centerhole honing
centerhole honing
i found found a good deal on some wheels, i tried them on today and the fronts just wouldnt fit over the hub, it was extremely close like 1/16 maybe 1/8, other then the that they were awesome. the wheels are fittipaldi 17x8, dude had em on a 95 bmw. my question is do you think its smart or a good/bad idea to hone out that centerhole just a hair so they fit?? thanks
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Joined: Oct 2003
Posts: 3,449
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Re: centerhole honing
I've had it done. Just find a good machine shop and expect to pay at least $50 a wheel.
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Joined: Aug 2013
Posts: 8
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From: IL
Car: 89 Formula FB
Engine: l98 transplant
Transmission: BW T5 with pro 5.0 and HD clutch
Re: centerhole honing
i found found a good deal on some wheels, i tried them on today and the fronts just wouldnt fit over the hub, it was extremely close like 1/16 maybe 1/8, other then the that they were awesome. the wheels are fittipaldi 17x8, dude had em on a 95 bmw. my question is do you think its smart or a good/bad idea to hone out that centerhole just a hair so they fit?? thanks
Supreme Member
Joined: Apr 2013
Posts: 1,353
Likes: 2
From: North Salt Lake
Car: '86 Camaro, '94 Camaro, 3 others
Engine: LG4 ->L29, L32->LR4, L36, LG4, L31
Transmission: 700R-4, T5WC, 4L80E, SM465, 4L60E
Axle/Gears: 3.42, 3.23, WTB/WTT 2.93
Re: centerhole honing
Cheaper and easier to get the hubs turned down, any place that turns rotors should have no difficulty.
Junior Member
Joined: Aug 2013
Posts: 8
Likes: 0
From: IL
Car: 89 Formula FB
Engine: l98 transplant
Transmission: BW T5 with pro 5.0 and HD clutch
Re: centerhole honing
Supreme Member
Joined: Apr 2013
Posts: 1,353
Likes: 2
From: North Salt Lake
Car: '86 Camaro, '94 Camaro, 3 others
Engine: LG4 ->L29, L32->LR4, L36, LG4, L31
Transmission: 700R-4, T5WC, 4L80E, SM465, 4L60E
Axle/Gears: 3.42, 3.23, WTB/WTT 2.93
Re: centerhole honing
There was a time that I had a job which included turning rotors. The real issue is that some such machines will require removing the lug studs. Still, if I had my own used rotor machine, it's only be an extra minute of labor for me, aside from stud pressing, and an extra 5 minutes of running the machine, at most. This problem would mostly go away with a big brake conversion. Then just get one pair of 1LE hubs turned once, and this at the same time as having the 12" rotor turned off the hub. Then never again need the hubs turned. The 1LE hubs still have advantages in outer bearing size, and in crack resistance, even though they will reduce what wheel-spacer thickness you need.
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Joined: May 2002
Posts: 4,449
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From: Everett, WA
Car: 87' IROC
Engine: L98
Transmission: T56
Re: centerhole honing
Wow, crazy thread.
1. Are you sure these are 5x4.75" wheels? If they came off a BMW, they are probably 5x120mm. What do you plan to do about the difference?
2. DO NOT TURN DOWN THE HUBS. Do you have any idea of the loads that go through the hubs? Do you have any idea how much strength you will loose by turning the hubs down? What is the size difference between the hubs and wheel?
1. Are you sure these are 5x4.75" wheels? If they came off a BMW, they are probably 5x120mm. What do you plan to do about the difference?
2. DO NOT TURN DOWN THE HUBS. Do you have any idea of the loads that go through the hubs? Do you have any idea how much strength you will loose by turning the hubs down? What is the size difference between the hubs and wheel?
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Joined: Jul 2000
Posts: 6,522
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: centerhole honing
See below; a drill and a sanding drum are needed. Go around the wheel inner bore slowly; dont stop in once place; and keep the speed consistent. Once a rotor sets into it, you're done. I left it as small as possible; have to push the wheel on a tiny bit so it's > .005" If you're trying to run late model GM wheels like from a 98-up S-10, that will work. The grit will gum up with aluminum a little bit.
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