Whos going to be the first to try this:

https://www.celtictuning.co.uk/servi...tuning/stage-1

 

That is an unusually high hp gain, my admittedly limited experience was nominal hp gains (under 5%), bigger torque gains (around 10%)

 

It’s not out of line given what we got in hp and tq gains on the V6 (20% & 25%, respectively on the S).

 

And I understand it's easier to get gains from a turbo than it is from a supercharger.

 

Nice. I have the 250hp variant of the I-4 Ingenium in my XE, which I may want to tune at some point.

 

hmmm, yes I might have been confusing turbo for NA, I had a turbo s60R remapped years back but from memory the hp gain was under 10% and the torque better, but then the s60R was already running a high pressure turbo (basically what became the Focus RS 5 pot engine) and there may have been resistance to pushing the pressure up a lot more. Which might be similar to the P300 engine which is a boosted version of the P250, if you take it up to 340 as they say it is essentially running a third more than base spec. I dunno, but all of this is a bit of a mystery to me

 

Yep, lots of threads and posts here in the XF, XJ and XK sub-forums asking much the same question: "what can I do to get a power and torque boost from my NA engine?", and all with much the same answer: "not a helluva lot without opening up the engine and/or spending big bucks, you need a supercharged or turbocharged engine to get a good bang for your buck power boost, and trying to add a turbo or supercharger to your NA engine will cost a fortune and probably wouldn't work anyway, much easier, cheaper and less hassle just to sell your current ride and buy the supercharged version".

 

Just some info...
The 4 Cylinder Ingenium on the F-Type is NOT the same used in the 240hp applications. The heads, lower compression pistons, intake, fuel injectors, fuel pump and larger twin scroll Turbo are different and were required to achieve 295hp. This turbo engine does NOT leave a lot of tuning room. 25-28hp is the most I was able to squeeze out of it and still consider it reliable and within the safety buffer (discussed with a few other big tuners).
The 240 can be pushed to 280hp within safety margins. If you think these are unrealistic claims.... some guy came into our FB group claiming to have gaines 85+hp on his i4 using a BS piggyback system... LOL.

 

He didn't specify for how long, it might be plausible if you are on an engine suicide run.

 

Good to know about the engine enhancements as I have a xe p300 on order. Not that my missus is likely to be wanting (or allowing) any tinkering with the engine...

 

How does this tune work? is it removable if it has to be brought into the dealer?

 

I don't have any experience with tuning Jaguar 4 pot turbo engines, but I have tuned several Audi/VW 4 pot turbo engines in the past using BSR tuning equipment (ECU tune). The gain has typically been more than 50 hp and 70 Nm.

I currently have a VW Arteon 2.0 tsi with the 280 hp engine (more or less the same engine as in the Golf R but with a slightly different factory tune). With the stage 1 tune from BSR (software tune only), the gain is +74 hp and +103 Nm (359 hp and 462 Nm), and from my previous experience with BSR, they deliver as promised and well documented. They also make sure all gains are within the differents max limits to drivetrain, engine, pressure, cooling etc from factory specifications.

https://en.bsr.se/tuning-kits/t/3826...2017-2018-djhc

I can't see any reasons the 4 pot turbo aspirated Jaguar engine should not be able to have rather significant gains as well.

 

Nice! This is the convenience of factory turbo cars. Lots of power left on the table just waiting for a tune. It's a shame the 4cyl isn't a bit cheaper, it would be a great car to modify, it's the lightest weight FType, admittedly not by much, but still.

 

The turbo, even with the wastegate valve closed, can't go too far. It needs a bigger turbo.

Arne, yes VW engines leave a lot of room for great gains.

 

Specially if they have "the right turbo", as that is often the major limitation regarding the various Audi/VW 2.0 tsi engines. The different S-tronic/DSG gearboxes might be a limitation factor as well. I always did some "investigation" into those factors, before chosing the "right model" to have, when I bought the different Audis I used to have.

That was also a factor when we chose the Arteon. Not tuned it yet (due to warranty), but will probabely do it if we keep it beyond the warranty periode.