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Understanding Heat Range - Autolite - Autolite …

TECHNICAL INFORMATIONREAL PERFORMANCE. REAL VALUE. 2017 FRAM Group IP, LLC, 1900 West Field Court, Lake Forest, IL 60045 Printed in USA0617 Understanding heat RangeTIP TEMPERATURE2500200015001000500 PreignitionElectrode Burning ErosionCarbon and Fuel FoulingHot PlugNormal PlugCold PlugEach engine has different temperature characteristics; typical plug temperature ranges are illustrated SPEEDFULL THROTTLEThe shorter the path, the faster the heat is dissipated and the cooler the Loads / High Speeds SHORT Insulator Tip Fast heat Transfer LOWER heat Range COLD PLUGThe longer the path, the slower the heat is dissipated and the hotter the Trip / Stop-and-Go LONG Insulator Tip Slow heat Transfer HIGHER heat Range HOT PLUGWhy is heat Range Critical?

TECHNICAL INFORMATION REAL PERFORMANCE. REAL ALUE. 0617 FRAM Group IP LLC West Field Court Lae Forest IL 00 Printed in USA Understanding Heat Range

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Transcription of Understanding Heat Range - Autolite - Autolite …

1 TECHNICAL INFORMATIONREAL PERFORMANCE. REAL VALUE. 2017 FRAM Group IP, LLC, 1900 West Field Court, Lake Forest, IL 60045 Printed in USA0617 Understanding heat RangeTIP TEMPERATURE2500200015001000500 PreignitionElectrode Burning ErosionCarbon and Fuel FoulingHot PlugNormal PlugCold PlugEach engine has different temperature characteristics; typical plug temperature ranges are illustrated SPEEDFULL THROTTLEThe shorter the path, the faster the heat is dissipated and the cooler the Loads / High Speeds SHORT Insulator Tip Fast heat Transfer LOWER heat Range COLD PLUGThe longer the path, the slower the heat is dissipated and the hotter the Trip / Stop-and-Go LONG Insulator Tip Slow heat Transfer HIGHER heat Range HOT PLUGWhy is heat Range Critical?

2 It is the measure of how fast the spark plug tip dissipates combustion heat . It must do this in a controlled manner that will:1. Stay cool enough to avoid pre-ignition and/or electrode destruction. 2. Run hot enough to burn off combustion deposits that would otherwise collect at the firing tip. 3. Adapt to specific engine characteristics and widely varying driving/load is heat Range Engineered? heat is conducted away from the firing tip through the (1) insulator to (2) the spark plug shell to (3) the cylinder head. Thus, heat ranges are primarily controlled by the length of the insulator through which the heat must travel before escaping to the cylinder factors effecting heat Range are the thermal characteristics of the insulator and the bond of the insulator to the shell.

3 In both regards, Autolite plugs are INFORMATIONREAL PERFORMANCE. REAL VALUE. 2017 FRAM Group IP, LLC, 1900 West Field Court, Lake Forest, IL 60045 Printed in USA0617 Understanding heat RangeWorking closely with engine manufacturers, Autolite engineers have developed plugs inmany heat ranges to suit all engine Range from COLD through MEDIUM; and HOT to EXTREMELY HOT. Rules for selecting the correct plug are to follow manufacturer s the Right heat Plug NumberOld Racing Plug NumberChampionNGKAR1212RV9 YCR5674-7AR1313RV9 YCR5674-6AR23 RV9 YCBPR6 FSAR24 RV12 YCBPR6 FSAR25 RV15YC4UR4AR3232RF9 YCAP8 FSAR3333RF9 YCAP7 FSAR5050N59 YDR5672A-10AR5151N61YD/N6 YCR5672A-9AR5252N63YD/N7 YCR5672A-8AR5353N9 YCBP6 ESAR7272J12 YCR5670-7AR7373J12 YCR5670-6AR9292S57 YCR5724-10AR9393S59 YCR5724-9AR9494S61 YCR5724-8AR103 RS9 YCBPR6 EFS/TR6 113RF10 CAR6FS 131V55CR5673-10AR132132V57CR5673-9AR1331 33V59CR5673-8AR134134V63CR5673-8AR135135 V63CR5673-7 136RV8CR5673-6 Racing Plug NumberOld Racing Plug NumberChampionNGK 393N3CR5671A-7AR472472S57CB9 EFSAR473473S59CB9 EFSAR474474S61CB8 EFSAR764 RS12

4 YCTR5AR25922592C59R5671A-10AR25932593C61 R5671A-9AR25942594N2CB9 ESAR39103910C59 YCR5672A-9AR39113911C61 YCR5672A-8AR3923 RC9 YCBKR6 EAR3924 RC12 YCFR5AR3931 C55CR5671A-11AR39323932C57 CXR5671A-10AR39333933C59 CXR5671A-9AR39343934C61 CXR5671A-8AR3935 C63CR5671A-7AR4132 D8 EAAR4133 D7 EAAR4152 RA4 HCDP9 EAAR4153 RA6 HCDP8 EAAR5624 R0045Q-10 4113 BP6HS 4114L87 YCBP6 HSRacing Cross Reference ChartTECHNICAL INFORMATIONREAL PERFORMANCE. REAL VALUE. 2017 FRAM Group IP, LLC, 1900 West Field Court, Lake Forest, IL 60045 Printed in USA0617 Gamme ThermiqueTEMP RATURE DE CONSEIL2500200015001000500Pr fecture rosion br lanteFouling du carbone et du carburantPlug chaudFiche normalePlug froidTous les moteurs fonctionnent des temp ratures diff rentes.

5 Les gammes de temp rature types sont illustr es AU RALENTIPlus la distance est courte, plus la chaleur se dissipe rapidement et plus la bougie est Lourdes / Vitesse RapidesLes BOUGIES FROIDES, dont la gamme de conductibilit thermique est PLUS BASSE,ont une extr mit ou t te d isolateur COURTEet transmettent la chaleur la distance est longue, moins la chaleur se dissipe rapidement et plus la bougie est mit Courte Conduite Marche/Arr tLes BOUGIES CHAUDES, dont la gamme de conductibilit thermique est PLUS HAUTE,ont une extr mit ou t te d isolateur LONGUEet transmettent la chaleur plus DU V HICULETHROTTLE COMPLETP ourquoi les gammes thermiques sont-elles si importantes?Les gammes thermiques indiquent la vitesse laquelle l extr mit d une bougie dissipe la chaleur de transmission de la chaleur doit se faire de fa on ce que la bougie:1.

6 Reste assez froide pour viter l allumage pr matur et/ou la destruction de l lectrode. 2. Atteigne un degr de chaleur assez lev pour br ler les d p ts de combustion qui, autrement, s accumuleraient son extr mite. 3. Puisse s adapter aux caract ristiques sp cifiques du moteur et tous les types de conduite et toutes les concevons-nous les Gammes Thermiques?La chaleur est produite l extr mit de la bougie, puis passe par (1) l isolateur, (2) le culot de la bougie et enfin (3) la , c est la longueur de l isolateur par lequel la chaleur doit passer avant de s chapper par la culasse qui d termine dans un premier temps la gamme les autres facteurs qui d terminent la gamme thermique, on citera les caract ristiques thermiques de l isolateur et le lien form entre l isolateur et le culot de la bougie.

7 Sur ces deux plans, les bougies Autolite sont sup INFORMATIONREAL PERFORMANCE. REAL VALUE. 2017 FRAM Group IP, LLC, 1900 West Field Court, Lake Forest, IL 60045 Printed in USA0617 Gamme ThermiqueLes ing nieurs Autolite ont travaill de pr s avec les constructeurs de moteurs et ont con u des bougies aux gammes thermiques aussi nombreuses que vari es afin de satisfaire toutes les applications des peut choisir parmi des bougies dont la gamme varie de FROIDE MOYENNE et de CHAUDE TR S CHAUDE. Pour s lectionner la bougie ad quate, il suffit de suivre les recommandations du fabricant telles qu elles figurent dans le pr sent lection de la Gamme ThermiqueFROIDEMOYENNECHAUDER acing Plug NumberOld Racing Plug NumberChampionNGKAR1212RV9 YCR5674-7AR1313RV9 YCR5674-6AR23 RV9 YCBPR6 FSAR24 RV12 YCBPR6 FSAR25 RV15YC4UR4AR3232RF9 YCAP8 FSAR3333RF9 YCAP7 FSAR5050N59 YDR5672A-10AR5151N61YD/N6 YCR5672A-9AR5252N63YD/N7 YCR5672A-8AR5353N9 YCBP6 ESAR7272J12 YCR5670-7AR7373J12 YCR5670-6AR9292S57 YCR5724-10AR9393S59 YCR5724-9AR9494S61 YCR5724-8AR103 RS9 YCBPR6 EFS/TR6 113RF10 CAR6FS 131V55CR5673-10AR132132V57CR5673-9AR1331 33V59CR5673-8AR134134V63CR5673-8AR135135 V63CR5673-7 136RV8CR5673-6 Racing Plug NumberOld Racing Plug NumberChampionNGK 393N3CR5671A-7AR472472S57CB9

8 EFSAR473473S59CB9 EFSAR474474S61CB8 EFSAR764 RS12 YCTR5AR25922592C59R5671A-10AR25932593C61 R5671A-9AR25942594N2CB9 ESAR39103910C59 YCR5672A-9AR39113911C61 YCR5672A-8AR3923 RC9 YCBKR6 EAR3924 RC12 YCFR5AR3931 C55CR5671A-11AR39323932C57 CXR5671A-10AR39333933C59 CXR5671A-9AR39343934C61 CXR5671A-8AR3935 C63CR5671A-7AR4132 D8 EAAR4133 D7 EAAR4152 RA4 HCDP9 EAAR4153 RA6 HCDP8 EAAR5624 R0045Q-10 4113 BP6HS 4114L87 YCBP6 HSRacing Cross Reference Chart