Drilling and tapping sizes for spindles for LS1 brackets?
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Re: Drilling and tapping sizes for spindles for LS1 brackets?
To keep it simple I normally use a 7/16"-20 on the upper bolt and a M10 x 1.5 button head Allen on the lower spindle bolt. The button head allows the caliper abutment to clear the bolt head, it's very tight in that area. You don't need to go to the larger M12 but that's up to you. Using slightly smaller bolts leaves more spindle material for you.
Ed
Ed
Top
7/16-20 (tap), 25/64 (clearance drill)
Bottom
M10 x 1.5mm (tap), 8.5mm (clearance drill)
Last edited by blakecharles; Aug 21, 2012 at 12:10 PM.
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