PST and Mark Williams both said I am probably okay with the 3" mild steel that comes with the TKO trans, as long as I have the stronger 1350 yokes/u-joint stuff.
If I don't, PST recommended mild steel (up to 1000hp) and MW recommended I might as well go with 4130 chromoly (what JP has I assume).
Now I just need to figure out what I have on my 9" and go from there.
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2004 NASA AIX Mustang LS2 #14
1964 Lincoln Continental
2014 4 tap Keezer
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