? on Precision roller cam install

[turbo6randy]

I purchased a used 224 Precision roller cam. I don't see anything that keeps the cam-sensor drive gear in place other than having a slight press fit. Is this normal or am I missing something.
Also, does anyone know the lift on this cam?
Thanks
Randy

 

[Lee Thompson]

bolt

Should be a bolt with a torrington bearing on the end. Also a large washer for the bolt that fits in a recess machined in the cam gear. These are a slip fit over the nose of cam and the cam end MUST be shorter than the stack up of parts (timing chain gear, spacer , cam gear and washer) by about .004. The bolt will JAM the stack up against the shoulder on the cam nose. Did it come with a holder and a large torrington bearing to ride against the block?

 

[turbo6randy]

Thanks Lee
That's what I needed to know. The cam sensor gear that I got with this cam does not have the recess and washer. However I do have one like that from an ATR roller cam that I have. Hopefully it will work. I slipped the gear from the ATR cam on and the recess was about .025 higher than the end of the cam. I do have the torrington bearing and holder. Also there are two shims that I assume go on each side of the torrington bearing.
Randy

 

[Lee Thompson]

shims???

How big are these shims? I have never seen shims on the large torrington bearing. Small shims for the bolt--yes. Small shims go between the washer and bolt head to set cam end play against front cover. .004-.010

 

[turbo6randy]

Lee
I have two shims or wear plates, that are the same size as the torrington bearing. Does the torrington bearing usually ride directly against the block and the holder? I also have 3 small shims for setting timing cover clearance.
Thanks again for the info.
Randy

 

[Lee Thompson]

shims

I have done a few PTE type roller cam setups for myself and friends. I have never seen a shim for the large torrington bearing. The bearing rides against the holder and block. Unless someone has removed too stock when machining for the holder. Best of luck