Thread: "MPGiata" modding thread: aiming for 50 MPG with a 1990 Miata. Update: success, 55 MPG!
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Old 10-02-2019, 02:52 PM   #273 (permalink)
freebeard
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Quote:
Someone gave me these. Will they help me save fuel?
Send them out for cyrogenic tempering. It won't improve fuel consumption but for double the cost you [might] get 4x the service life.
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