User14186

I just have a catback dual exaust and a cia for right now.Trust me it can be used for stock to fairly modded trucks.I have talked to the rep at the company for about half an hour and we went thru step by step on which to use for my truck.This was a couple of months ago when i ordered them and installed them and from my truck feel,i have gained some power off the line and in the long run.Now this is in my truck view.Will post the part number in my next thread

User14186

Here ya go brother,and yes it does say mustang but can be used in the 3valve 5.4 tritons.These are the same ones i have in mine.Now yes it says modified but can be used in stock also.If you have any questions call the rep from the company and he will be glad to help ya out.Great guy to talk with and get more knowledge about the plugs.Hard southern accent but you should be good to understand.I understood just fine but then again i grew up in the south,lol

BRISK Silver Racing 3VR14S Spark Plug
PLUGS - SILVER RACING
Colder than the 3VR17YS, the 3VR14S is for modified applications.

2005-2007 Ford 3 Valve engine Applications
Brisk 3VR14S Silver Racing spark plugs are colder than stock plugs and recommended for modified, supercharged, turbocharged, and/or nitrous applications. Put these Silver Spark plugs in today and begin to get the most out of your performance Mustang!

jboley

i put ngk platinums in and have had no problems what so ever. i think they were about 25 to 30 bucks beats what ford wants for them!!!

akakeester

Awesome! Ill look them up and see how they look on price. Thanks for the quick reply.

User14186

No problem.For me it was $171.00 total mailed.Yes i know alittle steep on price but their well worth it in the short and long term.Theirs only one other plug for out trucks that better.Thats the denzo plugs,but at 25bucks a pop ya brisk works just fine for me.My buddy has the denzo plugs in 05 scab and ya theirs alittle more power than my brisk but hey for 25bucks and famous name like denzo(their plugs are world famous,put it that way) you better get the most power from them

Mod (Ret.)

After reading at least 3 posts a month on spark plugs for the 5.4, it makes me glad I opted for the 4.2 V6!

What I lack in power, I gain in MPG and money in my wallet.

akakeester

Alright, latest update. Considered all options, and basically put the gun back to my head and went ahead and ordered the OEM Motorcraft PZT14F / SP507 plugs from Rockauto. Total cost for 8 was $68 with shipping included. Saved $80 by not buying these from the dealer. When it comes down to it, I was too cheap to go with the Brisk but not confident enough to run the Champions. Hopefully if I have enough luck to pull the old plugs without breaking them off, the replacements wont end up doing the same further down the road.

Now, anyone have a Rotunda or Lisle tool they want to rent out

DPET5

I installed champion one piece double platnium long life plugs and love them. They are about the same price as the ford ones but are one piece construction.My truck runs smoother and and i just returned from a trip towing a 8000 lb trailer over mountain passes |(4100 ft)
and my engine never missed a beat, with no overheating or dettination.I think these Champion plugs are worth a try.SP 507 plugs are still two piece construction and the same problem will exist next time you change plugs down the road.At least the champion plugs can be removed o.k.

XPerties

I'm leaning towards the Champion plugs. Do you have a model number?

akakeester

I think those Champion plugs are 7989 part number. Based on DPET's comments Im now second guessing myself. Oh well, need to worry about getting the originals out first I guess.