All Things Mk5 > Members Rides
TF51 VRS - R Tech/BBT Hybrid K03 330/400
john a:
FIGHT!!
Been to Nottingham and back this morning, about 100 miles all in. Christ it's fast and so, so smooth and tractable. Yes you can't give it full hammer in 1st and 2nd as there's just not enough traction in the wet and actually, it's capable of spinning the wheels in 3rd at 60mph too! With the linear throttle you just feed more and more power in and the car just wants to go and go and go.
The man's a bloody genius, there's no other word for it!
Hurdy:
Excellent results John. :happy2:
Graph shows just how immediate the delivery must be.
john a:
It certainly is John. :happy2:
If you look at the graph there is a very small area where the APR map had a small advantage in terms of spool but negligible to be honest.
That's also producing peak power at 1 bar - the stronger actuator ought to hold boost towards the redline and as a result should see approx 20 bhp extra. Nick seems to think it's flowing well, which is probably half the battle, and apparently nearly runs off the clock in 5th on the dyno!
Leigh200sx:
Excellent results and in would be very interested in the price if this turbo as I'm currently getting my car ready for k04 but this may be a option
john a:
On the Beach Buggy Turbo site, these are £650 + £75 for a 15PSI uprated actuator.
Yes, you're getting well into K04 money but I suppose the advantage is that it's almost a like for like swap - you don't have to fit all of the extra pipework, relocate the DV, etc and there is some comfort in that you're essentially getting a fully rebuilt hybrid K03 rather than a potential unknown quantity of a second hand K04.
With a stock actuator it's down on power vs a potential 360bhp out of a stage 2 K04, however if you follow R Tech's Facebook feed then you'll have seen the stage 2 S3 on there today that made 344 bhp and 358 lb ft. With the uprated actuator, in theory the hybrid K03 should give another 20bhp - that's 340 bhp and more torque than the K04 powered car.
By no means a conclusion but the points for me are:
* If you're just interested in numbers, get a K04 and go Stage 2 or 3 or whatever terms the various tuners give to their own products and stages of tune.
* This is still a development tune, I guess the maximum it's capable of is probably around the 340 bhp mark but with bloody lovely power and torque curves
* After everything else, it's such a bloody nice car to drive. Massively fast, recently described as terrifying (by a passenger, so it was either me or the car, and he's had some quick cars)
* At the end of the day, it's fun and isn't that what it's all about? :happy2:
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