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Old 03-02-2009, 08:20 PM   #11 (permalink)
Christ
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,919

Pasta - '96 Volkswagen Passat TDi
90 day: 45.22 mpg (US)
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Quote:
Originally Posted by bwilson4web View Post
I'm with Andy. You really need to understand the transmission and then run some tests.

Bob Wilson
I have SOME understanding of the automatic transmission. I also understand that not shifting my vehicle annoys the hell out of me, and a better option for FE is always a manual transmission.

What I'm working toward is understanding exactly how each part of the transmission interfaces together, and how to control it via user interface, rather than letting it do it's own thing. If it turns out that a manu-matic (that's what I'm calling it from now on) isn't the ticket, then a manual swap will probably take place... Manuals are easy though, I want something that will both challenge my skill, and teach me a new skill. You don't learn by repeating the same thing over and over.

As far as controlling my transmission's torque convertor lockup, it would have to be modified via the internals of the transmission. Hondas as early as 1980's were partially computer controlled transmissions... mine has NO electronics involved, at all. Even GM FWD's have integrated computer control for some features... mine, again, is FULLY MECHANICAL. There is no TCM, and the only electrical parts on my tranny are the neutral start switch, and the reverse indicator switch.

I know that using "performance" modifications to gain FE seems a little out of whack for most people, but some so-called performance mods have some added benefits, like better control of the vehicle they're applied to. I'm interested in finding out if this might be one of them.

Has anyone actually checked out that link that I left to see if this particular type of modification is going to get decent results in a street-only, hypermiling beast of a 3100lb van?

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