Thread: fuel in oil need help
10-11-2009, 06:57 PM #1
fuel in oil need help
Ok guys this is whats going on, me and Doel have been running in to this situation. We have been noticing our oil levels creep up and yes we have checked our oil levels in accordance with the manual. We know there is some fuel in the oil 'cause you can smell it and the viscosity is not the same as new oil. Prior to my outing today we extracted some oil to have it right in the middle of the two bars, after running all day and flushing it I noticed that the level of oil is close to the top bar. Fuel is finding its way down there. Doel had his oil changed out yesterday because it was just too diluted. Hes running open loop, I'm running a heat exchanger. Is this an afr thing or is it something else. My sig has my mods. Any help would be appretiated as this is starting to get worrisome.
10-11-2009, 07:01 PM #2
usually fuel in oil is caused by the oil not getting to proper temps.
It can also be caused by an over rich AFR.
10-11-2009, 07:08 PM #3
I have mine dialed in at 11.9 on the LM-1
10-11-2009, 07:11 PM #4
11.9 were??WOT??Whats your low and mid range ratios??
10-11-2009, 07:12 PM #5
10-11-2009, 07:43 PM #6
Sounds like the same thing that many others have experienced here when they changed to open loop. Just plain to cool perhaps.
10-11-2009, 09:27 PM #7
- Join Date
- Dec 2006
- Crest Hill, IL
Where is your catch can mounted? How full is it after a run?
How long are you letting the ski warm up before doing any WOT runs? WOT runs before warmed up will cause extra fuel in the oil...
I'm running the same cooling/fuel system/etc as you, all summer, barely a drop in the catch can...But I see you are running 48's and a RRFPR on a mini rude. I'm a Bkit with 42's, and I am fine...You might have too much fuel...
10-11-2009, 09:45 PM #8
Lets say on stock ecu and high boost and running only a RRFPR, do you guys think that the rich condtion at idle to mid is causing some of this happening.
just thinking out loud as there are more and more stock skis runing more and more boost and running rising rate fuel reg only, is this something that is going to show up more and more.
WE all know that on stock ecu and big boost it will take alot of fuel to keep up at wot, so is it hurting our skis down low being so rich.
10-11-2009, 10:59 PM #9
- Join Date
- Dec 2006
- Crest Hill, IL
I've been pondering that also...When running at cruising speed (5000-6000), the motor is runnig in N/A mode, with vacuum instead of boost. If you are running largr injectors, OF COURSE you are gonna be running very rich during this time, resulting in gas in the oil....BUT if you lean into it, kick it to atleast 1-2psi (6600-6800, SC depending) you start to lean out the A/F, when the RRFPR hasn't really kicked in yet
10-11-2009, 11:32 PM #10
Same thing here, my oil looks very thin, it s tainted red (color of the 91 unleaded gaz here), with a very strong gaz smell
I just got an OIL alarm with code po#1520 when doing WOT, the ski went limp at +75mph for a few secs, not a good feeling...
I m running X-charger with RRFPR at 60, XS-IC, 4" front air with Riva catch can on a 07 RXP 215 (stock ecu, stock injectors)
At the same time, my exhaust seems to have developped a leak, I got smoke fumes from under braided hose at th J-pipe, but catch can remains totally empty
So am I rich, or lean, or both at the same time?
How do I fix this mess?
need to figure it out before I can upgrade to the mini-rude
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