Join Date: Jan 2015
Location: Northern Indiana
I was unable to solve 65mph up vibration until I put on new tires and rims even though I had the old combo checked and balanced. Given the power that you are making, a serious wheel and tire upgrade is way past due! Might want to throw a few Moser axles in as well for good measure.
65 C Code hardtop from California still wearing it's original paint.
Roller 331, TW 170 heads, T-5z, FiTech EFI, FPA Headers, Arvinode exhaust, SoT Bilstien coilover front suspension, TJ on eBay 8" 3.40 Trac-Loc 3rd member. Mustang Steve 2008 GT bracketed 12.4" front disks