well, according to the master parts cat port size, it is for a 216. mine measured 1.398-1.400 with paint on it. 1 13/32 is 1.406 which is what the master says a 216 is. thanks guys,
jason


1937 GMC T16 468 BBC th350, 4.10
1941 Dodge COE 5.9 cummins, 9 speed roadranger
1947 Diamond T COE, hercules and 4 spd, all original
1955 Chevy LCF 9.0L IH diesel AT545
1962 Corvair (Elsie)
1967 Jeepster Commando
1968 K10
1970 Chevy C50 box truck