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spark plug gap for step 1 colder plugs

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Old Oct 12, 2013 | 02:28 PM
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Default spark plug gap for step 1 colder plugs

im currently on dezod turbo kit running 10 psi,stock internals,550 injectors,full exhaust,my currently spark plugs or ngk step 1 currently gapped at .32....im wondering if i have to close the gap to .29-.30 since im planning on going to 12 psi...
Old Oct 12, 2013 | 08:55 PM
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mine gapped to 0.028 boosting 10-11psi.
Old Oct 12, 2013 | 11:10 PM
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Originally Posted by Drey
mine gapped to 0.028 boosting 10-11psi.

did you feel a difference in throttle response when it was gapped that low...im thinking of doing .30 and see what happens
Old Oct 13, 2013 | 09:03 AM
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I had those plugs installed right before tune so I cant tell you if it would make a difference. They come gapped to .044 i believe so you will need to close them up anyways. Just get them to 0.030 or lower, +- 0.001 not a big deal)
Old Oct 13, 2013 | 08:03 PM
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Originally Posted by Drey
I had those plugs installed right before tune so I cant tell you if it would make a difference. They come gapped to .044 i believe so you will need to close them up anyways. Just get them to 0.030 or lower, +- 0.001 not a big deal)

i did a .29 see what happens,if i need lower ill do it ......everything seems alot smooth including idle...getting a retune anyway so if anything out of wack,ill be fixed....car seems alot more response,pulls harder,
Old Oct 14, 2013 | 12:52 AM
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.028 once you push over 16 of drop to .025, and if your pushing 23+ I'd drop to at least .022

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Old Oct 14, 2013 | 01:57 AM
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Originally Posted by BlackKnight
.028 once you push over 16 of drop to .025, and if your pushing 23+ I'd drop to at least .022

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so am i in the right ball bark to push 12 psi.....should i stay where i am or go higher or lower,even if im at 10 psi..whats the recommeded gap
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