LVSBB6's MR dyno
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LVSBB6's MR dyno
Got my MR tuned at a local dynapack facility, running stock turbo with bolt-ons listed in my sig, tuned via Cobb ATR on 94 oct. This dynapack reads relatively low compared to others, with around 50% drivetrain loss on AWD vehicles. As reference a 1.8T A4 makes 110whp and a V8 S4 makes 220whp on this dyno. While a stock STi only manages 190whp, I would imagine a stock Evo X would also make somewhere around this number.
The run-downs:
Baseline: bolt-ons with no tune: 231whp/258wtq
Green: bolt-ons with initial custom tune: 280whp/303wtq
Blue: MIVEC tuning added: 276whp/298wtq (40wtq+ @3000rpm/60wtq+ @3300rpm)
Pink: Okada plasma ignition installed: 279whp/301wtq (15whp+ @7000rpm)
Red: Final tuned: 294whp/311wtq
Boost:
23psi@3500rpm
26psi@4000-5500rpm
24.5psi@6000rpm
23psi@6500rpm
21psi@7000rpm
A/F:
12.5 @ spool, 11.3-11.5 thereafter.
Car is amusingly fast and pulls strong all the way, torque hits hard and and spool-up is insanely quick. SST is holding up well with the new founded power and shifts smoothly. I'm happy with the end result.
The run-downs:
Baseline: bolt-ons with no tune: 231whp/258wtq
Green: bolt-ons with initial custom tune: 280whp/303wtq
Blue: MIVEC tuning added: 276whp/298wtq (40wtq+ @3000rpm/60wtq+ @3300rpm)
Pink: Okada plasma ignition installed: 279whp/301wtq (15whp+ @7000rpm)
Red: Final tuned: 294whp/311wtq
Boost:
23psi@3500rpm
26psi@4000-5500rpm
24.5psi@6000rpm
23psi@6500rpm
21psi@7000rpm
A/F:
12.5 @ spool, 11.3-11.5 thereafter.
Car is amusingly fast and pulls strong all the way, torque hits hard and and spool-up is insanely quick. SST is holding up well with the new founded power and shifts smoothly. I'm happy with the end result.
Last edited by LVSBB6; Aug 9, 2009 at 10:28 PM.
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Compared to dynojet, the dynapacks reads low especially this one, but it is a very accurate tuning tool indeed. I was getting consistent numbers run after run so I`m not sure how you come up with that statement. There is bound to be difference in numbers between dynos, and even within the same type of dynos.
Without variables of wheel pressure, alignment, strap tension and a built in weather station, i would say Dynapack is the most repeatable and is the reason why most big tuners and motorsport sanctioning bodies use them, and also why they cost twice as much. No one races dynos, they are simply a tuning device.
Without variables of wheel pressure, alignment, strap tension and a built in weather station, i would say Dynapack is the most repeatable and is the reason why most big tuners and motorsport sanctioning bodies use them, and also why they cost twice as much. No one races dynos, they are simply a tuning device.
Last edited by LVSBB6; Aug 10, 2009 at 10:01 AM.
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Boost is actually lower from 26.5psi to 26psi in the final run just to play safe, we made adjustments mainly on the timing and mivec tuning, A/F was tuned to be conservative in the low 11s. Its quite a blast to drive indeed
Last edited by LVSBB6; Aug 21, 2009 at 04:13 PM.
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