V10 Out 12V In

Just about done and the motor runs great, I definitely recommend Destrokeds tach kit and motor mounts. What RPM is preferred to get best efficiency and performance? The previous owner swapped the 3.73s for 4.56s and now I want the 3.73s back to get me about 2K at 65. I know the fuel isn't stock but I need to learn more about tuning the 12V to see what I have and what the pump needs? I'm shooting for the 400-450 mark that's drivable, how much HP can one get on the HX35 and stock springs and HG?
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Are you speaking from experience? I have a guy to trade me for 3.73's. I don't want to lug it down too much but its not working to over rev it either.
 
my dually has 3.54s, the 47re is .69 in OD, the sweet spot is just under 1800rpm, so you can use that as a comparable
 
What size tire do you run? How fast are you moving at 1800 rpm? I believe the nv4500 is .75 overdrive and I want to be around 1800 at 65 with my 35s.
 
So would you change it any if you could or is it about perfect how it is? What motor and power level are you at? Thanks!
 
i am at 205k miles everything is stock original 96 12valve extra cab dually, it works good for me, eventually i would like to add hydro boost, build the trans, mabe add a disc brake dana 80, wouldn't change the ratio
 
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