[Tigers] Best Dino Oil for 260/289/302?

[Gyroplanes at aol.com]

In the world of aviation, we break in an engine with straight mineral oil  
for the first few changes (10 & 25 hours) then switch to an ashless  
dispersant (additive) oil or semi-synthetic. The FAA subscribes to the theory  that 
straight synthetic oil will run off the cylinders and other parts, leaving  
them open to rust and corrosion. Most aircraft engines, like most Tiger 
engines,  do not see everyday use.
 
Tom  Milton
Lansing, IL.
1964 Tiger project
B382000257

 
 
In a message dated 7/8/2010 9:38:14 P.M. Central Daylight Time,  
rfraser at bluefrog.com writes:

Have you already done a break in run on the engine?   I would  use
10W30 not 20W50 plus a bottle of break in oil that has all the high  
pressure
additives for the break in run unless you have a roller cam which  does not
need the additives.  I would continue to run 10W30 or 10W40  as regular oil.
Some of the oils have more of the additive but I'm not sure  off hand which
ones.

Ron Fraser

-----Original  Message-----
From: tigers-bounces at autox.team.net  [mailto:tigers-bounces at autox.team.net]
On Behalf Of Would U.  Believe
Sent: Thursday, July 08, 2010 8:55 PM
To:  tigers at autox.team.net
Subject: [Tigers] Best Dino Oil for  260/289/302?


I am trying to figure out the best choice of dino oil  for the 289 engine.
Because the engine is freshly rebuilt and needs to be  run in, I don't want
to use synthetic (too slippery).  What grade oil  are you all using, 20W50?
Thanks!  _______________________________________________
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