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| Oil Sump fill levels | Rate Topic |
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| Posted: 09-14-2005 11:45 pm |
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1st Post |
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Mark Rosenbaum Member 
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Having some time on my hands, I decided to see exactly how full a late-engine JH oil sump gets for various fluid quantities. Not having any food coloring immediately to hand, I used a tea bag to tint tap water which was then poured into the sump in measured increments. In the photos, the fluid levels turned out to be a bit hard to see, so I added red lines to make things more apparent. I can't seem to get the photos to show up here directly, so if you're interested, check out the photos at http://jhppg.com/gallery/Oil-sump-fill-levels . Last edited on 09-14-2005 11:58 pm by Mark Rosenbaum |
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| Posted: 09-15-2005 02:41 am |
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2nd Post |
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Tony Hollart Member
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Mark, The baffle that is in the sump is this standard? My car has a similar looking baffle but it looked so crude I thought it was a modification by the previous owner.
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| Posted: 09-15-2005 03:08 pm |
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3rd Post |
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Mark Rosenbaum Member
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Tony, Yes, the baffles were installed by Lotus when the engines were built. It's my understanding -- which may not be correct -- that they were added in response to complaints by owners who raced their cars and experienced low or no oil pressure on long banked turns. I did a survey some years ago and the baffles were present in three quarters of the cars whose owners responded. If I recall correctly (a dubious proposition at my age) they were first used some time after the change in engine design circa engine no. 2760. UPDATE: In the text above, 2760 is the correct engine s/n, not 2860 as was originally typed. Sorry for any inconvenience this may have caused. Last edited on 09-16-2005 03:06 pm by Mark Rosenbaum |
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