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2004 Pontiac Grand Prix GTP



turbo96 said:
Well I got both now!☺

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turbo96 said:
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I canceled that order as I tried to look them up on the Internet & couldn't find tr6xi sparkplugs. You didn't mean tr6ix did you?
Give me an internet link of them please. What do you get for Hwy mpg with them?

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turbo96 said:
I canceled that order as I tried to look them up on the Internet & couldn't find tr6xi sparkplugs. You didn't mean tr6ix did you?
Give me an internet link of them please. What do you get for Hwy mpg with them?

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Whew!
"Hello,

Thank you for your message! We have researched your vehicle information directly with NGK and determined the following:

2004 PONTIAC GRAND PRIX GTP 3.8 V6 4 FI Supercharged-> the following plugs are compatible with your vehicle:


V-Power TR55 3951

G-Power TR55GP 3403

Laser Platinum PTR4B-15 * 5146

OE Laser Iridium ITR4A15 ^ # 5599

Iridium IX TR55IX

TR6IX are not applicable with your vehicle?"

Now I have the correct ones coming:
Iridium IX TR55IX

All of this for better mpg with
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If you use the high performance air filter, you will like it, it did help mine in mileage and performance. The sound is noticeable and it worked good. I just made a cover for the computer and protected it from the environments and kept it clean.
 
Trump said:
If you use the high performance air filter, you will like it, it did help mine in mileage and performance. The sound is noticeable and it worked good. I just made a cover for the computer and protected it from the environments and kept it clean.
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:D TYVM! Now for the rain to leave as my garage isn't built YET.:mad:
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So it will look good,
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sound good, & get better gas mileage. :D. I LOVE THIS CAR! 😍😜


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Trump said:
No need on the 91 octane , you can run regular 87 Octane if you want to just drive the car, and not race it. If you look at the manual for the 2004 GTP you will find that is states that you can run regular fuel in it. I owned a 2004 Grand Prix GTP and ran regular fuel in it and it ran fine. If you want performance then yeah run the higher octane. The Series III engine is very nice, I had no issues with it and the gas mileage was very good if you just wanted to drive it like a normal Car. The aftermarket air filter is very good for the engine to breath better, it helped mine a lot. I sold my car as Wife wanted a newer one so mine went down the road.
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if you want your engine knocking alllll the time giver, but dont recommend that.
 
You need a computer man, this whole tapa talk linking crap is pretty annoying.

Just because the manual says you could run 87, doesnt mean you should. And who wants to drive a car that has some power and habe to baby it around all the time because you put 87 octane in it. People that say it's okay to run 87 have no idea how the tuning world works or how dangerous it really is to run a fuel that can't help the motor hanlde boosted applications. And if you are too cheap to spend the extra 5 bucks per fill up, buy a honda.
 
Please don't comment on my posts any further Fivefingerdeathpunch!

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lols. run your 87 octane and knock like crazy if you wish, these motors knock on 91-93 octane so its gonna knock even more on 87 lol.

why would you buy a performance intake then run the motor on 87 octane?
 
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