SilXR6T Member 5 Member For: 18y 7m 1d Posted 22/04/06 03:21 PM Share Posted 22/04/06 03:21 PM Hi guys,First of all just have to thank all you guys for providing such an informative site for the XR6T, was very reassuring to find such a positive site after forking out the hard earned!! Anyway have had the BF (manual, couldnt convince myself on the auto) for about 5 months and it flys, but ive noticed that there is a lot of soot forming on the exhaust. My previous car was turbo and never had the soot at all after 4 years of driving and after five months I can hardly see the tip?? Is this because its running rich (my mechanical knowledge is basic at best if im way off) and its normal to produce this much soot? I have always run it on BP ultimate, does the T utilize this fuel properly or should I just go to 95ron? Being EuroIII compliant I would of thought these cars would be producing very limited amounts of soot, or am I just being altogether paranoid...?Cheers Link to comment Share on other sites More sharing options...
F6BF Member 438 Member For: 18y 11m 11d Location: Sydney Posted 23/04/06 01:22 AM Share Posted 23/04/06 01:22 AM I know that they have been tested stock and run a fat tune from the factory AFR's around 9HTH Link to comment Share on other sites More sharing options...
Xtreme F6 Team Xtreme Donating Members 1,680 Member For: 19y 9m 15d Gender: Male Location: Perth Posted 23/04/06 01:37 AM Share Posted 23/04/06 01:37 AM I know that they have been tested stock and run a fat tune from the factory AFR's around 9HTH←They all vary, some are 11's some are 10's some are 12's.they are all different. Link to comment Share on other sites More sharing options...
Iconic Bionic My engine bay is Bionic Donating Members 3,726 Member For: 18y 8m 4d Gender: Male Location: Freeways Posted 23/04/06 08:07 AM Share Posted 23/04/06 08:07 AM I have the soot problem too and according to Ford it is meant to run rich for the first few thousand kays. Whatever that is exactly?? Mines a Bionic BF, the bright blue colour so I notice the soot and it covers the rear lower bumper alot and looks ordinary. Some ppl use to call Shell optimax, Optisoot beacuse there cars were getting this soot problem. I dont know about that, I run whatever premium from the big names is available when the cars empty and I get it from all of them. Link to comment Share on other sites More sharing options...
Iconic Bionic My engine bay is Bionic Donating Members 3,726 Member For: 18y 8m 4d Gender: Male Location: Freeways Posted 23/04/06 08:10 AM Share Posted 23/04/06 08:10 AM I have the soot problem too and according to Ford it is meant to run rich for the first few thousand kays. Whatever that is exactly?? Mines a Bionic BF, the bright blue colour so I notice the soot and it covers the rear lower bumper alot and looks ordinary. Some ppl use to call Shell optimax, Optisoot beacuse there cars were getting this soot problem. I dont know about that, I run whatever premium from the big names is available when the cars empty and I get it from all of them. Link to comment Share on other sites More sharing options...
SilXR6T Member 5 Member For: 18y 7m 1d Posted 23/04/06 09:11 AM Author Share Posted 23/04/06 09:11 AM Thanks for the replies guys, so how come there is so much variance in the settings of these cars? I undestand that tolerances make all these cars behave differently but from 10s to 12s seems like a lot. Doesnt the computer have a fixed limit and then try to maintain this? As for the soot appearing on the bumper I cant tell because mines black, but I can only assume looking at the exhaust that I have this problem as well. I did ask the dealer about this at the 3000 service and he also said that the computer has a runin mode but I thought that was BS... maybe not?? Link to comment Share on other sites More sharing options...
Iconic Bionic My engine bay is Bionic Donating Members 3,726 Member For: 18y 8m 4d Gender: Male Location: Freeways Posted 23/04/06 09:15 AM Share Posted 23/04/06 09:15 AM Id believe that the oboard computer would have a run in mode. I remember someone waying something about it in order to wear the engine in and protect it in its infancy. Plent of mechaical gurus on here that could confirm this. Link to comment Share on other sites More sharing options...
FSIX Member 566 Member For: 19y 29d Posted 23/04/06 01:58 PM Share Posted 23/04/06 01:58 PM My 1st dyno run was on the blue power dyno it showed 9.5 AFR's. Link to comment Share on other sites More sharing options...
SilXR6T Member 5 Member For: 18y 7m 1d Posted 23/04/06 03:03 PM Author Share Posted 23/04/06 03:03 PM So Habbib how old was your car when you put it on the dyno? Im just curious to know if in runin mode it starts around 9s then moves to 11s and 12s as Xtreme F6 has seen as it gets more kms? Can anyone confirm this? Link to comment Share on other sites More sharing options...
loopism Tractor Driver Member 709 Member For: 18y 9m 13d Gender: Male Location: Sydney Posted 24/04/06 12:41 AM Share Posted 24/04/06 12:41 AM I noticed quite a sharp increase in fuel economy around the 2000km mark on my BF, so maybe it's around there. Link to comment Share on other sites More sharing options...
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