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Shelby Ronal Centerbore problem.

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Shelby Ronal Centerbore problem. #1 This topic is about my 1962 MG MGA MkII
Flyboy737 Chris H North Tustin, CA, USA Sign in to contact 1962 MG MGA MkII "Ruby"	Topic Creator (OP) Mar 24, 2017 06:52 PM Joined 7 years ago 7 Posts

Forgive me if this has been answered but I've searched the forums to no avail.

I've got a 62 MkII and I want to add the Shelbys as I have a local line on them but there's a problem with the centerbore on the front axle hub. The Shelbys (and Minilites,) seem to have about a 2.5" center bore and the MkII front hub is between 2.75 to 3". Of course they work fine on the rear drum brakes but what is the solution for the front?

I can't imagine having them all machined to a larger bore size?

Chris

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Re: Shelby Ronal Centerbore problem. #2
TRY try Young Georgetown, KY, USA Sign in to contact	Mar 24, 2017 07:46 PM Joined 14 years ago 717 Posts

You can use the hubs that came with disk brakes

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Re: Shelby Ronal Centerbore problem. #3
geezer charles durning Magee, MS, USA Sign in to contact 1967 Morris Minor 1000 Saloon (2-door) "Marvin" 1974 MG MGB GT "Foghorn Leghorn"	Mar 24, 2017 08:29 PM Top Contributor Joined 13 years ago 6,500 Posts

You may want to look at the wheel stud holes. A lot of alloy wheels are designed to be hub piloted not stud piloted. If the wheels were designed for a different car the 2.5" bore could have been designed to have a precision fit on the intended car's hub. Those wheels have straight lug nut holes and use lug nuts with a washer. If the wheels use tapered lug nuts you will be fine with hogging out the bore of the wheel. Using hub piloted wheels with out a proper hub fit, you will be chasing loose wheels since there is no good way to keep the wheels firmly in place.

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Re: Shelby Ronal Centerbore problem. #4
Flyboy737 Chris H North Tustin, CA, USA Sign in to contact 1962 MG MGA MkII "Ruby"	Topic Creator (OP) Mar 24, 2017 08:39 PM Joined 7 years ago 7 Posts

Thank you, I'll look for another option.

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Re: Shelby Ronal Centerbore problem. #5
Blueosprey90 Jeff Sienkiewicz New Milford, CT, USA Sign in to contact 1957 Volvo PV444 1959 MG MGA 2004 Honda S2000	Mar 25, 2017 08:41 AM Top Contributor Joined 14 years ago 5,182 Posts

My after market steel disc racing wheels had issues. I just ground out the center hole.

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