Re: MercCruiser 7.4 MPI (big block Chevy)
MercCruiser 7.4 MPI (big block Chevy)
Does anyone have the manufacturers specs for cyl compression for the subject engine?
Ayuh,... The Big Question is,... What did You get,..??
About anything over 100psi,+ it'll Run....
Depending on the Build,... 120psi to 180 psi is concieveable...