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Old 03-27-2017, 06:46 PM   #2
Senior Member
City: marina del rey
Country: USA
Vessel Model: Goldenstar sportfisher
Join Date: Apr 2014
Posts: 175
I came across an old Marine Perkins manual.
The H2A was used on the 220 HP engines and had 12 to 15 psi of boost.
The H1B and H2C used on the others and had 11-14 psi boost.

So, was the Range 4 rated at 220 HP or less?
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