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Everything that I read tells me these cars should be using dexos 1 Gen2 oils, not dexos 2 oils, which are for diesel engines which have to pass a low speed stochastic pre-ignition (LSPI) test.
When you don't see Mobil 1 and Pennzoil's best racing oils on the dexos 2 list...
For example, Mobil 1 Extended Performance 5W-30 - GM dexos1:GEN2 Licensed - is for modern gasoline-powered vehicles (even those with high-performance, turbocharged, supercharged, multi-valve or fuel-injected engines
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'20 ZL1 1LE A10,
OEM short block, LME heads/valve train, E2650.
100+ octanes, no eth, no meth, no N2O.
2/23 - 1031/1004 wheel.
4/23 - 1.41/9.61/145 at DA 7000 ft. (only made five passes).
2/24 - LME 390, E2650, FBO, 100 oct.; 1116hp/ 1063tq; 109 oct. dyno next.
Last edited by JSH; 11-30-2020 at 08:15 AM.
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