All Things Mk5 > Performance Modifications

Quite induction

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pudding:
Stock intake back on.  B9,T4,F8.  Drives superb  :smiley:   Much more responsive everywhere compared to Revo + B9,T5,F7.

The only reason I can come up with for that is the very short path of the stock intake.   Turbo inlet to filter is about 18 inches, compared 4+ feet of drain pipe to filter.

The VWR is also a lot more responsive low down than the Revo intake.

With turbo engines, the air intake and exhaust paths need to be as short as possible for maximum response.   

Therefore my 'problem' is more fundamental than MAF scaling/trims, it's just basic physics. 

If you look at the AMG A45 and BMW M turbo engines, they all have very short boost paths.

This is how it should be done (M3 turbo engine) :smiley:

Bodyboarder81:
I’m new to all these revo settings .... back when I had a revo map the sps controller was for 4 different maps ( shell v power /95/stock/limited rpm)

I have a sps controller but it’s the old style I presume .

 I guess the new ones you can play with everything ( boost/timing/fuel) but why would one bother to pay for a ‘+’ map just to play with the settings anyway ? Could you not just use the sps controller to run + settings anyway ?

pudding:
Doesn't work that way chap.  + is + level of boost.  It's fixed.  So you can't get a Stage 1 map and up it to 2+ with an SPS  :smiley:

The adjustable settings just fine tune things like boost responsiveness, target air/fuel ratio and ignition timing.  B3 or B9, you still get 2+ boost pressure, just one is more aggressive than the other.

To be honest I don't really feel much of a difference performance wise across the settings, they're pretty subtle changes, but mine seems to feel smoother with less timing and less fuel, so there's an advantage to having adjustments right there  :happy2:

Bodyboarder81:
Right .... thanks for explanation, makes sense  :happy2:

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