High IAT?
Thread Starter
|
Junior Member
Joined: Dec 2024
Posts: 1
Likes: 0
High IAT?
hello everyone, i had a question. I currently own a 2012 Jaguar XF Supercharged. I've been having Really high IAT lately and don't really know why. After driving it for about 30ish minutes it sit around 180F and if i continue to drive it, its gotten as high as 200F+. I know this is a Supercharged motor, but is this to high? it was around about 150F for a long time but now its getting higher temps. Thanks in Advance for the advise
Senior Member
Joined: Jun 2015
Posts: 132
Likes: 64
From: FL
Unfortunately that is normal. My XFR does the same thing as your XF-S. It's pretty bad when it gets that high the ECU pulled all the power out of the car. I was sitting in the pits of a racetrack when I noticed it. The first runs was going about 82mph on the straight, the third run the heat soak was already 180+ degrees and I only hit 60mph on the same track.
Car handles great, brakes were strong, the engine was great but the heat soak is an issue.
To combat this I have a plan to eliminate the source of the temps. I researched the problem extensively and found there are a few design flaws in this system. To fix:
-waterjet an ePTFE spacer to insulate the S/C off the block. Also have ports in spacer to add .
-Epoxy Aspen aerogel to the bottom of the Supercharger to keep motor heat from baking it
-Divorce the engine coolant with the supercharger heat exchanger and run a seperate insulated tank with this add Piedburg pump
-Add a interchiller to the intercooler and insulate the lines and possibly ceramic coat the intercooler housing with bigger intercooler radiator
-Add a Stagemeyer Venom Cooler to the S/C.
-Run a Prius electric compressor on the system for the interchiller to have its own compressor
-Have a dual walled insulated made with ceramic coating and aspen aerogel inside the dual walls.
-Remove the stock intakes from over the radiator and find a different path side of the intake to the fender or straight through the hood with a dual .
I plan on recording the intake temps as I do each one. Most of these are inexpensive. The results of having ambient air intake temps are worth HP but more importantly the heat soak will not be prevalent like it is now. The car makes plenty of power as long as it doesn't get hot. It would be awesome to do a HPDE session for 20+ min on a race track and not have any power pulled by the end of it with ambient IAT.
Car handles great, brakes were strong, the engine was great but the heat soak is an issue.
To combat this I have a plan to eliminate the source of the temps. I researched the problem extensively and found there are a few design flaws in this system. To fix:
-waterjet an ePTFE spacer to insulate the S/C off the block. Also have ports in spacer to add .
-Epoxy Aspen aerogel to the bottom of the Supercharger to keep motor heat from baking it
-Divorce the engine coolant with the supercharger heat exchanger and run a seperate insulated tank with this add Piedburg pump
-Add a interchiller to the intercooler and insulate the lines and possibly ceramic coat the intercooler housing with bigger intercooler radiator
-Add a Stagemeyer Venom Cooler to the S/C.
-Run a Prius electric compressor on the system for the interchiller to have its own compressor
-Have a dual walled insulated made with ceramic coating and aspen aerogel inside the dual walls.
-Remove the stock intakes from over the radiator and find a different path side of the intake to the fender or straight through the hood with a dual .
I plan on recording the intake temps as I do each one. Most of these are inexpensive. The results of having ambient air intake temps are worth HP but more importantly the heat soak will not be prevalent like it is now. The car makes plenty of power as long as it doesn't get hot. It would be awesome to do a HPDE session for 20+ min on a race track and not have any power pulled by the end of it with ambient IAT.
Last edited by Sterling Smith; Dec 6, 2024 at 06:06 AM.
Junior Member
Joined: Sep 2025
Posts: 1
Likes: 0
Unfortunately that is normal. My XFR does the same thing as your XF-S. It's pretty bad when it gets that high the ECU pulled all the power out of the car. I was sitting in the pits of a racetrack when I noticed it. The first runs was going about 82mph on the straight, the third run the heat soak was already 180+ degrees and I only hit 60mph on the same track.
Car handles great, brakes were strong, the engine was great but the heat soak is an issue.
To combat this I have a plan to eliminate the source of the temps. I researched the problem extensively and found there are a few design flaws in this system. To fix:
-waterjet an ePTFE spacer to insulate the S/C off the block. Also have ports in spacer to add water/meth injection.
-Epoxy Aspen aerogel to the bottom of the Supercharger to keep motor heat from baking it
-Divorce the engine coolant with the supercharger heat exchanger and run a seperate insulated tank with this add Piedburg pump
-Add a interchiller to the intercooler and insulate the lines and possibly ceramic coat the intercooler housing with bigger intercooler radiator
-Add a Stagemeyer Venom Cooler to the S/C.
-Run a Prius electric compressor on the system for the interchiller to have its own compressor
-Have a dual walled insulated Titanium intake made with ceramic coating and aspen aerogel inside the dual walls.
-Remove the stock intakes from over the radiator and find a different path side of the intake to the fender or straight through the hood with a dual naca duct.
I plan on recording the intake temps as I do each one. Most of these are inexpensive. The results of having ambient air intake temps are worth HP but more importantly the heat soak will not be prevalent like it is now. The car makes plenty of power as long as it doesn't get hot. It would be awesome to do a HPDE session for 20+ min on a race track and not have any power pulled by the end of it with ambient IAT.
Car handles great, brakes were strong, the engine was great but the heat soak is an issue.
To combat this I have a plan to eliminate the source of the temps. I researched the problem extensively and found there are a few design flaws in this system. To fix:
-waterjet an ePTFE spacer to insulate the S/C off the block. Also have ports in spacer to add water/meth injection.
-Epoxy Aspen aerogel to the bottom of the Supercharger to keep motor heat from baking it
-Divorce the engine coolant with the supercharger heat exchanger and run a seperate insulated tank with this add Piedburg pump
-Add a interchiller to the intercooler and insulate the lines and possibly ceramic coat the intercooler housing with bigger intercooler radiator
-Add a Stagemeyer Venom Cooler to the S/C.
-Run a Prius electric compressor on the system for the interchiller to have its own compressor
-Have a dual walled insulated Titanium intake made with ceramic coating and aspen aerogel inside the dual walls.
-Remove the stock intakes from over the radiator and find a different path side of the intake to the fender or straight through the hood with a dual naca duct.
I plan on recording the intake temps as I do each one. Most of these are inexpensive. The results of having ambient air intake temps are worth HP but more importantly the heat soak will not be prevalent like it is now. The car makes plenty of power as long as it doesn't get hot. It would be awesome to do a HPDE session for 20+ min on a race track and not have any power pulled by the end of it with ambient IAT.
Junior Member
Joined: Jan 2025
Posts: 19
Likes: 4
From: Nashville Tn
Those numbers seem pretty high. The last data log I did weren’t near that high My car is tuned and I have an open cone type intake from Mina Even on a super hot day at around 100 outside I was only registering 164
Thread
Thread Starter
Forum
Replies
Last Post
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
