RPM/gearing has nothing to do with the engine. When I had my WBX I was turning 4k RPM at 70mph. With the new motor I'm still turning 4k RPM at 70mph. The difference is that the new motor, because it is more efficient, uses less fuel to maintain this speed. Also, because it has more power, it can get up to this speed faster.Also, it can accelerate past this speed faster. As far as the mixture goes, the ECU is smart enough to adjust the injector firing time to compensate for the lower fuel pressure. I will be confirming this within a week because I'll be getting an adjustable FPR. I'll pull numbers from the ECU running the 2 bar that the Vanagon FPR puts out, then I'll rais the FP a to a point closer to the 2.5 bar the Golf FPR puts out and pull the numbers again. I'm thinking that the inector firing times will decrease because the highr FP is letting more fuel through the injectors for a given amount of time. Sean B. '90 V'gon, "Happy Bus", pseudo Wolfy Torrance, CA Join the TiiCo registry at HTTP://www.vgonman.com
Bill Marshall <Willolyn99@AOL.C To: vanagon@GERRY.VANAGON.COM OM> cc: Sent by: Vanagon Subject: Re: 15" wheels/gearing and the Ti engine conversion Mailing List <vanagon@gerry.va nagon.com>
01/10/2002 18:13 Please respond to Willolyn99
Fellow "Tiiconaut" checking in... I'm curious as to how your RPM/gearing could stay the same. Another question: has your MPG changed with the new tires? I would hate to think that all you accomplished was a loss of power. Yikes! Also, where did you set your mixture at? There have been some threads on the list mentioning increasing the ratio to make up for differences in pressure from the vanagon PR to the golf engine. If you find a rail that fits the tiny space in the Tiico, let me know. Best of luck! Bill Marshall 85 GL PHX AZ |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.