Massey 444 Engine Rebuild

[Dave Garlock]

Does anyone know if the standard sleeves and pistons can be installed in a block that has the oversize 4" piston and sleeves?
Is the block bored out to install the bigger sleeves or are they just a thinner wall?

 

[Powered By IH]

Does anyone know if the standard sleeves and pistons can be installed in a block that has the oversize 4" piston and sleeves?
Is the block bored out to install the bigger sleeves or are they just a thinner wall?

TractorData says the standard bore was 4 inches?

Usually on wet sleeves engines the cylinder wall is thinner for oversize pistons because you are boring out the cylinder, however there is a limit to the max cylinder bore you can safely use.

 

[rustred]

the 44 special and 444 both have the 277 engine, and that is the standard size. they are the same bore of 4 inch. the older 44 had 260 cid engine , which had smaller pistons 3 7/8 i think. quite sure them sleeves could be bored out to 4 1/8 if there was such pistons. them sleeves are thick.

 

[JJL]

As others have said, the std piston for a 277 is 4". If you are looking at the 3-7/8 pistons & sleeves, those will only fit in a 260 block used on the 44 models. You cannot interchange a 260 sleeve with a 277 sleeve as they have different OD.

 

[Dieseltech]

If I recall the sleeve LOWER end on the 277 block is different than the 260 block