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Old 06-07-2001, 03:54 PM   #4
Scooby Specialist
Member#: 3198
Join Date: Dec 2000
Location: Portland, OR USA
2005 GT LTD Wagon
Garnet Red


If you have properly maintained your engine, you will never see leaks from switching to synthetic.

You will sometimes see leaks in an older engine because existing leaks are filled with coke from the dino oil. The higher detergent properties of synth gets rid of the deposits and opens up the existing leak.

If you've properly maintained your engine, you don't have coke deposits.
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