Printable View
Did 600km in two trips in the last 24 hours. Plugged the AP in about halfway thru the 2nd trip and kept a lazy eye on a few engine readings including knock retard. Highest ive ever seen it. Up to 4.3 at one point. Ambient temp 35+ most the drive. Aircon on. Stock 07 mps 3 66XXX, last oil+filter 6000km ago, checked and topped up last week. Cobb AP V3 w/stage 1 98 tune.
See short log attached. 3rd gear WOT, knock pings to 3.15.... help?
I had a highest 6.0 today. was high 30's, intake temps up around the 70 deg mark. Im a bit worried. Running the same map as you.
Also highest boost spike at 20.4 psi, stage 1 tunes arent meant to eb that high right?
nooo no they not. Highest ive seen it spike is 17.2 and that was in 6th gear w/ intake temp of 73F. Never seen anythin above 15, maybe 16 psi in 3rd/4th.Quote:
Originally Posted by rbdazzled
Run the 95 map to see if that addresses it, could be a bad batch of fuel, or its running too much timing.
Im just gonna play it safe and get a cutom tune. Have DP and TP to fit now, as well as a 3inch TIP. Wanted an upgraded intercooler but cant find a secondhandy at the moment.
3" tip...are you running a 3" maf as well, or standard size?
SO I reflashed back to stage 0 to be safe. The same day after a short squirt I briefly blew a lot of white smoke at idle. Thought the worst and assumed turbo seals gone. BUT since then done almost 40km at sub 2500rpm and no smoke. Risked a short poke and car seems to boost fine, no smoke at WOT or afterward at idle. Log attached 3rd gear 2-4000rpm.
Thats not pinging, its knock retard which means its pulling timing to avoid knocking... Ive had a 2 minute look and it looks fine for a damn hot day with 57 degree boost temps!
Thanks a lot mate. It was a damn hot day. And I was still running the stage 1 OTS map at that point which RayD has since advised against, at least for my vehicle.Quote:
Originally Posted by Jmac
Now im back on stage 0 and knock retard seemed to be under control again until today i happened to log a 4.2 in 3rd gear, right before I came off the throttle. 43C boost air temp. see real short log snippet
I am aware knock retard is not detonation per say, but its the best way we have to measure it with an AP right? I need to read up more on this.