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Discussion Starter #1
Looks like my OEM coils are starting to go, Car is breaking up on top,boost pressure drops and AFR goes rich then leans out with accompanying back firing. Car idles fine and runs fine through the mid range. What would be a good replacement option? Car is currently making 386 WHP/365 WTQ on a 2nd gen gtx2867. Is the ACCELL coil any good? Has anyone retrofitted a different coil to the Duratec?
 

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385 Posts
Discussion Starter #2
Just in case it helps anyone, I got to talk with Vic from FSWERKS and he was dead on. Boost leak. I just never had one act like this before. it was partially blown and would hold fine through the mid but would open up coming over 15 psi, wide open as in 2-3 pounds. strange thing is that it was repeatable and never blew completely off. Weird. Roughness was just from dumping fuel up top but ran fine until you started coming into the top end. Stock coils are good to 500 hp per Vic.
 
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