H.O. vs Powertech
05-07-2012, 01:48 AM
#31
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Location: VA
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Year: 1999
Model: Cherokee
Engine: 4.0L I6
My 99 that was built either April or May doesn't have the coil packs. I can't find the casting number on the head but I'm pretty sure it isn't 0331
05-07-2012, 05:59 AM
#32
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Year: 1990
Model: Comanche
Engine: 4.0 I6
If its got coil packs and is on a cherokee or grand cherokee before mid 02 then it is a 0331 head...
0331 is stamped under the valve cover... If its the revised head from 02 1/2 to 04 grands there is a added stamp of some letters between 3 and 4 cylinders so there is added metal and wont crack...
0331 is stamped under the valve cover... If its the revised head from 02 1/2 to 04 grands there is a added stamp of some letters between 3 and 4 cylinders so there is added metal and wont crack...
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