Help full pi swap feels slow

[97mustang]

I have a 97 mustang gt with pi heads cams Intake on a npi block with cold air intake bbk 78 mm throttle body under drive pulleys long tube headers with customs 2.5 H pipe with no cats only weld in mufflers
It doesn't feel faster and if anything I've only lost torque do I need a tune ?
Can I use my 2000 gt computer ?

 

[96blak54]

Unplug the maf, then go drive. Report back

 

[97stanger]

I wouldn't expect earth shattering differences, but it definitely should have a better power band and 50 or so hp should be noticeable. I agree with above ^. Unplug the MAF and take it out and see if there are any differences. You don't NEED a tune to drive the car, but your A/F is probably all out of whack and to truly see/feel the benefits of the swap I would probably look into a tune.

 

[max_Man4945]

man when i did my pi head swap i said the same thing it took me racing a buddy of mine that use to stomp my butt to make me see how much faster the car was because we raced again and i beat him by a couple of car lengths

 

[vermilion]

youll need a tune hoss.