The clearance spec is how deep the flexplate tooth extends to the starter motor pinion. The minimum needs to be 0.040 inch. If your clearance is simply too tight, a shim will increase this clearance. While you stated, a shim didn't help so we will presume the clearance is abnormal—which https://starterparts25689.aboutyoublog.com/40132175/the-5-second-trick-for-ltd