What can be said about the 4-speed New Process NV833 overdrive manual transmission?

[Dazzoman]

Originally Posted by 65Robb

Ok sweet it is 2wd style an wanting to install one in a 65 c10

Sweet .
I can't wait to get back in California so I can start on it .(next month ) .
For now I'm in Wash State on vacation .
Had ordered (and have ) the shifter (1981 version) on Ebay .
One worry is if it will clear the bench seat ( of which I don't wanna get rid of ).
The pics of that 79 truck looked like there was just enough room .

[65Robb]

Heck yeah man it should they came in trucks with bench seats

[Dazzoman]

OK cool ... (crossing fingers ,, mine is an 1966 GMC 3/4 ton) .

[MusicMan70]

This is where the shifter location moved in my 61 GMC Suburban; Previously it had the SM420.

[65Robb]

Duded that is perfect location what did u have to do to make this transmission work in ur burban?

[MusicMan70]

65Robb,

There is a Board member named Brad54 who wrote an article how-to published in Custom Classic Trucks May 2009. That is exactly what I used and followed to put the transmission behind my GMC V6.

*There used to be a link to Custom Classic trucks I've posted from time to time, but now Hot Rod magazine owns it, and is still archiving articles, so the link no longer works.
Also if you find the old magazine be advised that the editing on the photos and captions are mixed up and may be confusing.


There is a mention of using a thin metal spacer /shim, for the GM application to stop a leak at the countershaft bore.

Here are photos of the magazine cover and article.

[MusicMan70]

Last few

[MusicMan70]

Also the seat you see in my suburban is a bench style seat that I moved back about 4" so don't use that for reference. The front seat bottoms on a Suburban are quite long so I'm not sure it would have worked, but you could always change out the shifter.

[65Robb]

Sweet thanks for all the help man

[Dazzoman]

Originally Posted by 65Robb

Duded that is perfect location what did u have to do to make this transmission work in ur burban?

woe woe WOE ...... that looks freakin SWEET ! The shifter I got on Ebay was -and is made from 'Hurst' and was contracted with GM for the 1981 Chevy - but I don't know ( after seeing this wonderful awsome photo that just might save my ass ) if that was for the Chevy Van OR PU ? The stick part on mine is rectangle bar unlike your rounded one in your 61 . It came with an fake leather ( rubber and still in great shape) boot .
Does anyone know if I got the wrong one or ?
But hey , with a little fabrication perhaps I'll be in good shape .

[65Robb]

well guys I finally found one after 10 months it wasn't too far just took a 7hour sunday drive to get it lol now just getting everything ready for the swap this winter

[Dazzoman]

Originally Posted by MusicMan70

Also the seat you see in my suburban is a bench style seat that I moved back about 4" so don't use that for reference. The front seat bottoms on a Suburban are quite long so I'm not sure it would have worked, but you could always change out the shifter.

Are you the one who showed me the pic about an month ago ? I had the 1966 GMC with an 292 .......
Well guess what ?
THE TRANSMISSION ARRIVED TODAY !
OK it wasnt as clean as yours and I didnt just pop in at a wrecking yard , I had to order from Kentucky !
I live in Sunnyvale CA .
Anyhow I am getting the nerve to do the dirty deed but ANOTHER question is can I re use my existing clutch or do I have to get an clutch cover ,pressure plate etc from an 1981 Chevy truck application ?
WHAT DID YOU HAVE TO DO ?
What about the cross member ?
HOme made ?
Teddy
Dazzoman

[Dazzoman]

Originally Posted by MusicMan70

Also the seat you see in my suburban is a bench style seat that I moved back about 4" so don't use that for reference. The front seat bottoms on a Suburban are quite long so I'm not sure it would have worked, but you could always change out the shifter.

Oh foc ! I hope not ..that means either that or I have to go w/ bucket seats- oF WHICH I DONT wann do or do some fab work .
How about the drive shaft & clutch stuff ?
WHat hapened to your pics you posted earlier of the floorboard ?
Can I see those again ?
Thanks,
Teddy
Dazzoman

[65Robb]

Dazzoman that's sweet man I got a 65 I'm doing the swap on this winter I actually found mine in Sacremento I'm excited to do this swap keep us posted on ur adventure an ill do the same..

[Dazzoman]

Originally Posted by 65Robb

Dazzoman that's sweet man I got a 65 I'm doing the swap on this winter I actually found mine in Sacremento I'm excited to do this swap keep us posted on ur adventure an ill do the same..

Ok great ! Lets compare notes and totes about any horrific things to conquer .
Again, are you the guy w/ the 1960 GMC Panel van ?
What engine ?

[65Robb]

Sounds great man an no I don't have a panel think that's either musicman70 or brad54 only two I have read that has done this swap in our era of trucks lol

[MusicMan70]

65Robb-Congratulationson on finding a Complete unit with the shifter and rods; That’s the tough part.

Dazzoman- Look at the article I posted up from Classic Trucks on how to proceed. (it’s hard on the eyes I know, but I haven’t been able to scan proper copies)
That was for a V8 but I think it would work for your 292 application. It’s what I read and followed to put the MY6 behind my stock GMC V6. My truck used the SM420. I had to use my stock bell housing because it’s GMC specific.
I also had a new driveshaft made and the transmission cross member I fabricated up. I have the X frame so yours should be easier.

[65Robb]

Thanks musicman70 an what I have found for crossmembers is a th350 will work as its the same tailhousing someone correct me if I'm wrong jist going off of what I have done research wise

[Gregski]

Originally Posted by 65Robb

well guys I finally found one after 10 months it wasn't too far just took a 7hour sunday drive to get it lol now just getting everything ready for the swap this winter

You did good man, well worth the drive, great that you got the shifter, the fingers / linkage, and even the bell housing

[Dazzoman]

Originally Posted by MusicMan70

65Robb-Congratulationson on finding a Complete unit with the shifter and rods; That’s the tough part.

Dazzoman- Look at the article I posted up from Classic Trucks on how to proceed. (it’s hard on the eyes I know, but I haven’t been able to scan proper copies)
That was for a V8 but I think it would work for your 292 application. It’s what I read and followed to put the MY6 behind my stock GMC V6. My truck used the SM420. I had to use my stock bell housing because it’s GMC specific.
I also had a new driveshaft made and the transmission cross member I fabricated up. I have the X frame so yours should be easier.

In 1987 I had to not only get the 292 but find an regular bell housing , swap out the 305-E V6 , mounts too had to be Chevy .
You said "MY6" , what is that ? I have just bought an NP440 transmission .
Had to find ( what I hope is ) the linkage on Ebay for an 1981 Chev Van NP440 application ( acording to the seller ) .
I hope I'm not off on what I got ...
I'll take some pics of the trans but the shifter is boiling in an hot tank this weeknd , can't snap a pic .

[MusicMan70]

You said "MY6" , what is that ?

Chevy units come in both Aluminum case for 2wd and Cast Iton for 4wd. GM RPO codes to look for are MY6 and MM7.

If yours looks like 65Robb's then you are OK.

[65Robb]

Thanks gregski it was just on luck i found everything lol I followed ur build on ur truck on the transmission swap I can't wait to do this swap lol

[Dazzoman]

Originally Posted by Gregski

You did good man, well worth the drive, great that you got the shifter, the fingers / linkage, and even the bell housing

That was 30 yrs ago and I just lived with the muncie 465 4 spd all this time .
I bought the truck in 1980 !
but Im scared s--t less because I still don't know if you can fit an 1981 NPR-440 trans ( see pic ) into an 1966 292 six banger that was once an 1966 305E V-6 . I can't remember that far back as to what I had to change .
But Im fretting about the throw out bearing , clutch cover , etc etc because it may not fit !!!

[Dazzoman]

Originally Posted by Dazzoman

In 1987 I had to not only get the 292 but find an regular bell housing , swap out the 305-E V6 , mounts too had to be Chevy .
You said "MY6" , what is that ? I have just bought an NP440 transmission .
Had to find ( what I hope is ) the linkage on Ebay for an 1981 Chev Van NP440 application ( acording to the seller ) .
I hope I'm not off on what I got ...
I'll take some pics of the trans but the shifter is boiling in an hot tank this weeknd , can't snap a pic .

Aaauuh yah IM looking for that magazine pages thing you posted ( I saw it yesterday) but its somehow not findable ....
Any clues ?
Cause Im not removing the seat, hump cover , etc and tearing into it until I know I have most of the parts w/me so it doesnt sit around looking like hell and forgetting half of what I did .
Also too is no one mentioned the mecanical speedo fit .
SO I need that and the cross member if which you ( or someone ) mentioned they found just bolted in ? Really ?
I almost don't believe I will get away with that one .
I still gotta see if the clutch throw out bearing , pilot , cover etc will even work from a 1966 to an 1981 tranny .
Teddy

[hatzie]

The 305E V6 took a different everything. That's no longer an issue since you've swapped in a 292 I6.

The post 1964 Inline 6 used the standard Chevy bellhousing pattern. The 1966 Chevy clutch pedal linkage will push the fork on the A833 bellhousing just like the fork on the old SM420 bellhousing.

The MY6 NP440/A833 has the same 10 spline input shaft dimensions as the SM465 & SM420. You have a good flywheel fitted on the 292 so get a few thousandths faced off it to clean off any thermal damage and buy a complete new Sachs clutch kit (pilot bushing, throwout bearing, friction disc, and pressure plate) so you don't have to mess with it again.

Driveshafts are really no big deal. Get a yoke for the A833 and mate it with a shaft that's the right length. If the Yoke and the driveshaft have different size Universal Joint cups you can buy hybrid joints.

You may have to move and or mod the transmission crossmember. This is probably the worst part of the job and it's bloody easy.