What was the cold temp? On Wed, 20 Dec 2006 11:51:57 -0600, ernest breakfield <[EMAIL PROTECTED]> wrote:
> hi! > > did a little experimenting recently and thought i'd share some of > the observations for the benefit of any/all. > > firstly, Helga is an '85 300D with almost 160K miles, and has been > using almost exclusively commercially purchased BioD for ~3 years/40K > miles. the fuel is commercially produced from recycled oil stock (i > believe the current stock was used for frying potato chips, but i may be > mistaken.) > > on a recent trip to the Sierra, i decided to try straight B99/100 > purchased from our favorite local supplier, just to see how the vehicle > would react to the low temps since i had the luxury of convenient > support should i need it. > after sitting for a few days with temps near freezing, it started up > perfectly; a single Glow cycle resulted in an immediate smoke-free start > and a smooth idle, as is normal for this car. power, however, was lower > than it usually is when cold as i started up the hill out the driveway, > to the extent i found i had the accelerator floored just to keep it > moving. out of curiosity, i tried revving it in Neutral, and found i > could only get about 2K RPM on it maximum! > even after coolant temp had reached normal indicated range (80C+), > Max RPMs were still only about 2K RPM for about the first 10-15 minutes > of use; fortunately, this was enough to suit the needs in the small town > we were in. it wasn't until we'd gotten several miles farther down the > road that it rev'd freely as normal. > > my theory is that although the fuel had not gelled completely, it > had gelled enough that there was enough occlusion in the fuel system > that it wouldn't allow full fuel flow until things had warmed up. were i > to head into the same conditions again, i'll probably top off with #2 > Dino before stopping, just to try to lower the Gel Point of the fuel a bit. > > fortunately my wife tends to have a bit of an adventurous nature, or > this could have been much less fun! (the dog napped serenely in the rear > seat the entire time, knowing nothing of the fun we were having; only > that we were going home,...) > > > cheers! > e > > Berkeley > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > -- Luther KB5QHU Alma, Ark '87 300SDL (270,491 mi) head case? '83 300SD (241 kmi) '82 300CD (162 kmi) '82 300D (74 kmi) needs MAJOR engine work '85 300D (280,176) parts car
