Hi I have a 2000 f150 5.4. I'm changing my gears from 3.55 to 4.10. I wanted to add a shift spacer but dont know if it'ds a good idea? I've heard some good things but would like to know what you guys yhink? Will I see any performance gains? Is it good for the truck? My other mods I have is high flow air intake throttle body spacer cts programmer long tube headers and cat back split rear exit exhaust. Will the shift kit help at all with pulling trailers? I'll be doing the 4.10's and the shift spacer at te same time if it's a good mod? Help please

 

I would say trans go. I had it in my old truck and I had liked it

 

Is it worth the 100 or do bucks? What does it do excatly?

 

I don't think a throttle body spacer is worth a damn on a fuel injected engine. Might even
cause problems.

 

You know anything about trans go? I haven't had problems with mine. Just whistles

 

Look at Punisher valve bodies also. Lots of Lightning guys love them, Gen 1 and 2. It will give you solid sure shifts and put a smile on your face.

 

Ok will do. Thanks. I want to take care of gear change and shift spacers all at once. Beautiful truck by the way

 

Jmod is good free solution, but if you've got a ton of miles and lack of maintenance, it may be a quick death for your transmission

 

I've only got 92000 miles. Or so. Always been maintained