eng oil

rsjay · Oct 5, 2010

for a 4.6 semi or fully synthetic?

Hamster97 · Oct 5, 2010

Semi. Been told on here previously that fully synthetic is bad for the V8's.

v8hotrodboy · Oct 5, 2010

I use magnatec 10/40, semi. Mine is lpg so thought this would help. Seems ok, quieter on start up and runs smooth.

jorjio_k · Oct 5, 2010

i use 20/50 mineral excellent in hot weathers.and smooth also

gstman · Oct 5, 2010

20/50 semi over here.No issues so far.

jorjio_k · Oct 5, 2010

gstman said:
20/50 semi over here.No issues so far.

i thought 20/50 comes only as mineral not semi !!! i use I.G.A.T oil,it is a german oil.