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Front knuckle drill to 14mm


tektic
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Galant VR-4 org Post #: 1247238 posted 09/18/19 03:41 AM     Remind Me!  Send Private Message   Edit Post      
Is it a bad idea to drill knuckles to 14mm for an evo Mr strut swap? It seems like the easier way especially when using a camber bolt. Then a couple hardened washer to fill the gap.

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raptorWagon
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Galant VR-4 org Post #: 1247239 posted 09/18/19 04:24 AM     Remind Me!  Send Private Message   Edit Post      
It's not really ideal, because you start messing with something that can't ever be returned back to stock once you go as far as reaming those holes out. If you screw up reaming the holes (if there is enough meat available), you might have a difficult time trying to get the caster or camber aligned properly, or at the very least now have a junk knuckle and have to spend the time sourcing a new one.

You're choice, but I really wouldn't touch the knuckle in that regard.



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tektic
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Galant VR-4 org Post #: 1247265 posted 09/20/19 08:43 AM     Remind Me!  Send Private Message   Edit Post      
Is there an issue of not having enough meat? I haven't looked at it in a while. The OEM head dowel pins are 14 mm od 12mm Id. That could be used to get it back to stock in a jiffy. I considered using them the other way for the 12 mm bold and uncut knuckle.

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transparentdsm
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Galant VR-4 org Post #: 1247267 posted 09/20/19 09:41 AM     Remind Me!  Send Private Message   Edit Post      
I actually did this when I did the Bilstein swap in my old vr4, when I swapped to coil overs I put different knuckles in the car, but with the mr struts, proper spacers, OEM Evo knuckle lower bolt and upper eibach camber bolt I was able to get it aligned and cambered properly. When I drilled out the knuckles I used a drill press, centered the knuckle hole using the 12mm bit, then once centered I put in the 14mm and pressed the bit through. I took my time and made sure I got everything in line before I started to actually drill.



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Galant VR-4 org Post #: 1247271 posted 09/21/19 07:44 AM     Remind Me!  Send Private Message   Edit Post      
I did this to my car years ago, and just recently swapped to unmodified 5 lug hubs. I wasn't confident that the drilled out knuckles would be able to take a hard hit (pot hole, bump, etc...). I'm going to run my evo suspension with 12mm bolts and spacers for the time being, once I get the bugs ironed out of the car, it's getting coilovers.

If you want my drilled out hubs, pay for shipping and they're yours. You'll need new bearings, and the big circlip that holds the bearings in.


Edited by 1941Galant (09/21/19 08:12 AM)

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tektic
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Galant VR-4 org Post #: 1247274 posted 09/21/19 02:59 PM     Remind Me!  Send Private Message   Edit Post      
Quoting transparentdsm:

I actually did this when I did the Bilstein swap in my old vr4.




Would you advise against it as well?

I don't want to buy all new bearings, but if you have them out would you mind posting a picture to who how much material there is to refresh my memory?

Posts: 1464 | From: ronkonkoma, ny | Member Since: 12/19/12 | IP: (24.189.25.4) | Report this post to a Moderator

transparentdsm
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Galant VR-4 org Post #: 1247277 posted 09/21/19 09:51 PM     Remind Me!  Send Private Message   Edit Post   
I never had an issue and I didn't really think it compromised anything. I'd do it again if I had to.



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