Good deal , I mounted a home made torque arm on the PTO side since there's three different points it can be done.
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The ring gear is gone, I was warned that you can't run that clutch on an 800, not true, better than any flinging hammer you can put on it. All the mass stays centralized. Engagement is 2850.
There is a warning on running this clutch, it does not have the weight those others have and if you have a questionable crank that needs the mass don't do it.
Reason why I mention that is do some research on that year 800 you have. It was the transition from an HO to a eTec.
Say high to the crew also