1997 Lincoln Town Car - can I swap using a later model Town Car 4.6L engine and computer?

Asked by Kyle Oct 28, 2017 at 12:55 PM about the 1997 Lincoln Town Car Signature

Question type: Maintenance & Repair

1997 Lincoln Town Car - bad compression on #5 cylinder.
$1500 - $2000 bid to take apart and rebuild heads and valve train.

Can I swap engines/computers using a later model Grand Marquis, Crown Victoria or Town Car 4.6L engine, as long as I use the newer computer together as a matched set?

2 Answers

68,135

Yes, any of those would work, but you will still need to to reflash engine computer when done. Your older transmission won't work with newer engines, mainly due to torque ratings, shift points, electronic vs vacuum, etc., so either swap out entire drive train or stick to an older drive train (circa 97-98). You also want to know the differential gear ratio of the donor car, if it matches yours (good), if not, you'll need to know what it is for programming ecu. BTW, you should check with all the local auto salvage and parts dismantlers, I see used and refurbished heads for about 200 a pop, entire engines for 600 w/ 6 month warranties. Places online are much higher, but I'm talking LOCAL salvage yards. Go see them in person and start asking around.

3 people found this helpful.

If you stick withe the same yr n specs just drop the engine n drive. Most towns are in salvage due to wrecks or abandoned. Also try to get 1 that you can hear it run first

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