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Unread 02-22-2013, 06:55 PM   #1
shadygator
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2000 TJ Wrangler 
 
Join Date: Jan 2013
Location: Kernersville, NC
Posts: 54
Rebuild Kit for a 2000 4.0L

I recently blew the motor up in my 2000 4.0L Wrangler. I actually threw a rod through the block. (I'm getting a motor from junkyard). So a friend of mine wants to rebuild it for me, instead of buying a remanufactured motor from a parts store.

Has anyone done this? Suggestions? He also mentioned working the head, putting a different cam in it too. Honing the block. I guess Im looking for links to websites for the parts. Basically needing to be stirred in the right direction.

Then I was told there are different motors for a 2000 4.0L? Some years won't work with other particular models, years, can someone fill me in on this.

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Unread 02-22-2013, 07:14 PM   #2
Kracka00
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2004 TJ Wrangler 
 
Join Date: Feb 2013
Location: Tulsa, OK
Posts: 62
Quote:
Originally Posted by shadygator View Post
I recently blew the motor up in my 2000 4.0L Wrangler. I actually threw a rod through the block. (I'm getting a motor from junkyard). So a friend of mine wants to rebuild it for me, instead of buying a remanufactured motor from a parts store.

Has anyone done this? Suggestions? He also mentioned working the head, putting a different cam in it too. Honing the block. I guess Im looking for links to websites for the parts. Basically needing to be stirred in the right direction.

Then I was told there are different motors for a 2000 4.0L? Some years won't work with other particular models, years, can someone fill me in on this.
If you find a nice low mileage 4.0 you may be able to get away with just rebuilding the top end of the motor i. e. valve train, maybe throw in a better performing Cam and some aftermarket rocker arms and push rods to give you a few more untapped ponies (obviously providing the crank/rod bearing clearences are within spec on the donor motor)

However, unless your friend has a flow bench and he REALLY knows how to port and polish heads properly... you may just end up making the cylinder head perform worse than it was stock.
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Unread 02-22-2013, 10:07 PM   #3
George Dickel
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1998 TJ Wrangler 
 
Join Date: Mar 2006
Location: Mississippi Gulf Coast
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Stroke it!

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'98 Wrangler Sport, 4.6L Stroker
12 Counterweight 258 Crank (cut snout-casting #3214723), Sealed Power +.030 Hypereutectic Pistons, 5.875" Connecting Rods, CompCams 68-231-4, Ported/Polished Head, Edelbrock Header, 24# Ford Blue-top Injectors, 63mm bored OEM Throttle Body, Port matched Intake, Autolite Platinum plugs, Accel Coil, LiveWires Distributor & Wires, Centerforce Clutch, Hurst Shifter, modified Mustang GT Air Cannister - CAI, 18" Magnaflow and 2 1/2" exhaust, Balanced Rotating Assembly, Custom PCM tune.
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