2003 bounder motorhome, 87 or 89 octane?

Question:
should an 03 bounder with a 454 run on 87 or 89, its had 87 for the past 3 years. over 10,000 miles have been put on it in these 3 years to.

Answers:

5th wheel travel trailers?

The "Old School" rule of thumb is if you do not experience "pre-combustion ping" you should be OK.

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I use 87 in my '03 8.1 liter 3/4 2500 HD and pull a 36 ft travel trailer. Have nearly 80,000 miles on the truck already.

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You could check with manufacturer to be sure, but if you don't hear any ping in my opinion, you should be fine

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There is no difference from 87 or 89 octane. they will both be good for your vehicle.

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