That black smoke you refer to on a diesel is raw fuel not burned and means the person that worked on that engine can't tune worth a crap! All the big rigs I have worked on ran at 2100 rpm and the torque was given up by there many gear ranges. The most easiest engines I found to work on where the Detroit, easy tune and rebuild. As for Cummins they where pain in tuning dial indicator.
At 02:13 PM 10/28/2006, you wrote: >Robert,you wrote >"offul sounding stink boms you call an engine" Must times when a diesel is >running out of time they produce black smoke and stink as you put it. >The louder sound is caused by the injection of the diesel fuel. The >compression is higher in a diesel than a gas engine. The fuel is injected >with high pressures. >I for the most part like your choice of word "superior" HaHaHa. >You also said "by and large I believe have more torck" yes they do have more >toque. >In many diesel applications they run at lower RPMs than a gas engine. >Over the years I have worked on many gas and diesel engines. Growing up in >a family owned small business you work on whatever comes your way. >Art >----- Original Message ----- >From: "Robert J. Moore" <[EMAIL PROTECTED]> >To: <[email protected]> >Sent: Saturday, October 28, 2006 2:19 AM >Subject: RE: [BlindHandyMan] Blown out valve covers > > > > Read to the end for my answers > > > > Hello Robert and list readers, > > Robert you did not mention a year for this Chevy v6 that you were working > > on. > > I would assume that it is a vehicle with an electronic fuel pump because >you > > wrote "forgot to hook up the fuel lines to the throttle body". The >turning > > on of the key would activate the electronic fuel pump and gas could have > > probably flowed in to the engine. > > Now other questions are how much gas might have got inside the engine and > > did it get on to both heads? What actually sparked the gas to cause the > > explosions? I am guessing that the gas did not ignite in the oil pan >since > > you did not mention bending of the oil pan. So the question is what >ignited > > the gas under each valve cover in a relatively close time frame to cause > > consecutive back fires? > > Could moving valve train engine parts to cause sparks to ignite the gas? > > What is the probability of that happening consecutively on opposite sides >of > > the engine? > > Does this particular engine have crank case vents on both valve covers? >If > > so, could a out of time spark plug sparked at a time when a valve was open > > while gas vapors were starting to be sucked through the tubes leading from > > the valve covers? > > Why play with gas engines? See we don't have these kind of problems with > > diesel engines. I am only trying to kid you. I guess you can tell that I > > am partial to diesel engines. > > > > It will be interesting to read any other replies that you get on this one. > > > > Art > > This is a 1989 s10 with a 4.3 v6 > > yes it has an electric fuel pump. > > Most of the gas went on top of the intake manifold and we mopped that up >the > > best we could but I am sure some got into the valve train but probably not > > much. > > I am guessing that the spark came through an open valve since at that time > > we were no where close to having it timed. matter of fact we were 180 > > degrees off and we were out of sequence. > > there are vent wholes on both valve covers. > > I know that those offul sounding stink boms you call an engine are far > > superior in regards to longevity and by and large I believe have more >torck. > > but I like my little gas engine that could. > > Now if I could only get my little 4.3 to grow 2 more cilenders I would >have > > the 350 that I would rather have. but oh well its only an s10. > > Ha Ha > > > > If I open a shop up here I would offer jobs to Art > > Mickey > > Larry > > Lewis > > and ah umm who did I miss. > > > > > > > > > > To listen to the show archives go to link > > http://acbradio.org/handyman.html > > or > > ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > > > The Pod Cast address for the Blind Handy Man Show is. > > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > > > The Pod Cast address for the Cooking In The Dark Show is. > > http://www.gcast.com/u/cookingindark/main.xml > > > > Visit The New Blind Handy Man Files Page To Review Contributions From >Various List Members At The Following Address: > > http://www.jaws-users.com/handyman/ > > Visit the new archives page at the following address > > http://www.mail-archive.com/[email protected]/ > > For a complete list of email commands pertaining to the Blind Handy Man >list just send a blank message to: > > [EMAIL PROTECTED] > > Yahoo! Groups Links > > > > > > > > > > > > > > >To listen to the show archives go to link > http://acbradio.org/handyman.html >or >ftp://ftp.acbradio.org/acbradio-archives/handyman/ > >The Pod Cast address for the Blind Handy Man Show is. >http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > >The Pod Cast address for the Cooking In The Dark Show is. >http://www.gcast.com/u/cookingindark/main.xml > >Visit The New Blind Handy Man Files Page To Review Contributions > From Various List Members At The Following Address: >http://www.jaws-users.com/handyman/ >Visit the new archives page at the following address >http://www.mail-archive.com/[email protected]/ >For a complete list of email commands pertaining to the Blind Handy >Man list just send a blank message to: >[EMAIL PROTECTED] >Yahoo! Groups Links > > > Tim trouble Blindeudora list owner. To subscribe or info: http://www.freelists.org/webpage/blindeudora To listen to the show archives go to link http://acbradio.org/handyman.html or ftp://ftp.acbradio.org/acbradio-archives/handyman/ The Pod Cast address for the Blind Handy Man Show is. http://www.acbradio.org/news/xml/podcast.php?pgm=saturday The Pod Cast address for the Cooking In The Dark Show is. http://www.gcast.com/u/cookingindark/main.xml Visit The New Blind Handy Man Files Page To Review Contributions From Various List Members At The Following Address: http://www.jaws-users.com/handyman/ Visit the new archives page at the following address http://www.mail-archive.com/[email protected]/ For a complete list of email commands pertaining to the Blind Handy Man list just send a blank message to: [EMAIL PROTECTED] Yahoo! 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