About 2years ago I owed a 79 cub and it had the blue strip decal. The other day I was talking to a guy and he said if it had that decal on it, it meet it had more hp then the normal cub and that they ran to different decals. which the other one being the one that you see on like 67 cub. Never hared that about the cubs before. Is this true or just someone trying to act smart about tractors?
- Thread starter REDCUBIH
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screwstick
Member
Someone is trying to act smart. From mid '75-'79 they all had the same decal and same HP.
screwstick
Member
To clarify just a bit, there were many improvements in HP in the Cubs from '47 - '79. But as to the original question as I understood it, there was never a time when IH manufactured two different HP cubs at the same time but used different decals to differentiate them, that is simply not true.
The increases in RPM was only one way that IH upped the HP in the C-60 engine, along with the increases came aluminum dome pistons, larger carbs and manifolds, and a different camshaft. The final Cubs had a high idle of over 2000 RPM's, compared to the original 1600 RPM. Hardy scary considering the C-60 power units turned even faster, and the Palmer Marine P-60 (IH Cub engine) turned over 3k.
The increases in RPM was only one way that IH upped the HP in the C-60 engine, along with the increases came aluminum dome pistons, larger carbs and manifolds, and a different camshaft. The final Cubs had a high idle of over 2000 RPM's, compared to the original 1600 RPM. Hardy scary considering the C-60 power units turned even faster, and the Palmer Marine P-60 (IH Cub engine) turned over 3k.
Screwstick, apparently you know something about the marine version of the cub engine. In 1963 and 64 I worked on the four cylinder assembly line in Louisville. At that time only 9 cub engines were made each day.
Some of the older guys talked of a Cub
engine with a "motorboat crank", all I ever knew about it was it was counter balanced while the regular cranks were not.
What was it used for, and what else was different other than the crankshaft from the tractor and power unit engines?
I have my dads 53 Cub , and a 184 so am aware of the differences in those two engines, but not the "motor boat" engines.
Any information would be appreciated, Joe
Some of the older guys talked of a Cub
engine with a "motorboat crank", all I ever knew about it was it was counter balanced while the regular cranks were not.
What was it used for, and what else was different other than the crankshaft from the tractor and power unit engines?
I have my dads 53 Cub , and a 184 so am aware of the differences in those two engines, but not the "motor boat" engines.
Any information would be appreciated, Joe
screwstick
Member
Joe, I only know what I have read about them on the Internet, I have never seen one in person.
In addition to the crank being different, the flywheel, carb, governor, ignition, manifold (water cooled), and charging systems were different as well. Palmer basically took a striped C-60 block, machined the pulley end of the crank for their transmission connection and bolted their marine specific items on and turned the RPM's way up. From what I gather, the P-60 was primarily used in sailboats.
Here is a great link if you want to do some reading, not only on the P-60, but also the other IHC engines that Palmer used for boats.
[b:e205d78422]http://www.oldmarineengine.com/discus/messages/3430/3430.html[/b:e205d78422]
Thanks, Raymond Durban
In addition to the crank being different, the flywheel, carb, governor, ignition, manifold (water cooled), and charging systems were different as well. Palmer basically took a striped C-60 block, machined the pulley end of the crank for their transmission connection and bolted their marine specific items on and turned the RPM's way up. From what I gather, the P-60 was primarily used in sailboats.
Here is a great link if you want to do some reading, not only on the P-60, but also the other IHC engines that Palmer used for boats.
[b:e205d78422]http://www.oldmarineengine.com/discus/messages/3430/3430.html[/b:e205d78422]
Thanks, Raymond Durban
dennis bushnell
New User
the last cubs had a larger carb, lighter govenor weights larger manifold and produced about 18 hp
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