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pinging problem 

 

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 Post subject: pinging problem
Posted: Sun Sep 21, 2014 10:40 pm 
Getting Side Ways
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Age: 32

Posts: 552

Joined: 3rd Oct 2006

Ride: EL XR-6

Location: Brisbane
QLD, Australia

hey guys awhile now my car has some pinging problem on unleaded haven't really notice it on 98 but definitely on 91 it started when I put in an series 2 au bottom end with my el tickford gear I did have the timing a little bit advance so the cam would come on earlier but it would start pinging around 2500rpm through to 3500/4000rpm. so I have play around with the timing and now it is sitting around 1 or 2 degrees retarted its getting little better but still pings. just wondering if anyone else have had this problem? and also can the knock sensor play a part in this issue?
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 Post subject: Re: pinging problem
Posted: Mon Sep 22, 2014 10:26 am 
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Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

the knock sensor should retard ignition timing somewhat but not always enough, that's if its working?
things to consider, whats the compression?
you may just have to run premium due to mix and match parts giving you higher comp?.
or retard the base ignition timing to prevent the pinging..
also what plugs are you running, a colder heat range plug can help with removing heat from combustion chamber and reduce chance of pinging...
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 Post subject: Re: pinging problem
Posted: Mon Sep 22, 2014 5:12 pm 
Getting Side Ways
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Age: 32

Posts: 552

Joined: 3rd Oct 2006

Ride: EL XR-6

Location: Brisbane
QLD, Australia

hey troyman im just using the normal EL XR6 ones I think there ZGR6B-11
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