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Is it really pinging or is it knocking? If knocking then have them retune and don't get on the throttle till that's done.

In my case since they put winter additives in the fuel starting around October that changed the timing on my car, it started knocking a little then pow.

If pinging not knocking have them recheck anyway and/or retune might be something substantial. I never had any pinging.

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plug in your programmer and go through the steps, when you get to OCt Adjust press Y for yes. This is what Whipple says to do, it adjusts octaine to 91.

 

Super easy. Hopefully you have the manual....you will need it.

 

 

If this does not solve it you have another issue.

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A tune pulls timing to prevent pinging/knocking.

 

I'd recommend what SC0471 said. Drop back to 91 octane tune which will limit max advance of the timing and should solve the problem.

 

If that doesn't do it there's another issue which could be anything from a sticky injector to a post-MAF air leak permitting unmetered air to drive the mix lean.

 

-Dan

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thanks i will plug in the tune tonight and mix in some 100 octane to the 91 and see if it helps.

 

 

Tyler, I'd suggest just the 91 octane change and see if that does it. If so, you're good. If not could be naother problem that also adding 100 octane at the same time it could mask.

 

If 91tune solves the problem you can always go back to the 93 tune and add some 100octane if readily available. That way you'll know there was no other problem. Just a thought.

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Try it with the windows down I know it sounds stupid, but my intake tract makes such an incredible sucking noise of air, it has a unique sound that i thought might be a ping but its not on my car

 

You may have gotten a load of bad gas....

 

I have dynoed mine with the octaine adjust and without...virtually no change in HP.

 

As in WA state we only get 92 I thought it prudent to stick with the octaine adjust even though when I called Whipple they said that the company mustang with the 550 is set for 93 and has no issues with the adjust either way on CA gas.

 

Mine did get a box of rocks noise one time and one time only coming over Snoqualmie Pass in WA State at a high very steep elevation and grade with me keeping the rpms in a high load setting...scared the crap out of me, it was very apparent, so I did the adjust and no issues...no biggie. I live at Sealevel but I kept the adjust on or Y from the procal tuner option.

 

This is the big confusing part as the procal option instructions say Y for adjust but don't really specifically tell you what that is, I had to call Ford Racing to get that cleared up...and they were very helpful...

 

Then I was thinking I heard a light pinging as I was then thinking everthing was going to be a ping, but thats just the air rushing through the intake tract on my car...sounds killer.

 

All engines are unique some may need the Y some may not...My car runs very hard and I am sticking with the Y.

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ya I installed new plugs on it, It does make a box of rocks noise but i cant imagine it being air but i did notice it felt the same and i was able to get it all the way to redline so i guess ill leave it on the y and make sure i put good gas in it, it has been doing it since the install and the dealer said its normal in phoenix with high da and 91 oxygenated fuel.

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ya I installed new plugs on it, It does make a box of rocks noise but i cant imagine it being air but i did notice it felt the same and i was able to get it all the way to redline so i guess ill leave it on the y and make sure i put good gas in it, it has been doing it since the install and the dealer said its normal in phoenix with high da and 91 oxygenated fuel.

 

 

This is not normal. The dealer is lying or incompetant, imo. This can seriously damage your engine. Hopefully the dealer (possibly with Whipple's help) can diagnose and fix the problem, but this is not normal or ok for your engine, imo.

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ya I installed new plugs on it, It does make a box of rocks noise but i cant imagine it being air but i did notice it felt the same and i was able to get it all the way to redline so i guess ill leave it on the y and make sure i put good gas in it, it has been doing it since the install and the dealer said its normal in phoenix with high da and 91 oxygenated fuel.

 

 

 

I have a collection of detonated pistons and one with a valve jammed straight in the crown...

 

If you are getting the box of rocks sound do not let it do that and get it in to someone who knows the cars and get a second opinion, your dealer is full of it FRPP designed the tune to function in hot or cold extremes and tested it with OEM tests...huge reason why I went with Whipple....

 

Internet diagnosis...some thing is wrong with your set-up. Detonation and pre-ignition will completley destroy pistons and rods and make it major rebuild time...be careful.

 

A question I have is that the 4.6 has knock sensors on it so how does the car still knock? I am at a loss about that....

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