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The mkiv Supra Owners Club

RL Traction Control - New users


Terminator

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Now I am sure Brad will respond with a quick one liner to the following post.

 

There must be quite a few of you out their who have fitted RLTC in the past few months, who may not be aware that the internal data file, while adequate, is not allowing you to achieve the full potential of this awesome bit of kit. Tonight I helped Darren S to set up his RLTC, I think he was impressed with the results. The stock file from RL either useless and does not work or provides a limited function. However the operation of the unit is so sophisticated, that even with this very basic file the system is still far superior to the stock TC system of either the J-spec or the UK spec. I am sure Darren will testify to this.

 

Contrary to popular belief I do not have shares in RL, I wish I did. However I do have a set of very good dat files that have been tried and tested by many members, which I will happily pass on to enable you to get optimum benefit from your purchase.

 

If you would like one of these files, send me an email containing your tyre sizes and your transmission type. I will send you what you need.

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Well that just about says it all really, with an hour of Phils time I can now fully appreciate the benefit of having RLTC. The difference is quite startling. My basic file was a joke and so my Supra grin is now even bigger.

 

Many thanks to Phil for his time (or Terminator as the avatar says???????)

 

Cheers

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  • 1 year later...

Hi Terminator ,

 

your profile doesn't show an email addy & I got no response by PM ..... can you sort me out with a file for an j-spec auto with standard tyre sizes on 17" rims please???.

 

Thanks , Myles

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pm sent

 

thanks

 

had it in ages but dont know if its set right from when rltc people installed it.

 

is it as good as people make out?

would love to go in a car to see what it can really do, dont think mines as it should be.

 

think we have got another mr niceguy part 2

 

matt harwood

Terminator

:thumbs:

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Guys,

 

I will sort out files and send to you along with instructions and other stuff.

 

Many members have sent me their original dats, including some from installations fitted by RL. All original dats I have seen so far have had room from improvement. Some were so bad the car would not run, most offer a degree of TC but, not the progressive and subtle TC that users of properly tuned RL dats experience. There are something like 47 variables in RLTC some make very subtle difference to it function others have a huge impact.

 

Graham Rudd's ( ex MKIV owner and Ex BBS member, developed a little windows application that made tuning and altering dats a walk in the park. It is a really pity that he never finished the analysis section, which allows recording of the RLK function to enable even finer tuning.

 

The package I send out free to BBS members £10 to non members (to encourage membership – proceeds to the MKIV.net member ship account), includes Graham's application, dat/s tuned to you gear box type and tire size, instructions and a few other bits of information. With a laptop, it takes, (if your link lead is attached and easily accessible), about 5 -10 minutes to install and check a dat.

 

If you have RLTC fitted and have not got one of these tuned dats, you don’t know what you are missing. So far everyone getting one has been very pleased with the difference. You have over a £1000 of TC hard wear in your car, why settle for less than the best dat.

 

Would you run your car on paraffin?

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Hi Term,

We spoke about this a few months ago - I will have tyre sizes in the next week (when I go and see her) and will mail you accordingly.If poss could you email me the instructions here so I can have a butchers at whats invloved ?

 

 

cheers

 

F A R

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Gotta say, I got a dat of Terminator a while back and the RLTC is sweet. The cut in is extremely subtle, so subtle in fact that I had to do some logging and a bit of aggressive driving to make sure the box actually worked!

 

Another thing I noticed was that after changing for 16" to 18" wheels, the car seemed slower and I thought I had a problem. But I used Graham's app to change the wheel sizes on the RLTC and normal service was resumed :) Seems that even having one thing out on the settings can adversely affect the box's performance.

 

So come on everyone get 'em sorted. Like Terminator said there's no point spending all that money and then not finishing the job!

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Only you know how you like to drive. If you have 225hp +, and you like to us it hard then you may benefit.

 

On the TT, RLTC it helps get the power down and keep the back end under control in the dry but it is a total transformation of the driving experience in the wet.

 

You may find it will transforms the way the car behaves on cold or damp/ wet tarmac or any other occasions when grip is less than perfect.

 

There are less powerful cars out there with TC fitted as standard. If I owned an NA MKIV I might go for it to give that peace of mind in poor conditions. If it prevents one arse out move into something solid then it will have paid for its self many times over.

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I have a Terminator supplied dat on my RL, I must say the system transformed the car, can use the throttle in the wet now! When I got the unit it's default settings were just plain wrong (4 cylinders etc.) so I never tried it without Phil's dat, can't imagine it would have worked very well without it though. :thumbs:

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How much is RLTC these days. I thought someone said the prices had come down, bu on the RL site it's still got £600-700.

 

Where is the best place to buy?

 

My plan is to definately get it before the shitty weather starts.

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T's famous DAT's are used around the world now, aren’t they T ?

 

They made a big difference for me as my RLTC came set up for a 4 cylinder car :eek:

 

It makes the TT much safer to drive in the wet IMO but, you still have to use your head....it won't save you if you try going WOT mid bend in the wet, you are just asking for trouble.

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I believe my dats have crossed the pond and gone east as you say Pete.

 

RLTC is not magic, it can not save you from the laws of physics. The limit of your cars traction is the level of grip between road and tire. RLTC reduces and stops rotational slip very quickly but lateral slip is not controlled. Any slip has two components rotational and lateral. Once you are into lateral and rotational slip whose sum exceeds the total grip of the tire, it is driver skill and enough room that will save you. Add water and a nutter and you are screwed until grip it regained.IMHO

 

You can use RLTC to hang the arse out in the wet round a roundabout, but that is a controlled manoeuvre on the edge of grip levels at the rear but still in limits at the front. Once the rear momentum becomes too great for front grip to hold you have had it. But we all knew that already.

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After my experience at Billing 2003, tuning up several members RLTC dat files, I left with just a little concern. One member who had been told by his installer, that a dat file supplied by me, had been uploaded, still had the base file supplied by RL in the system. All though this file does give a degree of traction control that is superior to the stock MKIV TC system, it is very basic and does not give access to the full range of progressive traction control features upon which RL has built its justifiable reputation.

 

I have not knowingly supplied dats to tuning companies. I only supply dats to individuals on receipt of data about their car. I do not charge money for this service. If you are told by a tuner that I have supplied the file please confirm with me first. I have a record and copy of all dats I have ever supplied.

 

Any user of RL who is unsure about the status of their RLTC dat, is advised to use Grahams app ( I can supply with very easy to follow instructions) to send me a copy of the dat so I can check the quality of the file. I will do this for free for any MKIVSupr.net member. Just because the system feels like it works does not mean it is working to its optimum, the chances are, if you can feel the TC cut in, your internal dat is a basic one.

 

BTW I have deleted a few pm’s in error I think some were RLTC dat requests. If I have not responded to any RLTC PM question please send fresh PM

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