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Although I'm still pursuing the s/c for my weak-kneed 5.4,I guess I am also going to need a gear swap.I am currently running 3.73's and it sounds like Monsta and the gang is advising a gear upgrade to say, 4.10's? Anywhoo, If anyone out there is interested in a swap and lives somewhere in TN/AL,let's talk.
If you are going to install a supercharger, why would you want 4.10 gears? I have a 2000 F-250 with the 5.4L gasser and 4.10s. If I put in a supercharger, I would want the higher gears to take advantage of the increase in torque and HP. Heck if I didn't live in northern Indiana, I would take you up on that gear swap. I don't do a ton of pulling and I think the 3.73s would help my highway mileage at least a bit.
>>If I put in a supercharger, I would want the higher gears to take advantage of the increase in torque and HP.
He presently has larger than stock tires on it, effectivly raising (lower numerically) his final drive ratio. If he decides not to go with the Supercharger ($2500+ ) the lower (higher numerically) gears will allow his engine to perform best.
Even with a Supercharger, 4.10's wouldn't be bad. MPG is not an issue really...