hello i just bought a 81 beachcraft 16 ft w/ 4 cylinder GM engine but i don't know the size of the engine some people says it has a 3.0 or a 2.5 how can i find out wich engine i have, on the engine block has this number stamped.- M07149RB
and on the block also has this number 277087-191-89 next to the letters GM.
it also has a napa oil filter # napa gold 1069
tanks so much for the help
and on the block also has this number 277087-191-89 next to the letters GM.
it also has a napa oil filter # napa gold 1069
tanks so much for the help
