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Username Post: 700R4 transmission        (Topic#183626)
baezama 
Member
Posts: 7

Reg: 09-23-05
03-02-08 05:54 PM - Post#1379009    

I was looking to install a 700R4 transmission in my 66 longbed truck, do I have to shorten the drive shaft? If so by how much? Any help would be apprecated.



 
Brian C 
Member
Posts: 954

Age: 61
Loc: Nampa, Idaho
Reg: 12-19-05
03-02-08 07:20 PM - Post#1379084    
    In response to baezama

Almost certainly you will have to shorten the drive shaft but depending on what you had in there originally you may also have to have a custom shaft built. In my opinion if you are going to the expence of swapping a 700r4 a custom shaft is not that big of a leap.

Besides all that you will have to modify and/or move the crossmember and find the correct mount for it. Then the Throttle Valve cable installation is very important. Post again with information like: what original trans you have, engine, etc.

Several people on this board can help.

79 Pinto wagon (sold the Neon, I am now mopar free)
94 Safari Van awd
79 Mustang, turbo 4
89 Mustang ragtop,
36 chevy cab (intended to be a 4x4 rat rod someday)
Really, really want another ElCamino.


 
LT1BURB 
Senior Member
Posts: 424

Age: 56
Loc: Roseburg Oregon
Reg: 01-06-05
03-02-08 07:53 PM - Post#1379106    
    In response to Brian C

If you don't get a custom drive shaft made the front shaft will be around 18" long.



 
baezama 
Member
Posts: 7

Reg: 09-23-05
03-03-08 05:01 AM - Post#1379251    
    In response to LT1BURB

I currently have a th350, I am planning to get a crossmember from classic performance products. Thanks.



 
Chevy_Stepside 
Super Senior Member
Posts: 5985
Chevy_Stepside
Age: 56
Loc: San Francisco, Ca, USA
Reg: 07-08-02
03-03-08 07:45 AM - Post#1379336    
    In response to baezama

If you have a long tail shaft 350 you won't have to shorten your drive shaft. Long tail is 6" If I remember right.

"A man and his truck, It's a beautiful thing"
The tour is on again. May 1st 2011. $5 I ride 100 miles. http://main.diabetes.org/site/TR?pg=personal&a mp;f...


 
Bigcarman 
Super Senior Member
Posts: 6180
Bigcarman
Loc: Tucson, Arizona
Reg: 01-20-00
03-03-08 08:19 AM - Post#1379347    
    In response to Chevy_Stepside

Check out Van Pershing's web site. He (and I) used a crossmember from an 80's truck. It's an easy installation for less money. I'm happy with the 700R4.

Robert

63 Impala original AZ car in transition
63 Bel Air 2dr sedan 454 hotrod
97 Monte Carlo daily driver;
80 F-100 84,000 original miles (Dad's old truck)


 
persh 
Frequent Contributor
Posts: 1491
persh
Loc: Tucson, Arizona
Reg: 07-19-00
03-03-08 08:45 AM - Post#1379363    
    In response to Bigcarman

When I put my 700R4 in I used the drive shaft from the donor vehicle - an '83 Suburban. It's a one-piece unit. I had to shorten it a couple of inches. It's probably best to wait until you have the tranny installed before deciding how much to shorten your drive shaft. There's also the matter of matching the u-joint yoke. Here's some helpful tips .

'60-'66 Idea Page or Corvair Stuff


 
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