need a new catalytic converter

814 Views 1 Reply 2 Participants Last post by Ken4, Nov 29, 2005

phat91camryLE

Discussion Starter · Nov 28, 2005

Apparently I didn't pass smog due to bad emmissions. The guy overlooked my aftermarket header, but stated that my cat was too weak to pass....Anyone have any suggestions on a cat that would help me out in my situation. I need a quality one that will last and not burn out in 2 years.

Thanks

Matt

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Ken4

· #2 · Nov 29, 2005

Could be your cam is consuming oil and some additives in oil (phosphorous in zddp) are harmful to cats. Just buy a cheapest high flow cat you can find, since its not going to last anyway. Also use the newer SM rated oils which are lower in zddp content. You might want to use something thicker too like 10w40 or 15w50 to help stop oil getting past the rings or valve stems.

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