0331 TUPY

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09-06-2014 | 02:00 PM

cherokee01

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Joined: May 2010

Posts: 110

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From: VA

Year: 2001

Model: Cherokee

Engine: 4.0

0331 TUPY

I just wanna double check that this head 0331 TUPY is a newer version of the bad 0331. I got one from a 04 grand cherokee 4.0 powertrac I think. Not sure about the powertrac. But for sure a 04 grand cherokee.

Last edited by cherokee01; 09-06-2014 at 02:08 PM.

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09-06-2014 | 05:43 PM

Turbo X_J

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Joined: Sep 2009

Posts: 8,567

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From: ☼ Blackhole Sun

Year: My Jeep is a GMC

If the cylinder head is used have it checked to make sure it's not cracked/warped.

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09-06-2014 | 05:51 PM

tjwalker

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Joined: Nov 2010

Posts: 5,817

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From: In the middle of Minnesota!

Year: 1999

Model: Cherokee

Engine: 4.0

If it's from an 04 Grand, it's a TUPY. The word TUPY is stamped inside of the valve cover on the head itself, can't remember exactly where. Look for it.

And yes, I'd pay a machine shop to go through it and check it for any warpage. Well worth the money charged.

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