Ignition Coils

Moviecritic2

New Member
Aug 7, 2015
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I have an 06 GT and previous owner installed higher injectors and cold air intake and not sure what else,anyway my OEM coils have started to fail so I thought I would buy all new ones and I got a good deal on some granatelli 45,000 volt coils. My question is will I have to change anything else ignition wise or will these work OK. I am by no means a mechanic although I can work on most things. If these won't work I will return them and buy a lower voltage. I was told by some they would and others they won't work so asking here for advice.
 
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The car odometer has around 170-180,000 but the gears were changed before I got it and the speedo was off (@interstate speeds around 20mph) so if I had to guess the coils have around 140,000+ on them. I had already replaced #1 coil and plug and it was fine for a while but it went back to acting up. It is all good now tho.