synthetic oil leaks
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GTcars - Post God !
Joined: Nov 2003
Posts: 7,173
From: Valencia, CA
Rep Power: 967 
Originally Posted by archemedes
the weight is too much for the pump to pump well, it's too heavy to cling to bearing surfaces, the film thickness is off meaning your bearings have either too big or too little a gap
GTcars - Post God !
Joined: Oct 2004
Posts: 6,626
From: palatine,il (chicago)
Rep Power: 922
okie dokie. i really dont think the differences in the numbers matters that much. w.e is in stock at vatozone is what i buy. pretty much always valvoline. i cant see the weights making THAT much of a different to the point the bearings fail cause it wont stay on them. when my bottom end blows up, ill let you know.
GTcars - Post God !
Joined: Apr 2004
Posts: 15,868
From: Saraland AL
Rep Power: 1126
Originally Posted by NoRiceInside
then why does everyone recommend using 10W-40 for high mileage engines?
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Nov 27, 2008 11:24 AM
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