A couple of Zex questions
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Shelby GT350 Member
Joined: April 29, 2005
Posts: 2,133
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1) Jets. I'm looking at the Zex website at the jet chart:
http://www.zex.com/Products/JetCharts.asp
And it's showing different jets for the V6 and the V8. Now all of us that have Zex are probably going by the instructions that came with our kit, which is for the GT. Should we be using the smaller jets?
2) Spark plugs. I see that Rygen is using NGK Iridiums. Is that a colder plug than stock? Is that the best plug for us? I've seen plenty of people saying good things about that plug.
TIA for any info. I know I could just call Zex but I thought I'd open it up for discussion. Maybe others could benefit.
http://www.zex.com/Products/JetCharts.asp
And it's showing different jets for the V6 and the V8. Now all of us that have Zex are probably going by the instructions that came with our kit, which is for the GT. Should we be using the smaller jets?
2) Spark plugs. I see that Rygen is using NGK Iridiums. Is that a colder plug than stock? Is that the best plug for us? I've seen plenty of people saying good things about that plug.
TIA for any info. I know I could just call Zex but I thought I'd open it up for discussion. Maybe others could benefit.
Cobra Member
Joined: July 28, 2005
Posts: 1,163
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<div class='quotetop'>QUOTE(BlackLX4.0 @ February 17, 2006, 2:49 PM) Quoted post</div><div class='quotemain'>
1) Jets. I'm looking at the Zex website at the jet chart:
http://www.zex.com/Products/JetCharts.asp
And it's showing different jets for the V6 and the V8. Now all of us that have Zex are probably going by the instructions that came with our kit, which is for the GT. Should we be using the smaller jets?
2) Spark plugs. I see that Rygen is using NGK Iridiums. Is that a colder plug than stock? Is that the best plug for us? I've seen plenty of people saying good things about that plug.
TIA for any info. I know I could just call Zex but I thought I'd open it up for discussion. Maybe others could benefit.
[/b][/quote]
1) I'm acutually using the 100HP Nitrous jet and the 75HP Fuel jet. We found that combination gave us the most consistent A/F with and with out spraying... that way if I leave my Nitrous tune in the car it will still have a good A/F even if the Zex is off... We did this when I switch to the C&L... I'm going to have at least 1 more solid dyno session before the track opens... just to verify the A/F again...
2) Our spark plugs are already a cooler plug... We pulled a couple of plugs to check them... Lidio noticed it was a colder range and commented that it meant no need to change the plugs... the plugs look absolutely fine... he did say we should probably re-gap them when we get a chance... close them down a bit...
1) Jets. I'm looking at the Zex website at the jet chart:
http://www.zex.com/Products/JetCharts.asp
And it's showing different jets for the V6 and the V8. Now all of us that have Zex are probably going by the instructions that came with our kit, which is for the GT. Should we be using the smaller jets?
2) Spark plugs. I see that Rygen is using NGK Iridiums. Is that a colder plug than stock? Is that the best plug for us? I've seen plenty of people saying good things about that plug.
TIA for any info. I know I could just call Zex but I thought I'd open it up for discussion. Maybe others could benefit.
[/b][/quote]
1) I'm acutually using the 100HP Nitrous jet and the 75HP Fuel jet. We found that combination gave us the most consistent A/F with and with out spraying... that way if I leave my Nitrous tune in the car it will still have a good A/F even if the Zex is off... We did this when I switch to the C&L... I'm going to have at least 1 more solid dyno session before the track opens... just to verify the A/F again...
2) Our spark plugs are already a cooler plug... We pulled a couple of plugs to check them... Lidio noticed it was a colder range and commented that it meant no need to change the plugs... the plugs look absolutely fine... he did say we should probably re-gap them when we get a chance... close them down a bit...
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