2004 w/ Jaguar 4.2 Engine Swap (1 Viewer)

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bradmwortham

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Jun 9, 2022
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2004
I love this forum so I thought I’d add to it myself. My 04 Thunderbird engine blew on me a few months ago and right now it’s in the shop getting a 4.2 Jaguar Supercharged engine installed as well as a PowerStop brake kit. I’ve seen multiple discussions about swapping a 4.2l in but haven’t seen any done. Any questions or advice is welcome. I’ll try to update this as the project moves along!
 
stevedaphotoman

stevedaphotoman

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2002
I love this forum so I thought I’d add to it myself. My 04 Thunderbird engine blew on me a few months ago and right now it’s in the shop getting a 4.2 Jaguar Supercharged engine installed as well as a PowerStop brake kit. I’ve seen multiple discussions about swapping a 4.2l in but haven’t seen any done. Any questions or advice is welcome. I’ll try to update this as the project moves along!
I hope all goes well for you.. Yes, keep us informed.. Just a quick question, why the Jag engine. Would a 5.0 Mustang GT engine fit? I always wanted to see that on Fantom Works or one of those Motortrend Network shows.., Ha, I could only imagine the bill from Dan aft the end of the show.. Something I could never afford..
 
M
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Aug 27, 2019
Thunderbird Year
2004
I hope all goes well for you.. Yes, keep us informed.. Just a quick question, why the Jag engine. Would a 5.0 Mustang GT engine fit? I always wanted to see that on Fantom Works or one of those Motortrend Network shows.., Ha, I could only imagine the bill from Dan aft the end of the show.. Something I could never afford..
Jag drops in 5.0 is Ford T Bird is jaguar platform
 
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JohnS

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2003
Are you sticking with the auto transmission? I would like a 5 speed manual....
 
B

bradmwortham

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2004
I hope all goes well for you.. Yes, keep us informed.. Just a quick question, why the Jag engine. Would a 5.0 Mustang GT engine fit? I always wanted to see that on Fantom Works or one of those Motortrend Network shows.., Ha, I could only imagine the bill from Dan aft the end of the show.. Something I could never afford..
The reason mark said. Discussed swapping with a remanufactured engine or a coyote but the Jaguar engine was by far the quickest/cheapest option. $3,652 for the swap and $1,096 for the brake kit.

Are you sticking with the auto transmission? I would like a 5 speed manual....
I'd love to eventually. Sounds like big project. Do you know if there’s any info on doing a manual swap?
 
biddle

biddle

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Mar 9, 2003
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2005
The reason mark said. Discussed swapping with a remanufactured engine or a coyote but the Jaguar engine was by far the quickest/cheapest option. $3,652 for the swap and $1,096 for the brake kit.


I'd love to eventually. Sounds like big project. Do you know if there’s any info on doing a manual swap?
They didn't even make a manual transmission for the Lincoln or Ford, so obviously this is not feasible or practical.
 
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JohnS

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2003
The reason mark said. Discussed swapping with a remanufactured engine or a coyote but the Jaguar engine was by far the quickest/cheapest option. $3,652 for the swap and $1,096 for the brake kit.


I'd love to eventually. Sounds like big project. Do you know if there’s any info on doing a manual swap?
That's what I was wondering. If there is a jaguar manual trans that would bolt on to the engine that you put in ?
 
M

M. House

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Jul 31, 2022
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2005
I love this forum so I thought I’d add to it myself. My 04 Thunderbird engine blew on me a few months ago and right now it’s in the shop getting a 4.2 Jaguar Supercharged engine installed as well as a PowerStop brake kit. I’ve seen multiple discussions about swapping a 4.2l in but haven’t seen any done. Any questions or advice is welcome. I’ll try to update this as the project moves along!
I would love to know the exact PowerStop set you are using if you don't mind. I just got done upgrading mine.
 
tomstoysy2k

tomstoysy2k

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Apr 14, 2020
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2004
I love this forum so I thought I’d add to it myself. My 04 Thunderbird engine blew on me a few months ago and right now it’s in the shop getting a 4.2 Jaguar Supercharged engine installed as well as a PowerStop brake kit. I’ve seen multiple discussions about swapping a 4.2l in but haven’t seen any done. Any questions or advice is welcome. I’ll try to update this as the project moves along!
I also upgraded my brakes on my first 04 years ago. And loved it so much I did it to two other birds I’ve had. The reason I did it to the first one was the OE brakes would fade on hills around the PCH north of SF. My brother who is a Master Mechanic for Nissan suggested Power Stop kit to help with the Brake Fade problem. And it worked. Good luck with the swap. One question is: what are you doing about the Jag engines computer?
 
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2002
May I ask, Reddwlf, how many miles did your blown engine have and are you sure it was blown? Also- How much horsepower is the 4.2?

Thanks and GOOD LUCK!!!!!!!!!
 
B

bradmwortham

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2004
May I ask, Reddwlf, how many miles did your blown engine have and are you sure it was blown? Also- How much horsepower is the 4.2?

Thanks and GOOD LUCK!!!!!!!!!
Thank you!! It made exactly 300hp in the S-Type R we’ll see.
 
B

bradmwortham

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May I ask, Reddwlf, how many miles did your blown engine have and are you sure it was blown? Also- How much horsepower is the 4.2?

Thanks and GOOD LUCK!!!!!!!!!
It was months ago that it blew but I believe a little over 120k. For sure blown. Originally was going to have the mechanic see if he could rebuild it but it wasn’t worth it. They said they’re going to deal with the issue when they get to it but they’re going to try to make the Jag computer control everything but I’m going up today for an update so I’ll let you know.
 
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