Holy smokes just wanted to jump in here I just performed the mod on my 150 and I am amazed can't believe the difference. I advanced the timing just a bit and hollowed out the complete exhaust hole. What a difference, it was very sluggish before now not at all. Thanks guys for the help.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.