REFLECTOR: Engine Oil: Survey

Bob Jackson (Jax Tech) bobj at jaxtechllc.com
Wed Jun 13 21:35:53 CDT 2012


Rene,

Am I reading your post correctly -- 500+ hours between oil changes with
Exxon Elite?  That would be impressive (and helpful)...

Bob Jackson
N2XF


-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of David Rene Dugas
Sent: Tuesday, June 12, 2012 9:03 PM
To: Velocity Aircraft Owners and Builders list
Subject: 500 hr between Oil Changes with Exxon Elite (Semi-Synthetic)

Exxon Elite year round. 500 + hrs change ~ q 50 hrs oil analysis Metal
traces only. Oil air separator. 

Rene' Dugas
Sent from my iPhone4S

On Jun 12, 2012, at 4:52 PM, Mark Magee <edjonesbrady at gmail.com> wrote:

> All,
> The discussions on heat, oil and water spurred me to start this thread and
ask if anyone is running anything other than Aeroshell, particularly in a
LYC/CONT?
> For brevity I'll pose these questions:
> 1) Lycoming, Contenental, Auto (specify):
> 2) Aeroshell Only
> 2A) If additives what additive and ratio:
> 3) Other Oil: Specify
> 3A) If additives with Other Oil what Additive:
> 4) Oil Analysis performed?
> 4A) Results of Oil Analysis (general terms: how many hours deemed OK
before dropping oil):
> Please include comments.
> 
> We all know the certified engine mfgs will only approve Aeroshell and P-66
for they have the STC. From my study the only difference in certified GA
engines and automotive engines is the lead in the fuel, and that Shell
claims they neutralize the effects of the lead in the oil and that auto oil
mfgs do not have to deal with lead anymore. I know folks are running Castrol
Synthetic, Royal Purple, Redline, Mobil One, Amsoil and other synthetics in
certificated engines. I can't see a negative to this, someone please tell me
specifically how I am wrong. If touting Aeroshell then please be as
chemically specific as possible and cite data (links).
> I am ready to change to an automotive synthetic racing oil. This would
provide quite a layer of protection should I (we) run hot on a climbout. The
synthetics don't really start to get into breakdown until approaching 400F.
> 
> Let's see what the cat drags home!
> 
> Mark Magee
> N34XL XLFG 300HP
> Brady TX
> 
> 'Texan by Birth, Canardian by Choice.'



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