Compression Ignition Addict
Join Date: Oct 2012
Location: Cypress, Texas
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If you can stick w/ a lower viscosity W rating (like 5 instead of 10 or 15), that will assist with your cold start oil flow. Synthetics also help with "clinging" and viscosity change elimination, plus the lack of viscosity improvers to break down.
I recommend Castrol Elixion 5W30 full synthetic diesel engine oil to Texas customers looking for a better oil, extended drains, cold-start performance, wear protection, and better MPG (up to 4%).
I personally use Castrol Tection 15W40 in our fleet, because it is very strong and is well-suited for heavy-duty/demanding applications. We drive all around Texas and Louisiana, sometimes off-road, lots of idle time, and plenty of heavy hauling.
2012 F350 6.7L SRW LB CREW LARIAT ULTIMATE FX4 3.55 ELSD - SCT X4 - DELETED - 4" SS FLO PRO - NO LIMIT EGR DELETE
2012 FORD EXPEDITION EL LIMITED
2007 F350 6.0L SRW LB CREW XL FX4
2007 RANGE ROVER SUPERCHARGED
1970 FORD TORINO COBRA 429