<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stizzit &raquo;</TD></TR><TR><TD CLASS="quote">My main problem is I can build boost, but as soon as I do the car just holds the RPM and falls on its face. I didn't try much higher, but it did make it to 5psi yet the car didn't accelerate, just sat there and was mad, lol. Any ideas?</TD></TR></TABLE>

did it act almost as if you hit the rev limiter early? i believe you could be running really lean there.

 

yea almost exactly.

I'm pretty sure it is running lean but im not sure why.

I'm not sure if i had an old *.bin or something.

All i did was take the StockGSR.bin and apply 120% boost efficiency and 0.9deg/1lb of boost to both high and low maps... Shouldn't it be at least running rich, if not extremely rich?

Oh, I also changed my fuel enrichments for cold idle, TPS, and Main, not sure what main does though.

 

did you scale for your injectors? also the vtec numbers arent really correct on the GSR bin....

 

yeah, injector scaling works because otherwise it wouldn't idle. Also, I don't think vtec engages because I havne't hooked up the vtec oil pressure sensor.

 

I can idle 440's with a stock ECU but it doesn't always mean the injector pulse is correct-you don't know if its 17:1 afr or 10:1 afr at idle?

 

lol, well put it this way, i put the stock ECU in and i wouldn't exactly call it idling. The car drives excellent out of boost, the minute you hit boost it pretty much falls on its face.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stizzit &raquo;</TD></TR><TR><TD CLASS="quote">Hey guys - Just put an uberdata-chipped eprom in my ecu, and installed 550cc injectors. I scaled the maps according to 240/550+5 = 49% and took her for a drive. She idled high, at 1500, I ALSO have the TPS issue where ifyou just barely tap the throttle its really jerky and such.

My main problem is I can build boost, but as soon as I do the car just holds the RPM and falls on its face. I didn't try much higher, but it did make it to 5psi yet the car didn't accelerate, just sat there and was mad, lol. Any ideas?

At first I was sure it was because of my MAP limiter, so I removed that because I had forgotten to. That really didn't help so I'm not sure where I stand. I've been over and over the maps and they all seem right. Any ideas anyone?</TD></TR></TABLE>

Map limiter? You dont have an FMU installed on the car do you? Was your car turbo'd before you tried uberdata? If so did it run fine? Really the only way for you to be in boost and not accelerating is misfiring.

 

Yuup, the car was running on an FMU and 310cc injectors. The FMU was removed, and fuel pressure set at the lowest the AEM fpr allows, around 40psi. Then the 550's were installed along with the p28 ECU burned with the p72 program.

 

how is your timing set ( on the engine ) ??
And
how is your timing set ( By uberdata ) ??

 

Hmmm, I have a feeling you did not set your boost maps. When you hit boost, it hits a fuel cut cuasing u to build boost and not accelerate, like a rev limiter. When you dont set the boost fuel maps, you get a fuel value of practicilly zero And ignition of 57 degrees

 

yeah, i was pretty sure i did but i was rushing back and forth so there's a good chance I forgot. Unfortunatly I'm using old UVEPROM's and the UV light I have dosen't work to erase them so now i have to wait for some EEPROMs to shop up, doh.

Hopefully i'll get them tuesday and I'll post if I figure out the problem. Thanks for everyone's help!!

 

email me the rom u burned
uberteg@tampabay.rr.com

 

I would except I can't find the floppy drive for my laptop, my network isn't working, and this is the only computer that I can get on the net with (because of the network thing).

So i came up with an idea. I had programmed 4 UVPROMs, the first for some reason had problems and injector #2 wasn't firing. Reprogrammed it without some of the scripts (FTL) and it worked but cold idle was REALLY rich and all over the place. The 3rd one I made minor adjustments, and same with the fourth.

Well somewhere the boost maps got messed up for the 4th prom, i think like blake said, i forgot to apply the boost effc. settings. So i decided today that since I can't reprogram the chips because my UV eraser dosen't work, I'll see if i can boost on some of the old chips I burned that were idleing really rich. Well it worked!!! I drove it and it drives really nice, vac - boost transition is beautiful. It seems like either im running too rich/lean or my ignition is off because my egt's go up to around 1400 in boost at around 6000rpm, i didn't let them get any higher. Also, I seem to be hitting the revlimiter at 6500 instead of the default 8100 or whatever. Could this be because i didn't disable the knock sensor and it is limiting it within code (not the lookup table)? I never touched the rev limiters,thats why im confused. Anyhow, i don't need to be reving that high until i can get my timing and fuel good below 6krpm.

Thanks for everyone's help, especially blake's. I ordered some EEPROM's hopefully they'll be here tuesday so i can continue on my escapades. Meanwhile maybe i'll try to fix some other issues. If anyone knows why I had the rev limiter issue, let me know. Thanks.

 

u said u didnt hook vtec up? Probably lowered your rev limit. Also if you didnt disable knock, that could cause some weird ****. Do yourself and get 29c's so u can re-write them.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stizzit &raquo;</TD></TR><TR><TD CLASS="quote">yeah, i was pretty sure i did but i was rushing back and forth so there's a good chance I forgot. Unfortunatly I'm using old UVEPROM's and the UV light I have dosen't work to erase them so now i have to wait for some EEPROMs to shop up, doh.

Hopefully i'll get them tuesday and I'll post if I figure out the problem. Thanks for everyone's help!!</TD></TR></TABLE>


You situation with the falling on its face at 0psi and the ruff idle but decent patrial throttle sounds exactly like how car ran off the stock ecu when I first started and it was not even reading the chip. My first ecu I burnt a trace or sumthing and I realised it was not even reading the chip because the FTL did not work and it also ran identical when I pulled the chip(no cel either, it was like i never thouched it). I socketed another ecu and it started perfect and I set the FTL real low to test and it worked fine so I knew it was reading the chip. It drove perfect too my first time out actually running uberdata. It sounds like yours is not reading the chip, try pulling it and see what it does, then try setting the rev limiter real low or setup FTL or sumting that will make it obvious it is indeed running off the chip.

 

29c256's should be here tuesday (crosses fingers). I'll burn some new ones and try out what omahaturbocivic said. Thanks guys.

 

mr. buraku sir...

question with IAB on the rev limits tab in v.1.63. If you replace the stock GSR manifold with a skunk2 or victorx. Can you disable the IAB altogether? Or just leave it be? Thanks. I guess you can use a p28 ecu and not worry about IAB?

 

its buraku-sama and just leave te iab alone, you wont get a cel or anything.

 

Will you accept flowers...donuts...or mulla for your time and enerygy you put into this? I really enjoy reading and learning from this post. 3 thumbs up!

Buraku for President!

P.S. The fuel table changes when you apply the new injector thinging to it. What I've noticed is..the "Fuel Lo" table changes...but not the "Fuel Hi". Is that normal? Do I leave it that way...or apply it to the "Fuel Hi" table too?


Modified by cinq at 3:46 PM 12/22/2003

 

Where are you guys buying your 29c's?? I just bought a ROM burner and I need some chips

EDIT: Also, does anynody remember the exact modifications needed to burn 29c's with a Willem unit?

 

Just DL'd 1.63, quick question, what is the injector calculator for?? I didn't actually see it change any of the scales so..?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VTC_CiViC &raquo;</TD></TR><TR><TD CLASS="quote">Just DL'd 1.63, quick question, what is the injector calculator for?? I didn't actually see it change any of the scales so..? </TD></TR></TABLE>
If you read the NFO thinging. It recalculate the numbers for u. You musta forgot to hit the "apply" button.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cinq &raquo;</TD></TR><TR><TD CLASS="quote">
If you read the NFO thinging. It recalculate the numbers for u. You musta forgot to hit the "apply" button.

</TD></TR></TABLE>

No I did but..... Mmmmm, I'll go play with it some more

 

looks nice :D do the scripts for 1.62 also work on 1.63 ? and how does the injector calc work and what is it meant for ??

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by toxicshit &raquo;</TD></TR><TR><TD CLASS="quote"> and how does the injector calc work and what is it meant for ??
</TD></TR></TABLE>

I see it adjusts the scales, but does that mean we don't need to use the Multiplication adjustment in the lower left corner of the fuel chart anymore?