Thread: 86' 300SDL...share your performance secrets!
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Old 10-31-2007, 03:13 PM
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Hit Man X Hit Man X is offline
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Quote:
Originally Posted by guage View Post
My SDL gets 23mpg city and 25mpg on the highway with speeds at 70mph.
With the talk of alda & shims, boost pressure, would one expect to get better mpg?
If so are there write ups to this procedure?


Seems low. What fuel is this on? Sounds like you have a plugged cat...
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