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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 05-30-2007, 01:50 AM   #1
that180guy
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Quote:
Originally Posted by n1sm0r View Post
Yes, get a timing light. Don't guestimate that shit. I'd start at 14 degrees, drive it and see if it knocks (on your safc2). Run premium. Done.

Johngriff is right, don't forget sparkplugs. Just go to an autoparts store and ask for NGK plugs that's one step colder. I'm pretty sure its the 7's.
fail ben.
honestly, not that many local auto parts guys knows theyre chits.
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Old 05-30-2007, 11:21 AM   #2
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Originally Posted by that180guy View Post
fail ben.
honestly, not that many local auto parts guys knows theyre chits.
The Kragen in Concord is pretty knowledgable.. they've help me with a lot of chit. But yeah, I agree somewhat that most the people who work there don't know shit.

where the hell have you been alex
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Old 05-30-2007, 11:29 AM   #3
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Run the largest possible plug gap you can without misfiring.

This will garner the best HP and toruqe as well as power band, throttle response and most importantly gas milage.

Strength of spark is important when it comes to this.

.030 is a good spark plug gap for 15-20 PSI depending on ocatne.

But ive run .030 into 22+ psi ranges. Its all in the tune and supporting mods.

anyways don't mean to confuse you, but there is no one size fits all when it comes to tuning and plugs/gap.

7 range is plenty btw, 8 is overkill.
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Old 05-30-2007, 09:47 PM   #4
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Quote:
Originally Posted by steve shadows View Post
Run the largest possible plug gap you can without misfiring.

This will garner the best HP and toruqe as well as power band, throttle response and most importantly gas milage.

Strength of spark is important when it comes to this.

.030 is a good spark plug gap for 15-20 PSI depending on ocatne.

But ive run .030 into 22+ psi ranges. Its all in the tune and supporting mods.

anyways don't mean to confuse you, but there is no one size fits all when it comes to tuning and plugs/gap.

7 range is plenty btw, 8 is overkill.
What will happen if the plugs are not gapped properly? I think mine are at .30 right now.
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Old 05-30-2007, 09:50 PM   #5
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Also, another small question, anyone know what's the best place to run lines for gauges throught the firewall on an s14? I want to install a boost guage and a oil pressure gauge. And any good wrietups on oil pressure gauge installation?
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Old 05-30-2007, 10:01 PM   #6
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pretty simple...if you look in the engine bay youll see rubber grommets in the fire wall....theres some on the passanger side, my guages were run behind the dash and through the grommets, usually if you pull of your glove box and have a friend shine a light through the grommet you can find the hole pretty easy but you may have to cut away some of the material to make the hoses and wires fit through


also be sure to cover the area that will be in contact with the firewall with something so that theres no chance of the metal rubbing through
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Old 05-30-2007, 10:26 PM   #7
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Originally Posted by eastcoastS14 View Post
pretty simple...if you look in the engine bay youll see rubber grommets in the fire wall....theres some on the passanger side, my guages were run behind the dash and through the grommets, usually if you pull of your glove box and have a friend shine a light through the grommet you can find the hole pretty easy but you may have to cut away some of the material to make the hoses and wires fit through


also be sure to cover the area that will be in contact with the firewall with something so that theres no chance of the metal rubbing through
Ok, so there is no easy access through the firewall on the driver side? So you had to take your dash apart to do your gauges?
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