rough running 5.4

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05-21-2012

racewerx

Junior Member

Thread Starter

Join Date: May 2012

Posts: 1

rough running 5.4

I have a rough running 2006 F150 5.4. It misses a bucks when you go into passing gear. I am going to replace the coil packs and plugs. I was thinking of Granatelli coil packs. Anyone ever used them? any words of advice?

05-21-2012

Purplehazeir

Senior Member

Join Date: Jan 2011

Location: Arlington, WA

Posts: 1,433

Not a fan of aftermarket coils that claim increased HP, performance, etc. I've used aftermarkets before and have been disappointed in what they deliver based on the cost. IMO - stick with stock ones!

05-28-2012

KLC

On the Edge!

Join Date: Jan 2011

Location: New Mexico

Posts: 1,375

Quote:

Originally Posted by Purplehazeir

Not a fan of aftermarket coils that claim increased HP, performance, etc. I've used aftermarkets before and have been disappointed in what they deliver based on the cost. IMO - stick with stock ones!

Agreed, I have never had good luck with them.