Best heads and runner size for 383sbc towing engine
I'm building a sbc 383 for my 93 suburban i have the short blk. and a lunati cam specs are 262/268adv dur. 219/227 at .050 468/489 lift 112 lsa. this will be a tbi motor. we have emissions gear ratio is 3.55 and 31in. tires. i have been looking at heads 170cc up to 210cc runner. i know smaller is better. but want to get best bang for the bucks! how are all this new heads like patriot/procomp/rhs/pbm and the ones some guys don,t give a name that are alumn . that you see on ebay. patriot says use there 185cc cast head. whitesperformance says 210 procomps. cast or alumn? i know afr is best but they cost to much for a low buck build. Please help! Thanks !