After trying the EBS “deep” version baffle along with the .5qt sump extension, I decided to switch to the FVD .6qt bespoke oil pan and their x51 style baffle. The FVD oil exchange windows are smaller than the EBS, use rubber flaps and are positioned higher in the baffle. The FDV edge seals are rubber wipes rather than the EBS wraparound rubber. No clue whether the design differences are good, bad or a wash but a friend of mine has been running the FVD in HPDE for several seasons with no problems (in a 996). The FVD was a perfect fit out of the box.
Like others on this thread I had to make minor mods to the upper and rubber edges of the EBS to make it fit to my satisfaction. Additionally I was glad to eliminate the double row of flange sealant. I applied the SI5900 using a regular caulk gun with no problems.
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Rgds, Fred
#317 550 Spyder Anniversary Edition 2004 Boxster S, 3.8L Flat Six Innovations engine, PSS9s, etc, etc . . .
The contents of my posts are for entertainment only. As confirmed by my many motor sports fails, I am not qualified to give product endorsements or mechanical advice