Quote:
How does that cam snout extension fail if the bolt is torqued correctly?
I've used a few of them the first one I bought has almost 100k on it
I wondered that too. Combination of high RPM and higher-ouput fuel pump, maybe? And maybne not torqued properly so teh clamp force between button & cam was low, causing the little key to carry more load? 
Parts I seek:
driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set
16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better.
69-73 C-body caliper brackets and/or splashields
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