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As Mike Atkins, Purchasing/Customer Service Manager for Pratt & Miller, explains, “Mobil 1 has always been highly regarded throughout GM by the GTO, Cadillac and GTS V8 race program teams. We needed a lubricant to initially maximize power and reliability of the Corvette’s road-orientated engine but also provide a stable platform from which to help develop its potential.”
Mobil 1 5w30 is also currently used by the ECOTEC Powered Pontiac Solstice GXP Drift Team and Cobalt SS Sports Compact Drag Racing teams.
During this decade of development, the team has continued using Mobil 1 lubricants on the strength of the tests undertaken. “Why Mobil 1 after 10 years? “asks Doug Fehan. “Well, nobody’s developed anything better.”
http://www.mobil.com/USA-English/MotorOil/Factory_Fill/Corvette_Performance.aspx
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ExxonMobil was first approached in early 1990s when GM was seeking a high-temperature performing lubricant. In response, ExxonMobil created a high-temperature performance specification based around the performance capabilities of Mobil 1. Since then this specification of Mobil 1 has been used as factory fill for Corvettes, Cadillacs, Saturn Red Line, Cobalt SS, Pontiac Solstice GXP, and a number of other high-temperature performance engines for GM. Although similar in some respects to the road car’s requirements, the GM Racing team’s needs are based upon three performance parameters: outright power, improved engine reliability and component durability. The teams are only interested in a lubricant offering the best combination of all three.
“Our engines must be fast,” Fehan explains. “But there’s no point adding 3bhp and risking 24-hour reliability. Continuous testing has shown Mobil 1 offers the best combination of power, reliability and durability. ”