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plugs?

2000GTP

2000GTP

New member
im changin my plugs soon, and ive already established that i want 104's... but now i am torn between the regular auotlite 104's, and the autolite XP 104's?
which do you think is better?
 


its already established that straight copper plugs are what our engines like best, but they dont last long. so the iridium is supposed to find a "middle" and still get most of the advantages of copper yet more longetivity.

someone correct me if im wrong.
 
Get copper plugs. Get 605's. Run a gap of 45. Just tighten the plugs down. If you would actually torqu the plugs you would probably need a torque wrench that has inch pounds instead of FT. pounds.
 


You wan't the hottest spark you can get without causing any KR.
 
I've never ran a .55 gap...not even now. To be honest i'm not sure what is oem specs but i don't belive it is .55. I could be wrong though... One time I was....just once though....lol
 


i plan on going down to a 3.4" or 3.5" pulley after a couple more mods... should i still go for the 605's or the 104's?
 
wELL IF YOUR NOT GOING TO GO TO A 3.4 OR 3.5 WITHIN 8000 MILES THEN JUST GO WITH THE 605'S TILL THEN. But yeah once drop to oneof those thats the plug you'll need.
 
yea... i plan on going down to a 3.4 hopefully within 8000 miles... all i really need is the powerlog, the 180 tstat n the plugs n i think i should be good enought for at least the 3.5", maybe even the 3.4 then im gonna scan her up
 
TDCRacing said:
I've never ran a .55 gap...not even now. To be honest i'm not sure what is oem specs but i don't belive it is .55. I could be wrong though... One time I was....just once though....lol
Click to expand...

OEM is .060 I believe. 0.55 would be half an inch. :p :th_winking:
 


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