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Posted by David (94SEL) on July 13, 2002 at 16:51:10:
In Reply to: 1st tank with Ecoteks... Guinea Pig #2 (yeah, the dumbass that PAID for them) reporting in! (David, Randy, please comment...) posted by mentat on July 13, 2002 at 13:00:14:
No offence meant, but have you got it adjusted OK? The slurp should only be audible as you lift off the gas, the revs drop and should stop when the throttle is shut. I wouldn't expect to hear it if you were coasting. How do the intake manifolds compare between VGs and VEs? You'll have to excuse my ignorance of VEs, but to my mind the VG one is quite unsophisticated. More or less a box which then feeds all the injectors. Could it be that the VE's vac pipe is close to one injector, it's not spreading the benefit around? I've seen that the vac line joins right at the top of those blobby ducty looking things in the VE that look as if they are directing air/fuel mix somewhere on purpose. I'd ask the guy in Denver, or the UK website. Maybe send them some diagrams / pics of the VE manifold. They might have some ideas. They definitely have come across some engines where the valve was right on top of an injector, which buggered the effectiveness somewhat. Anyway, if it doesn't work for you, they'll give you your money back. : I sure hope these things start to perform after some more breaking-in. David SEL, did you notice your gains right away, or did your mileage improve after a few tankfuls? I dont think I'm going to see anywhere near your improvements, I doubt Randall is either. We really need another VG guy to try these out. I'm also wondering if it gives bigger gains to automatics - I noticed that the only time I really hear the things "working" is when I'm slow-coasting IN GEAR, which I rarely do. Like coasting to a red light or a stop sign or something, I usually have the car out of gear anyway. Randy, you have a 5spd too, correct? I am going to readjust the units for this 2nd tankful and see what happens... : I'm hoping that, at the least, it does help my emissions, which is after all what the primary function of the device is supposed to be (and advertised as, Ecotek does not make many hard claims about gas mileage). I admit it, I'm a closet environmentalist, and if I can feel at least a little bit better about my beloved, albeit planet-damaging, toy, well then they are worth my money. : ...awaiting "tree-hugging faggot" flames... : m@
Pretty much an immediate change for me. I had to adjust it a few times in the first few weeks, but then it started holding its adjustment and I justforgotaboudit.
: Previous tank, no Ecotek - 342mi @ 14 gallons = 24.4mpg
: Last tank, with Ecotek - 390mi @ 15.42g = 25.3mpg