06-13-2019, 06:55 PM
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#32
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 24F
State: Arizona
Posts: 250
THOR #2878
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Quote:
Originally Posted by Chance
Not normally.
On some engines it may increase MPG slightly, but not enough to pay for added fuel cost.
If engine runs OK on regular, that’s your most economical option.
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Thanks Chance
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