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Old 02-28-2021, 04:16 PM   #97
geezer#99
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Join Date: Aug 2009
Location: Bowser
Posts: 13,515
Re: Timing & Gas Milage

Would seem 2500 is the ‘sweet spot’ on your motor.
That’s the spot where the motor becomes perfectly efficient. It’s not needing to work any harder to maintain your speed.
You should be able to hear that spot in your exhaust too. The exhaust should go dead quiet.

You do know Murphy’s law says that your original carb will drop your mileage down to 12 mpg!
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