Subject: Oil pan
From: ACRE NL
Date: 8/4/2001, 7:48 AM


The front oil pickup has me baffled. It is from a 88 turbo
engine. It has what appears to be four very small helmholzt
resonators.
For what reason I have no idea. Mazda knows something about this
they are not saying in any of the SAE papers I have read.

The back oil pickup is from a 87 normally aspirated engine.
The oil pickup will need to be modified to fit this pan.

Weight is about four pounds. Not much of a weight saving but
that includes the air oil separator plate which normally would be
missing. This top plate, if made thicker, could also serve as a Tracy
Crook
style motor mount bracket.

The pan holds 3.9 quarts. There should be another half quart in the
rotors and another quart in the oil cooler and plumbing.

Paul Lamar


Ken Gillanders wrote:
Paul,

You may be surprised to know that I have that same pickup with the
resonators out of a 1986 13B normally aspirated. Cannot be related to
turbo
vs NA. I know for a fact this was a '86 because I pulled it out of the
car
and I looked at the door plate.

Ken Gillanders


Not only surprised I am dumbfounded :-)

Paul Lamar

The strange oil pickup has long been a mystery to me too.  My first (1988)
engine had one but other 88's did not.  Mazda seems to have thrown in a few
of them at random just to confuse us.  I now only use the simple (and much
lighter) type.  Wish I knew the theory behind those 4 chambers in the heavy
one.

Tracy Crook
tcrook@rotaryaviation.com
www.rotaryaviation.com

 
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