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ESCIT Ballot. January 8, 2007. Ballot Results. Sequence IIIG preferred by a majority of the members Sequence IIIG-EOT was the preferred duration Secondary support was equally divided between: PEI165 16 hr TEOST MHT Sequence IIIG at 20/40 hours

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escit ballot

ESCIT Ballot

January 8, 2007

ballot results
Ballot Results
  • Sequence IIIG preferred by a majority of the members
    • Sequence IIIG-EOT was the preferred duration
  • Secondary support was equally divided between:
    • PEI165 16 hr
    • TEOST MHT
    • Sequence IIIG at 20/40 hours
  • Consensus vote in favor of the statement regarding SwRI’s catalyst test
ballots
Ballots
  • 17 returned ballots
  • 16 test votes cast, 1 abstention

EOT

40-hr

20-hr

votes by industry
Votes by industry
  • ILSAC members supported the Sequence IIIG-EOT uniformly.
  • API/ACC members spread support between the three options.
  • Labs/others supported the PEI165 or abstained.
comments
Comments
  • In support of TEOST MHT:
    • It is an “existing, cost-effective bench test that is appropriate for measuring phosphorus retention and/or volatility.”
    • It will “not negatively affect the ILSAC GF-5 timeline as the test is already in-place and monitored by the ASTM-TMC.”
    • It correlates with the a catalyst test which shows correlation with the field.
    • “Best precision and correlation” with field and catalyst data
    • It is an “existing bench test” and additional data can be generated quickly.
comments1
Comments
  • In support of the IIIG
    • Using the retained phosphorus from a Sequence IIIG test after 20, 40, or 100 hours would be acceptable; the results after 100 hours are the most robust.
  • In support of the PEI165
    • “Provides the most data to correlate with field/dyno tests…” coupled with “the best precision/discrimination of all tests” considered.
    • A bench test that correlates engine and field data is a better path with respect to setting acceptable levels and precision of phosphorus volatility
comments2
Comments
  • Other:
    • ESCIT should finalize test recommendation in January to ILSAC/Oil to keep GF-5 progress according to the current timeline.
conclusion next steps
Conclusion & Next Steps
  • ESCIT by majority supports the Sequence IIIG-EOT.
  • Next up:
    • Letter to ILSAC/Oil
    • Calculation method
    • Limits setting
addendum
Addendum
  • Voting Parties
    • RT Vanderbilt, Lubrizol, Chevron Oronite, Infineum, Afton, Phosphorus Derivatives Inc., RohMax, General Motors, Ford, Chrysler, Toyota, Nissan, Savant, Tannas, SwRI, ExxonMobil, ConocoPhillips
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