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Author Topic:   C4 tranny experts - valve body question
66 coupe
Esteemed Member

Posts: 124
From:Orlando, FL
Registered: Nov 99

posted 09-28-2000 11:03 AM     Click Here to See the Profile for 66 coupe   Click Here to Email 66 coupe     Edit/Delete Message   Reply w/Quote
Got a friend trying to convert a 66 green dot tranny to the later 3-2-1 shift pattern.

1. Does he need a later valve body to do this or is this just a shift kit change?

2. If a new valve body is needed, will any '67 up normal body work or does it have to be a pre-'70 body? What's the difference?

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Jack Collins
'66 coupe 250/AOD
http://home.cfl.rr.com/mustangsix

IP: 140.153.199.2

Moneymaker
Big Kahuna

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-28-2000 12:12 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
All he needs is a 67-69 C-4 valve body. It is a bolt in swap. The passages are different as they changed the cases in 1970. Alex

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Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!
http://superstockers.homestead.com/week.html

IP: 205.188.198.31

66351stang
Esteemed Member

Posts: 172
From:sayville,newyork
Registered: Jul 2000

posted 09-28-2000 03:15 PM     Click Here to See the Profile for 66351stang   Click Here to Email 66351stang     Edit/Delete Message   Reply w/Quote
you have to use a newer valve body,just went through it 67-70 i beleive...

IP: 152.163.197.48

65driver
New to M&M

Posts: 34
From:Syracuse, NY, USA
Registered: Feb 2000

posted 09-28-2000 10:57 PM     Click Here to See the Profile for 65driver   Click Here to Email 65driver     Edit/Delete Message   Reply w/Quote
Alex,
Do you need a later model shifter? Someone told me that the detentes (spelling?) are different from a green dot to a 1-2-3 shift pattern. Is that true, or can I use my stock '65 shifter.

IP: 24.95.160.70

Moneymaker
Big Kahuna

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-29-2000 11:01 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
You can use your stock shifter. The detents will not be positive locking as they would be with the 67 and up shifter, but it will work and the P-R-N-D-2-1 will line up. Why are you changing the valve body anyway? Is it because you cannot get second gear to hold past 5000 RPM? Alex

------------------
Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!
http://superstockers.homestead.com/week.html

IP: 205.188.195.44

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