Yeah but that was only on some of the early Mercedes. I was going to say that it might very well be possible to do it on them but that would mean using the vacuum signal to increase the propane flow as the vacuum decreases to atmospheric pressure. That isn't very safe. If you were to loose vacuum due to a hose breaking or a vacuum leak of any kind then the propane injection would go up to max. Using the pressure signal from the turbo is actually a safety device in that if the hose breaks or the pressure goes down for any reason to atmospheric then the propane injection is halted. All the other NA diesels like the Ford and GM had a wide open manifold so no vacuum signal anyway. The actual fuel injection amount was done inside the IP regulated by throttle opening and then RPM. No way to get to that on the outside of the IP.
Manfred Date: Thu, 24 Jul 2008 06:22:56 -0700 From: Jim Cathey <[EMAIL PROTECTED]> > The regulation of the propane was done with a simple pressure tube > from the manifold to the pressure regulator. The more boost, the > more the regulator was forced open. The earlier diesels have throttle plates, and the IP itself uses manifold vacuum to determine fuel injection. I'd think propane would fit right in one of those. The air path is also long, you could inject into the body of the oil-bath air filter. -- Jim _______________________________________ 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
