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Old 05-19-2018, 03:02 AM   #1
90volvo
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Default press fit wheel adapters?

I have some wheel adapters with 63.4mm inside diameter. I know Volvo 240 hubs are 65.1. My question is could I heat up the adapters (alum.) and get them over the hub? If Im figuring correctly its about .062 difference.
Or should I get them turned to 65.1? Thanks for advice in advance.
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Old 05-19-2018, 09:16 AM   #2
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No. You will not get that pressed on. Get it opened up.
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Old 05-19-2018, 12:37 PM   #3
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Kinda what I thought. Thanks looks like I'm heading to machine shop Monday.
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Old 05-19-2018, 02:17 PM   #4
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That's a huge difference in press fit tolerances. Usually fits are something like .0005-.001 inches interference per inch of diameter.
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Old 05-19-2018, 03:05 PM   #5
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Maybe open it up using a brake hone. Part stores used to do brake wheel cylinder honing. Press fit is usually 0.002".
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Old 05-19-2018, 06:22 PM   #6
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Gotcha, if machine shop wont open it up for me; then Ill pursure the brake hone idea. Thanks a million;
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Old 05-19-2018, 06:33 PM   #7
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Or hog it out freehand with a burr and go lug centric.
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Old 05-21-2018, 08:34 PM   #8
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I ran into the same issue ordering 5x108 - 5x114 adapters recently. I don't have the time from work to make it to a machine shop to have them bored out to the correct size, so I just ordered a 65mm hole saw and am going to come up with something to hold the adapter steady while I use a drill and the hole saw to open up the center of the hub. I only need to cut about 2mm deep. From there I'm just going to use a dremel tool and cutoff wheel to trim from the inside and remove the ring I cut with the hole saw.
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Old 05-21-2018, 09:08 PM   #9
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Why not just use a router? 1/4” round over should be more than sufficient.
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Old 05-21-2018, 11:31 PM   #10
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I want them to fit tight so they stay centered. If I wasnt worried about it I would use a die grinder. Im running lug centric now and its kinda a pain, all shops zip wheels on and of course I have to go home and jack car up and fix it. My back is getting tired so Im gonna try and get it setup right this time around. Thanks
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Old 05-22-2018, 12:58 AM   #11
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Quote:
Originally Posted by schaff70 View Post
I just ordered a 65mm hole saw and am going to come up with something to hold the adapter steady while I use a drill and the hole saw to open up the center of the hub.
How are you going to guarantee the hole saw is centered?
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Old 05-22-2018, 05:55 AM   #12
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hole saws and rims dont interfere... just please go to a machine shop and let them make things right...
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Old 05-22-2018, 08:26 AM   #13
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Originally Posted by MadDog_945 View Post
hole saws and rims dont interfere... just please go to a machine shop and let them make things right...


I don't understand. All I need to take off of the center of the adapters is about 2mm deep to clear the Volvo hubs. It has nothing to do with the wheels.
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Old 05-22-2018, 08:52 AM   #14
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all you need to do is to drill or machine the hole on the adapters to make the hub fit.. yes.. but you need to do that centered.. the money you bought the holesaw for could have been someone with a lathe ;)
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Old 05-22-2018, 09:00 AM   #15
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It's like $50 or less. .0001 tolerance. Had to have my rimps sent to a shop to be bored to 65.1. Cost like $75 because they were large. Going to chance hosing things up with a hole saw. 2mm can cause .1 and make you buy new adapters.
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Old 05-22-2018, 09:05 AM   #16
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Quote:
Originally Posted by MadDog_945 View Post
all you need to do is to drill or machine the hole on the adapters to make the hub fit.. yes.. but you need to do that centered.. the money you bought the holesaw for could have been someone with a lathe ;)

Kind of tough when you work 7-7 M-F and machine shops aren't open on the weekends.
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Old 05-22-2018, 09:20 AM   #17
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Take it to the machine shop and have it opened up that is the best option

if you open it up off center you run the risk of the adapter and the wheel being off center and rolling like a cam lobe
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Old 05-22-2018, 09:23 AM   #18
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Originally Posted by 2barxr View Post
Take it to the machine shop and have it opened up that is the best option

if you open it up off center you run the risk of the adapter and the wheel being off center and rolling like a cam lobe


if it's opened up a little larger than the Volvo hub, it would then be no different that the non-hubcentric adapters I ran with the Tritons with no issues. The adapters would still be centered to the rotor hat with conical seat lug nuts.
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Old 05-22-2018, 10:03 AM   #19
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if it's opened up a little larger than the Volvo hub, it would then be no different that the non-hubcentric adapters I ran with the Tritons with no issues. The adapters would still be centered to the rotor hat with conical seat lug nuts.


If you can't find it grind it.

Hub centric wasn't even a thing on Volvos till '75 after all...
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Old 05-22-2018, 11:44 AM   #20
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;)
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Old 05-22-2018, 12:07 PM   #21
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Quote:
Originally Posted by schaff70 View Post
Kind of tough when you work 7-7 M-F and machine shops aren't open on the weekends.
I can help with that, txt me.
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Old 05-22-2018, 01:48 PM   #22
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;)
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Old 05-23-2018, 02:06 AM   #23
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haha :D
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Old 05-23-2018, 07:47 AM   #24
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Default lug centered

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Kind of tough when you work 7-7 M-F and machine shops aren't open on the weekends.
Ive ran lug centered before. It works as long as you the one installing the wheel etc. I still think you get some vibrations.
I had a local machine shop open mine, they charged 40 bucks.
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Old 05-23-2018, 03:49 PM   #25
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If you can't find it grind it.

Hub centric wasn't even a thing on Volvos till '75 after all...
and overdrive was an upgrade...

You dont need hubcentric when you are cruising at 80mph at 4500 rpm. You will never know whats vibrating.
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