I gots to have mo'par-ts!
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Originally Posted by
Adobedude
Calculate diameter and material density for what...500 HP?
At 500hp we are doubling the power the truck had from factory, so there may be calculations worth considering. Honestly a driveline shop will know off hand and its worth a quick consultation. IMO the OE shafts they put in these trucks are pretty stout to begin with, it's the yokes that are the weak links in the chain. I probably would've kept my stocker but trans swap...
At any rate the aluminum shaft I had done is made from 5"dia. X 1/8" wall. It is also around 78" in length with the shorter tail on the TKO I'm running. I elected for 1350 spicer non-greasable joints, along with forged steel slip yoke and diff pinion yoke. For a regular cab you likely won't need that large of a diameter, 3.5"-4" sounds about right. Overall length is a big factor in determining material & size.
1999 R/T CC Flame Red (what's left of the paint)
//SHAKER// 408 Forged // TKO600 5spd // Spintech-Mids // HiPoTek 106 LOPEYCAM // FRP Tuned //