| http://www.w3.org/ns/prov#value | - Join Date Oct 2003 Posts 17 Re: how to improve mileage thanks guys. i wouldnt drive it fast because i have a wrx that puts out 320 horses. i just want to save a mile or two on gas per gallon. so a throttle body spacer is useless? i dont want to race this truck i just want a couple miles....i am new to the caddy market. how are the dealers. my dealer is a ass. they never cleaned out car, never fill
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