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[sam_a156]

Quote: Originally Posted by 1320autos (original)

On the JCW plot he's dyno it in 5th 130mph / 209kmh @ 7200
On the latest session he's dyno in 4th 104mph / 167kmh @ 7123rpm

Yup, so apart from the different size & type of tyres, also this makes the numbers less comparable.

Quote: Originally Posted by Dr Obnxs (original)

When you're there, see if they'll tell you who's software they use for tuning. Over here, most are using DimSport from Italy, but I ran into another European company that does this kind of stuff when I went to SEMA (a big aftermarket automotive supply show held each year in Las Vegas).

I was spying on them when they started They used CMD - also from Italy (CMD Technologies srl).

Quote: Originally Posted by roland2003 (original)

As you can see guys there is a minefield of possibilities for getting false results (either of your tuning or power running ) on the RR
:
-Get a scanguage 2 so you know what your intake temps in say 4th gear will be on the road beforehand.

Right...and this gadget will go to my (rapidly growing) shopping wish list...

I did some test driving yesterday in dry conditions and the car really felt quite good indeed. TBH, I would struggle to say that there was any noticeable difference from my last summer's top condition after GTT visit especially that there is several months in between.

It is possible the the latest figures are conservative, beats me. But the before/after ECU tune difference I can tell: the car is now much more lively and responsive.

Edit: Scan Gauge II ordered