instead of gutting pre cats...

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06-22-2009, 02:23 PM

#41

Grand_hustle17

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tryna keep this alive hoping that someone who go beyond just gutting the cats

06-22-2009, 09:48 PM

#42

Andypot1985

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Quote:

Originally Posted by Blitzfist

now im kinda scared. my pre-cat has been making a rattling sound when you rev the engine for at least 15,000 miles. I never knew there was potential engine damage from this. can anyone verify that a bad precat will destroy a VQ35? if this is the case I guess its time for me to change/gut it.

Not to get off subject, but what is this rattle you are talking about? Mine rattles whenever i let off the gas. You can't hear it at high speeds (i think just too much wind noise going on) but when im slowing in gear it rattles. Also reving up the motor with or without the clutch in, it rattles as the revs are dropping. I have a completely stock exhaust.

06-23-2009, 09:34 PM

#43

hotstartup

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i raised my car up the other day, looks like a biatch to get the pre cat off. lol

06-24-2009, 03:31 PM

#44

joeltender

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Location: Bradford Ontario, Canada

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Quote:

Originally Posted by Andypot1985

Sounds like your precats. Do a search and prepare to do some work or drop some coin. Start checking your oil level regularly, hopefully they haven't done any damage