Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - gadget man groove for the throttle body??
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Old 02-20-2012, 10:14 AM
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I can't comprehend how a modification that affects the throttle plate just at idle or slightly open would have any significant affect on mileage beyond idling or just off idle. This groove thing can't have any affect on mileage at even steady 35 mph speeds, let alone freeway speeds.
Additionally the cleaning of the throttle body alone could easily make the engine run better, and feel better, so the more gummed up or older the car is, the more likely it will run better with even a simple good cleaning, regardless of whether a groove was cut or not.
I think it's a lot of smoke and mirrors and wont make any difference unless all your car does is idle.
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