Quote:
Originally Posted by wallacengineering
If you read the post above yours you will find that I have already decided. It has ran 5W-30 (manufacturer's recommended) conventional oil its entire life, so what I decided to do is keep the 5W-30, but I upgraded from normal conventional oil to 100% full synthetic extended performance by Mobil 1 (the best and most expensive oil on sale today so far as I can see).
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Pointiac Fiero- I almost bought one for my daughter
pathetic- my 64 Corvair handled better and was quicker
let me see if I have this right-
was a rear engine mounted system- that was loud- no get up and go
squirrely on anything but flat smoothe blacktop
any you took that engine/transmission out and swapped if with WHAT
I worked for Mobil Oil when Mobil 1 came out- Mobile/we, never recomended you substitue our thin synthetic on anything but a real tight engine- and that engine most likely would leak or use Mobil 1
Engines now days are designed differenty-
to an engine builder- the 80's engine to the now 2000 engines- are real different- now we can use thin oil/ before we could not-
simple- do you who think you know oil and viscosities- know why todays engines do well on thin oil
30 years ago- you put in this thin oil- you could expect a hole in your block-
and less you feel you know engines and clearances
muscle cars in the 70's ran on what oil- and how much HP/TQ
do you even want to know crankshaft/connecting rod clearances
you ever cared to see what specs an engine(any engine) shows and why