You are correct about the autolite book and web site both cross the D23 to the 388 and it also says they are resistor type. lol. As far as plug brand we have had some engines that seemed to like one brand over another while the same engine on another fuel type didn't like it. I write tonight for all to hear -- men like Duane Larson and Glen Schueler have devoted an untold amount of hours trying to bring to us the vey best recommendations in spark plugs and magnetos. Later resistor type plugs use a sealed controlled gap or gaps inside and different type metal cores and even composite materials to control the RFI. Doesn"t this have a carbon contact that would act like the resistor carbon in a plug? The AC Delco catalog offers little info. 311419GS, 311419gsBriggs & Stratton Genuine Sparkplug, 311419GS, 311419gs SPARKPLUGGenuine OEM Briggs and Stratton ProductWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Thanks for the help. Any excess heating will kill the coils breaking down the insulation inside between the windings. Most modern resistor plugs can not have the resistance measured properly with a common low voltage ohmmeter and it takes a high voltage pulse (1Kv) to first be applied to eliminate contact resistance and false high readings. They also were developed within the frame of battery-based ignition systems, and now electronic ignition -- surely nothing like you would find on your pre-1947 two-cylinder John Deere! In the electrical (and electronic) worlds we call this Impedence Matching. The setting of combustion deposits on the insulator tip is caused by an imperfect combustion due to a "rich" air/fuel mixture. Other layered metal cores were used in the electrode part of the spark plug to also give longer electrode life to the plug. B-4 (3210) Brisk Silver Racing Powers Evo Performance's Quickest 2013 Mustang "The Green Goblin" !! B-2 (3110) NGK B-2 (3110) STANDARD SPARK PLUG / BOUGIE STANDARD.. $3.74 U.S. Funds . Spark plug cross reference Search spark plug cross reference Type in the spark plug model you want replacement for. "@id": "https://www.yesterdaystractors.com/" May get by with it for a few runs on a old tractor fine but still not good on a magneto coil. * Couriers please same day must be placed before 9am each day and must be Sydney metro only. item 2 311419GS Briggs & Stratton Sparkplug OEM GENUINE 311419GS, Brand New. Go figure ? Non resistor plugs may have a small sealed gap inside also but not as much and plug core construction will differ having a solid metallic core or laminated metallic cores with little resistance. Quickly find CHAMPION to NGK spark plug cross references. * Toll deliveries will need customers to be home for signatures or they will be required to leave without signature.April 1, 2017 will see Australia Post do the same for orders, meaning all orders are sent and are left in a safe place without signature. Listen! We got into coil warranty issues in the past with the makers of coils for most every mag brand out there and they recommended or stated we NOT warranty mag coils ran with resistor plugs and carbon core wires because the added resistance was hard on the points, condenser and coil life. At GOG last week both at my Magneto Ignition Seminar and Round Tables and at Cork Groths Seminar I recommended use of the Autolite 3116 as it is a NON resistor plug versus the Autolite 386 or 388 resistor plugs, and that afternoon Macks Tractor Parts sold out his complete inventory of the 3116 plugs I DESERVE A COMMISSION LOL. If you are urgent for your orders please select the express option. This chart might be hard to use these days as Bosch has changed their part numbering system. The spark plug Cross References are for general reference only. If parts do become no longer available or are placed on back order we do our best to advise with in 7 working days from time of order confirmation. And what is a resister plug, anyway? I know Duane, it was kind of hid in another JD A post. (1) Sparkplug. "Cold" spark plugs feature a relatively short insulator tip and they remove heat from the combustion area quite fast, in order to avoid advanced ignitions. Another iffy cross unless you have them in hand to compare. All of the Autolite 3077s measure ~1 ohm using an old analog VOM which passes some current thru the circuit under test.Imagine my surprise when I checked two brand new Champion W-20s and found that one measured ~3 ohms as expected and the other one measured in the low Megohms!I didn't set up a test circuit to determine if the questionable W-20 would arch internally at high (magneto) voltage. Doesn t this have a carbon contact that would act like the resistor carbon in a plug? ol' guy, For modern spark plug interchange information the best reference is a Champion catalog. Learn more how customers reviews work on Amazon. Info showing the 386 & 388 are suppressor (resistor) plugs can be found in downloadable charts at autolite.com Non resistor 7/8-18 spark plugs: Champion W18 = AC C77L or Autolite 3077 or Champion W89D Champion W14 = Autolite 3076 & 3075 Glen, Oops - I didn't see your posting as I was gone. Go figure ? Dangerous Goods include Aerosol cans, Batteries, Oils & some Lubricants. 18MM non resistor spark plugs: Champion D23 = AC C88L or Autolite 378 Champion D21 = AC C88 or Autolite 377 Champion D18Y extended tip = Autolite 3116 Champion D16 = AC C87 or Autolite 376 or Denso L14U For gasoline stay with the hotter plugs and not the D16. In my opionion there are very few new mag coils made today that can even stand up to industrial 24/7 use and why many go with other means of power now also. How bout the rotor in a Wico magneto? An important parameter of this heat range is given by the so-called self-ignition value. Due to differences in design / materials, products produced by various mfrs may have different specifications. help! E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. Use the NON resistor type plugs listed above with a magneto and metallic core wire also. 6 2023 . varies according to manufacturer. but thought i needed a hot plug. Glen, Oops - I didn't see your posting as I was gone. All Freight options on check-out are calculated from the time of dispatch not the time of order. Brisk Spark Plug Style Identification #1. The Autolite catalog also has information but the Champion catalog is more complete. The order will then be sent freight free via road only. 2011-2019 All Mower Spares. Choose brandname and start typing model number. Briggs And Stratton 311419Gs - Sparkplug (Briggs Oem Part) BRIGGS & STRATTON $9.88 (You save $0.81 ) Current Stock: Quantity: SKU: 311419GS UPC: 024847909968 Condition: New Availability: Ships (leaves our warehouse) within next business day if in stock Category: Spark Plug Add to Wish List Overview Other Details Product Description "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Check for correct application and spec/measurements. Later resistor type plugs use a sealed controlled gap or gaps inside and different type metal cores and even composite materials to control the RFI. NGK Iridium Ix Spark Plug (BKR5EIX) 6341: Get the best Motorcycle Spark Plugs at Advance Auto Parts . Dist. Autolite 388 and 386 are resistor type and NOT recommended for mag use although suppliers will tell you they cross to a D21 do NOT use them on a magneto! We can ship to any address in Australia. Your refund or credit will be processed upon receipt of the returned part, providing the part is still in saleable condition. To cold spark plug for a given engine, B. When you place an order, our system will automatically estimate delivery costs. A wealth of information from guys who know their crackers, but here I am (a carpenter) who's got a 215xxx that I broke down, unstuck, cleaned up, painted and just want to do a little roadside mowingwhat plug and wires would be O.K.? Aircraft, military and industrial magneto ignitions have used non resistor shielded spark plugs and wires for years to control RFI, Radio Freqency Interference also. And an ignition system like that can't hurt on any tractor. This is the price (excluding shipping and handling fees) a seller has provided at which the same item, or one that is nearly identical to it, is being offered for sale or has been offered for sale in the recent past. Try the 18mm ones I listed above. Brisk Silver Racing Spark Plugs Help Power Rick Ellisons Pro-Charged Hemi to a New Class Record!! I have also been running these for years way before microsoft or the internet was formed and I just haven't had any problems. RFI, Radio Frequency Interference, the tac,tac,tac you hear on radio speakers around a non resistor type ignition source is what the resistor or RFI suppressor type spark plug was made to control. "width": 200, Magnetos are a gem of engineering, but of engineering done years before there was a need for resistor plugs -- these really to quiet the environment for hi-fi sounds systems among other things. As many different designs of RFI suppressor plugs out there as brands. You can cross reference a RC12PYP3 or RC12YC non-platinum spark plug for a Briggs 696798. Dist. 18MM non resistor spark plugs: Champion D23 = AC C88L or Autolite 378 Champion D21 = AC C88 or Autolite 377 Champion D18Y extended tip = Autolite 3116 Champion D16 = AC C87 or Autolite 376 or Denso L14U For gasoline stay with the hotter plugs and not the D16. And maximum energy transfer occurs only when there is a match between the sending end resistance and the receiving end resitance. Zone of fouling with non-evaporated fuel - this is the zone of the highest degree of fouling for spark plugs. Woltjer Engines dominate with Brisk Spark Plugs, Bobby Gerhart - Brisk Performance and Racing Spark Plugs Daytona WIN. Diffusion (atomization) of fuel is low and the fuel burns in its liquid state. Use the NON resistor type plugs listed above with a magneto and metallic core wire also. Select a product . lol. The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable).Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.See details for additional description. * ENVELOPES when selected as a method of Shipping will not be covered from All Mower Spares. Welcome! carbons are small and more dense material and hurt more by not being there and too much arcing which makes the coil work harder and heat more. It is used in multiple small engine applications, especially lawn & garden. If you bring up the sparkplug referance table then save it to your favorites you wont have to look at the sights awful wallpaper. Any excess heating will kill the coils breaking down the insulation inside between the windings. We are happy to do exchange parts for incorrectly ordered parts. NGK 6 Pack of Replacement Spark Plugs # CMR7H-6PK. RC12YC/130-526 BKR5E/130-752 SE-12RCY/130-191 3924 FR8DCX Q16PR-U/130-954 BKR5E-11/130-843 BCPR5ES/130-914 RV17YC/130-538 UR4/130-740 26 HR10BC T14PR-U . Tip - I rotate plugs between the left and right cylinders frequently. "mainEntityOfPage": { #1. ", "@context":"https://schema.org", }, SACHS 0265100100 replacement spark plugs. A tractor with an engine which is not in the best of shape may gain from a hot non-resistor plug, copper core wires, and if using a distributor system (or a gear-reduction mag) having the center electrode of the plug at negative voltage with respect to ground will at least have the plug/ignition system optimized. As far as plug brand we have had some engines that seemed to like one brand over another while the same engine on another fuel type didn't like it. I have also been running these for years way before microsoft or the internet was formed and I just haven't had any problems. Part# NGK . Ole guy is saying why did he ask this? Racing Spark Plug Cross Reference Chart - Dragstuff Racing Spark Plug Cross Reference Chart by John Heard, Last Updated Dec 29, 2014 Autolite, AC Delco & Champion to NGK AC Delco to NGK Heat Range Reference NGK Heat Ranges - The larger the number after the dash the colder the plug is. As many different designs of RFI suppressor plugs out there as brands. Please use it as a reference only. Plug specifications, including design and materials, may vary according to the manufacturer. Mike Murillo: First to 6.40's with Brisk Racing Spark Plugs! LP tractors can use a colder plug if needed. May get by with it for a few runs on a old tractor fine but still not good on a magneto coil. The AC Delco catalog offers little info. "headline":"Spark Plug Cross Referencing", The store will not work correctly in the case when cookies are disabled. Please try again. Zone of fouling with dry combustion deposits. 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By the so-called self-ignition value of replacement spark plugs a New Class Record! be covered from Mower...