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sparkplugs

Royalblue

Royalblue

New member
I have a 01 gtp with a 3.4 pully, ubend delete, air intake, 605 al plugs. Do I need colder 104 al? It's running fine now.
 


If it is running fine then you answered your own question. One question I have for you is how much KR are you getting?
 
If you have to ask, you dont know what it is.

Let me put it this way.

Its bad.

Very Bad.

Take the 3.4 off the car before it pops a piston.

You dont have enough flow mods to run it.
 
I know what KR is. The pully has been on for two years. I wanted to know if I need a colder plug. Intense Racing said 605 is fine. ZZ Performance said I need 104 al.
 
What you need is the bigger pulley mod.

because one day your roll into and boost and pop goes the piston and you need a new motor.

i'm suprised its lasted this long.

ZZP has no idea what they are talking about when it comes to what plugs/pulley you should be running on a near stock car.

Stick with the 605.

Also I bet your KR is around the 7-10* range at WOT, where as a stock GTP has around 5-6*, so that pulley is making it worse with no exhaust mods like headers, plog/downpipe.
 


The purpose of colder plugs is to reduce knock. The fact you can't check for knock and are still asking if you need colder plugs is contradictory. It's something you should be able to answer yourself.
 
The purpose of colder plugs is that back in 1998 when these cars came out, they couldn't tune the computers. So people bought colder plugs to try and combat knock. It really doesn't do a whole lot and you really shouldn't even be considering an AL 104 until you're making a solid 100hp over stock.
 
Fivefingerdeathpunch said:
What you need is the bigger pulley mod.

because one day your roll into and boost and pop goes the piston and you need a new motor.

i'm suprised its lasted this long.

ZZP has no idea what they are talking about when it comes to what plugs/pulley you should be running on a near stock car.

Stick with the 605.

Also I bet your KR is around the 7-10* range at WOT, where as a stock GTP has around 5-6*, so that pulley is making it worse with no exhaust mods like headers, plog/downpipe.
Click to expand...

stock GTP's came with 5-6* how do the engines not blow up that easily then?
 
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