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Ford 4.6 motor swap


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Guest
Anonymous Poster
meniemann@hotmail.com

Dec 21, 2008, 9:30 AM

Post #1 of 7 (2675 views)
post icon Ford 4.6 motor swap Sign In

I have a 1999 mercury grand marquis with a 4.6l in it and i am wondering if a 2007 4.6l out of a ford police interceptor would be an easy conversion or not...i figure it should be but it allready looks like the motor mounts are different and im worried about the tensioner pulley(timing cover can be switched in that case?) Thanks in advance for any help!!

Macc


Loren Champlain Sr
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Loren Champlain Sr profile image

Dec 21, 2008, 9:38 AM

Post #2 of 7 (2672 views)
Re: Ford 4.6 motor swap Sign In

Macc; AFAIK, those are two completely different engines. Anything is possible, but at the very least, the computer controls will be your biggest and costliest problem. The PCM and harness out of the 2007 will probably have to be used.
Loren
SW Washington


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Anonymous Poster
meniemann@hotmail.com

Dec 21, 2008, 10:15 AM

Post #3 of 7 (2669 views)
Re: Ford 4.6 motor swap Sign In

Yeah...that sucks...hopefully it wont be that bad...i have an ASE master tech that is helping me do it in the garage of my house...so we shall see how it goes...im not very excited about it thus far!!


Loren Champlain Sr
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Loren Champlain Sr profile image

Dec 21, 2008, 10:41 AM

Post #4 of 7 (2664 views)
Re: Ford 4.6 motor swap Sign In

Those Interceptor engines run GREAT. I'm pretty sure you'll be happy with the performance if you can get all of the bugs worked out.
Loren
SW Washington


Guest
Anonymous Poster

Dec 21, 2008, 10:44 AM

Post #5 of 7 (2663 views)
Re: Ford 4.6 motor swap Sign In

Im sure we can get it to work out...might just tak a little longer than expected...i will keep you all informed and if any questions arise i will be sure to check here for answers first.


way2old
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Dec 21, 2008, 10:57 AM

Post #6 of 7 (2658 views)
Re: Ford 4.6 motor swap Sign In

You are going to have to swap the intake and all sensors also. The 07 has a completely different set up than the 99. So what you might want to do is have both engines sitting on the floor side by side and look closely to see what will work. The block and heads will be the same. Just the periphials will need to be changed.



Being way2old is why I need help from younger minds


Guest
Anonymous Poster

Dec 21, 2008, 11:08 AM

Post #7 of 7 (2657 views)
Re: Ford 4.6 motor swap Sign In

i know the intake manifold will have to be changed it looks like also...gonna be a little bit of a project but i think it will be well worth it...got a rebuilt trans going in also and then a rear end and a suspension work done...thanks again






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