AR3933 plug question for lt1 with nitrous use
AR3933 plug question for lt1 with nitrous use looking at trying these in a 383, TFS heads with 12.5:1 and a shot. kit can go 300 but wanna start at 75 and work my way up. would you big nitrous users go colder?
Use a 3934 for a 150 shot
i was thinking a 3935 for the street . with the advice tony gave i was starting to think about having 3 different heat ranges. one for street one for running on 1 stage and the other for all of it i can shove down its throat.
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not using a stock casting head... these are gasket, not tapered seat plugs.
mdacton... ngks for nitrous, autolites for n/a is my understanding, just because the autolites won't burn the ground strap before the piston is toast.
mdacton... ngks for nitrous, autolites for n/a is my understanding, just because the autolites won't burn the ground strap before the piston is toast.
hey guys i didn't want to start another thread to ask this question.
on my nx kit today i sprayed the 75 and all was good . afr stayed around 12.5. i then jetted it for the 100 shot and it touched 13.6 . i let out soon as i saw it hit 13. i am wondering what you guys think about upping the jet on the fuel side from 31 to a 33 (that's the next size up i have) i know they use a 38 (i think, the list is down at the shop) for the 175. has anyone tried that yet? i want to do it this way due to the stand alone fuel system is at 41 or 42 psi right now and nx rates their systems at 40 or so they said on the tech line.
on my nx kit today i sprayed the 75 and all was good . afr stayed around 12.5. i then jetted it for the 100 shot and it touched 13.6 . i let out soon as i saw it hit 13. i am wondering what you guys think about upping the jet on the fuel side from 31 to a 33 (that's the next size up i have) i know they use a 38 (i think, the list is down at the shop) for the 175. has anyone tried that yet? i want to do it this way due to the stand alone fuel system is at 41 or 42 psi right now and nx rates their systems at 40 or so they said on the tech line.
Joined: May 2002
Posts: 3,299
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From: windsor, ont. canada - Home of the fastest LT1 6spd.
autolites are a tougher breed to read properly, but it just takes time and practice. i have run autolites for so long on the bottle that i wouldn't consider anything else for spray, it is just what i am comfy with. although i am tempted to try some ngk's for say a 100 - 200 hit of the gas.
more like when (next will be a nano kit) i will hit you up. 
