Thread: This Sucks...
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Old 03-04-2009, 12:33 AM   #6 (permalink)
Christ
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,236

Herbie - '86 Golf Diesel
90 day: 51.89 mpg (US)
Thanks: 868
Thanked 294 Times in 248 Posts
Benefit - You can get a good idea of how much load your engine is under at any given point in time, so you can adjust your foot with a visual aid, instead of guessing at it.

Cost - About $20-$30, usually.
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