My intended use for this truck will be, around town, car shows, and some extended freeway use. I would lke to be able to do at least 70-75 rpm in the 2k range. I know I wont get that with either rearend setup. I will swap the trans to a 4l85e automatic. 4th gear is .75:1. I really need to get a lower gear set in the rear end. If I pull the 2 speed out and replace with the single speed are there other ring and pinion sets available aftermarket?

My truck is a GMC 350. The original engine has been removed and replaced with a 383 stroker.

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