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New Spark Plug sugggestions



Not too much more, Its got a 3.4 pulley, cam, pcm, intake, headers, exhaust. Possibly a smaller pulley and injectors.
 
May as well ask while im here. I was thinking 103's with my setup and im under the understang that you want as hot of a spark as you can get before knock occurs from that hot spark. Kinda like timing-The most you can get without kr. No KR with me. so should i just go with some new 104's? Mine need to be replaced so thats why I ask
 


My first post here...I just installed some e3.62's and new delco wires this weekend as well as a KnN panel filter. I instantly got better throttle response and what I believe to be more hp's. Still on my first tank of gas since the switch so we'll see how they do with mpg's.
Plugs 2, 4, and 6 were a PIA to pull btw! be prepared to spend some time on these 3!
 
Nah it's not that bad as long as i take the upper engine mounts off and pull the engine foward with a strap



Welcome btw
 
Alright, so i just went out and purchased some 104's, but when i pulled one of them i realized im already running 103's. I only run about 12psi od boost and it runs a 14.2 1/4. do you think i should swap for the 104's?
 
RichCresci said:
Alright, so i just went out and purchased some 104's, but when i pulled one of them i realized im already running 103's. I only run about 12psi od boost and it runs a 14.2 1/4. do you think i should swap for the 104's?
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Yeah, put the 104's in. Your old 103's are probably do for a change anyways.


... and whats telling you that your getting 12psi.?
 
my boost gauge, in winter holds about 12 and spikes aout 15, in summer hols aout 8 and spikes 12. I know theres atleast 10,000 miles on the 103's.
 


i think his boost gauge might be off tho, with a 3.4 isent that about 10 psi, and a cam usally bleeds off some boost. but if he really is boosting that, holly crap wait till he gets a smaller pulley, 20++
 
! PSI per 0.1 pulley drop is average. So 12 sounds right since he was starting from 8 psi wich is stock......You know becuase 8+4=12 for the special people like blowfish ....LOL but im a pansy so what do i know LOL
 


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