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Engine Technical Discussion This is our non outboard engine related technical discussion forum. If your boat is powered by a Inboard/Outboard, Jet drive, V-drive, or even something else, then this is the forum for you! Topics include engine repair and maintenance, modifications, drives and gearcases, electrical and electronics, etc. For technical assistance related to outboards, please use our outboard tech forum.

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Old 11-15-2020, 08:45 PM   #11
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Quote:
Originally Posted by karzrus View Post
This is an old thread and the OP has likely moved on.

That said, he did indicate 6 psi of boost, he could possibly turn it up if it is more HP that he needs and to get another 10mph. He probably needs some set up adjustments and more HP to get all 10 mph.


80mph in your 270 is moving well with a 700 HP 540cid and it's a great looking boat as well. But you might find some speed still in it with the right set up too?
Thank you. Yes, with the right prop and some lab work I'm sure there are a few MPH left.
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Old 11-17-2020, 09:09 PM   #12
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Put 2X Merc 450s on the back and it will run 90+!
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