Spark gap question.

zepherman · 07-21-2002, 06:12 PM

Installing autolite 23 (Colder) plugs in my 90 GT because im running a 125 shot, but im not shure what to gap the plugs at. Any help would be much appreciated.

Thanks
Adam

lx mike · 07-21-2002, 08:34 PM

My friends with nitrous say they keep there gap between .035-.040 they run 150-200 shot also timing around 8-10 degrees

chris91LX · 07-22-2002, 01:12 PM

I was told to gap 'em at .040 with a 125 shot and that you should retard the timing about 2* with each 50hp of nitrous.

drudis · 07-22-2002, 03:15 PM

I am running 3923's at .040" gap with 150 shot of S-trim!

I tried .045 and .042 and settled on .040 .

07-21-2002, 06:12 PM	#1 (permalink)
zepherman Registered Member Join Date: May 2001 Location: Oklahoma City OK USA Posts: 236	Spark gap question. Installing autolite 23 (Colder) plugs in my 90 GT because im running a 125 shot, but im not shure what to gap the plugs at. Any help would be much appreciated. Thanks Adam __________________ 90 GT 25th Anni. Did the AOD to T-5 swap, SPEC clutch, Steeda Tri-Ax shifter, BBK 2½ inch off-road H pipe, Flows, BBK 70mm TB/EGR, Ford Racing aluminim driveshaft, 3.55's, welded subframes, Ram Air, 3 core radiator, NOS dry kit 75 shot, and a K&N filter. 12.9 @ 108

07-21-2002, 08:34 PM	#2 (permalink)
lx mike Undescribable Join Date: Sep 1998 Location: Ft Myers Fla Posts: 1,535	My friends with nitrous say they keep there gap between .035-.040 they run 150-200 shot also timing around 8-10 degrees __________________ Rice Haters Club Member #101

07-22-2002, 01:12 PM	#3 (permalink)
chris91LX Registered Member Join Date: Oct 1998 Location: Suburban Chicago, Hanover Park Posts: 695	I was told to gap 'em at .040 with a 125 shot and that you should retard the timing about 2* with each 50hp of nitrous. __________________ My Ford Club http://www.midwestfords.org/ Best time N/A 12.9 @ 107 1.711 60' 125 shot - 12.04 @ 113 1.59 60'

07-22-2002, 03:15 PM	#4 (permalink)
drudis Moderator Join Date: Dec 1999 Location: Livonia, MI, USA Posts: 1,194	I am running 3923's at .040" gap with 150 shot of S-trim! I tried .045 and .042 and settled on .040 . __________________ Darius Rudis, Moderator Corner Carvers Delight 1989 Mustang LX - Open Track Car http://www.dariusrudis.com

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