Cheers all, just looking to confirm that the centerbore for all 70-76 4-lug hubs is 78.6 mm.....or was there a change somewhere along the line?
Thanks,
-Mirror
Full Version: 4-lug wheel centerbore?
It's a matter of Hub-centric (late cars) vs Lug-centric (early cars). The actual hole in the wheel is the same for all factory alloys, but the later cars had a relief cast into the back side to fit over the hub-centric rotor design,
that's my take and I'm sticking to it.
that's my take and I'm sticking to it.
QUOTE(SLITS @ May 20 2009, 07:50 PM) 
It's a matter of Hub-centric (late cars) vs Lug-centric (early cars). The actual hole in the wheel is the same for all factory alloys, but the later cars had a relief cast into the back side to fit over the hub-centric rotor design,
that's my take and I'm sticking to it.
Superb, that's exactly the info I need to know. Any idea when the rotor design changed? Was it late '72, or '73?
Thanks,
-Mirror
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