Hello thought you may be able to help me. Just bought 247 Ultra 2000 with 454 jet. lightning headers leaked and changed them too indmars straight....
new boat not getting power -454 chevy rebuild jet Hello thought you may be able to help me. Just bought 247 Ultra 2000 with 454 jet. lightning...
By the way I bypassed my thermo all together and runs really cool. just connect the two top port together and reverse one of the exaust and thermo...
454 headers hook up- water coming in should "T" than both lines should go to bottom back of headers (cooling chamber) than will come out the front...
test 1234