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03-12-2012, 10:43 AM
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#1 |
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Registered User
Join Date: Oct 2010
Location: blue mtn. ms
Posts: 100
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factory 4 speed ???
i have never seen a factory 4 speed in a square, would this truck have a granny low 4 speed or a regular 4 speed ?
http://jacksontn.craigslist.org/cto/2862736818.html |
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03-12-2012, 11:33 AM
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#2 |
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Registered User
Join Date: Feb 2011
Location: Lake, Michigan
Posts: 219
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Re: factory 4 speed ???
I had an 81 with a 4 speed. It was a New Process A833Y. I believe that only the 3/4 - 1ton trucks had the Muncie sm465 in them. The NP is Aluminum and the Muncie is steel.
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03-12-2012, 12:02 PM
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#3 |
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Just here to tinker
 
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: factory 4 speed ???
I had an SM465 in my '80 1/2 ton 4x4 from the factory.
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03-12-2012, 03:31 PM
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#4 | ||
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: factory 4 speed ???
Quote:
That is the trans I have in my truck.  Quote:
K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 03-12-2012 at 03:36 PM. |
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03-12-2012, 08:47 PM
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#5 | |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,977
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Re: factory 4 speed ???
Quote:
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03-13-2012, 01:13 AM
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#6 |
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Registered User
Join Date: Sep 2009
Location: Weare,NH
Posts: 1,592
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Re: factory 4 speed ???
Yes that depends on the option ordered. My 86 C10 was ordered with the SM465, which also includes a 2 piece driveshaft. Strange thing to see on a short bed truck.
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03-20-2012, 11:54 AM
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#7 |
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Registered User
Join Date: Jan 2009
Location: Arkansas
Posts: 687
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Re: factory 4 speed ???
Dad's 83 GMC 1/2 ton SWB has a SM465 with two piece driveshaft.
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03-20-2012, 12:18 PM
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#8 |
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Registered User
Join Date: Feb 2012
Location: carbondale Pa.
Posts: 30
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Re: factory 4 speed ???
i have a 1/2 ton 1970 GMC i'm restoring right no an the trans is a SM465 and it's bolted to the 305 V6 an the only difference for the V6 and V8 is the bell housing same low gear tranny
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03-20-2012, 02:13 PM
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#9 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: factory 4 speed ???
95% of the 4 speeds were an SM465, the others were the mopar trans mentioned already. They're a dime a dozen with 4 speeds in them, don't let him kid you.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 
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