GN7 On the Dyno
I'm working with a 454 block dated around 1974, so I think that is MKIV? I have square port closed chambered iron GM heads. 11:1 TRW pistons...... I went into a local speed shop the other day to buy some Felpro head gaskets, intake gaskets, exhaust gaskets, and head bolts. I was going to go with...