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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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03-03-2008, 01:07 AM | #1 |
Leaky Injector
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Drilling wheel hub/rotor to change bolt pattern?
I hope this is the correct place to post this.
As the title states, I was wondering if anyone has ever redrilled their hubs/rotors in order to change their bolt pattern before? I have seen one or two instances of this before, but there wasn't much feedback on it, since they were very old threads on another forum. It is basically the same idea/concept as redrilling wheels to a new bolt pattern, but instead doing it to the car. Any insight on this method? thanks.
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03-03-2008, 02:02 AM | #2 |
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hubs and rotors are different. You can redrill rotors at a machine shop to accomodate your hubs. Your hubs cannot be redrilled because there simply isn't enough room. If you custom a whole hub to have solid round surface then ok maybe, but it would probably be cheap to by conversion. Hubs and Rotors are different things... YOu might want to be more clear
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03-03-2008, 12:14 PM | #3 | |
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Quote:
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03-03-2008, 02:14 AM | #5 |
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It's possible, the studs usually have to be welded in, but as long as it's done right there shouldn't be a problem with it. You could also look into bolt-on spacers that change bolt pattern. I'm thinking about getting some 4 to 5-lug 25mm spacers, that way it'll be really easy to switch between 4-lug and 5-lug wheels whenever I want.
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03-03-2008, 12:16 PM | #6 | |||
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Quote:
Quote:
I would also only assume that if any place can drill a wheel for a new bolt pattern, then they can drill hubs into a new bolt pattern as well. I didn't realize there was a DIY thread, I will try to search for it. Quote:
thanks for the input guys.
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03-03-2008, 02:23 AM | #7 |
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Are you serious welded? That is crazy... There is hardly enough room for 4 let alone 5. I would worry about rotational inbalance...
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03-03-2008, 02:38 AM | #8 |
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Imbalance would be very minimal, probably absolutely un-noticeable. If you are really extra anal-retentive then you can get them balanced. If you drill the holes the right size the studs will just press in like normal, you only have to weld them if you screw up or just plain don't know what you are doing. As far as safety goes they should be 100% fine. I don't see any reason why the hub would break just from a few extra holes. Search for the DIY thread, this exact procedure is outlined in there.
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05-20-2008, 06:27 PM | #9 | |
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Wheel imbalance would affect rotational inertia more due to the wheel's distance from the axis of rotation. I would venture to guess that most S-chassis owners don't care about wheel balancing because tread depth is so inconsistent due to drifting/trying to drift. |
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03-03-2008, 02:58 AM | #11 |
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i wouldn't say it would be 100%, the hub is thicker right around the stud. one of the studs would land completely in the thinner part, and the other two would probably be half in and half out. i'd be worried the studs would sit crooked, not have enough surface area for the knurl to grip, or possibly crack the hub. it might work, but i'd rather not find out the hard way.
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03-03-2008, 10:58 AM | #12 |
Zilvia FREAK!
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4 lug hubs cost pocket change.
pick up another set of hubs. if you mess up, swap on the other 4 lug hubs. whatever thats what i was thinking about doing
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03-03-2008, 12:31 PM | #13 |
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is this Jon? hit me up this is austin.. ill let u know how to do it.. i did it to my old s13.. drilled the front hubs from 4 to 5lug..
Use a drill press.. I used a 5lug rotor that i previously drilled for for lug use, i used it as a guide since it was already perfect alignment..
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03-03-2008, 12:33 PM | #14 | |
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I am not going from a honda bolt pattern to a honda bolt pattern. It is for a BMW to Honda bolt pattern.
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04-25-2008, 08:46 AM | #15 | |
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remove 3 of the 4 lugstuds from the old hub. place 5lug rotor over hub and remainig lugstud. push it down flush so it centers itself on the hub-register and seats all nicey nice and hubcentric. now you can see where to drill the 4 holes to finish up the 5lug. you better drill nice and carefully easy peasy. keep the hole size correct so you have a small enough hole to fit the knurled lugstuds just right and so they have enough material to grip and not spin out / strip out when you tighten or loosen the lugnuts. its easy to drill up in sizes bit by bit until so you only remove a little material each pass, its time consuming but works out better in the end.
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03-03-2008, 12:31 PM | #16 |
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why risk the drilling being done wrong. doing a 5 lug swap is simple and cheap. with 2 people you could do it in a couple hours, then you could get whatever spacer you need.
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03-03-2008, 01:09 PM | #17 |
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On an s-13 a 5-lug swap is ANYTHING but cheap. The rear hubs can be bought for cheap (non-turbo z-32) but a good set of front conversion hubs costs around $400-$500. You can swap the s-14 front knuckles and hubs, but you would need to change your tie rod ends, ball joints, and front struts at well. All that would probably run you more than $500.
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03-04-2008, 02:01 AM | #21 | |
Leaky Injector
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Quote:
Ichiba http://www.ichibausa.com/5lugconversion1.html & Peak performance http://www.peak-performance.net/content/view/127/96/ $250 / set..... cheap enough considering they include new OEM bearings.
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03-03-2008, 12:41 PM | #23 | |
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Let me know. thanks.
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04-25-2008, 08:25 AM | #28 |
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old thread i know..but if you are fortunate enough to have a set of 9 hole rims then its love...just bolt in the 4x114.3 pattern and drill out the remaining holes...voi la....For instance, we have some Impul Silhouettes that are 4x114 and 5x114..instant easy....anybody know exactly what size drill bit to use?
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04-25-2008, 08:41 AM | #29 |
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Imabalance is not a big factor at all because the remaining holes are at such a small distance from the center of rotation / axis.
if you wanted to be gung ho about balancing the hubs you can just drill a hole 180degrees away from each of the THREE leftover open holes from the old 4 lug pattern. its an easy thing to do and if you use wheels that are HUBcentric then I'm surprised more people dont go this route.
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04-27-2008, 03:20 AM | #30 | |
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