Thread: Oil in Cyl #1 valve cover cavity
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Old 07-15-2009, 01:18 AM
Chas H Chas H is offline
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Location: beautiful Bucks Co, PA
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Quote:
Originally Posted by babymog View Post
RTV/silicone is death to catalytic conveters, avoid using it even in oil-contact.
There are some compounds of RTV that are not harmful to cats or O2 sensors. At least that's what it says on the tube.
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