<VV> oil filters and stuff

[N6nev at aol.com]

Some oil filters are "full flow" and others are "by pass".  I have had  65 
and later ford and Mopar towed into the shop with no oil pressure. The shop  test
 was to loosen the oil filter, a half turn and start the engine, If oil  then 
came out, it was just a cloged oil filter.  G M was different as they  used a 
by pass filter system, If the filter became restricted, the oil would  then 
by pass the filter and no loss of oil pressure, moral of this story is use  sys 
oil and change every 6 mo or 6000 miles whichever comes first, assuming you  
drive you car daily....And I have has Mercedes towed into the shop with no oil 
 pressure, only to find out the sub pan had a wee crack and the oil leaked 
out  very slowly.. MB uses a gauge and no "red warning lite". Its best to have  
both...The diesel engine was over   7K to replace and that was years  ago..... 
 

Larry
retired auto shop owner
61  monza




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