J-mod
Thread Starter
2015 F-150 3.5 ecoboost
Joined: Aug 2011
Posts: 2,168
Likes: 54
From: Canton Ohio
J-mod
Has anyone here done the j-mod to their tranny and I so ho hard is it on a scale to novice to expert. What kind of tools would be needed meaning is there special tools u need.
Senior Member
Joined: May 2011
Posts: 395
Likes: 2
From: Arizona City AZ
Here are some detailed instructions on performing the J-mod on a 4r70w, I had a 99 CVPI that was J-modded when I got it, But I have not done it to my truck - high mileage engine and trans, not sure how long it would last after that.
http://www.crownvic.net/ubbthreads/u...=1#Post1152107
http://www.crownvic.net/ubbthreads/u...=1#Post1152107
Thread Starter
2015 F-150 3.5 ecoboost
Joined: Aug 2011
Posts: 2,168
Likes: 54
From: Canton Ohio
Originally Posted by billmck04
Here are some detailed instructions on performing the J-mod on a 4r70w, I had a 99 CVPI that was J-modded when I got it, But I have not done it to my truck - high mileage engine and trans, not sure how long it would last after that.
http://www.crownvic.net/ubbthreads/u...=1#Post1152107
http://www.crownvic.net/ubbthreads/u...=1#Post1152107