10% O/D

[shawn13]

If I want to run a 10% O/D pulley will a retune be needed ?

 

[JimIII@JDM]

I would suggest it if you have the fuel system in the car, it will add 3 psi boost.

JimIII

 

[Stolen 98]

Should have kept the 3.2pulley on there Shawn I knew the "power-bug" would bite.