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View Full Version : which is better?



youngdawg
01-23-2005, 09:45 AM
Wondering which will give better performance gains and where in powerband...PowerBomb Header or Porting the head?
I ride trails and dunes.


03 400 EX
bored to 440
11:2 to1 comp Ross Racing piston
stage 1 cam
White Bros R4 muffler
no lid
Big Gun Rev box

Derag2
01-23-2005, 09:29 PM
I would say you would have to do both to get good benefit from either one and both will move the power band up in the highwer RPMS.

roostin_dale
01-23-2005, 09:34 PM
I would say get the header. You will feel alot of power gain...because your running a stock header on a 440????