Thanks Doc. I got these specs from a guy on ebay regarding the 413 motorhome cam. He has some NOS ones listed. Really surprised how little lift it has. Smaller that a 318 in that regard.

cam lift int .240" exh .240"

valve lift int .360" exh .360"

adv. dur. int 260 exh 260

effective timing event @.050" cam lift

dur. int 193 exh 194

opens int 10 ATC exh 27 BBC

closes int 23 ABC exh 13 BTC

overlap 44

lobe line int 106 exh 110