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Old 12-17-2012, 05:16 PM
st3gamefarm st3gamefarm is offline
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Originally Posted by hcompton View Post
I used to use gtx 20-50 since it was so thick it really does keep things lubed its slow to roll down the cylinder walls. Clearly good for bearings as well. I may need to switch back since i notice most new oil smells pre burnt these days. Works great in really hot running engines.

Things get changed and the customer never knows sometimes. Just got a bill larger than normal. I seen a turbo put on a brand new car and wasted the motor cause the rings and plated bore was not up to the job and it failed. Engine was rebuilt and the customer picked it up. We tried to explain but he just said you got it worked put right? So i am sure that guy had no clue what was done to his motor. Sometimes mechanic make mistakes and just fix them and think its ok not to say anything since they fixed it. You can usally identify oem parts over replacement check the back and see what the name is on them gm marks everythng twice at least. They are un read able usally but they are marked. After market bearing always have a size on the back next to the name.
This is all factory stuff. So anything done, would have been done prior to 97k miles, at the dealer. I perform all my own maintenance. Back in the late 70's/early 80's, I started using Castrol, because it was reccomended by the only manufacturer (at that time) to give a standard 100k mile warrenty. So I figure that while the big 3 were offering 60k, and the other was offering 100k and reccomending Castrol, I'd run it too.
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