![]() I can tell you with EFI LIVE and a Roadrunner PCM that automatically makes changes to VE as you drive its a piece of piss and takes a fraction of the time than doing it manualy or even with RTT. But with appropriatly setup MAPS (Histograms) and filters to help you out it works very well. Its time consuming and the errors are often small so you need a fair bit of data to confirm changes to avoid chasing your tail. If you generate a >1.0 error you've made torque and <1.0 you've lost it. What else could I monitor to see if a change has improved or decreased the performance?I've developed a similar process but I use MAP not TPS, but I guess TPS works fine too as they do generally chase eachother.Īnother more dynmaic enhacement over that process is apply the same techniques but with VE. View Profile View Forum Posts Private Message 2 Days Ago Delay Volume. I don't think this will work for WOT cells since the TPS is over 90% all the time. Has HP tuners recently incorporated extra file protection into the latest versions of the software. I did some tunes over the mail for people by having them adjust the tune to open loop, EQ1, pull out a bunch of spark so they could go to high MAP without pinging and drive around logging NBO2 voltages. What do you think about that? From the first try where I wasn't very careful to be smooth on the throttle it seems that GM is already pretty right on for my stock truck. When I first got HPTuners (1.01) I had no wideband. What else could I monitor to see if a change has improved or decreased the performance? I don't think this will work for WOT cells since the TPS is over 90% all the time. What do you think about that? From the first try where I wasn't very careful to be smooth on the throttle it seems that GM is already pretty right on for my stock truck. If it increases then I subtract 1* from that cell in the timing table and if it decreased then I add 1* to that cell in the timing table. Then I take the new TPS histo information and put it in excel too and have excell show me if the average TPS increased or decreased in each cell. Next I increase the timing in the high octane table for the cells I hit by a couple degrees, flash the new tune and do it again. Then I put my TPS values from the histo into excel. I'll log for a while driving as smoothly as possible and at normal operating temperature. I have a histo set up to monitor the TPS at different RPM and Map ranges. So I'm logging Timing advance, Knock retard, Throttle Position, RPM and Map. I've tuned the VE and maf with good results (again, only in CL areas). maf enabled, VE enabled, DFCO enabled, everything. I have all my settings the way I'll be driving i.e. Supposedly, when your MAF 'fails' it goes into low octane spark. ![]() ![]() Copy High octane spark table, and Paste into the Low octane spark table. (This makes your computer go into default mode. Here's my idea for dialing in Timing, at least at cruising speeds. Set P101, 102, and 103 to 'MIL on first error' and disable SES light.
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