Swapping 1992 5 speed/transfer case into 72 ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

RShaips · 10-31-2006, 08:39 PM

I am building a 1972 1/2 ton 4x4 4 speed truck and may have the oportunity to get a 1992 1/2 ton 4WD truck from my brother in law real cheap. It has a 5 speed transmission that is making lots of noise when its in gear but quits when you push the clutch in. I'm thinking it might just need a new throwout bearing and clutch plate. Although it does have 300,000 miles on it! How hard are these to rebuild and how difficult of a swap is this ? My truck has the body off now and this is the time to make changes.Thanks for the help.

qksilver · 10-31-2006, 08:46 PM

Check with the $x$ forum, I think a couple of guys have done the swap. Plus somebody here did a faq with pictures on a 2wheel drive. Follow what they did and use the transfercase crossmember in the 72

*trkklr77* · 10-31-2006, 09:56 PM

well right off the bat you have a serious compatability issue, '92+ chevy any thing is a drivers side tcase and '91 v subs/blazers and '87 v p/u are all passenger side tcases and axles. chevy never made a d-side solid axle truck so you are either going to have to use a ford axle or a older tcase.

RShaips · 10-31-2006, 10:13 PM

Can I use the 5 speed transmission with my NP 205 transfer case? Thanks for the info

*trkklr77* · 10-31-2006, 10:50 PM

it can be done but it will cost you, advanced adapters should have the stuff you need.

Americanrider · 11-01-2006, 02:40 AM

You want to make sure that is a NV4500 tranny. If it's not then it's going to be a waste of money IMHO. Seeing that you parts truck is a 1/2 ton I think you might have a one-piece Getrag 5 sp there. Also called a M-5 something or other... They don't hold up to towing/hard 4 wheeling very well and they are 7-900 bucks to replace when they die. No one will rebuild them so you have to buy another from a dealer or junk yard. I have be there-done that with a 91 K10 I owned a few years back. The NV 4500 5 speed is the one you really want, found in 92 & up 3/4 & 1 tons.

RShaips · 11-01-2006, 09:38 AM

So I guess its really not worth trying. I don't have unlimited $ I will probably buy the truck anyway and just fix it and use it. Thanks for the help

woodridge · 11-01-2006, 01:04 PM

Quote:

Originally Posted by Americanrider

You want to make sure that is a NV4500 tranny. If it's not then it's going to be a waste of money IMHO. Seeing that you parts truck is a 1/2 ton I think you might have a one-piece Getrag 5 sp there. Also called a M-5 something or other... They don't hold up to towing/hard 4 wheeling very well and they are 7-900 bucks to replace when they die. No one will rebuild them so you have to buy another from a dealer or junk yard. I have be there-done that with a 91 K10 I owned a few years back. The NV 4500 5 speed is the one you really want, found in 92 & up 3/4 & 1 tons.

I agree, the "muncey" as it so lovingly called sometimes is extremely difficult to get apart a reassemble and parts are very expesnsive. The noise you described would not be a release bearing or clutch but most likely a bearing inside the tranny.

RShaips · 11-06-2006, 11:20 PM

OK I bought the truck. It runs and drives great, pretty rough though, Anyway The tranny sounds like it is going to fly apart at any minute. Talked to a transmission shop and they told me the same thing you guys did, very expensive ! So my kid comes home today and says he found me a transmission, or should I say another truck with a 5 speed in it. The truck is an 88-92 shortbed 2WD SS that is running and driveable even though it has been rolled. The transmission works fine. Is this the same transmission thats in the 4WD that I have ? If so I can buy the complete truck for $300 - $400 and take the tranny and part out the rest of it. Thanks

10-31-2006, 08:39 PM	#1
RShaips Senior Member Join Date: Jun 2002 Location: Augusta Missouri Posts: 804	Swapping 1992 5 speed/transfer case into 72 ? I am building a 1972 1/2 ton 4x4 4 speed truck and may have the oportunity to get a 1992 1/2 ton 4WD truck from my brother in law real cheap. It has a 5 speed transmission that is making lots of noise when its in gear but quits when you push the clutch in. I'm thinking it might just need a new throwout bearing and clutch plate. Although it does have 300,000 miles on it! How hard are these to rebuild and how difficult of a swap is this ? My truck has the body off now and this is the time to make changes.Thanks for the help.

10-31-2006, 08:46 PM	#2
qksilver Senior Member Join Date: Dec 2004 Location: Southern Pines NC Posts: 3,853	Re: Swapping 1992 5 speed/transfer case into 72 ? Check with the $x$ forum, I think a couple of guys have done the swap. Plus somebody here did a faq with pictures on a 2wheel drive. Follow what they did and use the transfercase crossmember in the 72

10-31-2006, 09:56 PM	#3
trkklr77 Account Suspended Join Date: Aug 2006 Location: vacaville ca, because it as far from indy as i can be Posts: 777	Re: Swapping 1992 5 speed/transfer case into 72 ? well right off the bat you have a serious compatability issue, '92+ chevy any thing is a drivers side tcase and '91 v subs/blazers and '87 v p/u are all passenger side tcases and axles. chevy never made a d-side solid axle truck so you are either going to have to use a ford axle or a older tcase.

10-31-2006, 10:13 PM	#4
RShaips Senior Member Join Date: Jun 2002 Location: Augusta Missouri Posts: 804	Re: Swapping 1992 5 speed/transfer case into 72 ? Can I use the 5 speed transmission with my NP 205 transfer case? Thanks for the info

10-31-2006, 10:50 PM	#5
trkklr77 Account Suspended Join Date: Aug 2006 Location: vacaville ca, because it as far from indy as i can be Posts: 777	Re: Swapping 1992 5 speed/transfer case into 72 ? it can be done but it will cost you, advanced adapters should have the stuff you need.

11-01-2006, 02:40 AM	#6
Americanrider Registered User Join Date: Dec 2004 Location: NW, WA. Posts: 1,421	Re: Swapping 1992 5 speed/transfer case into 72 ? You want to make sure that is a NV4500 tranny. If it's not then it's going to be a waste of money IMHO. Seeing that you parts truck is a 1/2 ton I think you might have a one-piece Getrag 5 sp there. Also called a M-5 something or other... They don't hold up to towing/hard 4 wheeling very well and they are 7-900 bucks to replace when they die. No one will rebuild them so you have to buy another from a dealer or junk yard. I have be there-done that with a 91 K10 I owned a few years back. The NV 4500 5 speed is the one you really want, found in 92 & up 3/4 & 1 tons.

11-01-2006, 09:38 AM	#7
RShaips Senior Member Join Date: Jun 2002 Location: Augusta Missouri Posts: 804	Re: Swapping 1992 5 speed/transfer case into 72 ? So I guess its really not worth trying. I don't have unlimited $ I will probably buy the truck anyway and just fix it and use it. Thanks for the help

11-06-2006, 11:20 PM	#9
RShaips Senior Member Join Date: Jun 2002 Location: Augusta Missouri Posts: 804	Re: Swapping 1992 5 speed/transfer case into 72 ? OK I bought the truck. It runs and drives great, pretty rough though, Anyway The tranny sounds like it is going to fly apart at any minute. Talked to a transmission shop and they told me the same thing you guys did, very expensive ! So my kid comes home today and says he found me a transmission, or should I say another truck with a 5 speed in it. The truck is an 88-92 shortbed 2WD SS that is running and driveable even though it has been rolled. The transmission works fine. Is this the same transmission thats in the 4WD that I have ? If so I can buy the complete truck for $300 - $400 and take the tranny and part out the rest of it. Thanks



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