Sorry andre,
I meant to say thanks for the advice, - you should ask these guys for your own cyber office on this site
DC

 

Not to be a pest... :-)
When do you think this will be? I'm thinking this might be all my STR needs to make me want to keep it! (well.... and maybe a way to select 1st gear manually :-( )

 

Thanks DC, but basically this is already my office ;-)

@McJaguar
Sorry, I can't put a date on it yet other than that it will be comming.

 

Could you PM and give me the price for an 02 XJR?

 

While I love ....love my 8, at times reading this thread, I sometimes wonder if i should have opted for the R instead...lol

 

Am very pleased to announce progress on the twin-screw kit for the 4.2 STR, 4.2 XJR and possibly the 4.2 XFR.

The major parts for fitting are now designed, and after a final check, they will be send off for a 1st production.

That can still take a couple of weeks, but once received a 1st test fitting can be done on a mockup engine. Pending on those results, shortly after a true 1st install can be planned.

 

*cough* about time *cough*

 

That is very welcome news for many of us waiting for more power. Thank you Avos

 

Would the liquid cooled SC from Kenne Bell be even better?

 

Am expecting the parts to arrive the 1st week of March, so am really excited to do a test fitting to see how it worked out.

In the mean time I am also working on a new larger MAF to support the additional power, or better said to get more out of the setup as the TS kit will not be the limiting factor anymore for more power.

I have looked into the Liquid cooled setup when they came out, but I have decided not to pursue this setup. I believe that on our cars we don't push the unit to the max (where it would show its benefits), and the front cover I designed has already cooling via added ribs, sufficient for our setups/driving. The costs for changing the design and the extra costs for these units don't outweigh the benefits imo. But if someone wants it I could design it.

 

Great news on the STR kit. Would be very interested in it.

 

STR kit eagerly awaited
a Trip to Belgium would be a decent break and a fun drive home afterwards I reckon.

 

In case anyone wants a look, the kennebell pdf page Andre linked has moved to: http://kennebell.net/KBWebsite/Commo...romcatalog.pdf.

BTW Andre - I noted you got interested in the twin-screws because of aj.. How come you went for the kennebell instead of the swedish opcon? (just curious really).

 

Andre, your work is amazing and is very inspiring.

I recently traded in my 2009 normally-aspirated XF for a new
XJ-L with the 3.0 L supercharged AWD. With the 8-speed ZF tranny,
it is very smooth but I would like to have more power especially for
passing, etc. Dropping from the 5L V8 to this engine cost me 40 hp, but it's not a bad performer overall; just needs some more zoom-zoom

Since I live in New York, I am in the process of looking for shops capable of some aftermarket work, as I am very interested in your work and would like to adapt your kit to my car.

My knowledge of the specifics is limited, but I am patient and will try to learn more about the technology involved.

Thanks for your contributions and to all the responses that have helped me in understanding this significant upgrade.

 

Actually my 1st prototype was with a 1.7L Opcon, and that one performed already pretty well, was able to get 380rwhp from it. The 2.1L KenneBell unit offered more displacement and was short enough to still fit without major adjustments, but also with this one was to small and noisy. The 2.6L High compression unit has proven now to be a perfect fit for our application.

 

@Arooj,

Thanks for the kind words. Although I will not have a package for your engine/model, I am supporting a tuner to remove limiters/increase performance for the 5.0 SC, and am sure that will also be of benefit for the 3.0 SC versions, especially with a pulley change (but that's only of benefit I the power limiters are removed from the ECU).

 

Thanks, Andre. I understand that this engine configuration is relatively new and will take time to sort out.

Your suggestions about the ECU are excellent; I will investigate further and if I find something of interest I'll share it with everyone. I like your approach of refining the performance without taking away the other qualities of the car.

 

Please keep us appraised of the progress, and how soon you think they'll be available to us. (I'd be happy to 'test-fit' one for you )

 

Received the parts yesterday, 1st impression is good, and this weekend I will be test fitting it on my mockup engine.

If all is well a 1st real install can be planned.

 

Good news so far, I am happy with the quality of the parts and also the main design!

Some small things have to be adjusted, which I will do now manually, and then the drawings can be updated for the next sets.

Will plan now the 1st real install for early/mid April. By that time I also hope to have a 3.5" MAF system ready as well, otherwise that will follow slightly later.