Quote:
Originally Posted by afterburn 549
For those who are of serious intellect here and students (always learning) please pay atn.
There are a bunch of engines that are being produced today that were also being produced before the advent of the 0W20 oils.
Toyota is just one of them.
There is a UTUBE Vid on this .
The producer showed it all , dwn to the size of the bolts.!
The interesting part is that these engines required 5W30 prior to the 0 W 20 fad.
And no, no production line changes on the line cards.
None
Right down to the last nut, bolt and bearing.
Now with the B58 (BMW) there have been some mods.
They have removed the plastic liner thing in the oil pump and replaced with steel of sorts.
(the plastic cracked)
As I said, this deal with 0W20 is strictly a fuel milage incentive mandated by big government.
You all do as you wish.
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what do you think manufacturing engineers do?
of course the bolts are the same. they are all standard parts. specifications change all the time on a production line. tolerances, couple thousandths of an inch here, couple there. heat treating. casting quality. new suppliers, who also have there own processes that change all the time. things change due to tool wear, tooling quality etc etc.
just because an engine was made 20 years ago, doesnt mean it hasnt changed. it has changed a million ways. have you ever actually looked at an engine? i have 4 mazda b6s that were all made within 5 years, and all of them are different.
but the bolts will be same
