REFLECTOR: Oil cooler clearance (Don Johnston)

[Fred Anderka]

Hi Don:

I can't recall how much clearance I had initially, it may have been about 3/8".  What caught my attention was that the powder coating on the engine mount had been chipped and there was an abrasion mark on the corner of the oil cooler.  After adding the washers on the top of the right side rubber mounts there is about 5/8" clearance.

Tape a small piece of PlayDo on the engine mount tube that will show if the oil cooler is still contacting that tube.  As the engine turns counter clockwise (looking from the back) the torque reaction will tend to close the oil cooler/engine mount tube gap.  I have no idea how much the torque reaction twists the engine during maximum power T/O.  Another question; do the rubber engine mounts settle with age?  Is there a published service/replacement period for the mounts?

Fred
XL-RG (620 hrs.)

Date: Wed, 5 Sep 2012 17:05:54 -0500
From: Don Johnston <numa at comcast.net>
To: reflector at tvbf.org
Subject: REFLECTOR: Oil cooler clearance

Groan...

Fred,

How much clearance is needed to not hit the mount during startup and shutdown?

Don