I used to have one a 1987 f350 with the 6.9 what helped the thing stop
smoking as bad was opening up the intake system and give it some air. David


----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <biofuel@yahoogroups.com>
Sent: Thursday, June 10, 2004 1:29 PM
Subject: Re: [biofuel] Re: Smokin BioD, not smokin on PetroD


> > J.D, thanks a lot for the response.
> > OK,
> You mean a 6.9 engine though, unless you have done a Cummins conversion.
> I have an '86 with the 6.9 and it smoke like that before I got teh timing
> set right.  Another thing is, when they smoke its like a lot of the old
> OTR Cummins L-10s and Macks, it lets out a good stream of bluish/black
> smoke.  At least it looks blue from the drivers seat, but in the pass seat
> or in another car, you can tell that it is indeed gray/black smoke.  This
> makes it a very good idea to convert them to non-fossil fuel to reduce
> pollution.  I hate to say it, but another thing to consider is the
> condition of the fuel injectors and injection pump.  These engines are
> great, but the fuel system leaves much to be desired ):.  If you have a
> good engine and your temp is good, it HAS top be fuel related.
> Good Luck,
> J.D.
> > The truck is indeed an F250, '85 with the 5.9L engine. I like your
> > assessment. The timing is the only one of the three causes that I could
> > see being related to the fuel. I will keep loggin more miles and see if
> > the problem keeps up. I think today I'll take a drive down to Reno to
> > make sure the engine is good and warm. I think I will wait until I have
> > developed a more reliable bioDiesel supply and then have the engine
> > tuned and timed around that fuel. I'm also skeptical of this batch of
> > fuel. We'll see how the smoke goes if I can get some commercial B100 to
> > rule out fuel impurity issues. The guy who made my fuel usually only
> > washes batches that are going into his girlfriend's new Jetta, so I
> > can't rule the fuel out.
> >
> > Thanks for the response,
> > Steve
> >
> > Steve Murphy
> > Mapping Technician
> > Truckee Donner PUD
> > (530) 582-3943
> >
> >>My thought is that blue smoke is usually caused by 1 of 3 things
> >>1) Oil being burnt, blowing by teh rings or valves
> >>2) Timing too far advanced or too far retarded
> >>3) Engine too cold
> >>I will assume its not #1.  You'd have noticed that on B10 or
> > petrodiesel also
> >>I lean towrad #2.  Biodiesel has a higher cetane rating than
> > petrodiesel.
> >>Timing is set according to cetane content.
> >>I would also think its not 3, not at least if your engine temp is in
> > the
> >>right range.  We'll assume its timing then, but thinking about cetane
> >>always gives me a headache.  I can't remember whether timing should be
> >>more retarded for higer cetane or more advanced.  I do know that many
> >>environmentally conscious individuals suggest retarding the engine's
> >>timing 2-3* to overcome BD's higher cetane, so I guess you're probably
> > too
> >>far advanced.  I would suggest getting the timing done on the fuel you
> >>want to use most of the time at a good diesel shop unless you have a
> >>timing tool yourself.  First lets find out what type of engine this is.
> >
> >>You say it has dual tanks, so I'm assuming its a Ford F-series.  Is it
> > a
> >>powerstroke, a 6.9 or a 7.3 IDI?  With the IDI, you could retard teh
> >>timing a dime's thicknessor two and see if it makes a difference.  If
> > its
> >>a PSD, you'll need to let the pros handle it since its computer
> >>controlled.  On an IDI, you loosen the 3 injector pump mounting bolts
> > and
> >>rotate the pump itself.  Be advised, you won't get much movement out of
> >>it, just a hair, but a little makes a lot of difference.  BTW, you
> > rotate
> >>it toward the driver's side to retard the timing and toward the pass
> > side
> >>to advance it.  I think its timing.  Look into it.
> >>J.D.
> >>
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
> >
> > Biofuel at Journey to Forever:
> > http://journeytoforever.org/biofuel.html
> >
> > Biofuels list archives:
> > http://infoarchive.net/sgroup/biofuel/
> >
> > Please do NOT send Unsubscribe messages to the list address.
> > To unsubscribe, send an email to:
> > [EMAIL PROTECTED]
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>
>
>
>
> Biofuel at Journey to Forever:
> http://journeytoforever.org/biofuel.html
>
> Biofuels list archives:
> http://infoarchive.net/sgroup/biofuel/
>
> Please do NOT send Unsubscribe messages to the list address.
> To unsubscribe, send an email to:
> [EMAIL PROTECTED]
> Yahoo! Groups Links
>
>
>
>
>
>




------------------------ Yahoo! Groups Sponsor --------------------~--> 
Yahoo! Domains - Claim yours for only $14.70
http://us.click.yahoo.com/Z1wmxD/DREIAA/yQLSAA/FGYolB/TM
--------------------------------------------------------------------~-> 

Biofuel at Journey to Forever:
http://journeytoforever.org/biofuel.html

Biofuels list archives:
http://infoarchive.net/sgroup/biofuel/

Please do NOT send Unsubscribe messages to the list address.
To unsubscribe, send an email to:
[EMAIL PROTECTED] 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
     http://groups.yahoo.com/group/biofuel/

<*> To unsubscribe from this group, send an email to:
     [EMAIL PROTECTED]

<*> Your use of Yahoo! Groups is subject to:
     http://docs.yahoo.com/info/terms/
 


Reply via email to