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abs works great when you do the "trick" - i smashed the brakes just last week in the snow with the "trick" on and abs went nuts |
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I use to get 30+ mpg in the summer! Quote:
Balls to the walls baby!!! |
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tks, |
Remember that the knock sensor goes deaf above 5700RPM so be careful with timing up top. |
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Like I said, it may do "something," but it doesn't turn your DSC or TSC systems any more "off" than by just pushing the button with the car running... |
I hate to derail this thread, but I can run pretty consistent lap times, and on corners where I can put the power down the car pulls harder out of the turns and the lap times are lower. I think it may remove or alter the steering angle boost limitation, I will be sure to record a data log of it the next time I run at streets of willow CW. The back bowl has 20º of camber in it so you are full throttle and steering at the exit. |
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I believe the "steering angle boost limitation changing with the 'hold and start' method" theory has been disproven as well, but I don't recall if it was on this forum or a different one... :dunno: |
there's a thread out there somewhere where someone claims to have data logged the difference in throttle plate position - with it opening more with the "trick" engaged - i remember reading it a long time ago.....i got really interested in this back when i first got my dh, but i don't think i ever logged it... |
HHHHMMMMMMMMMmmmmmmmmm......mmm..m.....m......mmm. |
^^ Not a very useful post, but it made me laugh. I have someone looking at my ecu this weekend. He probably won't have enough time to find anything useful since I need my ecu back for my car to run but he used to be an ECU programmer for Nissan so he knows a few tricks they use to limit stuff. |
Sweet! |
KGB Still would like to see some data logs of your increased timing runs... Tks |
lol...I'm getting them but wanted to wait and do it in more realistic, moderate weather that I will normally be in. Here in Tampa it's getting into the mid 20's and I want to wait until 60 or higher before I make any runs or determinations....this weather is odd but I will post ASAP...one thing I have noticed is that at idle my AFR never goes above 14.3 and my gas mileage is WAY down but for the couple of pulls I have done my fuel pressure is higher then ever If you want I will post my map and then post my datalogs later. *Edit* Wanted to also mention that while cruising, my AFRs jump from 14 - 15. They were at 14.6 -14.8 before....ok....hope to get some pulls in soon. |
I would have interest in both the 20°F and 60°F logs. It is 22°F here at the moment... |
kgb, from what i've seen, the idle afr you described is unusual, but the cruising sounds pretty normal - i've noticed my car tried to achieve about 14.69 exactly at idle |
so socks went down to cp-e and made a lair out of me .......... it is tuning frigin sweet their is hope !! now i need to find out if their is a cp-e tuner around here in Oregon |
Results were beyond what we even expected. We ran the car to 24psi on pump with no meth and made over 100whp and 100wtq more than his car dyno'd when he arrived. We were only able to go to 19psi on the dynojet run because an injector seal popped. 428whp at 19psi was fun to see. Too bad we didnt get to try the 24psi on that run. |
Congrats CPE, I look forward to seeing the dynos. |
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We're seeing some strange behavior on Dustin's car that may lead us down the right path. Past a certain point, MAF corrections no longer seem to have an effect on AFR. It appears as though the car is reaching some sort of ECU limited fueling cap. More to come as we learn more. |
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Didn't the Race Roots guys say something like after you reach a certain point you had to upgrade the fuel pump in the tank? Maybe that's it? |
They are not using the conventional setup like stock. Their intank pump is supplying more than the HPFP IMO. On a stock setup, or stock with upgraded HPFP, a failing intank pump should be evidenced by a drop in fuel pressure. At least that's what logic would lead me to believe. |
glad to see the community making progress. subbing, very excited to see what happens over the next few weeks :popcorn: |
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I know this doesnt have anything to do with the wall or the limitations cp-e broke through but... Anyone else see the RMR Soltice drift car? they upped the compression to almost 14.5:1 compression and are making over 500whp... and we thought we ran high compression for a boosted car lol. |
don't know if the solstice drift car has the same motor in it as the normal... but thats the LNF i do believe... DI |
Anyone running over 2.0 load? I logged up to 2.1 today... Looks like it is just using the timing from the 2.0 load... |
for load do you divide the calculated load by 10 or is there another load value to log? because a log i did today had load of 232 or 2.32 if you divide by 10 but i don't think thats right. |
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Like i've said, i've never seen above 2.0 load, even fully bolted running a 3071 @ 24psi. |
i had seen that with the ap before. if i would go too far with the maf scaling, the car would end up stupid lean. |
All this is starting to make me feel less stupid. I swear, at times out there i felt like a fucking cave man with a computer. Figured i was better off with a horse. Personally, everything worked fine with moderate power levels, but only became problematic as i upped the power. |
i would go too far trying to richen the car up, and i'd have to start all over. kurt (subparpunk) had it dialed in in 2 tries. Get a second set of eyes. what size maf do you have? with my stock maf housing, i ended up around 390 at 5v. dustin, gmail. i needz ur stock terbow |
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Alright, let's see if there's truth to this. The people hitting the MAF issues (at or above 2.0 load) please log using the DH: Fuel injection amount commanded AFR actual AFR mass airflow sensor RPM Log this in a 4th or 5th gear pull to redline. If it's cold outside it certainly helps. |
ok im off but i'd like to test me car for u..i don't think I have any issues but if you need I can log those in 4th and 5th to redline. |
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