What kind of motor does a 305 HO head have?
What kind of motor does a 305 HO head have? The motor's been bored 40 over, and has a mild cam (204/214 at .050 dur.) with a dual plane intake. Get some 416's or 601's their 305 HO heads early to mid 80's. I have a 283 with 416's and they work well Which is the best 305 head on the market? Imho, the best 305 head is the -601! They have 1.84"/1.50" valves; hardened seats; a compression chamber that will run from 53 to 58 cc's SO you HAVE to cc them!! 160 and + cc intake ports and...