
Primarily, I don't want to get rid of my NP205. Well, and I'd hate to have to tell someone that I had a *cough* Ford axle in my Chevy. Not that I have anything against Fords...
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my 2¢ - t.i.o.l.i. Bowen 1968 K20 fleet 1969 K10 swb fleet 1972 K10 Suburban 1972 C10 lwb step 1992 K1500 'burb 1995 K2500 'burb 1997 C1500 'burb 1999 K1500 2000 K1500 'burb Why do I own so many Suburbans? |
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#5 | |
Registered User
Join Date: Nov 2005
Location: WV
Posts: 227
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Re: 5 speed/OD conversion for 4wd
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1993 K1500 350 5 speed ![]() 1985 K10 Silverado Vortec 406 5 speed (in body shop) "I been drivin' this '85 pickup truck Them buddies of mine call it a bucket of rust She's a little beat up but she still runs like the wind Yeah, kinda like me I been banged and bruisedBeen around the block a time or two But I'm runnin' like new goin' places I never been No, I ain't broke I'm just broken in" 1963 Dodge Townwagon(its amazng what 30 years and zero miles will do to a vehicle ![]() Member#20327 Last edited by Chevrolet4x4s; 01-29-2006 at 10:23 PM. |
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#6 |
Registered User
Join Date: Mar 2005
Location: Just outside Durham, NC
Posts: 894
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Re: 5 speed/OD conversion for 4wd
what he said....you will need an adaptor......there is no CHEAP way to do it....it can be done relatively inexpensively....but not completely with parts from a pick and pull.....honestly the cheapest of the cheap ways might be to do a body swap onto a late model as anything else (at least that I have come across) will either involve adaptors and an NV4500 or replacing multiple parts of the drivetrain.....If I am wrong...PLEASE let me know....as I would like to do a similar swap.
An aux. overdrive might be the easiest method....but to cut down on the adaptors you will need a divorced unit like Vtblazer has....and he still have to have a $300 shorty slip yoke fabbed up.
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1969 SS 350 Camaro Sold 2008 1970 3/4T K20, stock height with 33's, 250 I6, 3 on the tree, and locked front and rear 4.10's ![]() 1980 Chevy Malibu 2 dr Sold 2007 1993 Olds. Cutlass Ciera Wagon Traded 2006 2003 Saturn L200 w/5pd. D/D My list spans 5 decades with One common thread.....GM! |
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#7 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,553
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Re: 5 speed/OD conversion for 4wd
Gear Vendor if it is a long bed. No OD in 4x4 though.
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#8 | |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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Re: 5 speed/OD conversion for 4wd
Quote:
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1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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#9 |
Junk/Daily Driver Club
![]() Join Date: Feb 2004
Location: Manheim, PA 17545
Posts: 253
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Re: 5 speed/OD conversion for 4wd
Just use a divorced NP-205 behind any 2WD trans you want.
Later Willis
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Daily Driver: 1970 C-20 400 sbc,sm-465,Dana 61 one ton SRW rear, 3.07 gears, locker. ![]() There are three kinds of people: those who make things happen, those who watch things happen, and those who have no idea what happened! |
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#10 |
Post Whore
![]() Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: 5 speed/OD conversion for 4wd
Make sure you know which transfer case you have - it likely has a Rockwell T221 and finding an adapter for it that would work with a 5 speed is probably gonna require a custom adapter - that will be dang expensive.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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#11 |
Registered User
Join Date: Sep 2002
Location: Liberty, Mississippi
Posts: 671
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Re: 5 speed/OD conversion for 4wd
The 81 and later manual trans 208 case will bolt directly to an NV4500. This is what I did on my conversion from an SM465
Virgil |
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