Ok so i have a 89 cherokee 4.0 block. why cant i use a piston for a 97 4.0 block. Im building a stroker and i want a hypereutectic piston but no one makes it for the 4.0 rentix motor. Can you tell me why i cant use the piston for the new motor? Here is the recipe im using:
I want to use a hypereutectic piston not the kb forged.
Jeep 4.2L 3.895" stroke crank
Jeep 4.0L 6.125" rods
Keith Black UEM-IC944-030 pistons
9.6:1 CR
CompCams 68-231-4 206/214 degree camshaft
Ported HO 1.91"/1.50" cylinder head
Mill block deck 0.020"
Mopar/Victor 0.043" head gasket
0.050" quench height
Ford 24lb/hr injectors with adjustable FPR or MAP adjuster for '87-'95 engines, Ford 24lb/hr injectors for '96-'04 engines, '99-'00 Chevy LS1 26.2lb/hr injectors for '05-'06 engines
264hp @ 4900rpm, 324lbft @ 3500rpm