One of my really good friends is a mechanic, he does my oil changes for cost in his driveway (found me the car too). It is a good excuse to stand around, shoot the breeze and have a beer with him.
lowsound
lowsound
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I never pay someone to do something I can do myself, the OP is a good example of why
Depends on the RPM of the motor and bearing clearance.
Also has to do with the age old high performance thing most feel is needed the classic "high volume oil pump"
which is just the guts of a big block pump mounted inside a small block case.
What has been found is that all the extra volume the "high volume pump" puts out is too much and just holds the bypass open. Which can actually lower pressure on the top end of the motor, going high RPM it will kill the valve train.
So the cure is 400 horse or under motors actually dont need high volume pumps, And 400 horse and over high RPM motors
have the bypass welded shut or the bypass is shortened and a very very heavy spring is installed so the pump under normal pressure wont open it at high rpm. With high volume pump the top end will get the oil it needs. Usually this happen to 500 horse and over motors though, most of them never touch the street and see many miles on trailers. hence race only.
Or likewise better heads or dedicated race block that has enlarged oil passages, can use a high volume pump and still have the bypass. Again race only motors dont need bypass.
A work truck getting daily use, absolutely bypass is a good idea
am i off topic yet? lol![]()
Dig a hole and pour it in. Thats where it came from.
How you guys dispose the old oil? I can change the oil myself but i dont know what to do with the old oil.
That is so incredibly bad for the environment. Never, never do it. Most car part places have a used oil drop off.
lowsound
This and we always switch "new-to-us" vehicles to Mobil 1(EP now, see Bob the Oil Guy and other forums).I've always enjoyed doing my own. It's relaxing, and I *know* it's done correctly.
I had a '78 Honda Civic that leaked about a liter a week. I just put another liter of oil in every time I got gas. I bought the oil in cases at the grocery store. High quality stuff!
But I had a really nice oil undercoating.
This and we always switch "new-to-us" vehicles to Mobil 1(EP now, see Bob the Oil Guy and other forums).
Current results:
2000 Chevy Van 286k miles
2000 Chevy Tracker 185k miles
1985 Chevy pickup 143k miles
The van(5.0 engine) is testament to good oil. Chevy seems to make 2000 and later radiators with plastic drain plugs that sometimes come apart with 1 part going onto the highway and 1 part being sucked into the radiator. Ours did. Wife drove it 1 mile(off of a no-stop) bridge with temp gauge pegged, no water. Engine did not seize. Later we had the infamous intake manifold gasket leak coolant into the oil and found out when I changed the oil....that looked like chocolate pudding. Again, engine survived. I wonder how long it would last without the above 2 stresses.
My current routine is to change the oil & filter every 5k miles. The filter gets replaced every 2500 miles with about 1 quart of new oil added.
I change my oil every year, or 5000 miles, whichever comes first. Usually, the former...