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‘Downgrading’ to a non SC 5L XJ

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Old 10-29-2023, 07:56 PM
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Default ‘Downgrading’ to a non SC 5L XJ

Ok - I have the opportunity to buy a 2011 with a blown SC engine.

Rather than put another SC engine, would it be possible to install a 5L non SC motor?

Yes, it would be a ‘downgrade’, but non SC motors are much cheaper and easier to come by.

Has anyone done this?

Thank you for any insight you can provide!

Scott
 
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Old 10-29-2023, 11:41 PM
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Is it possible to keep the supercharger from the blown engine, and add it onto the non-SC one?
 
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Old 10-29-2023, 11:59 PM
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Originally Posted by Meanmugga
Is it possible to keep the supercharger from the blown engine, and add it onto the non-SC one?
Nup.
This question - "can I turn my AJ133 NA into an SC version?" - has been asked eleventy million times and the short answer is "no, not without spending yuge amounts, way more than it would cost you to trade your NA car for an SC car". Fact is I doubt very much anyone has ever done it, I have never read or heard of it being done successfully.
 
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Old 10-30-2023, 04:45 AM
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Originally Posted by OzXFR
Nup.
This question - "can I turn my AJ133 NA into an SC version?" - has been asked eleventy million times and the short answer is "no, not without spending yuge amounts, way more than it would cost you to trade your NA car for an SC car". Fact is I doubt very much anyone has ever done it, I have never read or heard of it being done successfully.
Correct - I do not want to do that. My question is can I replace the SC engine with a much cheaper NA engine. I don’t want to put the SC on the NA engine. I can find NA engines readily. I potentially have the chance to get a SC car (with a blown engine) cheap. No SC when it’s done.
 
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Old 10-30-2023, 06:31 AM
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Originally Posted by OzXFR
Nup.
This question - "can I turn my AJ133 NA into an SC version?" - has been asked eleventy million times and the short answer is "no, not without spending yuge amounts, way more than it would cost you to trade your NA car for an SC car". Fact is I doubt very much anyone has ever done it, I have never read or heard of it being done successfully.
Just to give another angle:

The car would have SC badges, but have a standard NA motor. The motor would not have any SC on it or anything. It would be just an NA motor. The only thing SC about the car would be the badges.
 
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Old 10-30-2023, 11:38 AM
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Notwise: Its not just only an engine swap. You have to swap quite high amount of eletronics as well, since SC have sensors/actuators what NA do not have and NA have sensors/actuators SC don´t have. If eletronics don´t get reply from these sensors/acuators after engine swap: You will get engine manulfuction light and restricted performance. NA engine will have sensors/actuators what your wiring loom dont have connectors and your electronics cant read/control.
Modern vehicles (all of them, not just jag) are far beyond that point that you could just swap the engine from one type to another, like "old days".
There was one fellow here in this forum who change +2013 engine to pre-2013 vehicle, and that was huge work. (elecrtonics changed from Denso to Bosch)
 
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Old 10-30-2023, 12:14 PM
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Please listen to Vasara!
This is an extremely complicated swap and not worth doing. If it can even be done?
You got the car cheap for a reason? It won't be cheap to fix it and if your not planning on a DIY repair I would get rid of the car now.
.
.
.
 
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Old 10-30-2023, 02:50 PM
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it would be cheaper to convert it to an EV lol
 
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Old 10-31-2023, 10:31 AM
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Originally Posted by clubairth1
Please listen to Vasara!
This is an extremely complicated swap and not worth doing. If it can even be done?
You got the car cheap for a reason? It won't be cheap to fix it and if your not planning on a DIY repair I would get rid of the car now.
.
.
.
Thanks for the great insights everyone. I've decided against buying the car as it seems like a true ordeal to change it out.
 
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lotusespritse (10-31-2023)
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Old 10-31-2023, 12:24 PM
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It could be a great project if you put the SC 5.0L back in it?
It would be a whole lot easier to.
.
.
.
 
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Old 10-31-2023, 12:44 PM
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Originally Posted by notwise
Thanks for the great insights everyone. I've decided against buying the car as it seems like a true ordeal to change it out.
notwise, that was very wise of you.
 
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