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Re: [Fot] Oil pan baffle design - help me think this through...

To: markconsultation@twcny.rr.com, tony@tonydrews.com
Subject: Re: [Fot] Oil pan baffle design - help me think this through...
From: Gt6steve@aol.com
Date: Sat, 28 Mar 2009 15:03:51 EDT
My baffling did use trap doors to keep oil around the pickup.  Fill  your pan 
to a couple inches below static level with water and walk around with  it for 
a bit.  Run it low because you'll not have normal level when  running, a lot 
of it will be up in the engine.
 
Rolling the pan around will give you some idea what the oil is doing on  
track.
 
 
In a message dated 3/28/2009 12:00:47 P.M. Pacific Daylight Time,  
markconsultation@twcny.rr.com writes:

Tony  Drews wrote:
> Mark, I've run this design for a few years   (probably at least 5 if I 
> think about it) and don't have starvation  issues due to the baffle.  I 
> do still see oil pressure drop in  the left hand corners if the 
> engine's oil level is too low.   Adding a quart fixes that for a while.
>
> It's possible that a  more elaborate design would let me run a bit 
> lower oil  level.
>
> I don't remember the exact gap, but 1/2" sounds about  right.  It ended 
> up this way because the car already had a  portion of the baffle in 
> there - we just added the piece that takes  it full length of the pan 
> (and has the gap to the bottom).   That's the 2nd piece you mention.
>
> - Tony
>
>
So  I'm out there playing with cardboard and my oil pan and I says to 
myself -  If I put this baffle at an angle following the line of the hole 
in the top  of the oil plan like Tony and the TR Comp manual did; 
wouldn't it want to  funnel the oil "down hill" (assuming hard left turn 
side forces) backwards  away from the pickup to the 1/2" relief on a hard 
left corner? Thats a  good ramp and with a 1/2 to 1g force its easy to 
picture oil moving very  quickly.

So - would it be better to run the baffle parallel to the oil  pan 
instead of parallel to the pickup? I considered doing it in one or two  
steps to keep it close to the pickup.

The second idea would be to  construct it the way Tony did but put a 
couple of 1/4 to 1/2 inch vertical  baffles on the face to inhibit the 
"down hill" flow back where the screen  necks down a bit and at the 
bottom just before the 1/" relief.

At  the end of the baffle where the welded on tab floats above the bottom  
1/2", do you think oil is moving toward the pickup due to consumption or  
away from it due to side forces assuming you are past the apex and on it  
hard?

Am I overthinking  this???

M
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