Mercruiser 470 repower 1978

[surchin]

Oh Ya I remember that guy. That was funny. He was all fired up everyday.

So got off phone with mechanic. 10k to put in a 3.0. So instead. We are going to try to bypass the coolant system making it open raw water system. Anyone tried that on this. It makes sense to me. I've been chasing the pressure coolant system. So to eliminate it seems like it will work. No evidence of water in culindRs at this point so head gasket may be ok. We ran a blue devil sealing kit through it

See how she goes