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Recently found a 1969 45 Hat convertible for sale. Owner gutted the interior and repowered it 10yrs ago with these 671TI 450hp. Strange, I’ve never seen a 45 powered with 671s. Can anyone give me an estimate on cruise speed and top end? Last Hatteras i had was a 46’ with 8.3L Cummins 6CTA 450hp...

45’ 1970 prop suggestions Anyone know how much a 1970 45’ weighs fully rigged with 6v92s 550hp? I just had one fail sea trial. I’m guessing she may have been over propped 26” x 30 4 blades were on her.. & she would not turn up. Twin disc 1.71:1 gears. Doing a basic search i see 24000lbs for a...

Fuel burn 45’ vs 53’ Feel funny asking such a question. But i have an opportunity to purchase either a 53’ or a 45’ both are early 70s models in excellent shape for their vintage. The 53’ has original 12v71N 3yrs since MOH and the 45’ has 6v92TA (installed new in 2002) allegedly 800hrs since...

Hey guys, new member and first post. Im looking at buying a 1970 45 with 1997 6v92TA 550 (installed 2002).. listing says 800hrs with new gauges that read 5hrs on them.. cold start had almost 0 smoke.. .. my last boat was a 1976 46’ with Cummins 6CTA. The 46’ was a bit light with the Cummins.. i...