DIY Rom tuning for exhaust pops and backfires W/ romraider

[mr. slim]

Originally Posted by shif7i7down

The file it self is just the ots map with the added adjustment which takes roughly 1minute to implement. But if you must have it., PM me your email and the ots map that youre currently using, I can send you a moded version.

With that said, I however can not be held responsible for anything that could or may happen to you and or your vehicle by using any files that i send you

Haha!
I'll trying messing with the stage 2 UEL tune and well see what's up.

[Walla Walla]

thanks for all the help about romraider.. I just understood that it needs Java 32bits
I'm installing it right now and it should work now!

[Walla Walla]

finally still unable to install..!

[Marusich]

Originally Posted by gonzo

What did you put the overrun RPM delta at? did you change any other overrun parameters?

overrun RPM delta to 6000ms and what I stated before was all i changed.

[Marusich]

Originally Posted by gonzo

Have you tried setting the overrun enrich rpm delta activation lower to say, 4k? That should allow for the popping at a lower rpm rev, right?

Overrun enrich delta is a time period after you're off throttle in ms, not rpm.

[Walla Walla]

i'm about to try it now (finally was able to install it)
just want to make sure, is it normal that it says a error message first when you open file (error about checksum) and then when you upload it to OFT it says Checksum corrected?

[AdrianG]

Yup.

- AdrianG

[NorCal_Guy]

Originally Posted by andrew5826

did some testing and changes to achieve a noisier exhaust. no damage to anything so far and barely any changes in gas mileage(.1 L/100km).

with just ignition base timing A modified, no pops produced. ignition base timing B produced some pops, but not as aggressive. i ended changing both ignition base timing maps A and B to -10* timing in the lowest load column(.15g/rev) for the most aggressiveness. with the lowest load at negative timing, it kind of made the throttle an on/off switch for the pops. you wouldn't reach that engine load when normally driving or when decelerating. but if you gave it the slightest bit of throttle to that sweet spot, it would spit pops and become obnoxious. but everyone loves it. changing the full decel engine load value to negative timing doesn't produce pops for some reason. but its better to not have pops at full decel because you don't want to constantly become a pack of firecrackers when coming to a stop.

after messing with the ignition maps, i started looking into fueling. with the overrun enrich rpm delta activation set to 6000, the pops were alot more aggressive and rally sounding, as opposed to before where it sounded like you were running over a bunch of pop cans.

trying to achieve flames but i think this is as far as im going. i don't want to break stuff




will get some driving videos up. just need a exterior camera mounting solution

bored @ a railroad crossing under a roof

Sorry but I think it sounds like a shit can

[Marusich]

Originally Posted by NorCal_Guy

Sorry but I think it sounds like a shit can

Can't say I've ever heard a can of shit make noise like that, but I'll take your word for it.

I'll try to get some clips of mine with my adjustments, it's subtle.

[NorCal_Guy]

Originally Posted by Marusich

Can't say I've ever heard a can of shit make noise like that, but I'll take your word for it.

I'll try to get some clips of mine with my adjustments, it's subtle.

Sorry for my choice of words lol

[shif7i7down]

Originally Posted by NorCal_Guy

Sorry but I think it sounds like a shit can

Originally Posted by andrew5826

because racecar??

[Grip Ronin]

enrich delta is oem on wrxs at -17. a positive number makes in inactive i believe. when its on engine braking is much harder.

[gonzo]

Originally Posted by NorCal_Guy

Sorry but I think it sounds like a shit can

I'm hoping it sounds better in real life. Plus, messing with my file and changing stuff like this is fun.

I love tinkering with shit, even shit cans.

[gonzo]

Originally Posted by Grip Ronin

enrich delta is oem on wrxs at -17. a positive number makes in inactive i believe. when its on engine braking is much harder.

That makes sense if it is measured in rpms and not ms. It's related to how often the fuel injectors are going into overrun mode as the engine drops in rpms.