Why is there a raspy metal on metal like sound when revving engine cold?

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Aug 2, 2009 | 03:30 PM

#16

Tollboothwilley

Former G35driver Vendor

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From: Vegas

Word. I still would be hesistant to rev the car past 3000 rpms until its fully warm. I dont take mine past 2500 unless the car is at full operating temp.

Aug 2, 2009 | 04:26 PM

#17

SlickSilverG

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From: NJ

Quote:

Originally Posted by Tollboothwilley

Word. I still would be hesistant to rev the car past 3000 rpms until its fully warm. I dont take mine past 2500 unless the car is at full operating temp.

Yeah, it's a good rule of thumb. I was just listenin to the engine to check for any noises and what not.

Aug 2, 2009 | 04:38 PM

#18

dofu

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From: Silicon Valley

Quote:

Originally Posted by SlickSilverG

Point is, they're selling a fast car to the masses. Cold start revs better be 'ok' for the engine, or they'd have a ball with warranty.

It's an infiniti, not some 1980 ford.

I'm sure its the heatshields/piping, as stated earlier.

Tell that to all the people with oil consumption issues...