Thats looking good Dave,,gunna be one horny ol 57,,
What are you running in your truck??We have a number of guys running LPG down here,,some on an Australian system from Melbourne[I think]..called Gas research..A darn good set up..Pre requisites for my new engine,,hardened valve seats,10:1 CR,ported heads,good intake,and a cam thats got to lean towards the torque side.. ...