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06-10-2010, 08:08 PM
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#1 |
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Registered User
Join Date: Nov 2008
Location: Guthrie, OK
Posts: 4
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need info on a tranny swap
I have a 69 lwb chevy 1/2 ton with a 73' "car" 350 and I believe it is a saginaw 3 on the tree. What I need to know is what all I would have to do to put in a 700R4 in place of the 3 on the tree.
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06-10-2010, 08:33 PM
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#2 |
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Cruzin
Join Date: Dec 2009
Location: on the road
Posts: 2,835
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Re: need info on a tranny swap
you need a auto crossmember, tv cable, cooler lines, a radiator with cooler hookups or a add on cooler and driveshaft will maybe need to be modified, and a auto column or a shifter in the floor not hard at all i did my 71 last year
__________________
Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14
Last edited by Hubscrub; 06-10-2010 at 08:34 PM. |
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06-10-2010, 10:36 PM
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#3 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: need info on a tranny swap
Flex plate and torque converter also.
Danny
__________________
'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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06-10-2010, 11:25 PM
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#4 |
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Registered User
Join Date: Nov 2008
Location: Guthrie, OK
Posts: 4
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Re: need info on a tranny swap
where is the cheapest place to look for all that?
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06-11-2010, 12:47 AM
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#5 |
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Registered User
Join Date: Jan 2009
Location: Aurora,Il ..born,raised and still live in the same house
Posts: 286
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Re: need info on a tranny swap
if your lucky enough to have a "9 in. tail on that turbo 350,it'll be the same size as a 700r
so the driveshaft will be the same length. i'm doing the swap next spring, and i just bought a heavy duty,racing,1 piece driveshaft. One less thing to worry about. LOL
__________________
I love stock! Not really into the whole bagged, squished,chopped, drooped,cut, bent,lifted,twisted,split,decked,massaged,tubbed,jacked trend. (o.k. slightly lowered is fine) For the love of god, just drive it before you forget what the truck is supposed to look like !....LOL |
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06-11-2010, 01:11 AM
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#6 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: need info on a tranny swap
You will also need a block-mounted starter to match your flexplate. The stock manual transmission starter bolts to the bellhousing.
Ray |
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06-22-2010, 09:02 AM
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#7 |
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Registered User
Join Date: Nov 2008
Location: Guthrie, OK
Posts: 4
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Re: need info on a tranny swap
Thanks for the help. I might be in over my head lol
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06-22-2010, 09:11 AM
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#8 |
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Senior Member
 Join Date: Jun 2010
Location: Orlando, Florida
Posts: 2,509
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Re: need info on a tranny swap
Ok, at the risk of looking stupid, what's a tv cable?
__________________
71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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06-22-2010, 09:28 AM
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#9 |
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Registered User
Join Date: Jul 2006
Location: Columbia, SC
Posts: 410
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Re: need info on a tranny swap
thats the cable responsible for engaging your overdrive gear. if it isn't setup properly it will destroy your transmission
__________________
1968 Chevy C10 swb fleetside  2005 Chevy Silverado crew cab (SS) 1977 Goldwing cafe racer 1977 Chevy nova (first car/ first love) 
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06-22-2010, 09:37 AM
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#10 |
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Senior Member
Join Date: Jun 2010
Location: Orlando, Florida
Posts: 2,509
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Re: need info on a tranny swap
Is is a mechanical switch, or electronic?
__________________
71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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06-22-2010, 12:27 PM
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#11 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: need info on a tranny swap
TV means throttle valve. The TV cable is a mechanical connection between your truck's throttle linkage and the throttle valve inside the transmission. The throttle valve controls oil pressure in the transmission in accordance with the amount the throttle is opened.
Ray |
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06-22-2010, 12:50 PM
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#12 | |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: need info on a tranny swap
Quote:
If you're talking 4wd you need all the above plus the correct aftermarket output shaft, th350 to NP205 adapter, and a NP205 that originally came out of a truck with a th350.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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