Thanks Andrew.
Yes I think the relief valve is cracking early as well as that channel must be pretty small.
I’m convinced the engine is getting plenty of oil now.
Cheers

Steve
 

> On 23 Nov 2024, at 7:40 pm, Andrew Martin andrew@martinag.com.au <flyrotary@lancaironline.net> wrote:
>
> Hi Steve
> Seems I was mistaken, I used -10 hose also, this means only difference between our oil setups is the filtration as I used OEM. I just turned the filter mount upside down, the adapter plate was cross drilled to keep oil in correct ports and gave me an easy place to plumb oil feed for psru & extra sensors.
>
> Maybe, before opening your engine try bypassing your cooler & filter with a -10 hose of same length as in your current setup, in reality you should see minimal pressure drop between front cover & rear iron. this would either show or eliminate the hose as the restriction. maybe the channel in your adapter block is too restrictive.
> Its your EFIS pressure being similar at all rpm that makes me think there is a restriction prior to the sensor, & I don't think you should see 15psi drop after the filter to efis sensor. but maybe it is all the result of a lazy relief valve.
>
> Andrew
> <-2457295367903570421.jpeg>--
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