Friday, March 18, 2011

O2M 6spd- alloy shift forks



so it sounds like everyone's favorite weak link in these are the shift forks. seeing as how DM offers up a single fork (3rd to 4th iirc), but none of the other forks in the system? i am guessing from what i have looked into that is due to being the most failure prone, as well as easiest to replace? so please correct me if i am wrong.

long story short, i am building a 6spd to replace the 5spd i was running. and since i have access to people with the right skill sets, tools, etc, i am looking into making replacements for all of the forks for my personal project. so i figure maybe get a discussion going on this, and see what people think? i dont know how many o2m owners push, or are looking to push up over 500whp, and to try and do it as reliably as possible?

a couple pics for reference...


Material will be 7075-T6, pads are Ampco 18. The main enemy here is fatigue and heat. 7075 has a great fatigue life, small grain structure, they should preform better than the poured brass the factory ones.

Ampco 18: http://www.ampcometal.com/en/index.php?page=a18ext

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