2-135 Sleeves

CP1

Member
Rebuilding a Hercules 478 and have a question about the sleeves? How tight should they fit in the block? I havent got new ones yet, but the old ones werent very tight. Get them to move, with a plate on the bottom, tapping with a hammer and punch , and pull them out the rest of the way by hand! Seems too loose for a dry sleeve, and comparing past ones Ive done in other engines
 
It seemed that way to me too, but the I&T manual says that's right. Four of the six on mine pulled by hand. I got under it with a punch on the other two and they popped right up. I pulled those two by hand too. The new ones pushed right back in the same way.
 
The neighbor's 2-155 sleeves came out easily. Found some new old stock military sleeve/pistons from Memphis Equipment that cost much less at the time than White quoted.
 
I got a set of those 22.5-1 four ring pistons for mine from Maibach. Made a huge difference in cold weather starting.
 
That's what I put in the neighbor's engine, and his starts better cold too. It ran about three years and the crank broke at the number four main while chisel plowing one spring. That's when an older crank was installed from a 6X6 military engine and still runs fine today. The older crank has heavier webbing than the original tractor crank had.
 
for what it's worth the military multi-fuel sleeves were a loose fit , if you rotated engine with head removed the friction of the rings was usually enough to push sleeves out of block
 

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