Whats different about the 1987 shortblocks vs ours (94-95)

[BlueOvalStangGT]

Im pretty sure they have forged pistons but do they have the valve reliefs in them like we do?I found one nearby that a friend has and I would like to swap it into my car.Anything else differnet?

 

[SQUEEZE&STROKE]

ONLY THING THAT IS DIFFERENT IS THAT THEY HAVE FORGED PISTONS. tHE VALVE REIEFS ARE THE SAME AS WELL AS EVERYTHING ELSE. AS LONG AS IT IS 87 OR NEWER. I THINK THE PRE 87 SHORT BLOCKS HAD DIFFERENT THINGS GOING ON

 

[stang_dan]

before 87 was carb motors and im almost sure that they werent roller.
dan

 

[scarless]

Forged pistons and different timing cover, that that isn't usually considered part of the short bock.

 

[blksn955.o]

86 was EFI also, just had a smaller runner dia. intake, but looked the same, the 86 had flattop pistons they were forged but had no valve relief.

 

[blksn955.o]

Forged pistons and different timing cover, that that isn't usually considered part of the short bock.

Timing cover is not but the pistons are considered part of the shortblock.

 

[BlueOvalStangGT]

Sweet I can always swap my timing cover over. Thansk guys, I think I found my shortblock!