Quote:
Originally Posted by hellokitty
If you are tuned on full E85, use Xcess Gen 2 and change at 3k while also doing an oil analysis at that time with a TAN measurement.
Running on full E85 dumps in a ton of fuel even for street driving, so fuel dilution is a major issue. As a result, only use a 40 weight with a high HTHS and LL-01 spec.
Cheaper LL-01 oils have a minimum level of HTHS required to meet LL-01 (3.5). Xcess does a bit better with HTHS of 3.7, so you have a bit more protection for the money.
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Usually I set between E40 to E70, I haven’t ventured into full E85. On the OTS Multimap. Will switch over to X-Cess 5W40. Thank you for all the feedback!