Seems like every application is different.
Some times you can use the OEM engine side, and the OEM carb side (from the larger carb) and splice them with hose.
Other time you can use the OEM engine side and a spigot mount carb and splice with hose.
Both require opening up the intake port/manifold to smooth flow a bit.
I usually fabricate new intakes using slightly bent tube of the right size and a some painstakingly hand made flanges.
Of course if it's a 175 I have a batch of laser cut flanges, I just place the carb, figure out how long and how much bend the tube needs and weld it up.
JohnnyB
Some times you can use the OEM engine side, and the OEM carb side (from the larger carb) and splice them with hose.
Other time you can use the OEM engine side and a spigot mount carb and splice with hose.
Both require opening up the intake port/manifold to smooth flow a bit.
I usually fabricate new intakes using slightly bent tube of the right size and a some painstakingly hand made flanges.
Of course if it's a 175 I have a batch of laser cut flanges, I just place the carb, figure out how long and how much bend the tube needs and weld it up.
JohnnyB
