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Intermittent Pinging

McBain

By McBain,
in Engines & Forced Induction

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McBain Rookie

McBain

Posted
Posted (edited)

Hi all.

Just wondering if anyone has come accross this in the past and can offer some advice.

My car was stock standard, and every once and a while (maybe 20% of the time i gave it a flogging) I could clearly hear the engine pinging all through the rev range. I later put a big exhaust and bleed valve to crank up the boost, and had it dyno'd and tuned to hopefully fix pinging. On the dyno it ran fine, but when driving it still pings about 20% of the times i floor it.

Has anyone come accross something like this and can offer some advice as to likely causes? Thanks.

(Skyline R33 GTS-T Series 2)

Edited by McBain
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https://www.sau.com.au/forums/topic/96532-intermittent-pinging/
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BiRDY Enthusiast

BiRDY

Posted
Posted

ur cas would be too advanced, injectors could be slightly blocked, spark plugs arent completing combustion, blah blah blah.. theres quite a few reasons why engines ping..

as above changing the tuner would be a good idea, and make SURE you mention u want the pinging problem fixed.. dont jus take a chance that theyll know its pinging as when they have the car it may not do it for them..

:P

GTS4dood Collaborator

GTS4dood

Posted
Posted
Thanks guys.

I will book it in and see how they go.

What petrol are you using? it could be as simple as that. These engines need to good juice, dont be buying the local sh!t on the corner. u need a 98RON fuel e.g. BP ultimate. i had the same problem when i first bought my car and wasnt using the top stuff, and it only ever pinged when i gave it some revs.

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