Need big block help.

I run a 493RB tunnel ram 2 600 eddys.It took a time to learn how to tune them.Use what you have,If it was me I would check the cyclinder walls if ok break the glaze drop in a set of flat top pistons and the 452 heads 214/181 little bowl work and a good hyd cam and you'r tunnel ram [HAVE FUN]:oops: