pinging??

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Aug 9, 2005 | 08:54 AM

jman1

Thread Starter

Le Mans Master

Joined: Jul 2003

Posts: 7,501

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From: Maine

pinging??

i noticed that my engine is starting to ping/rattle...i hear it when i step on the gas and usually its worse right before i shift.... ????? is this the warning sign of bad things coming or bad gas??

Aug 9, 2005 | 09:34 AM

JR_VETTE

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Joined: Apr 2001

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From: Saint Augustine, FL

Mid-TN Events Coordinator

St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16

There was just a topic over in OT where someone encountered the same problem. He ran into this twice after getting gas from the same gas station. He called the state, they ran a gas analysis only to find they had been using 87 octane in the 93 octane tanks and charging the customer for it!

I would burn off as much as you can, and refill with premium from a different station.

Aug 9, 2005 | 11:43 AM

DRR

Burning Brakes

Joined: Aug 2004

Posts: 770

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Pinging

I get some pinging, but only when the temp outside is over 100 and I put my foot in it. See if it happens in the morning when its cool. If it does not ping when cool and does when hot, it is heat related.

Aug 9, 2005 | 05:50 PM

vetteamerica

Racer

Joined: Dec 2004

Posts: 355

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From: Bergen County NJ

I ran my car at E-town last Saturday, the first four runs were 13.0, I couldn't break into the 12's, thought I heard some pinging while making those runs. I put in one gallon of the 116 octane gas and ran three 12.91 second runs in a row with no pinging.

I believe the fuel has everything to do with it and is most likely your problem.

Last edited by vetteamerica; Aug 11, 2005 at 08:29 AM.

Aug 10, 2005 | 09:11 AM

davey1

Advanced

Joined: Feb 2005

Posts: 69

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may have a bad knock sensor???

Aug 10, 2005 | 04:55 PM

Dirty Howie

Team Owner

Joined: May 2004

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From: SoCal

Quote:

Originally Posted by vetteamerica

I ran my car at E-town last Saturday, the first four runs were 13.0, I couldn't break into the 12's, thought I heard some pinging while making those runs. I put in one gallon of the 116 octane gas and ran three 12.1 second runs in a row with no pinging.

I believe the fuel has everything to do with it and is most likely your problem.

You went from a 13.0 to 12.1 by adding ONE gallon of racing feul...