different of hot and cold plugs

5000cc · 10-03-2002, 06:38 AM

I've been trying to find out the different in hot and cold plugs. I mean physically, which one is shorter or longer,how can you tell because I've been buying the wrong type of plugs for the nitrous

302 LX Eric · 10-03-2002, 08:00 AM

A 'colder' plug should be shorter than a 'hotter' one.

For example, I use Autolite #3924's in my Mustang. For you, with nitrous, you'll probably want to use a #3923 - or a colder plug.

Hope this helps.
E

10-03-2002, 06:38 AM	#1
5000cc Registered Member Join Date: May 1999 Location: Hialeah,Fl,USA Posts: 57	different of hot and cold plugs I've been trying to find out the different in hot and cold plugs. I mean physically, which one is shorter or longer,how can you tell because I've been buying the wrong type of plugs for the nitrous __________________ 93 Lx coupe,125 shots wet system,BBK headers,pully,ported performer intake,24 lbs,short belt,Headman x pipe,mac catback,upr blue thunder shifter,73 mm mass air,k&n panel filter,king cobra cluth, aluminum driveshaft, 4.10 gears, cobra tranny, welds 15/6 on front and 15/10 rear.

10-03-2002, 08:00 AM	#2
302 LX Eric or '331 LX Eric' Join Date: Jan 1999 Location: Columbus, Ohio Posts: 2,142	A 'colder' plug should be shorter than a 'hotter' one. For example, I use Autolite #3924's in my Mustang. For you, with nitrous, you'll probably want to use a #3923 - or a colder plug. Hope this helps. E __________________ 1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60'