I have never had a problem with the Vanagon fuel pump making enough pressure for CIS. Residual pressure will be none as there is no check valve - never seemed to be a problem for me as when you turn the key to the 15 position the fuel pump will run for 2 seconds, so I pause, wait for it to stop then turn the key to 50. Never any start-up problems. David Marshall Fast Forward Automotive Inc. 4356 Quesnel-Hixon Road Quesnel BC Canada V2J 6Z3 http://www.fastforward.ca mailto:sales@fastforward.ca Phone: (250) 992 7775 FAX: (250) 992 1160 - Vanagon Accessories and Engine Conversions - Vanagon, Transporter and Iltis Sales and Importation - European Lighting for most Volkswagen models -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf Of Matt Ratto Sent: January 31, 2003 4:30 PM To: vanagon@GERRY.VANAGON.COM Subject: diesel-gas conversion problems solved! (mostly)
never mind. I went out today, retorqued, drove it, retorqued again. Seems to be fine. No leak. Now to figure out my system pressure problem. If anyone is reading these emails any more, I do have a question for those of you who have done this conversion. What system pressures did you find with a CIS system and a vanagon fuel pump? Is there residual pressure? Mine drops immediately to zero when I shut off the engine. Is there a fuel pump check valve like on the A2's? Got it into third today - lots of power! Matt ----- Original Message ----- From: "Matt Ratto" <mratto@ucsd.edu> To: "Vanagon Mailing List" <vanagon@gerry.vanagon.com> Sent: Thursday, January 30, 2003 10:27 PM Subject: diesel-gas conversion problems solved! (mostly)
> I tracked down a vacuum leak on my diesel-gas conversion today - bad intake > manifold gasket. I put a new one in, torqued the bolts to spec., and went > for a drive. About half way around the block, another leak started up again. > I haven't pulled the manifold to check if its blown again, but I suspect it > has. > > I'm thinking it could be a couple of things; 1) I didn't retorque the > manifold bolts after warming up the vehicle, 2) I damaged the gasket during > installation, 3) the manifold itself is slightly warped, or 4) aliens. > > If it is warped, any suggestions? Do people use RTV or some such with a > gasket? If anyone has a procedure for doing intake manifold gaskets on an > I4, I'd be happy to hear it. As you can tell, I'm making this stuff up as I > go... > > Matt > > |
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