hey there guys.. after doing the head and cam swap on my 09 denali.. i put the castrol 10w60 oil on it.. till yesterday i was running about 2500 miles on it and i was surprized that there was very little oil left!!* i use K&N oil filter* the pressure is more than what the stock was at.. it was 275KPA @ idle... now its more than that as u can see..
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i have an oil cooler lying around.. should i install it or not?? , i heard that the higher the pressure the more power loss u get.. is the choice of oil correct.. a friend of mine recommended me to go for 15w50 + AC delco.

 

Why 10W60? How about 5W30 or 5W40? Check the connection on the sending unit.

 

What do you mean there was "little oil left"? Also, I noticed my oil pressure went up a tad with the aftermarket cam over the stock cam as well. Nothing to worry about though.

 

the oil is kinda finished.. u knw when u pull that thing out.. theres no oil on it just a drop lol.. they tell me 10w60 is the best.. the highest in price as well..

 

Something is missing in this story....

 

....did you fill it up all the way (6 quarts)? By that thing I assume you mean the dipstick.

 

yeah 7 liters.. i do mean dipstick.. thats correct.

 

I've never heard of anyone using 10W-60...not even in a diesel.

 

10w-30 and a ac delco or Wix filter is what you should be using!!!!! 6 quarts. every 3,000 miles. plain n simple

 

10w60 wtf????? is that some overseas thing or what..... just put the 10w30 and a filter and call it a day... Something def dont make sense here or im confused