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Originally Posted by Dwnshift
What you guys experience is absolute nothing new...even the Porsche 997 street cars experienced this in Conti series...as well as mustangs...camaros and even the BMWs so it isn't just a Nissan thing.
Almost all the cars is ST run the Tevus system (allowed to or not) and
every car in GS is now allowed a Bosch Motorsports or Tevis abs system.
When ran the ST 128 BMW after 2 events on the OEM stock pump ...it was toast and only got worse.
Basically I think ice mode burns up the pump and once you start having "ice mode" it will just keep getting worse or more often.
The man to talk to is Kurt Jung..is an electronic guru espc. on ABS systems.
He is also the main dealer Motorsports for the Tevus system.
The Bosch system is pretty advanced 10 preprogrammed maps and 2 specific maps based on inputs for specific car measurements....front and rear track, vehicle weight, wheelbase, and front and rear tire circ.
Both systems are expensive ...but so is crash damage.
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They don't quite experience ice mode like we do in 370z. I have been long time Porsche guy and ice mode in Porsches , Mazdas and BMWs isn't nearly as scary as 370z ice mode. Hell my Boxster was raced over and over and never had this issue. My track going MX5 didn't have this issue either? So it's downright inaccurate to say many other street cars have this issue and that the issue is the same. The ice mode in 370 let's off brake pressure far too much at all corners at once and doesnt regain pressure quickly enough. While some other systems may experience minor ice mode issues they aren't the same as what we experience.
And no it's not new it's been issue since our car was released without much done to fix issue other than to put $10k race abs system on car or turn off abs.
Most of cars running grand am run expensive systems due to tuning available. If you are in series to win using stock abs isn't going to cut it typically.