Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-25 Thread Peter Frederick
Well, there's many a way to skin that cat... US manufacture pickup diesels are generally sadly de-tuned these days so that tranny and frame will withstand the engine power Peter

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-24 Thread Van Cleve
Marrowstone Isl Wa 85 Euro 240D 5 spd 110K 79 240D 5spd fresh tranny transplan 82 Euro 300 TD non turbo, project wagon 94 Dodge, 2500, 5 spd, 5.9 Cummins, 95K Content-Transfer-Encoding: 7bit From: Peter Frederick [EMAIL PROTECTED] Precedence: list Subject: Re: [MBZ] prechambers, was speaking of loop

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-24 Thread Fmiser
rumor has it that Peter wrote: Snip a bunch of stuff This was a major problem when speed limits were lowered in teh 70s as most trucks were running at the wrong rpm -- in those days, the power band was as small as 1900-2200 rpm! I don't know what engines you are thinking of, but the 15L

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-24 Thread Kevin
On Sun, Oct 23, 2005 at 09:13:19AM -0400, Mitch Haley wrote: Then why is a 18.5:1 DI more efficient in a 3/4 ton pickup than a 22.5:1 IDI? Because ford kinked the downpipe and detuned the 7.3 IDI so that the powerstroke wouldn't have less power than the engine it replaced. [The cummins engine

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-24 Thread Trampas
, was speaking of loop type GP's There are lots of design compromises in diesel engines, and there are notable differences in DI and IDI engines as currently produced beyond injection type -- notably, the US made DI engines are almost exclusively long stroke, limited rpm engines (3000 rpm max) with low

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-23 Thread Peter Frederick
There are lots of design compromises in diesel engines, and there are notable differences in DI and IDI engines as currently produced beyond injection type -- notably, the US made DI engines are almost exclusively long stroke, limited rpm engines (3000 rpm max) with low compression and VERY

Re: [MBZ] prechambers, was speaking of loop type GP's

2005-10-23 Thread David Brodbeck
Peter Frederick wrote: One thing I expect to see happen to diesels is the required use of biofuels, not so much for fuel reasons as for emissions reasons. Biofuels, since they are oxygenated and don't contain aromatic hydrocarbons, produce both less soot and cleaner soot with less aromatic