Hello, I got lucky and received a 1993 (Crown Vic maybe) 4.6 motor that has never been run in it's life and never taken apart either, all the parts are still torqued down and without a trace of wear on the inside. The motor has no Vin or any information about it besides the number on the side of the block and a small tag with some random numbers I cannot decipher. I plan on strengthening the internals and putting it into a 2003 GT manual to have it Vortech supercharged. I am rather new to motor swapping and just want some advice on what I have to do to make the motor compatible in the GT, it's a Romeo block with completely stock internals I just would like to know what mods have to be done to make it compatible with the GT (mainly with electronics and heads and such) as well as what it needs to be able to handle around 500hp. Thank you in advance and any questions about specifics just ask and I will do my best to get them to you.
93 4.6 into 2003 GT help
- Thread starter Overused03
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- 2003 gt crown vic help motor swap
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There are differences in the 4.6 blocks older than 1996 compared to the 1996+ blocks that will make this a difficult swap.
Just wondering. Have you searched car-part.com for a motor that would be a much better base for your project? For example a 2003+ Romeo PI from a Ford Panther (Town Car, Grand Marquis, or Crown Vic).
With the mods you are planning to make, I'm not sure that you are actually getting the best "base" for your project.
I figured that would be an issue is it just the difference in heads and pistons like npi and pi or is there deeper differences like completely different crank and piston head clearences? I plan to replace the heads, pistons, rods, intake mani and crank so I was going to do a npi to pi swap in the process. Also found out the motor is from a grand marquis block F2VE. Thank you for your response by the way 
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