I used to pull race 6-seven instances a night.i dont have an oil cooler and my earlier oils lasted only 300miles max until they became water like.this lasts one.5k miles with my driving.the 20w50 which truly doesn't have the w..it truly is 2050. it acts similar to a fifty when https://elevemotors.com/product/jdm-honda-s2000-f20c-engine-for-sale/