Tom,
Other than an inch being 25.4mm not 25.1
12/25.4 = .472"
As long as you measured accurately it appears you have a good high
torque cam suited to 42mm inlet valves and stock 38mm seat inside
diameter.
This would be a good cam for an L18 with a stock head with the ports
cleaned up I would think. Did you get any valve springs and lash pads
aswell? you'll need them.
Craig.
> Tom Richardson wrote:
>
> Okay well The shaft is 25mm in diameter
> The base circle of the lobes are all 31mm in diameter
> The highest point of the lobes is 11mm proud of the shaft
> Total lobe height is 39mm
>
> 39-31 = 8 * 1.5 = 12mm valve lift
>
> This would make it 12/25.1 = 0.478" lift just slightly under Crow's
> smallest L series cam
>
> Can anybody see a mistake?
>
> Many thanks to Craig and Errol for their help!
>
> - Tom
>
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