When I was a kid I put a small block of 2x4 wood under the accelerator to keep me from pushing my old car too fast. I always had a sense of "saving" my car from too much stress, and it stretched my gas money too. After all, regular gas was selling for an outrageous 25 cents per gallon back then (which actually might be equivalent to what we're paying today, but back then it was in 1958 dollars that were backed by gold).
Today, I use a Scan Gauge. It does much better at helping me keep my wild side down.
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