I recently made a non-cash deal for an older boat.
What I think I have is an IMP "Thunder" from 1969.
Sporting an in-line, 165 HP 6 cyl (GMC?) engine
and a Mercruiser Stern Drive.
My book tells me I should be looking at a 250 GMC engine Moldel #160
The Stern Drive tells me its for a 120-140...
