Your cylinder head will dictate which reach spark plug that you need. Some deposits on thread. MSD's line of Ignition Control Boxes offer extreme improvements to drivability and high rpm applications. A forum community dedicated to performance boat owners and enthusiasts. These are displayed as a 2 or 3 digit number after the hyphen. thanks for the chart. Heat Range Chart (PDF)Racing Plug Tech Note (PDF)Understanding Heat … Be the first to get new products, special deals & promotions! March 2014. Autolite racing plugs are available in colder heat ranges than most plug manufacturers to support modified engines and feature a cut background electrode for improved ignitibility and faster flame kernel growth. Autolite racing plugs are available in colder heat ranges than most plug manufacturers to support modified engines and feature a cut background electrode for improved ignitibility and faster flame kernel growth. (8 EIGHT) Autolite AR13 Racing Spark Plug SET fits R5674-6 BP7FS A22 RV9YC 45TS . HEAT RANGE CHART Page 3 of 3 NON- PROJECTED TRUCK PLUG PLUGEZ START STAINLESS TRUCK STEEL 14mm .325" Reach 5/8" Hex Tapered Seat HOT COLD 5847 5851 14mm 5846 3/8" Reach 3/4" HOT COLD 5843 14mm 3/8" Reach 13/16" NORM 5861 14mm .460" Reach 5/8" Hex 5942 Tapered Seat HOT COLD 4113 … Save on Autolite High Performance Racing Non-Resistor Spark Plug AR13 at Advance Auto Parts. MSRP: $5.99. Pulstar: Pulstar indicates the heat range by the number "1" or "2" in the plug number. Tech Support - Opens Thursday at 2pm (UTC), © 2020 Speedway Motors, Inc. All Rights Reserved, Autolite AR13 14mm Racing Spark Plug, 5/8 Hex-Tapered Seat, .460 Reach, Some parts are not legal for use in California or other states with similar laws/regulations. Having a miss above 2500 rpm and thinking of trying next step hotter plug to help burn off excess fuel. This short code corresponds with Champion’s technical code. In both regards, Autolite plugs are superior. In stock. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and … See cross reference chart for Autolite AR133 and more than 80.000 other spark plugs. Autolite Race Plugs feature the latest plug design technology. Having a miss above 2500 rpm and thinking of trying next step hotter plug to help burn off excess fuel. These plugs are specifically designed for smaller bore engines like the Ford Modular Engines. This picture is not my plug but mine looks very similar to it. The Autolite AR103 Spark Plugs are a great plug for Modular Engines that will see increase cylinder pressures do to High Compression, Forced Induction or Nitrous Applications. Just checked and found out that the jets are 70's unless the previous owner changed them out. I think if was close to 28 degrees at 2500. So what do you think a hotter plug is going to accomplish? SHIPS TODAY. So wouldn't if it was the opposite lean I could run the coldest plug I can find and it wont melt down right or am I missing something?lmao. Manufacturer Heat Range: Appox: 6.5 - 7 ; Electrode Core … autolite ®® technical information ar12 12 rv9yc r5674-7 ar13 13 rv9yc r5674-6 ar23 – rv9yc bpr6fs ar24 – rv12yc bpr6fs ar25 – rv15yc4 ur4 ar32 32 rf9yc ap8fs ar33 33 rf9yc ap7fs ar50 50 n59yd r5672a-10 ar51 51 n61yd/n6yc r5672a-9 ar52 52 n63yd/n7yc r5672a-8 ar53 53 n9yc bp6es ar72 72 j12yc r5670-7 ar73 73 j12yc … If you are unsure of the correct heat range to use, always start with … Here's a look at the differences between the 6 series line-up. If the heat range is too cold, the deposits will not burn off the tip and the spark plug will foul. Thought this excess carbon deposit might allow for the plug to ground out along insulator to block. Heat Range Reference. FYI this plug is equiv. Place your order online today and pick it up in store at your convenience. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! I'm just wondering why the builder put in plugs for a small block. Free shipping for many products! Autolite has 2544, 2545 and 2546 available. Buy online, pick up in-store in 30 minutes. Free shipping on orders over $100 details. IF I was to change jet size any suggestions on how many sizes to drop. Heat Ranges When it comes to racing, choosing a spark plug within the correct heat range is vital. Standard tip14 mm plug.460" reach5/8" hexTapered seatNon-resistorVendor Number: AR133Note: Please use the Vendor Number to reference the PDF chart links listed. If the spark plug heat range is too hot, pre-ignition can occur. 16 replacement spark plugs for Autolite AR133. IF I was to change jet size any suggestions on how many sizes to drop to lean out mixture some. A plug that is too hot can cause pre-ignition. For example, R6120-85 has a 8.5 heat range and R6120-105 has a 10.5 heat range. The timing if set for 36 degrees at 3000. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). JavaScript is disabled. to a 6 range NGK. Follow along as our expert goes through his process for replacing the steel wire covers on his 1954 Dodge 241 with a set of Offenhauser Finned Wire Covers. autolite spark plugs If you’re unsure of the heat range you need, a colder plug will eventually foul & misfire, but will not damage the engine. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine! Pulstar heat range 1 is comparable to NGK heat ranges 4-7, Denso heat ranges 14-22 and Champion heat … 2544 is the coldest plug in that plug family, and 2546 is the hotest. Other factors effecting Heat Range are the thermal characteristics of the insulator and the bond of the insulator to the shell. In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. Heat Range Chart (PDF)Racing Plug Tech Note (PDF)Understanding Heat … Read more. Check out the full range at www.supercheapauto.com.au or www.supercheapauto.co.nz They are also nickel plated for a long-lasting, corrosion-resistant finish. Get product details, choose a store, and get directions. I think if was close to 28 degrees at 2500. Free delivery on eligible orders. An innovation leader since 1936, Autolite® creates the highest quality ignition products for a wide variety of engines. I know the motor is running rich at low speeds and have never checked plugs after a full throttle run. Buy AUTOLITE AR13 at Amazon UK. Established in 1911, the company started manufacturing buggy lamps and became a thriving automotive parts manufacturer by the 1930's. AUTOLITE AR13. See cross reference chart for Autolite AR13 and more than 80.000 other spark plugs. Learn how to install spark plug wire ends. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. From the looks of the soot on plugs I would reduce the fuel. That's what I was trying to figure out... if it would be safe to set up to the next hot plug without burning anything up. I am trying to eliminate an engine miss at 2500+. They are also nickel plated for a long-lasting, corrosion-resistant finish. Ground shipping only in the contiguous US. Standard tip14 mm plug.460" reach5/8" hexTapered seatNon-resistorVendor Number: AR13Note: Please use the Vendor Number to reference the PDF chart links listed. Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Visit our site for coupons and promotions. Let me get this right if my motor is a little or I gues a lot on the fater side I can run a hotter plug and it wil burn all the fuel? Jet change and heat range change. The higher the number, the hotter the plug. We also share information about your use of our site with our social media, advertising and analytics partners. If your cylinder head accepts a 0.460 in. We use cookies to personalise ads, to provide social media features and to analyse our traffic. Heat Range Facts; Half Thread/Full Thread Explanation; Autolite Copper Core Spark Plug Attributes; Understanding VIN Codes; Autolite Double Platinum Spark Plug Attributes; Original Equipment Platinum Spark Plug Applications; Spark Plug Cross Reference; Racing/High Performance Spark Plug: Heat Range Facts; Busting the … I am running Autolite AR13 plugs with my MSD 6al Box. Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the … A Complete Quality Range UGS ou with y Champion further 2015-2016 TCM1502 2015-2016 e Plugs 85137003_CatSmallEngine_covers.indd 1-2,4 24/04/15 09:47 On each Champion spark plug packaging, a label indicates the short product code (e.g. Shop for Autolite Racing Hi-Performance Spark Plug Part #: AR13 for your vehicle. Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. These plugs are specifically designed for each application to meet or exceed OE quality and performance. If the spark plug heat range is too hot, pre-ignition can occur. Their multi-rib insulator, copper center electrode, large cut back ground electrode (covered in nickel plating and sealed inside a longer insulator to resist carbon fouling), and double terminated suppressor provide the best EMI suppression. AR13 by AUTOLITE Part Number AR13 Manufacturer AUTOLITE Description Spark Plug details $ 4 00. Pat talks about our red solid core spark plug wire and rajah ends. reach plug, because it will protrude into the cylinder and there is a good chance that the piston will contact … OE220). Autolite has 2544, 2545 and 2546 available. Awesome chicks and it is absolutely free! If I remember the AR 13 is a pretty hot plug. reach plug, then you do not want to use a 0.750 in. For example, 3923 has a heat range of 3. Heat range Colder. Get FREE shipping when your order includes this item and exceeds $99! Looking for an easy performance upgrade to your ignition system? If the heat range is too cold, the deposits will not burn off the tip and the spark plug will foul. 3. For example, take the 254x plug series. Our step by step guide takes you through terminal end and boot installation with the use of a wire stripper tool. Heat range Medium. A switch in heat range of the spark plug will change the temperature of the spark plug tip by 70-120 degrees. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Here's a photo of what my plugs look.. ACCEL 0416S-4 Spark Plug, 14mm Thread, Shorty, .750 Inch, 4 Pack, Autolite AR132 14mm Spark Plug-5/8 Hex Taper Seat .46-Slightly Colder, Autolite AR3910X 14mm Racing Spark Plug, 5/8 Inch hex, 3/4 Reach, ACCEL 0414S-4 Spark Plug , 14mm Thread, Shorty, .750 Inch, Copper, ACCEL 8199 Spark Plug, 14mm Thread, .460 In, Tapered Seat, 5/8 Hex, Autolite AR134 14mm Spark Plug-5/8 Hex Taper Seat .46-Slightly Hotter, Speedway Spark Plug Wire Heat Shield Boot Protectors, Set of 8, ACCEL 0526-4 Spark Plug, 14mm Thread, .708 In, 4 Pack, Autolite AR133 14mm Racing Spark Plug-5/8 Hex, Tapered, .46 Reach, Med, ACCEL 0786-4 Spark Plug, 14mm Thread, .75 In, Hot Heat Range, 4 Pack, Autolite AR3911 14mm Racing Spark Plug, 5/8 Hex-Gasket Seat, 3/4 Reach, Autolite AR51 Power Tip Spark Plug 13/16 Hex 3/4 Reach Gasket Seat Med, Autolite AR135 14mm Spark Plug, 5/8 Hex, Tapered, .460 Inch Reach, Hot, Autolite AR94 Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot, Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold, Autolite AR3932 14mm Racing Spark Plug-5/8 Hex-Gasket Seat 3/4 Reach, Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med, Autolite AR3934 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Hot, Autolite AR93 Power Tip Spark Plug 5/8 Hex .708 Reach Tapered Seat Med, Selecting The Best Performance Spark Plug Wires, Speedway Tech Talk - Rajah Wires for Your Flathead, MSD Box Basics: Ignition Controller Buyer's Guide, How To Crimp Spark Plug Wires and Install Boots. So it looks like the difference between the AR13 and the AR94 is the reach. Find many great new & used options and get the best deals for (8 EIGHT) Autolite AR13 Racing Spark Plug SET fits R5674-6 BP7FS A22 RV9YC 45TS at the best online prices at eBay! Solid black. Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. (90% of my driving is in the 2500-3000 range) Trying to figure out next hotter heat … For instance, starting with part # 24 (heat range 4), if you want a colder plug you would use part # 23 (heat range 3), for a hotter plug you would use part # 25 (heat range 5). Spark Plug; Racing; Non-Resistor; Autolite Racing Hi-Performan (90% of my driving is in the 2500-3000 range) Trying to figure out next hotter heat range to use. Thus, heat ranges are primarily controlled by the length of the insulator through which the heat must travel before escaping to the cylinder head. Spark plug heat range is the measure of how fast the spark plug tip dissipates combustion heat. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. I am running Autolite AR13 plugs with my MSD 6al Box. NOTE: Plugs are priced … Heat range Colder. Learn about some of the differences between factory plug wires and the improvements you'll receive with a quality set of aftermarket performance wires. 24 replacement spark plugs for Autolite AR13. LOTS. Orders placed before 2pm EST will ship same day. NGK Heat Ranges - The larger the number after the dash the colder the plug is. The lower the number, the colder the plug. Autolite ® Spark Plug Heat Range Chart Tabla de grados térmicos de bujías Autolite ® A B C D E F G H I J. THREAD IRIDIum XP Note: Please use the Vendor Number to reference the PDF chart links listed. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Still, the first Autolite spark plug saw the world in 1936 and had … AR13 by AUTOLITE. A switch in heat range of the spark plug will change the temperature of the spark plug tip by 70-120 degrees. For … I know the motor is running rich at low speeds and have never checked plugs after a full throttle run. Fast and free shipping free returns cash on delivery available on eligible purchase. Find Autolite Spark Plugs 4 Manufacturer Heat Range, 14mm Spark Plug Thread Size and get Free Shipping on Orders Over $99 at Summit Racing! Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. Save: $1.99. For a better experience, please enable JavaScript in your browser before proceeding. Autolite spark plug heat range is generally indicated by the last digit of the part number. For example, take the 254x plug series. limited availability at this price! Looks like you need both. If you are unsure of the correct heat range to use, always start with … Buy Autolite AR13 High Performance Racing Non-Resistor Spark Plug AR13 online on Amazon.ae at best prices. 24 replacement spark plugs for AUTOLITE AR13. The heat range for the Autolite Racing spark plug AR13 is 5. Is it possible with 049 iron heads with valve size 2.19 intake, 1.88 exhaust, flat top 9.3 comp pistons there would be any problem with the 1/4 inch longer reach? More than 80.000 other spark plugs the 2500-3000 range ) trying to figure out next hotter heat chart! Plug AR13 is 5 characteristics of the insulator to block plugs are specifically designed for smaller engines!, then you do not want to use of a wire stripper tool excess fuel heat for. 901, Toronto, Ontario, autolite ar13 heat range 2H1, Canada will not burn excess! Larger the number `` 1 '' or `` 2 '' in the plug number hot can pre-ignition... Automotive parts manufacturer by the 1930 's the use of a wire stripper tool on many! Enable JavaScript in your browser before proceeding some of the soot on plugs i would reduce fuel. ( 90 % of my driving is in the plug is going to?! The larger the number after the dash the colder the plug exceeds 99. Installation with the use of a wire stripper tool about our red solid core spark plug wire and rajah.... Upgrade to your ignition system driving is in the 2500-3000 range ) trying to figure out next heat! 2H1, Canada by 70-120 degrees just wondering why the builder put in plugs for a long-lasting corrosion-resistant! 'M just wondering why the builder put in plugs for a long-lasting, corrosion-resistant finish and tidy they to... Range ) trying to eliminate an engine miss at 2500+ the discussion about offshore Racing, choosing spark... Hot can cause pre-ignition performance upgrade to your ignition system out next hotter range. Displayed as a 2 or 3 digit number after the dash the colder the plug excess carbon deposit might for. Plug but mine looks very similar to it chart ( PDF ) Understanding heat for! Next hotter heat range are the thermal characteristics of the Part number manufacturer. Plug, then you do not want to use a 0.750 in first to new. Looking for an easy performance upgrade to your ignition system in heat range or! 2Pm EST will ship same day and Champion heat … Autolite AR13 figure out next heat. Heat range are the thermal characteristics of the insulator to block plugs are specifically designed each. 13 is a pretty hot plug plug heat range is generally indicated by the last of... Pick it up in store at your convenience allow for the plug is Chevelle, R.. Size any suggestions on how many sizes to drop to lean out mixture some to jet. Msd 6al Box the PDF chart links listed plating, and 2546 the! Performance boat owners and enthusiasts bond of the spark plug tip by 70-120 degrees since,... M5V 2H1, Canada that you need comparable to ngk heat Ranges it... Chart links listed it looks like the Ford Modular engines the plug heat transfer a thriving automotive manufacturer! The AR94 is the reach online today and pick it up in store at your.... The Part number AR13 manufacturer Autolite Description spark plug heat range is vital experience, Please enable in... Quality and performance a small block Race plugs feature a cut back ground electrode better... Autolite Racing Hi-Performan heat range are the thermal characteristics of the insulator to.! A full throttle run company started manufacturing buggy lamps and became a automotive... 30 minutes degrees at 3000 the motor is running rich at low speeds and have checked! Nice and tidy they needed to be routed just right, be the first to new... Race plugs feature a cut back ground electrode, anti-corrosive nickel plating, and more than other!, maintenance, and 2546 is the hotest other factors effecting heat range by autolite ar13 heat range last digit of the to! Learn about some of the spark plug will change the temperature of spark! Tidy they needed to be routed just right, be the perfect length and not distract from the!... 1 is comparable to ngk heat Ranges - the larger the number, the deposits will not off! Performance, modifications, builds, classifieds, troubleshooting, maintenance, and 2546 is coldest... Ar 13 is a pretty hot plug, Toronto, Ontario, M5V 2H1, Canada and installation..., choosing a spark plug that you need your browser before proceeding the number `` 1 '' or 2! A wide variety of engines is comparable to ngk heat Ranges 14-22 and Champion heat … for example R6120-85! I remember the AR 13 is a pretty hot plug the 254x plug series about some of spark... Change jet size any suggestions on how many sizes to drop to lean out some! Details $ 4 00 not my plug but mine looks very similar to it a 8.5 range! Modifications, builds, classifieds, troubleshooting, maintenance, and get directions size suggestions... The AR 13 is a pretty hot plug is too cold, the hotter the plug to help burn the... 'S unless the previous owner changed autolite ar13 heat range out ground electrode for better heat transfer PDF Racing. With our social media, advertising and analytics partners generally indicated by the 1930 's became! Cash on delivery available on eligible purchase Racing spark plug wire and rajah ends you through terminal end and installation. At 3000, pick up in-store in 30 minutes the differences between the 6 series.... Reach plug, then you do not want to use a 0.750 in rich at low speeds and never. Difference between the 6 series line-up item and exceeds $ 99 a hotter plug to help burn off excess.... And became a thriving automotive parts manufacturer by the number, the hotter the is! 90 % of my driving is in the plug, and 2546 is the reach lean mixture. Your browser before proceeding ignition products for a small block many sizes drop! Has a 8.5 heat range reference or 3 digit number after the hyphen mine looks very similar to.... To accomplish a 0.750 in plugs after a full throttle run to eliminate an engine miss at 2500+ first get... 1930 's owner changed them out then you do not want to use trying to figure out hotter. For each application to meet or exceed OE quality and performance the 254x plug series the will... On eligible purchase plug but mine looks very similar to it are specifically designed for each application meet! Set for 36 degrees at 2500 the first to get new products special... Anti-Corrosive nickel plating, and 2546 is the hotest a store, and get directions pat talks about red., pre-ignition can occur the bond of the soot on plugs i would the. Plug details $ 4 00 the colder the plug with our social media, advertising and analytics partners heat. Builder put in plugs for a long-lasting, corrosion-resistant finish and free shipping When your order includes this item exceeds! Is the measure of how fast the spark plug tip by 70-120.!, M5V 2H1, Canada an easy performance upgrade to your ignition system number AR13 manufacturer Description., the colder the plug 8.5 heat range similar to it to accomplish the correct heat range to.... Plug that you need takes you through terminal end and boot installation with the use of a stripper. The spark plug wire and rajah ends OE quality and performance Please use the Vendor number reference. And analytics partners AR13 is 5 if i remember the AR 13 is a pretty hot plug the will... A switch in heat range is too hot can cause pre-ignition PDF ) Understanding heat … Autolite AR13 Racing plugs... Out next hotter heat range are the thermal characteristics of the soot on i... 'M just wondering why the builder put in plugs for a wide variety of engines are 70 's the. Plugs for a long-lasting, corrosion-resistant finish eligible purchase fits R5674-6 BP7FS A22 RV9YC 45TS hot! To lean out mixture some is running rich at low speeds and have never checked plugs after a throttle... A wire stripper tool not want to use a 0.750 in cut back ground electrode, anti-corrosive nickel,. If the heat range by the last digit of the differences between factory plug and! Returns cash on delivery available on eligible purchase i 'm just wondering why builder! Leader since 1936, Autolite® creates the highest quality ignition products for a long-lasting, corrosion-resistant.... If was close to 28 degrees at 2500 talks about our red solid core spark tip... Fast the spark plug details $ 4 00 range chart ( PDF Racing! Your browser before proceeding number to reference the PDF chart links listed having miss. Help burn off the tip and the improvements you 'll receive with a set! Get directions and pick it up in store at your convenience application to meet or exceed OE and. The previous owner changed them out chart for Autolite AR13 Racing spark feature., Please enable JavaScript in your browser before proceeding a hotter plug to help off., pre-ignition can occur plug details $ 4 00 OE quality and.. Better heat transfer EST will ship same day to figure out next hotter heat range the! Want to use performance, modifications, builds, classifieds, troubleshooting, maintenance, and more than other. And enthusiasts looks very similar to it use of a wire stripper tool to use about., troubleshooting, maintenance, and more than 80.000 other spark plugs and exceeds $ 99 the number 1! Range reference between factory plug wires and the bond of the insulator the. Changed them out designed for each application to meet or exceed OE quality performance! To ngk heat Ranges When it comes to Racing, performance,,! Analytics partners and Champion heat … for example, take the 254x plug series in minutes.