CK5
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How many D60 front users are running studs or bolts in the u-bolt plate?

Which are you running?

  • Studs

    Votes: 52 39.1%
  • Grade 8 bolts

    Votes: 77 57.9%
  • Grade 5 or less bolts

    Votes: 4 3.0%

  • Total voters
    133
I run grade 8 "all thread" studs. Found a local source for 5/8 NC grade 8 "all thread" and made em myself.


Rene
 
Bolts... good enough for GM, good enough for me. :thumb:
 
Hey Rene - I have some A36 grade 5/8 all thread, it was actually round bar that we had threaded. Do you think that would be too brittle?
 
Sheared both of the studs at different times that came with the Superlift hardware kit. Switched to grade 8 bolts and haven't had any issues since.
 
A36 is plain old mild steel. Certainly wouldn't be brittle, more likely to stretch and break before you get to 100 lbs of torque. On such a critical application i wouldn't risk it. Tensile on mild is pathetic compared to grade 5 and grade 8 bolts. Easily less than half...


Rene
 
I'm running B7 studs and G8 nuts with hardened washers in mine.
 
gr 8 bolts for me, never had a problem. I wouldn't mind running studs, but bolts are just easier to find. If you change your suspension set up frequently, finding new studs at the correct length (assuming you can't make your own!) can be a PITA. I can drive 5 mins to the hardware place and get bolts of the right length. It would be cool if ARP make some longer-than-stock replacement studs for this application... the steel they use for their hardware pretty much kicks ass.

j
 
B7 is another spec very similar "G8". It seems that "grade 8" can not be applied to studs or all-thread for whatever reason, so the term B7 is used. I don't remember the details, but it's basically the same as saying "Grade 8 stud".
 
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