4.0 ignition mod.
Junior User
Joined: Jan 2003
Posts: 64
Likes: 0
4.0 ignition mod.
there are a few kits out there but you will not need it or see any really gains from them, the mustange guys are getting around 400RWHP on the same stock box.
I have a jacobs kit and I didn't really gain anything from it could of spend the cash much beter
curt
I have a jacobs kit and I didn't really gain anything from it could of spend the cash much beter
curt
Junior User
Joined: Jan 2003
Posts: 55
Likes: 0
4.0 ignition mod.
my boss put the jacobs iginition kit on his cherokee and he said the only thing he got out of it was a little better gas milage nothing worth spending the money on.
If you were planning on that for your first mod you might be better off to get an exhaust and intake setup.
If you were planning on that for your first mod you might be better off to get an exhaust and intake setup.
