Timing for lower octane?
Given rising gas prices, can a stock 91 5.0 be timed to run on 87 ocatne gas? I'm currently set to 14 for 93 octane. I know 10 degrees is stock. What should it be set to for 87 octane or mid-grade? Can it be done? I hate spending the cash on high test since I'm mostly highway driving now.
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91 Coupe: FMS 1 5/8 unqual shorty's, BBK off road X-pipe, Super Duty T5, Pro 5.0 short shifter, 2.73 rear, G3 alt, MSD coil, dist, no smog pump, oil cooler, 195K miles, 14 deg timing, 23 mpg city/29 mpg highway @ 65 mph.
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