Volvo RWD 140-160 Forum

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Blackish Greyish smoke 140-160

posted by  Billiam500 on  Wed May 4 10:31 CST 2005
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My foot felt heavy earlier today, and during a trip to 6k rpms on the freeway entrance ramp I saw through the rearview mirror some greyish smoke. Not thick, I could see through it easily, no odd noises, sputtering, or loss of power. I have a 71 140 with a 2.2L overbore, headers, glass pack exhaust, and d-jet.
is something going wrong?
--
And now for something completely different.








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    Blackish Greyish smoke 140-160

    posted by  Gary L on  Wed May 4 10:41 CST 2005
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    last visit: Wed Oct 22 10:26 CST 2014
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    Something going wrong? Prolly not... more than likely you simply shook loose the accumulated crud in the combustion chambers and exhaust system; especially if it's been a while since you did that particular isometric exercise with your right foot. In the good old days, we called it "...blowing the cobs out." AKA "Italian tune-up" in some circles.
    --
    Gary Learned - '71 142E ITB / '73 1800ES / '02 S60 T5








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      Blackish Greyish smoke 140-160

      posted by  someone claiming to be Billiam500 on  Wed May 4 10:53 CST 2005 [RELATED]

      *sighs with relief* I've heard of d-jets going dangerously lean around 6500rpm. and yes it has been a while since it's been up that high.








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        Blackish Greyish smoke 140-160

        posted by  Bennie on  Wed May 4 20:51 CST 2005
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        last visit: Wed Nov 28 03:03 CST 2007
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        If the smoke was 'blackish greyish' it would be more likely to run rich, rather then lean though.
        --
        P131, '65, B20B+M47. P131, '69, B20E+AW71L+LSD. (www.tinustechniek.tk)







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