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https://www.vwgolf-mk2.com/eatmtconversion.html |
skewbe, my livelihood is tied to my car, so it's not an option for me right now.
Besides, seeing what kind of numbers I can pull out of a 2.0L automatic (with the top down! :cool:) is enjoyable and a good learning experience. Plus getting on the "most efficient auto car" leaderboard isn't out of the question if I keep at it! :thumbup::) Rick P.S. By the way brucepick, when I was quoting you and said "you guys with stick shifts," that was a generic "you" -- I do know you have an automatic. |
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I think you guys are starting to make a believer out of me with the P&G stuff. My new route has lots of rolling, hilly, lonely country roads to glide on.
I have been hovering around 55 by accelerating gently in 1st, 2nd, 3rd gears and WOT in 4th and 5th, up to 60. Then I let it glide down to 50, then back up to 60 with WOT in 5th. The WOT hypothesis is based on someone else's comment about high gear full throttle being efficient...perhaps because there is less of a contriction for incoming air? Anyhow, it *seems* to be working, but I am going purely off of trip odo + approximate fuel gauge needle position for the past two days. Believe it or not, those long commutes to Johnson Controls were at least good for getting me used to the fuel gauge. Someone else alluded to my long commutes, which were often 1.25 hr +. Well, I got a new job so it's only 20-25 minutes now! The sad part is in the winter my MPG may take a royal dive because the car will just be getting completely warmed up and my trip will be over. But hey, I'll be using less fuel overall (an important thing to remember when being obsessed with fuel consumption -- overall amount used is more important than efficiency, usually.) I might buy a drainpan magnet heater from JC Whitney's with my "allowance" next month. Heh! |
P&G definitely works. I don't understand it on a physics level yet, but I've seen all the proof I need to accept it... the "how" part will seep into my head eventually. :)
I've seen arguments for WOT, 1/2 to 2/3rds throttle, staying below 2000 RPM, accelerating at a certain load (the SG gives you percent engine load), etc. You'll possibly want to experiment and find out what works best for your route and your car. Without immediate feedback it'll take longer to tell what you're doing, but it's still possible. If nothing else you could commit to doing P&G a certain way for a while and calculate your FE, then try doing it a different way for a while, etc. until you find what gives you the best numbers. (Then go back and recheck the other methods, because you've probably gotten more skilled over time!) Rick P.S. Johnson Controls, eh? I used to be an MTS IV at the Robertshaw Controls Corporate R&D Center before they were bought out by Siebe PLC and the R&D operation was shut down. One of the best and most enjoyable jobs I ever had (and I could bicycle to work!) |
Rick, yes I shift at 2000 RPM...so the WOT in 4th and 5th is not burning a ton of fuel...just allowing the engine full access to fresh air so it can accelerate "at its own pace".
Johnson Controls was not fun for me...I worked for Optima Batteries, not the Building Efficiency division. I signed on for a nice paycheck and 40% travel annually...little did I know that 40% would occur mostly in one lump, to start up a plant in Mexico! Also the battery plants are filled with respirable lead dust, concentrated sulfuric acid, and glass fibers which are strikingly similar to asbestos -- NOT FUN! So I bailed, because even though I'm young I feel I've seen enough of the insides of plants, and plus we have a 6-month-old at home to play with! :) |
Re. WOT - I know that at least some engine management systems enrich the mixture at WOT to provide some additional cooling for the combustion chamber. I know mine does that. So I really avoid WOT but I do go to 3/4 or 7/8 sometimes. Since mine is an automatic I can feel the tension point when the kickdown cable is ready to activate.
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I guess I need to change my posting style; with two posts misunderstood in the same thread, I'm obviously doing something wrong (and that's sincere, not sarcastic). Apologies to all; I'll work on cleaning up my act.
Telco, not only would I never do that again, I would never do it in the first place: I know better. That wasn't several sentences talking about EOC, it was a list of my non-options:
The sentence after "I can't... EOC..." (that talks about rising tranny temps) mentions NICE-ON, but I guess it gets lost in the blur. Like I said, I need to change my posting style. :( Sorry all, I'll try to do better. Rick P.S. For the record, I do coast with the engine off sometimes: Ten feet into a parking space after keying off or out of a potential-energy parking space before cranking the engine, etc. Trivial stuff roughly equivalent to pushing a stalled car out of traffic and which -- as far as I know -- don't risk damage. (If anyone knows differently please speak up!) |
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