Performance shops
Senior Member
Joined: Feb 2011
Posts: 2,061
Likes: 25
From: MD
http://www.jpcracing.com/
I know a few people who have dealt with them and dynoed with them. I plan on dynotuning there when my 4.6 is broken in.
I know a few people who have dealt with them and dynoed with them. I plan on dynotuning there when my 4.6 is broken in.
Senior Member
Joined: Feb 2011
Posts: 2,061
Likes: 25
From: MD
Horsepower by Herman and Racecraft speed and 4X4 are a couple I've heard of but don't know much about.
They're not really F-150 specific, but they'll do what they can do.
They're not really F-150 specific, but they'll do what they can do.
Last edited by Austin97; Feb 14, 2012 at 11:01 PM.