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arenalife

18-01-07 10:19 AM

Cams run directly in the heads don't they?

ejohnh

18-01-07 12:49 PM

Quote:

Originally Posted by arenalife

Cams run directly in the heads don't they?

If it's anything like a normal (car) OHC engine then the cams lift the rockers which depress the valves - all in the head. At no time is there any friction with aluminium parts. I seem to remember something about desmodromic(?) valvegear working differently though.

John

northwind

18-01-07 12:53 PM

In the SV the cams run on the buckets, which depress the valves, no rockers. But the principle's the same, I think both parts are steel.

ejohnh

18-01-07 01:00 PM

Quote:

Originally Posted by northwind

In the SV the cams run on the buckets, which depress the valves, no rockers. But the principle's the same, I think both parts are steel.

Damn me! Shows how dated I really am... :oops:

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