2003 5.4L
2003 5.4L
How do you all like them? What mods are safe?
Just got my new truck.. looking to have some fun with it..
Well for my daily driver.. my other ride is a 1988 GT 331
Just got my new truck.. looking to have some fun with it..
Well for my daily driver.. my other ride is a 1988 GT 331
Last edited by 03' 7700; Nov 3, 2004 at 09:59 PM.
Originally posted by Tommy2spd
I want to put a turbo on mine. Not sure about the weak trans though.
I want to put a turbo on mine. Not sure about the weak trans though.
You're lucky to have a 2003 5.4. There are no 5.4s in 2004 Heritage trucks and only 2003 and up 5.4s have longer spark plug threads. If you want more HP than simple bolt ons, they make nice aftermarket supercharger kits that are much easier than top ends or conversions.
Originally posted by max mitchell
You're lucky to have a 2003 5.4. There are no 5.4s in 2004 Heritage trucks and only 2003 and up 5.4s have longer spark plug threads. If you want more HP than simple bolt ons, they make nice aftermarket supercharger kits that are much easier than top ends or conversions.
You're lucky to have a 2003 5.4. There are no 5.4s in 2004 Heritage trucks and only 2003 and up 5.4s have longer spark plug threads. If you want more HP than simple bolt ons, they make nice aftermarket supercharger kits that are much easier than top ends or conversions.
I will look into that thanks


