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AU into EF now its pinging 

 

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 Post subject: AU into EF now its pinging
Posted: Sun Jul 27, 2008 1:12 am 
Parts Gopher
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Location: South West
WA, Australia

Hi,
I have just finished an AU 1 into EF motor swap, and I just took her for a drive, feels very nice, except an awful ping under load. I really want to open it up but the pinging is painfull.
Where do I start?
I used EF top of manifold, all EF sensors except temp and crank angle sensor. Its giving me the s**t cos its not my car anymore and I just want to get it out of my driveway.

It also idles a little high and hangs on the revs.

Thanks,
Jas.

Last edited by magnum012 on Sun Jul 27, 2008 12:51 pm, edited 1 time in total.

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Posted: Sun Jul 27, 2008 2:38 am 
Getting Side Ways
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Ride: Pink Lancer On Spinners

Location: Melbourne
VIC, Australia

Sorry about maybe stating the obvious but how long was the car sitting there ? Fuel maybe stale ?
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Posted: Sun Jul 27, 2008 2:46 am 
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3 months at most, with less than a 1/4, you could be right... Ill try some new fuel tomorrow, just thought maybe someone else has had this problem.
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Posted: Sun Jul 27, 2008 3:16 pm 
Getting Side Ways
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3 months is wayyyy to long for petrol to be in there. Drain it and put some 95 or 98 in there.
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Posted: Sun Jul 27, 2008 4:26 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

what plugs are you using??


if your using ngk bpr5ey= std plug
try switching to a cooler plug. like ngk ZGR6B-11. cooler xr6 plug.

i did this to the au engine in my ea as it was pinging under load and its much better. and with the use of premium and the cooler plug.
it doesnt ping any more..
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Posted: Sun Jul 27, 2008 8:47 pm 
Parts Gopher
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WA, Australia

I took it for another rap today. Pinged a lot less, but still under WOT it pings a bit. Put half a tank of fuel in and its even better but still pings a bit.
I'll try the plugs, I noticed when I had a couple out that they have a HUGE gap and a strange looking center electrode that tapers off to flat topped point kinda looks like this: ]>- _| This end is closest to piston.
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Posted: Sun Jul 27, 2008 9:00 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

they look like iridium plugs(by your discription) should be gapped to 1.1mm
if they are they are about $18 each and they CAN last up 100,000 kms
great plug!. but you still might need a cooler one.
are they ngk ones ??

i just fitted ngk iridium plugs BPR6EIX-11 these are 1 heat range cooler than the std iridium. PBR5EIX-11.

hope this helps
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Posted: Sun Jul 27, 2008 9:13 pm 
Parts Gopher
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WA, Australia

Not sure, Ive just given the car to my workmate to use, just told him to back off if he hears pinging, only seemed to be under WOT below 3000rpm. The gap was WAY bigger than 1.1, so I'll check it out tomorrow at work and see how that goes. The plug looks like this Image which is iridium (just googled them).
Thanks and I'll let you know how we go.
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Posted: Mon Jul 28, 2008 6:47 pm 
Getting Side Ways
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Ride: EL Ghia - XF Ego 302 Clevo

Location: Shit Creek
WA, Australia

my 4x4 work van pings when i put s**t fuel in her, doesnt ping at all if i put in premium :)

 

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 Post subject: Re
Posted: Mon Jul 28, 2008 7:40 pm 
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Ride: EL XR6

Location: Waikerie
SA, Australia

Yeah same as me, my XR8 pings it ring out on normal unleaded under any load, but on BP Ultimate its no probs

 

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Posted: Tue Jul 29, 2008 12:51 am 
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Location: South West
WA, Australia

Checked the plugs they are iridium and are f**k.
Gap was about 2mm so closed them up to 1.1mm and put them back for now. (No $$$)
Pinging has almost gone away so new colder plugs are in order, and also a handmade Idle Speed Control gasket with a smaller hole so it doesn't idle so high. I must say when it hammers along, and talk about REV!

I should do a pictorial Haha.

Thanks to everyone who has helped along the way, its been my first engine remove and replace and a handy learning experience for when the XW gets an injected 347 stroker :lol: :lol:
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