The clearance spec is how deep the flexplate tooth extends into the starter motor pinion. The minimum amount should be 0.040 inch. Should the clearance is just too limited, a shim will increase this clearance. When you described, a shim didn't assist so We are going to assume the clearance https://hejian-nuojin-auto-parts46790.blogunok.com/35390023/a-review-of-ltd