Thread: How to convince my dad syntetic oil is better then conventional
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Old 06-20-2011, 04:15 PM   #16
bill2129
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Drives: 2085 Trans AM COBRA
Join Date: Jan 2011
Location: Chester County PA
Posts: 676
My car has 145k. would it be bad to switch to mobil 1? I hear it can cause leaks on a high mile car. mines had reg castrol all its life
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