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When was the last time you changed your rear hubs?

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When was the last time you changed your rear hubs?

Old 09-20-2017, 09:46 AM
  #261  
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Originally Posted by emilio700 View Post
If this were aircraft, the part would be timed out much sooner.
Exactly my thoughts - There's only one component with infinite life on commercial aircraft (the landing gear) which is part of why I enjoy screwing around with cars - there's almost nothing that needs to be timed-out. If it works it works.

Hubs and ball joints definitely fall outside that territory. What items aside from those need to be replaced regularly and at how many hours? Should we have a sticky for things to be serviced every season?
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Old 09-20-2017, 08:02 PM
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I'm not sure if this is recent or already common knowledge, I didn't see it mentioned in this thread but for the people who buy OEM hubs, it seems that mazdacomp sells them preinstalled with the correct ARP studs(lists the ARP part number). The difference in price is a few bucks more than buying the studs seperately.
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Old 09-21-2017, 11:15 AM
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I didn't know that. Good info!
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Old 09-21-2017, 11:50 AM
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Well, I've been scared into it - new rear hubs and bearings go in next week, just before my road trip to MRLS.
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Old 09-22-2017, 06:08 PM
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Originally Posted by MartinezA92 View Post
I'm not sure if this is recent or already common knowledge, I didn't see it mentioned in this thread but for the people who buy OEM hubs, it seems that mazdacomp sells them preinstalled with the correct ARP studs(lists the ARP part number). The difference in price is a few bucks more than buying the studs seperately.
Welp, these are backordered. Hoping to get new stuff in before my track day but it may not happen.
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Old 09-29-2017, 02:37 PM
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I managed to find a set from a guy in Vancouver that is selling his STS autocross Miata and buying an FRS (which, apparently, has a classing advantage). They look really nice:







Being installed today. Also have a set of the Mazdaspeed blueprinted front hubs/bearings, which I'll keep as spares for when my current ones wear out.
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Old 10-01-2017, 12:52 AM
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Still no word on when I'm going to receive mine.
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Old 10-01-2017, 04:54 PM
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Order OE hubs and press your own studs in? That's what I'll be doing this week.
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Basically I've come over to the camp of "If something is a reliability problem on the track, just ask Andrew and do what he says".
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Old 10-01-2017, 05:58 PM
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Latest carnage. The center spins freely within the hub. Somehow, the wheel did not depart the car. Coasted in.




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Old 10-01-2017, 08:28 PM
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Ouch! Makes me feel better about having spent the money to change mine out.
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Old 12-20-2017, 09:33 AM
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Originally Posted by engineered2win View Post
If I use standard interference fit clearances, such as you listed, then even the stock studs are the wrong size on the Dorman hubs. I'm not a design engineer or machinist and have found nothing online about clearances for interference fit joints with knurling. Hopefully we can come up with a cheaper solution than buying OE replacements from Mazda. I can buy a stack of Dorman hubs and get them reamed at the machine shop for less than 1 OE part.
Here you go

Knurling helps prevent rotation, but it also lessons the precision needed vs a true press fit tremendously. Not sure reaming is even required if one is truly shooting for 0.005 - 0.008 interference range.
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Old 02-02-2018, 01:31 PM
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