you read post on here there junk 318 heads, look on internet see every thing from junk to best oe sbm head made! got a set and been researching for couple years heres what im thinking! good head for a stock to mild 318 in stock form, bigger valves and porting good for 318 mild to 400 hp,..good head for torque/truck motor no bigger than 360! 400 hp seems to be there max with all the tricks! go to shady dells sight and look at the stock and ported flow numbers then look a the J's and the magnums! flow numbers tell the tale, bout .450 lift and the 302's are done!! but for a 350/375 hp 6000 rpm or lower redlined 318 street car yeah there bout best LA head for that it appears...id like to hear an see more real world experience and less opinion witch is all i have...
