Search:

i don't think they were ever built for the st. we used them a long time ago in round track racing motors, because(like dave said the chains wouldn't hold up.)the chains got better.

sorry about that. won't thinking gear drive. this is what i found. http://www.edelbrock.com/automotive/timinggear.html

you bolt the cam gear to the cam, and drive the crank gear as far as it will go then the chain should make it run true. :HMMM: some motors have cam retainers, some use buttons and some don't use...