I used to drag race six-seven times an evening.i dont have an oil cooler and my preceding oils lasted only 300miles max until finally they grew to become h2o like.this lasts one.5k miles with my driving.the 20w50 which actually does not have the w..it is actually 2050. it acts just https://elevemotors.com/product/jdm-mitsubishi-turbo-4g63t-engine-for-sale/