Jp 1 block?

Are they any good? Dont know anything about them

 

i wtb some 4.310 sleeves for one of these if anyone has any,,,

 

Jp1

if I recall correctly, the KB sleeves will fit with slight mod at the bottom.

 

thanks bill,,,,,,,,any idea what stage kb sleeves......most likley early ones

 

Do these sleeves typically have a flat spot where they are closest to the ajoining cylinder?

Approximately what is the OD of the sleeve?

Approximately is the cost?

 

didn't they originally have inner and outer sleeves? notches on the top register on both sides of inners and only one side of outers? Or was that the old kb sleeves? also the old JP1's had tall thin ribs in the valley across the mains tying the banks together which was a change from the OLD old KB's tie bars that wrapped around the inner head stud bosses. They had a snap ring groove in back of the cam bore freeze out plug and if you don't tell the machine shop that this snap ring is hiding behind a glob of silicone. they just might send the back of the block flying across the shop floor when they try to pound out the freeze out plug. (happened to us). If you want nostalgia get your hands on an old Milodon, the ones with the main girdle

 

jp1

contact John Knox, Sassy Racing in NH 603-529-2814 he can sell you what you need and tell you what to do. Great people, great service