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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: jdfarmer34 on October 21, 2014, 11:47:19 AM

Title: transmisson and transfer case swap 700r4 to a th400
Post by: jdfarmer34 on October 21, 2014, 11:47:19 AM
Hi i neesd some help with setting up a transmisson and transfer case swap in my 85 chevy scottsdale 10 i currently have a smoked 700r 4 and 208 transfer case in it and found a complete th 400 with converter 208 tansfer case and cross member for a good price and want to swap this set up in i use the truck on the farm driving and truck pulling its a long box regular cab and has 32s on it what do i all need to modify to make this work im worried about the kick down and some people told me there is a vaccum modulator i have to convert any help will help
Title: Re: transmisson and transfer case swap 700r4 to a th400
Post by: Blazin on October 22, 2014, 05:59:11 AM
700R4 has a TV cable to kick it down.
TH400 is kicked down electrically. You will need the kick down switch.
Not sure if the drive shaft length will need to be adjusted.
Might need to drill new holes to mount the crossmember.
Shifter hole in the floor might need modification.