Need to buy '99 head
06-17-2011, 10:48 PM
#1
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Model: Cherokee
Need to buy '99 head
Cracked my head when lower radiator hose blew. Any ideas for a '99 4L 6 cyl head?
A bit more info. It's an 030 casting. Mine looks nearly new, no carbon, very clean inside, 106k miles. Lower radiator hose blew on the freeway and in a few seconds water temp went full right, 265 degrees! I was a quarter mile to an exit so I coasted off the freeway exit and down hill to a parking area. Patched the hose with duct tape, added water and made it home. Replaced the hose and new water pump. CEL appeared, misfire on #1. Drove a hundred or so miles, intermittent misfire on #1, pulled head, gasket fine. In good light a very slight hairline crack is evident between the seats on #1.
A bit more info. It's an 030 casting. Mine looks nearly new, no carbon, very clean inside, 106k miles. Lower radiator hose blew on the freeway and in a few seconds water temp went full right, 265 degrees! I was a quarter mile to an exit so I coasted off the freeway exit and down hill to a parking area. Patched the hose with duct tape, added water and made it home. Replaced the hose and new water pump. CEL appeared, misfire on #1. Drove a hundred or so miles, intermittent misfire on #1, pulled head, gasket fine. In good light a very slight hairline crack is evident between the seats on #1.
Last edited by Jeepnick; 06-19-2011 at 03:49 PM.
06-18-2011, 12:23 AM
#2
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Year: 1999
Model: Cherokee
Engine: 4.0 L
Junk yard,Napa,Advanced Auto Parts, Autozone. I called and found one near me at a junk yard for $100.Have to go get it for my jeep.
06-19-2011, 09:20 AM
#3
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Year: 2000, (1957 Willys)
Model: Cherokee
Engine: 4.0L
Clearwater cylinder. I drive a 00' sport and my 0331 head is cracked. Now I'm rebuilding. Do you have the dreaded 0331 head? Grabbing one off of a junker is risky. That head may be the reason it IS a junker.
$450 delivered to my door from Clearwater, and it's beefier than the original.
$450 delivered to my door from Clearwater, and it's beefier than the original.
06-19-2011, 11:17 AM
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Year: 1994
Model: Cherokee
Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip
i would get a 91-96 head off the original H.O. motor. they are notorious for being stronger then the 97-99 heads, and (dont quote me on this) may even flow better too. it can take all the abuse you can throw at it
06-19-2011, 01:11 PM
#6
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Year: 2000
Model: Cherokee
Engine: 4.0
Im having a similar problem my question is what heads will fit my 00 sport from other years and what kind of modification would be needed to make it fit and unfortunately im on a junkyard budget but I have a buddy that works for machine shop that would check for free any info would be awesome guys thanks
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