REFLECTOR: Oil cooler (FG)

[Mark Magee]

Hi Patrick,
You need to find a TXL owner/driver and get the inside sccop (punintended). The turbo adds much complexity in the cooling area. A TXL'er should  have answers rather than those of us here running theory. I feel I could offer sound theory, but not real world data as few of us can as we're mostly NA.

Mark B. Magee
N34XL
Sent from IPhone 4

On Aug 18, 2012, at 4:37 PM, "Patrick Sieders" <pjsieders at comcast.net> wrote:

> Hello Crowd,
>  
> So here is my setup, my plan, questions, and hopefully some wisdom from y’alls side.
>  
> I have a IO-540-J4A5 Lycoming, coming off of an Aztec. 250HP Turbo normalized. Since it came firewall forward, I ended up with the oil cooler, which seems to be a NDM 20104A. In a normal situation, that would be sufficient, but since we fly these engines backwards, with minimal cooling, I believe an extra cooler will be needed.
>  
> At this point I am thinking to place this cooler (the one I have) up front, and add a smaller one in the engine compartment. Mind you there is a turbo back there with extra heat, so it would not be as efficient as on normal setups.
>  
> OR..
>  
> Should I wait with installing a second one and try it with one first ?
>  
> OR..
>  
> Should I divide the coolers, i.e. getting two new ones, one up front and one in the back ?
>  
> I know this is not all very scientific, but some forward thinking is required, and I want to see what steps I might have missed.
>  
> Patrick Sieders
> Nashville TN
>  
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