12 bolt questions

[1971ls1longbed]

I was looking at strange engineerings website and i was wondering if any one has used the 33 spline carrier and the s/s series 33 spline axels. my other question is can an aftermarket carrier and aftermarket 30 spline setup withstand 500rwhp

[djracer]

Several guys here have upgraded 12 bolts but I would buy a 9 inch.

[nxtruck]

I can't answer your question concerning the 33-spline stuff, but I can tell you that I'm running a set of Moser 30-spline axles and spool and this stuff has lived in my 4000+ lb. truck for at least 12 years dealing with the kind of power numbers you're looking at ( and then some with the spray). Like Kevin said, though, if you can afford to make the switch, a 9" is an attractive option.

[Wasted Income]

Originally Posted by 1971ls1longbed

I was looking at strange engineerings website and i was wondering if any one has used the 33 spline carrier and the s/s series 33 spline axels. my other question is can an aftermarket carrier and aftermarket 30 spline setup withstand 500rwhp

I've been running right around that power level for two years on the street, with a couple trips to the track...M/T drag radials the whole time on stock 30 spline axles, and an Auburn diff.....zero problems. FWIW.