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[Z06] Slight burning smell on hard acceleration?

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Old Oct 2, 2014 | 10:29 PM
  #1  
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mkiv808
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Default Slight burning smell on hard acceleration?

Getting a slight burning smell on hard acceleration to near-redline.

It almost smells like burning plastic to me. Not the usual clutch/brake smell.

Car has 7000 miles. Headers, intake, tune.

Any ideas what it may be?
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Old Oct 3, 2014 | 12:58 AM
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Check the wiring around the headers make sure nothing is coming in contact with the headers. I would think you would notice that more than just during hard acceleration but it can't hurt to rule the simple things out first.
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Old Oct 3, 2014 | 03:21 PM
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Could be oil. Take a look inside the throttle-body, and see if there is oil in the intake. If so, that's what you smell burning.
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Old Oct 4, 2014 | 12:33 AM
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Are the headers newly installed? Reason I ask is because of heat wear in which gives off a smell the first few drives. Otherwise you may be getting some "blow by" into the intake, Common on the LSX series motors. Just toss a catch can in and call it a day
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Old Oct 19, 2014 | 01:57 PM
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Seems to have gone away after a track day. Might've been coating on the headers. They only had 5k miles on them.
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Old Oct 19, 2014 | 08:21 PM
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look around the header area. 5k miles is a lot, usually the burn goes away in a tank of gas

see if anything looks melted around there

btw do you have aftermarket cats? if the car is tuned rich it could be the cats melting
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