REFLECTOR: New Nozzle assembly

[Mark Magee]

Hi Doug,
You have caught my interest as I've been fighting high CHT's on my 300 HP IO 540. Would you mind elaborating a little? What drop in CHT's from just the rebuild on the servo? How much additional CHT drop on #2 when replaced? 
When I left Livermore CA in N34XL bound for Texas we had to turn back after an hour due to low power which was determined to be gummed injectors. Removed, disassembled, cleaned and reinstalled. Full power again. I understand the importance of a properly functioning manual fuel injection system.
BTW, after that incident I always run Marvel Mistery Oil in the fuel to avoid varnish on the injector tips. Working so far.
Appreciate further data.

Mark B. Magee
N34XL
Sent from IPhone 4S

On Sep 27, 2012, at 11:54 AM, Doug Kanczuzewski <doug at customstudio.com> wrote:

> I have been running into a similar problem with my CHT’s running too hot. After Airflow Performance redid my fuel Servo on the IO-540 it has gotten better. Still had a smaller problem with #2 still running hotter than the other cylinders. Replaced the #2 nozzle assembly with a .029 and dropped 120 degrees on the cylinder.
> The cost for the new nozzle was $58 which is their nozzle and .029 insert. I am contemplating replace all the injectors and then you only have to replace the insert to better balance your fuel injectors.
>  
> Doug K
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