wats the deal with colder plugs for nitrous
#1
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Car: 89 Camaro RS
Engine: 5.0 tbi
Transmission: street-strip 700R4
wats the deal with colder plugs for nitrous
hey guys ive read that when u use nitrous that u have to get colder plugs,is this true?if so were do u get them at? and how will i know which ones to get?
#2
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Car: 88 FORMULA / 88 IROC
Engine: 355 / 355
Transmission: T5 / TH400
Axle/Gears: 10 Bolt-3.73 / 9"-3.90
Depending on the hit colder plugs may be needed. Colder is the temp that the plug retains during the time it is not firing. Numbers are specific to the plug manufacturer but Delco plugs get hotter as the numbers increase. More important than the heat range is if it is projected tip or standard tip. Projected tip plugs have no place in a sprayed motor. Also I am sure you know that platnum plugs should not be considered in your choice as well. So when you are choosing your plugs take all of this into account. But keep in mind that changing heat range or style of plug will affect the way the car runs on spray but it might also adversly affect the driveability of the vehicle while off the bottle.
Josh,
J.S. Performance
215-783-4645
Josh,
J.S. Performance
215-783-4645
#3
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Car: 89 Camaro RS
Engine: 5.0 tbi
Transmission: street-strip 700R4
i will be running a 75 shot sometimes like at the track a 100 shot. so what plug should i get as part number wise?
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Car: 89 Camaro RS
Engine: 5.0 tbi
Transmission: street-strip 700R4
i use ac delco plugs the $1.19 dont know if they are copper never paid attention to that
#7
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Originally posted by black89ws6
Why not projected tips? Are they more detonation-prone?
Why not projected tips? Are they more detonation-prone?
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#8
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The projected tip thing is mostly a rumor… it might be an issue if you’re running 400hp worth of spray, but almost no one is.
Real world, the heat range determines how much heat the tip holds in… a projected tip of the same heat range will not get hotter then a standard tip with the same heat range under most conditions. Projected vs non projected is determined mostly by the chamber design… and in some cases could actually result in less propensity to detonation.
If you want some interesting info (and surprisingly competent answers and interesting recommendations) try calling NGK’s tech support number, they seem to have some of the more knowledgeable bunch of gearheads answering their phones. Another telling thing is that at least NGK and Autolite now offer projected tip race plugs right down to their coolest heat range…
Real world, the heat range determines how much heat the tip holds in… a projected tip of the same heat range will not get hotter then a standard tip with the same heat range under most conditions. Projected vs non projected is determined mostly by the chamber design… and in some cases could actually result in less propensity to detonation.
If you want some interesting info (and surprisingly competent answers and interesting recommendations) try calling NGK’s tech support number, they seem to have some of the more knowledgeable bunch of gearheads answering their phones. Another telling thing is that at least NGK and Autolite now offer projected tip race plugs right down to their coolest heat range…
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