Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Project DEAD-CAT Turbo 6.0L 4L80e - '99 Jaguar

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Old 11-20-2013, 08:36 AM
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Originally Posted by aknovaman
Dang clutter, running out of room to work on my stuff. Guess you can call me a hoarder of sorts. Got 3 80e and 2 60e trans, tons of harnesses and PCM's. Amazing how a 3 car garage can turn into a pathway into the house.

I have another 6.0L coming next week.

Just need to finish another harness for my buddy to get the $.

How many engines can you spy?
You and I have a similar disease. Since learning about these engines I feel a little strange if I don't have a spare complete engine, transmission and a lot of spare parts in the shop at all times. What happened to me? Is there a cure? Do I WANT to be cured? Hahaha.
Old 11-23-2013, 12:09 PM
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Looking good, I should come by and check it out some day. I almost bought an extra cummins engine the other day as well....just to have a spare
Old 11-27-2013, 10:34 AM
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This is a lovely project. You are more man than me to deal with such a large volume or rat poop.
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Old 12-06-2013, 11:06 AM
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Minor updates. Got my modified GTO oil pan tig welded and glass bead blasted. Next need to give it a good rinse and a clear coat to keep it looking nice.








Still need to buy cam.
Old 12-11-2013, 09:41 PM
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Good lord man you need an intervention!
there was only 3 well maybe 4 motors last time I was over, and you could walk around the front!
its coming alone great though!
Old 12-11-2013, 09:46 PM
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I confess; I have no less than 7 lsx engines, 6 trans, and 3 spare rear ends. All not in a vehicle and in running condition.......
Old 01-01-2014, 04:40 PM
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Ordered turbo cam yesterday.

220 230 580 590 115 LSA

Should arrive early next week. Let the assembly process continue!
Woo hoo !
Old 01-01-2014, 08:50 PM
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Sub'd for updates. Looks like a nice mild cam. Should be easy on the valve train.
Old 01-01-2014, 09:05 PM
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Originally Posted by gofastwclass
You and I have a similar disease. Since learning about these engines I feel a little strange if I don't have a spare complete engine, transmission and a lot of spare parts in the shop at all times. What happened to me? Is there a cure? Do I WANT to be cured? Hahaha.
I love it! For some time I thought it was only me. I'm not alone after all.
Great build by the way. As far as the motor mounts for the Jag, can you duplicate them and would you be interested in selling a set?
Old 01-02-2014, 05:25 AM
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Cool

I can make as many mounts as you want.

Subtile is one of my high priorities with this car. More performance and slightly more agressive sound than a stock LSx exhaust. Plans are for 3.5 inch oval exhaust front to rear for added ground clearance and single exhaust with invisible down-turned pipe just before the factory dual exhaust tips. Stock look from rear but definitely not stock under car.

Last edited by aknovaman; 01-02-2014 at 08:06 AM.
Old 01-02-2014, 05:42 AM
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I like I like.

Excellent build, can't wait to see it when it's all finished. That thing is going to haul ***** and hurt some feelings for sure.

So cool to see this get done!
Old 01-15-2014, 03:19 PM
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Cam arrived 220/230 581/591. Surgicaly cleaning the engine now before painting it black. Amazing how a 29K mile LQ4 has zero crud buildup inside. Will post some pics this weekend.
Old 01-15-2014, 05:01 PM
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Really cool build. I always loved these big Jags!

Quick question. How do you get a 96+ car to pass inspection? Here in MA we have to plug in the obd2 reader from the inspection station so it can read what the car is and check for any codes. I can get around not having any emission equipment on the car, but I don't know what I would do when it gets plugged in and it says its some sort of Chevy.
Old 01-15-2014, 06:25 PM
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I am adding the Gm obd2 connector under the dash for tuning and datalogging. The jag obd2 port will remain active to pull abs, air bag etc codes. I have no emissions testing but f all 1999-up emissions were present it would pass.not in my case as it will be turbocharged with no emissions devices retained.
Old 01-15-2014, 06:27 PM
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Xj8 jaguars have been converted and pass in CA emissions testing.
Old 01-15-2014, 08:50 PM
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We just got a 99 XJ8 in on the lot pretty rough old car with 206k on it I looked REAL hard at it, it would make good home for my 98 ls1. I could get it for 1800 out the door
Old 01-15-2014, 09:37 PM
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Too much $$ for 206k miles. Unless suspension is tight, driver seat leather is in good shape and clear coat is good. That's a good price if it had 100k miles. Shop on Craigslist for better deal.
Old 01-16-2014, 12:37 AM
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Great build you got going on. Would you have anymore information on the Gm to Jaguar interface....
Old 01-16-2014, 05:20 AM
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I am only aware of one source in the USA, jag specialties.

Last edited by aknovaman; 01-16-2014 at 08:12 AM.
Old 01-16-2014, 08:07 PM
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Wink

A few updates for the week.

Received Cam, chrome moly pushrods, Pac 1218 valve springs, LS9 head gaskets. Removed heads and inspected cylinder walls. 29K mile motor looked pretty much new on the inside. Working on cleaning the block this weekend, then paint and final engine assembly.

Got a bit delayed by another guy building a jag needing a LSx swap harness. Stripped it down today and will post pics of it when it's done. It will be pretty compact as the PCM will be mounted right behind the intake manifold same as mine. He is running a 60L and 80e, same as mine.















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