Thanks for the info!
I'm guessing that 4.10's may win out, though I am curious about trying 4.30's. I'll admit, I don't know about the torque limiting effect of the PCM.
I believe it's always a bit better to wish you had a bit more gear than wishing you hadn't gone so extreme. I know 4.56's or better can get you up and running pretty quick, but there's certainly a down side with them. The answers I got on another forum some time ago was very extreme..... 4.88's.... really!
I couldn't even consider them to be serious, especially since I'm not planning on lifting my truck and running 36" tires, nor am I planning on taking it to the track.
I knew I'd get more logical responses here, not to mention some other info. worth considering, thanks!
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Current mods: AEM Bruteforce CAI, Magnaflow SI/DO, Gryphon-87 & 93 tunes, Harley head lamps, tinted windows, lower grille filler, and FX2 lower valance.