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Cruising at too low RPM

D

donvigus

New member
"I have a 42' Grand Banks

"I have a 42' Grand Banks Classic with dual 120 Lehman. Sometimes I cruise at 1200 RPM in an effort to get great fuel economy (which I do...3 miles per gallon) Am I hurting the engines. Occasionally I cruise at 1600 RPM, the motors seem to run very smooth at both RPM."
 
"Don,

Not as familiar with

"Don,

Not as familiar with Lehmans but assuming normal rules of opperation, I would have no problem doing what you are doing - low RPM cruising, but would run them up to their max power rating periodically. Change oil regularly as well."
 
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