Here is all the information that fiberglassics has. http://www.fiberglassics.com/library/index.php?title=File:Seabirdbb001.jpg
https://www.google.com/search?client=firefox-b-1-d&q=Seabird+Boats++Seabird+Industries%2C+Inc.++1775+W.+Okeechobee+Rd.++Hialeah%2C+Florida+
doing some digging on THT...
yes, the 120 is simply the 153 from the chevy 2 with a marine cam
get a different distributor for automotive use. reach out to Tom http://www.langdonsstovebolt.com/ you can get a custom HEI distributor for the motor for street use.
just clean off the rust off the flywheel and bolt a clutch on...
the boat has been either repainted or a different color gel applied at some point. so matching may or may not happen.
regarding the gouges and chips, thicken gel will work.
that crack should be investigated further.
Just don't use slimy ramps. Or do as a family friend did with his 2wd truck, and have a front mounted trailer hitch to use on some ramps. Keeps the drive wheels on good pavement
There are slick ramps that 4 wheel drive is needed.
Regarding tires, you will be adding weight. You may need to...
My next truck will be made just for these reasons. 1996-1997 Dodge Cummins chassis, warmed over compound turbo 12-valve, manual transmission or Allison, 1948-1984 Chevrolet 4100 cab and front clip, custom bed
yes, actually more. however the solenoids you need to test have the buss bar connecting them together
but do not assume its the solenoids as there could be many many reasons.
start with measuring voltage.
welcome aboard
prior to throwing parts at it, check the voltage at the motor. is your new motor OEM? or amazon junk? does the shaft and hammer coupling turn? is your clutch pack locked up?
the factory service manual has a schematic. https://outboardbooks.com/
aluminum bed started in 2015
sand down flaking paint
re-etch any exposed metal
spray sealing primer
sand
spray 2nd coat of primer
sand
spray 3 light coats of color
spray 4 light coats of clear
sand
buff
wax.