some guy said that when my turbo started to spool smoke came out of my exhaust, could this be true and if so what is this, i am running catless with an exhaust. i know i have seen supras pour black smoke but is it possible that a car with under 4000 miles would do it also. the car runs great except for the clutch.

 

you can thank your local mitsu for this... thats our cars pouring out unused gas... the car runs pig ritch on the dyno in stock form just think how much more gas it reads when the cat isn't burning it...

 

Black smoke = too much fuel
Blue smoke = burning oil /blowby

The stock rich fuel maps causes the car to puff smoke.

 

thank you mitsu

 

Yup, and white smoke can be water/coolant.

Take care,

FB

 

Solving this = more power and better gas mileage. Can't wait!

 

i am not really worried, i knew running no cat would do something to this extent but i didnt know for sure if the black smoke was due to that, by the way my car feels slow is that wierd? i know i could use a new clutch but it seems choppy when i floor it. and third seems really slow? is it because i run my car hard? i was told that if you buy a turboed car whats the point of havin it if you arent going to feel the boost.

 

you're running catless..what did you expect.

 

what does a cat have to do with your car running too rich?

 

yeah , my stock evo feels like crap too, but it may be because I had an SRT4 right before, the black smoke puff is normal...RICHNESS.

 

well you can see the effects of running rich with no cat. my prelude ran hella rich and after 4 days my back bumper was covered in dust. would you rather the car ran lean and detonate all the time?

 

get a SAFC II or E-manager and fine tune it

 

You forgot the ever popular:

White smoke = coolant in combustion chamber(very very bad!)

Mine is running very rich too and I have had several people comment on the 'black puff' on acceleration. Even with my car running so rich my car is making good power on the dyno. I have an XEDE inbound and Shiv will be tuning it in two weeks so hopefully that will be the end of that.

 

hei guys

i need help too! my car tends to spit black smoke when i decelerate. I'll be on WOT then when i let go the gas pedal, black smokes comes out. Its fine when i accelerate.
the car is catless and running straight pipe all the way.
the power feels good still.
could the TPS be the prob?

thanks guys