When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
lawrencecar1 - it sounds like we have similar set ups - Roush M90 with smaller pully, cams and heads - did you experience any tuning problems getting power out of the mid-range (2000 - 3000 rpms) or throttle response when you punch it? I'm having those issues now.