BTW the allen head countersink bolts I used are hardened bolts. The hardware store only had them in full thread 1.5" so I shortened them to what best fit.
Some pics show thick adapter in steel... I was looking at best engagement vs starter stickout. 1/4"seems fine. I used aluminum because of time.(perfecting starter pilot hole was time consuming with tools on hand. I rough cut steel with plasma cutter then routed rough edges with carbide rotary file in a router. It should be steel for reasons mentioned in post 90.
Aluminum was much quicker drilled a hole and used wood bits in my router.
I have my block nose down with crank installed in decent used bearings and plenty of grease. The starter engages clean and sounds fine spinning the crank. Normal wear on both flexplate and ring gear my clearance is about .030". You should check clearance in several spots to account for run-out.
( I also found out I had two used flexplates that were bent! They went to scrap.)
Last edited by BruceWilkie; 07-10-2016 at 01:13 PM.
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