Quote:
Originally Posted by JSH
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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On my 19, the owner's manual says the V8 uses DEXOS 2 oil while the non-V8 engines use DEXOS 1 Gen 2. Lots of dealers also get confused as well by this because, like you said, DEXOS 2 was initially developed for diesel engines.
I believe GM has stated that this recommendation retroactively applies to all LT1-equipped vehicles.
Sent from toaster or something
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Current:
2019 Chevrolet Camaro 2SS 1LE M6 Shock
GM Performance Intake and that's it, because driver mods before car mods
Past:
2009 Mazda RX-8 GT M6 Velocity Red Mica (Sold)
2015 Chevrolet Corvette Z51 2LT M7 Velocity Yellow Tintcoat (Flood totaled)