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#1
10-01-2002, 04:20 PM
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Spark Plugs?
First, allow me to preface this post by stating that the following is what I would assume to be an elementary question. Please do not look down on me for my ignorance......
What do spark plugs do? I realize they provide the 'spark' to ignite the fuel (i think), but do they only spark once when the key is turned? Or perhaps they continually spark? I truly appreciate any information. Thank you all for your time. 
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#2
10-01-2002, 04:26 PM
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Re: Spark Plugs?
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Someone else? Lwin
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Lwin M. Maung (Member # 147) Current SVX: NONE Previous SVXes: 1994 LE Barcelona Red 107k 1992 LS-L Pearl White 143k 1994 LSi Bordeaux Pearl 220k 1992 LS-L Ebony Pearl 184k 1992 LS-L Liquid Silver 145k 1992 LS-L Liquid Silver 102k 1992 LS-L Ebony Pearl 123k Other current cars:2001 Jeep Grand Cherokee Black If at first you don't succeed, CHEAT!
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#3
10-01-2002, 04:35 PM
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Thank you for your response, Seraph. So the different plugs spark on a continuous, but varying, basis up until the point the engine is turned off?
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#4
10-01-2002, 04:37 PM
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Quote:
__________________
Lwin M. Maung (Member # 147) Current SVX: NONE Previous SVXes: 1994 LE Barcelona Red 107k 1992 LS-L Pearl White 143k 1994 LSi Bordeaux Pearl 220k 1992 LS-L Ebony Pearl 184k 1992 LS-L Liquid Silver 145k 1992 LS-L Liquid Silver 102k 1992 LS-L Ebony Pearl 123k Other current cars:2001 Jeep Grand Cherokee Black If at first you don't succeed, CHEAT!
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#5
10-01-2002, 05:26 PM
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__________________
David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available!
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#6
10-01-2002, 05:35 PM
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Thank you, EarthWorm. That site is very informative.
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#7
10-01-2002, 11:29 PM
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FifthElement - Welcome to the site. I am from up north of you. I will PM you with some informaton on a meet in the near future. Oct 19th to be exact.
 It's good to have another member here in WA. 
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=silver]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#8
10-02-2002, 11:15 AM
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They only spark at an exact certain time, usually right when the piston has reached top dead center (All the way up). Of course.....they only spark every other time the piston is at TDC, since car engines are usually 4 stroke (suck squeeze bang blow)
- Ca$h
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#9
10-02-2002, 09:31 PM
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Actually, they spark a little before top dead center so that when the fuel/air mixture is exploding, there is maximum force pushing the piston down. If it sparks at top dead center, by the time the mixture explodes and expands, the piston is already traveling down and you lose some of the effect.
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#10
10-03-2002, 11:04 AM
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(I was trying to keep things simple. :P )
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Linear Mode
