98 and 2000 engine swap - Mustang Evolution

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Old 03-07-2014, 07:24 PM   #1
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98 and 2000 engine swap

My dad and I just purchased a 2000 mustang gt with a low end knock, probably a crankshaft bearing. We are capable of fixing it but we had found a 98 mustang gt that has been in an accident, but the engine is mint. Is it possible and easy to swap the 98 mustang gt engine into the 2000 gt body? The 98 is a standard and the gt is an auto.
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Old 03-07-2014, 08:58 PM   #2
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Short answer is yes, you can swap the 98 engine into the 2000. If it were me, I would only use the short block from the 98 and put the heads and intake from 2000 on it.


My favorite saying is "nothings impossible for the person who doesn't have to do it". Whether this is easy or not depends on your skill level.
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Old 03-07-2014, 09:49 PM   #3
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Why the heads? I can understand the intake.
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Old 03-07-2014, 10:09 PM   #4
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99-04 were PI heads. 96-98 were non-pi heads. A plethora of info around on why PI heads are better due to port size. Just do a search on any forum or search engine on PI swap. Just my .02 on what I would do. It would be useless to go into much more detail here when there is so much info out there. Hope this helps you out in your decision.
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Old 03-08-2014, 02:24 AM   #5
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Right, and as for the wiring harness, virtually the same or identical?
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Old 03-08-2014, 07:55 AM   #6
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If you do this, the ecu in the 99-04 mustangs are more likely to cause detonation with the high compression from the PI swap. Make sure if you hear it pinging to get a dyno tune after the fact and only use 93 octane. I did this exact swap and had this exact issue.
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Old 03-08-2014, 10:58 AM   #7
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The swap was fairly simple? We are going to pick up the car today and look at the other one probably this weekend.
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Old 03-08-2014, 05:39 PM   #8
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If you do the swap break the 98 motor down to the shortblock and swap EVERYTHING from your 2000 over. You will wind up with a 10.5:1 compression engine after that so make sure you run 93 octane or as high as you can get and a tune would help but not required.
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Old 03-30-2014, 04:39 AM   #9
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The car sold and we purchased a 99 gt with front end damage, engine and tranny is mint so we will be using that for the swap now. Works almost perfectly.
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Old 03-30-2014, 06:55 AM   #10
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Sounds like it worked out then!
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Old 03-30-2014, 08:14 AM   #11
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That will be a 100% direct swap.
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Old 03-30-2014, 12:17 PM   #12
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Yep, plus the car has a decent set of rims which we needed and a full black leather interior which I'll be putting in my sn95. So its going to be pretty good, just have to wait till we put the transmission into my brothers car so it can get out of the garage to start the swap!
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