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Reaching out to get some answers for your question, Andy. Hope to get a reply soon. Stay tuned!
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3,000 rpm - starting to feel the power
Wait, I think I'm an idiot. According to some other threads on other sites, a general rule of thumb is a hole .010-.020 smaller than the knurl diameter...
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The Following User Says Thank You to kung fu jesus For This Useful Post:
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IIRC, you had a decent press, 20t? That should do the trick.
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The Following User Says Thank You to kung fu jesus For This Useful Post:
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3,000 rpm - starting to feel the power
Ok, the actual knurl diameter on the dorman studs, after being pressed in and out is .563" -.570" depending on where you measure.
The diameter of the hole in the hub is .563"
The Knurl diameter of a new, never installed ARP stud is .579"
.579"-.563"=.016" The hole is only 16 thousands smaller, and it should be, because the knurling is a press fit.
Theoretically, everything is in spec and the ARP studs should press in nicely. I think my brain took a little siesta... theoretically
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I was thinking similarly. I wanted to get you a good reference so as not to destroy anything. Glad it will work!
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3,000 rpm - starting to feel the power
I was looking for a solid reference too. All I can find is suggestions on forums and such. I was hoping that ARP would have something to say about it on their web site but they don't. Fortunately, there is a clear consensus in most of the threads I've been reading that 10 to even 30 thousandths smaller is OK. I'm feeling pretty confident being in the middle of that range.
Thanks for your help man!
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kung fu jesus (02-27-2014)
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2,000 rpm - light wheelspin, no bog here!
Scary stuff. Wear and tear is unavoidable but what are the chances of this happening on a strictly DD miata? Seeing as the videos are race spec miatas and they get pushed harder as opposed to a street driven miata.
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I haven't checked if this happens in DD Miatas, but if you plan to run sticky tires, like r-comps, it would good to be mindful of it. Also, if you need to change the rear bearings, it is good to inspect your rear flanges carefully, even consider replacing them, while you are performing that repair.
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3,000 rpm - starting to feel the power
Well my.rear driver side bearing is bad so I just ordered the hubs and bearings Steve linked. Trying to decide if I should get arp studs for the hubs or not. Might as well right?
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The Following User Says Thank You to Tkblazer For This Useful Post:
kung fu jesus (04-09-2015)
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You can, but measure the holes on your new flanges versus the diameter of the knurled part on the ARP studs. It's an interference fit, but to a degree.
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