ThumperF150
Well-known member
I’m happy with the 4.11s and 35s. I have the 5.0.How do you like the 4.11 I just put the same size tires on and I have 3.31’s and im thinking of re gearing. Do you have a 5.0?
But this combo did not zero my speedo as expected. My cruising RPMs look to be within 100 RPMs of stock which is great but my speedo is still a solid 8% slow. 65 mph indicated is actually 70 mph per gps.
I have a Hypertech coming that I hope to use to correct this.
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