Re: Two cams or one?

[Evan Arnerich <arnerich@xxxxxxxxxxxxxxx>]

Sean Murphy wrote:

> When you only have
> one cam, both the inlet and exhaust valves are driven off one cam-lobe

> therefore the timing, duration etc is the same for both.

Sean,

This is not true, at least on any SOHC engine I know of. If you can
state a specific example, please let me know. I've worked on SOHC
Mitsubishi's, VW's and BMW's and each valve definitely has it's own cam
lobe.

Evan

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