thank you for that info. too bad you are not local, you seem to know GM 6 cyl engines.
don't forget to change all freeze out plugs to brass and use marine head gaskets. automotive in marine environment will deteriorate and eventually...
back in the 70's we used 30 weight non detergent motor oil
my boat is powered by 2 inline GM 250 6 clyinder engines. I purchased M&W turbo kits that used RAYJAY turbos. to keep the boost low, under 6...
I turboed twin 165 mercruisers (inline 6 cyl). saw a nice increase in power but ran into reliability problems.
the mercruiser 165 is a GM 250 cubic inch inline 6 cylinder. I'll get some pictures up. not a well known model (1972). what size (cfm) should I use???
I am looking to increase top end on 24 cigarette with twin 165's. would changing to 4bbl's work and increase top end. is it too much fuel for...