After wheel tubbs were welded in we bought a 4x8 sheet of 20 guage steel and cut it to fire proof the back where the seat goes because there will be a 15 gallon fuel cell, this was also added for strength there is a pinion snubber on the rear.
Just got a set of RHS heads from MRL performance with lunati solid camshaft and lunati solid lifters. just ordered a comp cams racing timing chain from summit racing.