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#1 |
Registered User
Join Date: Jan 2014
Location: Comfort, TX
Posts: 142
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NP440/A833 tranny install
Hey guys, I'm finally dropping the 82 Chevy truck OD tranny (3 speed + OD) in my 66 behind the 283. I have the iron case NP440/A833 and the original aluminum bell housing that fits both bolt patterns and it appears to bolt right up. BUT i don't have the dust cover for this bell housing or the starter. Starter appears to be easy, just buy an 80-85 or so truck starter. But does anyone know what dust cover will go on this aluminum bell housing? I reckon I can fab one, but if they are out there for another similar bell housing, I'd sure like to know! Also this bell housing has no mounts on it, but the tranny has a rubber one on the tailshaft end, so I guess I'll just hang another crossmember to support that tail mount. Think three points of support (motor mounts and tailshaft mount) are good enough?
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#2 |
Registered User
Join Date: Jan 2010
Location: Regina, SK
Posts: 804
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Re: NP440/A833 tranny install
If you find one that fits please let me know. I have had no luck searching and plan to cut one out myself.
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#3 |
Registered User
Join Date: Jul 2016
Location: Gooding,Idaho
Posts: 158
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Re: NP440/A833 tranny install
Chevystep post up pics man just got my 833 a few weeks ago im gunna swap it in my 65 this winter
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#4 |
Registered User
Join Date: Jan 2014
Location: Comfort, TX
Posts: 142
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Re: NP440/A833 tranny install
I will! My tranny came out of an 82 Chev 3/4T diesel long ago. Story is that friend's dad had the truck and rear end was a low ratio and combined with this tranny, (GM's attempt at gas mileage?), it took him about 2500 rpm just to get the SOB rolling pulling loaded cattle trailers and he hated it. I could foresee the need for an overdrive with my 66 4.11 rear end and told him I'd swap out his tranny for a granny 4 speed (Low, 1,2,3) if he'd give me the overdrive. Those 4 speeds were everywhere and it cost me $75 to pull one at a junk yard and swap it into his truck. BUT, I didn't get the bell housing at the time and the 4 speed bolted right up to his, but his didn't bolt up to mine. Finally found the aluminum bell 8 or so years later and now she's going in! And this tranny is a HEAVY one!
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#5 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,840
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Re: NP440/A833 tranny install
This link has a lot of information.
http://www.67-72chevytrucks.com/vboa...d.php?t=670789 This bell housing listing shows the dust cover but it's a different application that may work. http://www.ebay.com/itm/Chevy-GMC-Tr...mtr&rmvSB=true
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MusicMan70 1961 GMC Suburban |
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#6 | |
Registered User
Join Date: Jan 2014
Location: Comfort, TX
Posts: 142
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Re: NP440/A833 tranny install
Quote:
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#7 |
Registered User
Join Date: Jul 2016
Location: Gooding,Idaho
Posts: 158
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Re: NP440/A833 tranny install
Oh wow 8 years lol that's a cool story man I'm glad you're finally getting it installed
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#8 |
Registered User
Join Date: Mar 2015
Location: Wilmington, NC
Posts: 39
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Re: NP440/A833 tranny install
I put the A833 in my 65 stepside, behind a 250 I6. It bolted right up to the
stock cast iron bellhousing. I put a tailshaft mount under it, along with the engine and bellhousing mounts. Runs and acts sweet, pulls the empty trailer fine, but when I carried a 65 GMC 3/4 t home down I-40, I'd only get 2-3 miles in o/d and have to go to 3rd to get the speed back up, with 3.73's and 15's. So, if you plan on heavy trailer hauling with the gear box, you'll need 4.10/4.11 gears or lower. OLDTRUCKHAULER
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OLDTRUCKHAULER 65 Chevy short stepside 65 GMC 1502 series Ramptruck 67 Chevy 1/2t fleet no rust 85 GMC custom dually, hauler 88 Int. Rollback |
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#9 | |
Registered User
Join Date: Jan 2014
Location: Comfort, TX
Posts: 142
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Re: NP440/A833 tranny install
Quote:
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#10 | |
Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: NP440/A833 tranny install
Quote:
If you've got side mounts on the block, and a cross member for the tail shaft, you don't need to worry about bellhousing mounts. -Brad
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'61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School |
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#11 |
Registered User
![]() Join Date: Oct 2013
Location: lousiville Ky
Posts: 2,649
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Re: NP440/A833 tranny install
FYI, Have a 1986 short bed with the same LY6 option trans. 3 spd plus OD. It came factory with brace rods, each side that attach to the block at the motor mounts and the trans/bell housing. I can get some photos of them in a few days if interested.
Les |
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#12 | |
Registered User
Join Date: Jan 2014
Location: Comfort, TX
Posts: 142
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Re: NP440/A833 tranny install
Quote:
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#13 | |
Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: NP440/A833 tranny install
Quote:
did your A833 come out of a car or a pickup as the trucks had a larger input bearing housing than the earlier p/u cast iron b/housings did rom |
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#14 |
Registered User
Join Date: Jul 2016
Location: Gooding,Idaho
Posts: 158
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Re: NP440/A833 tranny install
Dude that's awesome lol Im just building mine for a cruiser no heavy hauling lol
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#15 |
Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: NP440/A833 tranny install
I've got one with the Chevy bellhousing pattern, and run it in my Suburban without a specific trans mount... just using the stock '61 mounting arrangement (under the crank pulley, bellhousing ears).
235/75/15 tires and 3.42 gears, it honks down the highway at 80mph with no problem. I've got two more: one with aluminum case, one with an iron case, both have the Mopar-style mounting pattern and require the special bellhousings. I've got one with mechanical linkage, one with the mount for the hydraulic slave. -Brad
__________________
'61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School |
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#16 |
Registered User
Join Date: Jul 2016
Location: Gooding,Idaho
Posts: 158
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Re: NP440/A833 tranny install
Just got my crossmember for my swap yesterday its out of a 73 th350 2wd
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#17 |
Registered User
Join Date: Jan 2010
Location: Regina, SK
Posts: 804
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Re: NP440/A833 tranny install
In my opinion, being bolted to the engine and the tailshaft mount is more than enough support for the trans.
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#18 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,840
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Re: NP440/A833 tranny install
I'd be interested to see that set up Les.
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MusicMan70 1961 GMC Suburban |
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#19 |
Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: NP440/A833 tranny install
Yeah, I definitely want to see that too!
__________________
'61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School |
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#20 |
Registered User
![]() Join Date: Oct 2013
Location: lousiville Ky
Posts: 2,649
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Re: NP440/A833 tranny install
I will get some photos of them in the next couple of days, in storage and will go over and get them.
Les |
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#21 |
Registered User
Join Date: Jul 2016
Location: Gooding,Idaho
Posts: 158
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Re: NP440/A833 tranny install
Any pics or update on this install?
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#22 |
Registered User
Join Date: Sep 2014
Location: Valparaiso, IN
Posts: 300
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Re: NP440/A833 tranny install
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