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Old 03-17-2012, 12:43 AM   #1
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Replacement Engine - Informal Poll / Suggestions

I just purchased a replacement engine for my engine swap project. I am kind of at the mercy of the seller and have to take his word on the amount of wear and how many miles are on this thing. He said "90,000 miles plus change" when I purchased it. So for the sake of argument, lets say I Just purchased a 1999 motor with 100,000 miles on it for which I DO NOT know the history. With that said. Engine is out and it is VERY accessible.

Would you:

Replace Timing Chain.

Replace Water Pump

Replace Main Seal

REMOVE the HEAD and have it checked out? (If possible)
a. If not, Would you still replace HEAD GASKET?

ANYTHING ELSE????


On a side note, the end freezeplug (back of engine) has like a green stripe or paint mark. The seller said it looked like the head or engine had been rebuilt. Any truth to this???

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Old 03-17-2012, 12:50 AM   #2
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What engine is it?

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Old 03-17-2012, 10:17 AM   #3
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I knew I forgot something. I purchased a 4.0 engine for $500. I'm preparing to do a 2.5 to 4.0 swap. It came out of a 1999 Wrangler TJ. Supposedly it had been rear ended and was a "insurance sale". Everything is on the engine from fan to flywheel and from the oil pan to the air cleaner.
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Old 03-18-2012, 12:32 PM   #4
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Does anyone have opinions on just removing the head at this point and trying to find an HONEST shop that will give an HONEST opinion? (Orange County, CA)

Or should I just roll the dice?

I am going to replace timing belt, water pump, main seal, oil pump and gaskets.
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Old 03-19-2012, 01:48 AM   #5
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Well since my jeep is down as well. Either a broken piston skirt or broken rod. I'll drop the oil pan and find out for sure this coming weekend. I'm almost in the same boat. If the cylinder wall is scorn then I get to decide either a used, refurbished or have mine machined. I'm leaning toward machined. Only advantage I might have is that I can have a machine shop do all the work, then I get to reassemble it all myself. Something I can do. If you're capable of doing that too you might look into having a machine shop check it all out, cleaning it all up for you, then you reassemble it on your own time. Another though. Stab the used engine have yours reworked and just wait until the used one DOA's on you. At least you'd have everything ready..
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Old 03-19-2012, 02:05 AM   #6
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Quote:
Originally Posted by CrimsnTide
Does anyone have opinions on just removing the head at this point and trying to find an HONEST shop that will give an HONEST opinion? (Orange County, CA)

Or should I just roll the dice?

I am going to replace timing belt, water pump, main seal, oil pump and gaskets.
There's a little shop on pch just south of laguna. My ex father in law would take his xj there and they seemed pretty up front. I don't remember the name but I'm sure they are still there hanging into property value alone, may be worth a shot. You can also look up Jerry bransford on the forum, he is in San Diego and may be able to point you in the right direction.

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