Yes, at a bare minimum I'd weld that nut on. Remember $750 also buys you a brand new Super oil pump exactly like the one PEI has pictured. So if you had planned on a new OE oil pump, spend the extra & buy one that virtually won't fail. That might be your in-between solution on price & the ability to spin to 7000 RPM.
PM me if you want one, I have the source.
Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
http://www.vimeo.com/8486878 (Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Originally Posted by RacerX
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!