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[Fot] Spitfire oil pan baffling

To: <fot@autox.team.net>
Subject: [Fot] Spitfire oil pan baffling
From: "Barr, Scott" <sbarr@McCarty-Law.com>
Date: Thu, 30 Oct 2008 11:26:45 -0500
We're planning to improve the baffling in our Spitfire oil pans for next
year and are looking for any input you might have.  (I say "pans",
plural, because we hope to have more than one Spitfire next year.)  Any
thoughts on how baffling should be done?

The oil pan we're using is currently baffled as described in the
original Comp Prep Manuals.  There's a divider down the center of the
pan (longitudinally) which goes from the bottom of the pan (with a small
space underneath - approx. 1/4") and extending up to the level of the
shallow part of the pan.  In the divider is a big swinging trap door
allowing oil to surge from the right side of the pan over to the left
(where the pickup is), but not the other way.  There are some approx.
3/8th" holes (6 or 8) drilled in the trap door.

For the last couple of years, we've had no luck keeping Spitfire motors
alive for longer than one race.  We've been losing rod and main
bearings.

Given that the pan is baffled and that I've got a 3-quart Accusump, I've
never bothered to install a big red idiot light.  Until the last race.
(OK, call me a slow learner)  What we found out watching the big red
light (pressure switch set at 40psi) is that we're losing oil pressure
very rapidly every time I turn left.  Could be lots of things, including
oil level set too low to start with, but we're going to install our new
I-J crank scraper with directional screen windage tray, improve our pan
baffling and see what happens next year.

Scott B.
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