where is the 40hp and 25tq?

[vtecthis349pony]

so a 2002 L makes 380hp and 450tq the 2002 f-150HD makes 340hp and 425tq. where does the 40hp and 25tq come from. Cams, computer,intake?

 

[Lstruck03]

as far as i know, the blower, engine are the same, so my guess is the tuning

 

[vtecthis349pony]

so can you put a L computer in a Harley Davidson

 

[IEatGt's]

The HD makes less boost.
The Lightning is set up for 8 psi of boost.
The upper pulley on the HD is larger in diameter than the one on the L, so it spins the blower slower. It drops the HD to 6 psi of boost.
There's a slight difference in the tune as well.
The engine and blower assembly are identical with the exception of the Lightning blower case has either Eaton or SVT cast into the front of it.

There should be no need to swap computers.
A pulley and belt swap and a tune should be all that is necessasry.
All the other Lighting mods can be used on the HD truck as well.

 

[EnglishAdam]

^^^^^ What he said :thumbsup:

 

[Cobra523601]

thats correct,the upper pullies are diff,thats why you power is diff.thhe light comes with a 2.93 stock pulley and the harley has a 3.0 or 3.1 upper pulley,not sure bout the exact size.i work at a forddealer as a mechanic,i have an 02 harley

 

[viperbluelx]

I think the Harley truck has a 3.25?

 

[dodgths]

yea, the harley have a SAFE/MILEAGE tune for the average person.

Lightnings have a HARD tune for greater power.

Whtever, just get a programmer/pulley kit from like LFP.