Originally Posted by ericem
Run a motul or castrol 5w30 than switch to a 5w40 .
Pretty much what I did. Castrol GTX
A lot of us change the oil & filter after the 1st 20 minutes of run time. than after 500 miles.
Than after another 1000 miles, then after another 1500 then go to 3500 miles OCI.
199,000 May 12 new ej257 short block, Aug 11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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