Cam chain clearance to block

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06-28-2018, 10:06 AM

Baja Rooster

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Cam chain clearance to block

I just put on a Rollmaster CS2090 and it looks super close to the #1 side of the block. I saw a note in the box that some grinding may be needed so I guess this is what they were talking about? No marks or scraping sounds when turning over to degree the cam.

06-28-2018, 11:08 AM

payuppsucker

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Can you push it towards the block and cause the chain to make contact at any point?

06-28-2018, 11:17 AM

Baja Rooster

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Hard to tell. I’ll try to stick a feeler gauge behind it as I can’t tell if it’s hitting the block or sprocket. Is this a common issue?

06-28-2018, 11:24 AM

F-2 Speedy

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Is this a step nose cam with the retainer, cant recall from your other thread on which one to buy

06-28-2018, 11:25 AM

payuppsucker

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I can't answer that question but it definitely looks close.

06-28-2018, 11:26 AM

payuppsucker

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I was just about to say "maybe speedy will chime in here".

06-28-2018, 11:29 AM

Baja Rooster

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Yep. Gen VI step nose with retainer. Chain set has the Torrington bearing.

06-28-2018, 11:35 AM

F-2 Speedy

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I guess if they send a note in the box their product has clearance issues in some cases. that really blow's who wants to grind on a new build

06-28-2018, 11:43 AM

Baja Rooster

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A little annoyed about grinding on a fresh engine and will have to tape everything off like heart surgery. I guess the trade off is that it *may* fit under the factory cover (it’s a lot easier to grind/replace the cover though). Otherwise it’s a really nice set for the money. Installed the cam straight up and was within a half degree of spec.