Where does Khaydin live, Death Valley?

 

lol.

Seriously, though, it only takes a small variation in the Baro sensor and you're looking at "15psi" being reported. Like, byte value 204 instead of 202.

So per-car variations come into it.

By increasing the safety limit a hair, it will allow those vehicles to have their dynamic boost targets work just as well at sea level as everyone else.

Rich

 

Plus the fact that there are places where it's possible to be driving below sea level lol.

 

^Hence the Death Valley comment

 

Haha, I live in MA. There's lots of hills and elevation changes here, I've seen from 14.5 - 15.0 in one day here.


Rich - If you're satisfied with my logs and how everything is working you can mark 55570005/55570006 as tested. Been running both patches for over a week now and haven't had any problems/abnormalities with them.

 

Done. Thanks!

Rich

 

Dumping the wgdc correction when the rpm drops works pretty well. However...

If you could find a way to tie a wgdc dump to say the manual shift signal, then the wgdc would dump prior to rpm drop, aiding high power SST car transmission life greatly. The switches in manual mode work off of a ground signal. The paddle and shifter are on the same circuit, just two different ground switches. I do not know if this would be possible in auto mode, but by the time you put a 35r on an SST car, it is revving so fast that the car cant get the shifts off before the rev limmitter in auto mode any way, so it doesn't matter.

Currently the work around I have been using is to dump wgdc in the table around where I want the car to be shifting. However this only works if the driver is consistent and shifts at the same point, wich is impractical.

If you find anything and need me to test it I will. The easiest rom for me to test this on is a 52690022, because I have one readily available.

 

How is dumping boost and creating driveline shock between shifts adding life to the SST transmission?

 

kosmic27, I haven't yet found the bitflag(s) saying "upshift in progress". Would love to have this, as currently the "SST Upshift Boost Management" patch has to do it the hard way!

razor, it may just be terminology. Technically, this patch just dumps WGDCC, not WGDC. The amount of WGDCC dropped will depend on the "max total upward" allowed in the first place, and the amount actually used by the ECU based on targets.

This patch operation has never been something you can feel - well, not on my dicky little t/c anyway!

Results vary depending on t/c (and probably bcs). BlackE lost more boost for longer when trying this patch. It's probably fine for stock setups, but may not be ideal for bigger/better systems.

Always room for more innovation!

Rich

 

Richard, I was talking about what Kozmic was saying, not what your patch does.

 

Been testing this on my car for a while now. Seems to be working well from what I seen.

Thanks for a great patch.

 

Cheers! Thanks for the update.

Rich

 

1. The car shifts to fast to fully dump boost on a waste gate blip.
2. On larger than stock turbo's running high boost (35R 30psi+), the transmission can not hold the power on shift. This will greatly reduce slippeage on shift on high power applications.
3. If it is adjustable, you could set a wgdc limit to dump to at shift.
4. It does not cause driveline additional driveline shock because the transmission does not fully unload like a manual car, so drivetrain backlash is never taken up on shift.

 

Okay, if I get the chance, I'll look into an upshift-triggered WGDC "reduction" version of this patch.

When Black E was testing RAX Patch on his modified X, he found it acted quite differently to stock bcs+turbo, and mentioned how useful it would be to have a configurable "percentage reduction".

I'll need to find the SST bitflag saying "I AM UPSHIFTING NOW!". The current RPM-watching style won't cut it.

All in good time...

Rich

 

^^ this , will be amazingly useful Rich

Thanks you for all your hard work to date!