Senior Tech Team
Join Date: Jan 2013
Location: Garnet Valley Pa
Re: Gen 6 HR cam in a Mark IV???
You could call or email cloyes.I did when I was searching for a new timing set for mine.I had a sloppy chain(stock) too at 2400 mile teardown.
They said they prolly make it for GM anyway.They can tell you,or clear it up anyway which gear you have or need.
I couldn't get a definitive answer on what I needed because I had a later 12/2009 454,so I bought a new gm set for the 502.I figured since the cam was interchangeable,the heads were the same,and I had the aluminum timing cover,I was safe.Nope,lol.The gear patterns and chain were the same,but the 502 gears had a weird offset thing going on.
I wound up re using the same gears(they were fine)and the new chain.
The new chain was already sloppy like the old one.So I figure that slop is built in by them(gm)I don't like sloppy chains either,but whatre you gonna do.
GenVI 454,Autogear M-22W,Moser 12 w/3.42s
'67 Malibu,468 w/TH400
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