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Forums28
Topics3,983
Posts19,061
Members1,018
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Most Online238 Feb 9th, 2024
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Engine Specs - speed and fuel
#2581
07/11/01 02:02 AM
07/11/01 02:02 AM
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Anonymous
OP
Unregistered
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Anonymous
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Unregistered
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I have a 79 J30 with the 2QM15 engine. What is a good crusing engine rpm and what is the max rpm one should run at. How much fuel for each is used per hour and what is your boat speed. Also what the the shaft diameter. What is a good way to determine how much fuel is in the tank (no gauge) or do you keep track via engine hrs. If so how much fuel is used as per the engine hr gauges.
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Re: Engine Specs - speed and fuel
#2587
07/12/01 11:29 AM
07/12/01 11:29 AM
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Anonymous
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Unregistered
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Anonymous
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I have #92 it has a top deck fill in the anchor bay. I added a West Marine external guage and mounted the guage near the electrical panel. I set the sending unit for 6 inch tank depth so when it reads below 1/2 a tank it takes a 4gallon jug of fuel without backing into the filler pipe. Care must be taken when fashioning a new cover plate and sealing the sending unit to the new plate. Use Teflon tape on all of the screw threads and it is best if you can punch in pim nuts for fastening the sending unit to the cleaning plate. All other info is as the other responses.
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