Originally Posted by
double_green
Hi guys,
I have a stock 2010 spec B5 and was wondering if I needed to remove/add any head shims. I'm using Byron's 30% nitro and O'Donnell 97T plug. I'll eventually switch to Werks #6 plugs as soon as I can find them in stock.
DG....NO SIR...THEY ARE GO TO GO ON 30%...ENJOY IT!