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Old 06-26-2009, 08:16 PM   #1
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4.2 swap confusion

I read every 4.2 swap post on here so I dont want the use the search answere.

I have a 2000 3.8. There is no weight on the balancer.

Originally Posted by 97Stallion View Post
If so check the manufacture date on the inside of your door jam, you're engine might already be neutrally balanced. All late 2001 V6's came this way, Ford changed this mid 2001. So it might save you some money. But anyways, to stroke your engine to a 4.2, you will definately need a 4.2L crank and connecting rods and pistons at a minimum. If you're manufacture date on your door jam is oct 2000 till about march 2001, you need a new oil pan and flywheel and harmonic balancer as well. If your date is april something 2001.
I've heard it was late 00's+ that went internal.

Originally Posted by pete View Post
The 99-00 3.8s used a factory windage tray/girdle that is better than nothing but certainly not ideal. The 01-up 3.8s use the same windage tray/girdle as the 4.2.

Late 00 3.8s are actually early 01 spec engines that are internally balanced. If you have one of these.....just use the notes for an 01-up.
Also did the late 00's have the same girdle/tray, oil pan and oil pickup tube as the 01+?

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Old 06-29-2009, 07:38 AM   #2
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Re: 4.2 swap confusion

yea in mid 00 the balancer went to internal vs external, its easy to spot you will have a fully round harmonic balancer vs one with a notch in it. I know my 01 was fully round.

I am not sure on the girdle tray (I assume the same) but the rest as far as I know is the same
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