[Fot] overfilled TR4 sump

[David Gott]

Hi Bob,Makes sense on the Chevy.  I’d argue that the crank is so far above the oil level in the TR4 pan, that it probably doesn’t make a difference in this application, but I have no science to back up my wild claims!!
-Dave G


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On Tuesday, June 15, 2021, 4:48 PM, Bob Kramer <rkramer56 at gmail.com> wrote:

I caught an episode of Engine Masters on the tube.  They had a big block Chevy engine where they tested a Miloden and a Moroso oil pan.  One of the pans was a cheap aftermarket with baffles. and the other a high tech job with a 2 part tank, extra width, engineering screens and the like. Neither had a crank scraper. They were able to gain HP by dropping the oil level to 5.5 quarts (no accusump). They played with the oil level to try and correct a drop in oil pressure that occured near peak power.  Oil pressure dropped like a rock and they speculated it was foaming the oil. In the end the high tech pan versus the cheaper aftermarket pan added 27 HP if I remember correctly.   
Bob Kramer

On Tue, Jun 15, 2021 at 2:48 PM David Gott via Fot <fot at autox.team.net> wrote:

Hi Tim,
Not a problem at all; before installing an accusump, I would run mine 1/2 quart over to ensure constant pressure.  Autocrossing, I would notice pressure drops (split second) in the corners on occasion if I did not do this.   You are in good shape!!
Dave Gott


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On Tuesday, June 15, 2021, 2:47 PM, Tim Murphy via Fot <fot at autox.team.net> wrote:


I overfilled the TR4’s sump by about a pint (1/4 inch on the dip stick). Is this critical or can I just run it and burn off the excess at the track? Thanks in advance for the advice.

  

Anyone else going to Blackhawk this weekend?

  

Tim Murphy
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