Webra 145 pump pressure ?

[Paul Horan]

    My Webra has a good top and bottom end. Only about a gallon and a half through it so far.
The top end is nice and smokey, idle is solid, but the mid range is very little smoke.  
It is on a Prophecy running a 16.5 x 12 at 7300 rpm with the Macs pipe at 27 inches.
Most of my flight is at roughly 1/2 throttle.  When I land the oil residue on the coupler and
fuselage is medium brown - fuel is a mix of 20 % synthetic and 5 % castor synthetic.  
Main needle is open 1.5 turns.
    I am wondering if I should increase the pump pressure to richen up the midrange.
Or am I just being too fussy ?
Thanks,
Paul Horan
KC5NF
AMA 57131
NSRCA 3606
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