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Old 05-01-2017, 07:46 PM   #7
koliver's Avatar
City: Saltspring Island
Country: BC, canada
Vessel Name: Retreat
Vessel Model: C&L 44
Join Date: Nov 2007
Posts: 3,206
I repowered my twins, without breaking the bank.

Become a member of Boatdiesel for the most complete information on a large variety of engines. There were even some for sale on that site at reasonable prices when I was doing mine.

What made mine economical was putting in engines of the same make, with the same bolt patterns for engine mounts, exhaust elbows, and transmissions. I was able to avoid also replacing the exhaust from the elbow out, the transmissions, shafts, etc., the water supply, dashboard, engine mounts, etc.

Shortly after I did that, I had a client who tried to repower twins, changing from engines that needed a 3" exhaust on one side of the engines, to 4" lines on the other side, larger shafts, different propellers, engine mounts further apart, laterally, so rebuild the stringers, the list went on.

His cost to repower was over 20 times mine and it took him several months, whereas mine was done in a very short time.
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