I have had no problems running 87 octane...but you could have picked up a tank of gas that's contaminated...usually with water. You could try adding some "dry gas" to your tank...it's cheap enough at $2-$3 for a bottle and it might solve your problem. But I don't know if that's your problem.
I once got a tank of bad gas while on a trip to Asheville, NC with my Suburban...I lost major power on uphill grades with a weird surging/stutering. My first thought was oh S**T there goes my transmission...however on closer examination I began to think bad gas...so I dropped 2 bottles of dry gas in and filled up with 93 oct...problem cured.
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...But we in it shall be rememberèd;
We few, we happy few, we band of brothers;
For he to-day that sheds his blood with me
Shall be my brother...
1994 RRC LWB, 82k miles, 4.2, Cornish Cream/Lightstone Interior, spring converted.
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