Thanks John

So when the MP gauge reads 45" that is referenced then to a vacuum.
So 45" Hg = 22.1psi - 14.7psi = 7.4psi

That makes more sense.
Can anyone comment on Q2. in my previous post?

Cheers

Steve Izett


On 26/09/2011, at 10:06 PM, John Slade wrote:

> On 9/26/2011 10:02 AM, stevei@carey.asn.au wrote:
>> If Dave is boosting to 45"Hg then am I right that that is ~22psi.
> I think not, Steve. According to my calculations that equates to about
> 7.5 PSI of boost.
>
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