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Math

Loose cam chain guide?

6 posts in this topic

Hi, I'm installing back the head on my 426 this afternoon. The head is on but the cams and chain yet remain to be installed. I noticed that the rear cam chain guide is somewhat loose compared to the front one. In fact, in can move forward-backward by about an inch as per measured on top. I just can't remember if it is normal:blush:

Thanks!

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Hi, I'm installing back the head on my 426 this afternoon. The head is on but the cams and chain yet remain to be installed. I noticed that the rear cam chain guide is somewhat loose compared to the front one. In fact, in can move forward-backward by about an inch as per measured on top. I just can't remember if it is normal:blush:

Thanks!

Yes, it's totally normal. The rear "guide" is the tensioner shoe. The tensioner itself pushes against it to push it forward against the chain.

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One guide is stationary, and the other uses the pressure from the tensioner to provide tension to the cam chain.

Chris

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