0630 heads
Is it 100% certain that a Grand Cherokee with a distributor is an 0630 head, no matrer the year? I'm looking at a GC in a wrecking yard with a distributor and I would have to pull the head myself. I don't want to commence work on it unless I can be certain it is an 0630. The engine bay is -mint-, it looks like a good gead. Only ID mark I can find is a large X on the driver's side of the head.
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Nothing is 100% certain, because a moron could have swapped in a 0331 for some idiotic reason. (Don't scoff. Inexplicably, it has happened.) However, it's extremely likely it's a 0630.
The head will have the casting number on the top driver's side edge of the deck right near the #4 cylinder (counting from the front). It will probably be partially covered by the valve cover, and it may be difficult to see if there's gunk on it. If you can't see it, you could always pull the valve cover off, and then it should be easy to see: https://jeepadapter.files.wordpress....se-label_o.jpg |
Originally Posted by extrashaky
(Post 3458672)
Nothing is 100% certain, because a moron could have swapped in a 0331 for some idiotic reason. (Don't scoff. Inexplicably, it has happened.) However, it's extremely likely it's a 0630.
The head will have the casting number on the top driver's side edge of the deck right near the #4 cylinder (counting from the front). It will probably be partially covered by the valve cover, and it may be difficult to see if there's gunk on it. If you can't see it, you could always pull the valve cover off, and then it should be easy to see: |
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