Black exhaust
#1
Black exhaust
Wondering if anyone knows what this is. I noticed some black crap coming out of my FM turbo exhaust even before I put on my MSPNP with the 1000cc's. Now it seems to be even more black crap. Weird thing is it doesnt have a sweet smell, so i ruled out coolant. Doesnt appear to be oil either (maybe it is), but doesnt seem to be blueish or have the touch/feel of oil. Its almost like condensation that has soot in it. You can put your hand an inch or two away from the pipe and your hand gets spit on with water like liquid that has essentially no odor, and had a black soot color. Any ideas?
#10
Well its been doing it for a while, and wont stop so it must be still happening at the engine/turbo level, and not just soaked up in the exhaust system. Not loosing any coolant, and oil seems normal. My fear is the turbo bearings. Would there be any other signs if the turbo was starting to puke?
#13
I've noticed on exhausts with no cat/less sound dampening/straight thru mufflers and no resonators, they have more of this upon startup/warmup. Mine does it a lot until I go for a drive. It's never bothered me. Did it with a brand new engine too...like 900 miles new, so I know it wasn't an engine problem.
#14
Got a FM cat and FM turbo exhaust. You think that will fit the category? Obviously cant tell while driving it, but I do notice it's worse while cold and warming up vs. once its warm. Once its warm it doest it but not nearly as much. I guess i am just curious what the heck it is. Oil, gas, condensation, coolant, morning coffee....
#19
These ID's are down to 1.1ms response time, so i can get it to run at 20:1 at idle if i want, but now its about 14:1 (where my AFR table is at idle). I wonder if my Accel/Enrich settings are a bit too aggressive though. My idle pulse width is about 1.67ms, and i only have accel/enrich kicking .1 to .9ms at heavy throttle blips.