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[mkaminski100]

http://www.ecotekplc.com/more_cars_18.htm What is that for? How does it work? Has anyone used it?
It looks like that magic thing is being installed on small breather hose. In "How to do it" section they showed Vectra X20XEV, not Omega engine, and smaller breather pipe joins throttle body on the side (not the suction manifold as in Omega)

[Nickbat]

This is the product homepage:

http://www.ecotekvalve.co.uk/?gclid=CMPhtNrv9o8CFQgsQwodPCqNKg

Don't know much about it myself, I'll be interested to hear other members' comments

[IrmscherKris]

A phsycological-real-object thingy you put on your motor and then believe its giving you better MPG... You just end up driving more economical and then think you've had a bargain.

Company's praying on concerned motorists who are worrying about the rising cost of fuel.

[magnul]

Amen! Just snake oil.

[Martin_1962]

Sounds like a load of Jimbob plums

[mkaminski100]

Same thing as Petrol Magnetizer... I was wondering how can you improve performance by adding a valve on breather pipe.

[Nickbat]

From what I've discovered, inlet air turbulence is a good thing and already well understood. However, these after-market products are not thought to be worthwhile. Any engineers out there may well understand this article better than me:

http://www.fuelsaving.info/turbulence.htm

[MartinP]

I had one of these  

used it on a 940 2.0 Volvo  

It is less effective on petrol injection engines than on carburettor models, it is supposed to collapse the vacuum in the inlet manifold to stop it drawing petrol into the engine when not accelerating.

Made a rasping noise as the manifold vented on the overun.

I found minimal if any benifits and donated it to my daugthers boyfriend, who is a knob!

it only cost £35 7 years ago!

[Kevin Wood]

Total snake oil. Introduces an air leak which will not help at all.

A fuel injected engine doesn't rely on manifold vacuum to suck fuel into the system so this will make no difference whatsoever. Your ECU already cuts fuel completely when decelerating.

The air leak will confuse the injection system which relys on an accurate measurement of airflow into the engine via the MAF sensor. Adding this device will therefore likely cause worse fuel consumption and may even flag a fault in the ECU.

Kevin

[Kevin Wood]

who is a knob!

Perfect candidate for one of these devices then.

I just read their patent and it's all based on testing with a carburretor engined car. Remember those?

Kevin

[Martin_1962]

who is a knob!

Perfect candidate for one of these devices then.

I just read their patent and it's all based on testing with a carburretor engined car. Remember those?

Kevin

Last carb car I had only had 1 extra on the manifold and that was a brake servo pipe. Mind you I never did the Vizard mod to the twin Strombergs (grabbed from a scrap Avenger), so never got it over 115bhp.

I was broke at that period

[Kevin Wood]

Some carbs used to have a little poppet valve in the throttle plate which popped open during periods of high manifold vacuum to add a little extra air. This did reduce the fuel flow during overrun but also ensured it had enough air to burn readily, improving emissions. Basically, a more elegant solution to the same problem. Only relevant to carbs, though. A modern FI system is a different beast.

A mate of mine used to have an Avenger Tiger with a pair of strombergs on. I have a feeling he ended up with a pair of 45DCOEs on it after that too. Went like a rocket. Happy days

Kevin

[Martin_1962]

Some carbs used to have a little poppet valve in the throttle plate which popped open during periods of high manifold vacuum to add a little extra air. This did reduce the fuel flow during overrun but also ensured it had enough air to burn readily, improving emissions. Basically, a more elegant solution to the same problem. Only relevant to carbs, though. A modern FI system is a different beast.

A mate of mine used to have an Avenger Tiger with a pair of strombergs on. I have a feeling he ended up with a pair of 45DCOEs on it after that too. Went like a rocket. Happy days

Kevin

When money came better I went to a Carlton. If I had kept the Sunbeam I was going to convert to unleaded and possibly EFI it, it was already running halogens, 4 speaker stereo, and uprated suspension.

[Kevin Wood]

Sounds like it would have been a great candidate for a Megasquirt.

http://www.megasquirt.info/

Kevin

[dippydave]

pardon my ignorance, but what is snake oil? a drink? an additive? a lubricant?!!! :-/