i have posted a while back about my starter reductor failing. the broken piece was a round piece of plastic (left in picture). Now it ain't plastic no more, as u can see on the right.
i've been running my car for 2 weeks with it with no problems. so, if anyone needs the autocad drawings for it , let me know
This was the best material choice because steel on steel whould wear out faster. Also made a plastic one but it didn't seam strong enough.