Pinging
Thread Starter
Pro
Joined: Jan 2005
Posts: 697
Likes: 93
From: Somewhere in the OC, CA
Pinging
Has anyone experienced pinging noises? I'm hearing obvious pinging (pre-det) in 3rd, 4th, 5th, 6th and 7th \when accelerating fairly hard from around from around 2,500 RPMs.
I always use 91 octane (highest in CA) / top tier gas.
Completely stock, except for an Airraid filter. Could the extra airflow be messing up the A/F ratio?
Also I had major oil in the airbox recently due to the dealer over filling the oil (Z51 dry sump).
Thanks for any ideas.
I always use 91 octane (highest in CA) / top tier gas.
Completely stock, except for an Airraid filter. Could the extra airflow be messing up the A/F ratio?
Also I had major oil in the airbox recently due to the dealer over filling the oil (Z51 dry sump).
Thanks for any ideas.
Drifting
Joined: Jun 2013
Posts: 1,764
Likes: 10
From: Cumming GA
On order: Torch Red Z51
Are you comfortable that they cleaned out the oil (all the way through) as if it never happened? Could be the cause if you're burning 91 octane.
Has anyone experienced pinging noises? I'm hearing obvious pinging (pre-det) in 3rd, 4th, 5th, 6th and 7th \when accelerating fairly hard from around from around 2,500 RPMs.
I always use 91 octane (highest in CA) / top tier gas.
Completely stock, except for an Airraid filter. Could the extra airflow be messing up the A/F ratio?
Also I had major oil in the airbox recently due to the dealer over filling the oil (Z51 dry sump).
Thanks for any ideas.
I always use 91 octane (highest in CA) / top tier gas.
Completely stock, except for an Airraid filter. Could the extra airflow be messing up the A/F ratio?
Also I had major oil in the airbox recently due to the dealer over filling the oil (Z51 dry sump).
Thanks for any ideas.
Pro
Joined: Jun 2014
Posts: 722
Likes: 274
From: Colorado Springs, CO
Knock Sensor
It sounds like a trip to the dealer is needed. A defective knock sensor could be causing the problem or a computer fault if it is truly pinging
Team Owner
Joined: Mar 2012
Posts: 49,292
Likes: 3,916
From: Best Island in the U.S.
St. Jude Donor '12 thru '17
Are you sure it's really pinging from detonation? I wouldn't expect that with 91 octane gas in CA unless you're at high altitude or you're always lugging the engine.
Thread Starter
Pro
Joined: Jan 2005
Posts: 697
Likes: 93
From: Somewhere in the OC, CA
Never had the same issue with my LS3 though in similar circumstances.
I'll get it checked out a the dealer anyway to to rule out the knock sensor.
Thanks for the replies all.
Thread Starter
Pro
Joined: Jan 2005
Posts: 697
Likes: 93
From: Somewhere in the OC, CA
Team Owner
Joined: Mar 2012
Posts: 49,292
Likes: 3,916
From: Best Island in the U.S.
St. Jude Donor '12 thru '17
I think if the stock C7 timing map was "dangerous" we'd have heard about problems by now with over 30,000 on the road. I think that tuner was overstating things just a tad.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Drifting
Joined: Jul 2007
Posts: 1,454
Likes: 4
From: Massapequa NY
Le Mans Master
Joined: Feb 2014
Posts: 9,453
Likes: 2,638
From: Gilbert Arizona
Both C6 and C7
My C6 pinged like crazy, even using top tier 91 octane gas. I used a bottle of Lucas Octane Boost every 3rd tank and it fixed the problem. My Non Z51 A6 C7 is bone stock, no after market air filter, and I'm starting to hear a slight pinging on the highway when it's in 5th and 6th gear. I may add some octane boost, despite the fact that some forum members say it's not effective.
Drifting
Joined: Jan 2005
Posts: 1,942
Likes: 1,328
From: Houston Tx
My C6 pinged like crazy, even using top tier 91 octane gas. I used a bottle of Lucas Octane Boost every 3rd tank and it fixed the problem. My Non Z51 A6 C7 is bone stock, no after market air filter, and I'm starting to hear a slight pinging on the highway when it's in 5th and 6th gear. I may add some octane boost, despite the fact that some forum members say it's not effective.
