Halo sparkplug - Mercedes-Benz Forum

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post #1 of 5 (permalink) Old 11-29-2007, 06:43 PM Thread Starter
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Halo sparkplug

Anybody ever use this plug??? or is it just another gimmic???

Halo Spark Plug - Increase Gas Mileage & Save Gas
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post #2 of 5 (permalink) Old 11-29-2007, 08:25 PM
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I call BS until Car and Driver, Motor Trend, Automotive Mag or some other third party, major publication proves it works.
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post #3 of 5 (permalink) Old 11-30-2007, 08:09 AM
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Such a simple concept. Some one would have come up with that one long ago. Fuhgeddaboudit !!

Scott in MD/DC
85 TDT the "Blue Whale"
past: W124 wagon, W126, W202, W201, lotsa VDubs
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post #4 of 5 (permalink) Old 11-30-2007, 12:20 PM
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Yup, best to stick with the familiar.

"If spending money you don't have is the height of stupidity, borrowing money to give it away is the height of insanity." -- anon
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post #5 of 5 (permalink) Old 11-30-2007, 01:32 PM
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Well, they're not new, date back to the early 90s. Seems like if they were so great everyone would have heard of them and been using them by now...or the gas companies would have bought the rights and crushed it like they did with the 150mpg carburetor back in the 60s.

Here's a thread from gassavers forum with a couple of folks who plugged them in, little or no change...

Halo Plugs - GasSavers

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