I like the quality and performance of the Tempest Spark Plugs best. Tempest doesn't think it's a big deal for me to be without the plane or the cost involved. Spark Plug Resistance Schematic Tempest Spark Plug Compare Flyer _____ Tempest Filtration Products Oil Filters. There is no separate resistance check for Champion Aviation spark plugs. A new Champion plug will have a value of 800 to 1200 OHMS. Click here to find out what makes Tempest the … Discount Auto Parts and Accessories. SPARK PLUG 101. Tempest doesn’t currently have a similar tool, but is in the process of expanding its spark plug tool product line. AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. PS I've got a new set of Tempest plugs on order! I took the opportunity to replace the Champion fine wires with Tempest massives. Made in USA. Aviation grade nickel electrode design focuses on minimizing sparking voltage requirements while maintaining specification gaps to ensure large, stable ‘flame kernels’ for on-time ignition and complete combustion. When the plug was pulled on that Grumman, it was fairly obvious that … The IA/AP simply places the spark plug, barrel side down over the contact post and touches the other lead end to the firing end of the center electrode. excl. For 1961, 1963-1970 Pontiac Tempest Spark Plug Wire Set MSD 28836TZ 1964 1965. Choose top quality brands AC Delco, Accel, Denso, MSD, NGK, Standard Motor Products, Taylor, Walker. Tempest recommends any spark plug over 5kΩ needs to be replaced with a new plug. We would like your help so we can serve the industry better! 08 Feb 2015, 20:31. Please refer to FAA approved data or engine/airframe/propeller manufacturer’s parts listing for final determination of article approval. We supply new and used aircraft parts to aircraft owners, mechanics, FBO’s and engine shops through our retail outlets. It will be either a 5/8-24” or ¾-20 thread. A new Champion plug will have a value of 800 to 1200 OHMS. Here are the results: Sparkplug Resistance T1 T2 T3 T4 T5 T6 38K 34K 5.4K 60K 26K 7K B1 B2 B3 B4 B5 B6 24K 10K 262K 60K … Add Options × Please check the boxes for the options that you would like to add. manufactured and where problems seem to appear with high resistance. You can use a good multi-meter to test the resistance between the center electrode and the conductor in the spark plug barrel or Tempest makes a dedicated spark plug tester called the AT5K for a little over $100. We would like your help so we can serve the industry better! Search. Environmentally preferable electrolytic nickel provides outstanding durable finish, superior corrosion protection, and extreme wear resistance. She cleans them, checks gap and checks internal resistance although the Tempest plugs don't have a resistance issue like the old champion design with removable resistor, they should still be tested. Although great effort has been made to ensure accuracy and completeness, Aero Accessories/Tempest® assumes no responsibility for the information contained within this document. Most reports Tempest receives about rough running engines associated with high spark plug resistance involve values of 7000 ohms or more. Tempest Aviation have the most automated manufacturing processes and the most innovative spark plug in the aviation industry. High Conductivity Copper Core Center ElectrodeCopper, co-extruded inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases.Proprietary Glass Center Seal21st century ‘fired in’ resistor replaces the multipart screw, spring, and carbon pile stack up used in  competitive plugs and known to suffer from resistance value instability that can cause misfires, wasted fuel, and engine roughness.High Alumina Ceramic InsulatorHigh mechanical strength, superior dielectric properties, and proprietary protective glaze, provides high performance to conquer severe operational conditions. Experience suggests that any resistance over 5kΩ ohms causes the voltage to bleed through the path of least resistance rather than ionize the gap. Image courtesy of Tempest Excellence. Made in USA. Many had resistance's of 7000 -10,000 om's. Severely fouled plugs should be replaced with new Tempest® spark plugs. This information is valid for up to 617 EA. Please refer to FAA or engine/airframe/propeller manufacturers’ parts listing for approved part numbers for each application. Take an OHM Meter and measure the resistance value from the connection in the bottom of the barrel to the clean center electrode at the firing end, electrode must be bare metal. I like the quality and performance of the Tempest Spark Plugs best. The average spark plug fires 8 million times during 100 hours of flight. If the light is green, the spark plug resistance is below 4kÙ (thousand ohms). Nothing is magical about 5000 ohms, but using it as a cut-off point for spark plugs has proven to work well; just like using 80/60 for compression checks works well. Close X. My current set for my RV9A are the Tempest Fine Wire Plugs. Hundreds of millions of spark plugs later its safe to say that the MIL Specs advice is good. According to Tempest, any spark plug showing a resistance of greater than 5,000 ohms should be replaced. You have options, starting with the manufacturer. Made in USA. How destructive? This will help even out electrode wear caused by constant polarity and capacitance after-fire. Long reach v. short reach will be determined by the specific engine. The spit really hit the fan when Champion’s primary competitor in the aviation spark plug space, Aero Accessories, Inc., launched a marketing campaign to promote sales of its Tempest-brand aviation spark plugs by highlighting the resistance issue. Tempest Spark Plug PA-18 . Keep VAF Going Donate methods Point your camera app here to donate fast. Harness Wire Contact smooth, uninterrupted, oxide treated spring contact surface offers enhanced corrosion resistance, is chemically bonded to the fired-in resistor providing the ultimate harness/spark plug termination integrity and energy transfer. Cold spark plugs versus hot spark plugs . High Conductivity Copper Core Center Electrode copper, co-extruded inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. VAT, excl. Fine wires can last 1500 hours. 0. There are several things you will need to know as most engines have several different spark plugs approved. By. Tempest Tech-Tips - The Right Way to Check Spark Plug . Replace any plug above 5000 OHMS. The Tempest AT5K resistance tester is a very efficient and effect means to test the internal resistance in all aviation spark plugs. AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. To help assure reliable and trouble free operations, Tempest recommends replacing spark plugs in service having a resistance value of more than 5000 ohms (5k ohms) or less than 500 (0.5k ohms). The IA/AP simply places the spark plug, barrel side down over the contact post and touches the other lead end to the firing end of the center electrode. I will always buy Tempest plugs from now on. Availability: Out Of Stock. Description: Spark Plug Resistance Tester: Manufacturer: Tempest A/Accessories: Condition: New: Release Certification: Not Applicable: Stock: 0: Standard Factory Lead Time: 20-30 Days? A good spark plug should show an open circuit between the center electrode and the tip. AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. Tempest Spark Plug - URHB32E. I like the quality and performance of the Tempest Spark Plugs best. Browse our selection of Tempest aircraft spark plugs below. Home; Online Catalog; Brands; Customer Service; Track Order; View Cart; Checkout. Q: What causes carbon fouling on my spark plug?A: Carbon fouling is indicated by dry, fluffy, sooty deposits. Price. Q: What spark plug should I use for my engine?A: Please refer to the Tempest application chart. Tempest ... inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. All aviation spark plugs are made the same, therefore there is no difference is resistance. Also stated the champion fine wire plugs are cracking their ceramic insulators from going too slowly through the red zone while trying to find rich of peak. 4. My last set were the Tempest Massive Electrodes that I switched to from the Champion Brand because of radio noise which went away with the Tempest Plugs. Learn More. Tempest Spark Plug UREM40E. Leave all boxes unchecked for unit only. Tempest Introduces AT5K Spark Plug Resistance Tester. Best practice is to use the same heat rated plug you have removed. The Tempest AT5K resistance tester is a very efficient and effect means to test the internal resistance in all aviation spark plugs. High mechanical strength, superior dielectric properties, and proprietary protective glaze, provides high performance to conquer severe operational conditions. I'd stick with Tempest, unless you want to go back to the Champion resistance issues. Free shipping Total Manufacturing Control… Tempest Spin EZ® filters are the only aviation oil filters made in a state of the art aviation oil filter plant built solely for, and dedicated to, … AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. Spark plug heat range is the area in which the spark plug functions thermally. Copper, co-extruded inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. It is built to withstand temperatures of 4,000 degrees Fahrenheit, pressures of 2,000 psi, and 24,000 volts. Expected shipping date is Wednesday 06 January if you order before 16:00 Wednesday 30 December. If you can't find the Tempest spark plug you need, contact us with your Tempest spark plug request. I actually starting sending mine to the Spark Plug lady, "Aircraft Spark Plug Service" 818-599-6139 at annual time. It addresses checking spark plug resistance using a low voltage ohmmeter. The Tempest AT5K resistance tester is a very efficient and effect means to test the internal resistance in all aviation spark plugs. The lower the numeric value the colder the heat rating. Tempest specifies that the plug resistor should never be below 500 Ohms or above 5000 Ohms. Made in USA. Aircraft Specialties Services is a Part 145 Repair Station specializing in reconditioning and machining crankshafts, camshafts, tappet bodies and connecting rods. Spark Plug Application SheetSpark Plug SpecificationsSpark Plug and Oil Filter FlyerSpark Plug Resistance SchematicTempest SparkPlug Compare Flyer. If the light is green, the spark plug resistance is below 4k- (thousand ohms). AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. Menu. If you find errors or omissions in this data, please Contact Us or call us at (800) 822-3200. https://www.youtube.com/watch?v=0_8pkttf-2g, A-65, A-75, C-75, C-85, C-90, C115, C-125 Series, IO-360-A, AB, C, CB, D, DB, E, ES, G, GB, H HB, J, JB, K, KB, TSIO-360-A, AB, B, BB, C, CB, D, DB, E, EB, ES, F, FB, G, GB, H, HB, JB, K, KB, LB, MB, NB, PB, RB, SB, O-470-4, 11, 11B, 11B-C1, 11-C1, 13, 13A, 15, IO-470-D, E, F, H, L, LO, M, N, S, U, V, VO, IO-520-A, B, BA, BB, C, CB, D, E, F, J, K, L, M, MB, N, NB, TSIO-520-A, AE, AF, B, BB, BE, C, CE, D, DB, E, EB, F, G, H, J, JB, K, KB, L, LB, M, N, NB, P, R, T, U, UB, V, VB, WB, LTSIO-520-A, AE, B, BE, C, CE, D, DB, E, EB, G, H, J, JB, K, KB, L, LB, M, N, NB, P, R, T, U, UB, VB, WB, EIS-41000, EIS-41000IC, EIS-41000T, EIS-41000TIC, EIS-41000TLH, EIS-41000LHIC, 6A-350-C1, C1A, C2, C2A, C1L, C1R, D, D1, D1A, D1B, 4M, 4MA, 4MA7, 4MB, 5M, 5MB, 6M, 6MA, 6MBA, Twin Wasp Series SC-G, SC3-G, S1C-G, S1C3-G, S3C4-G, S4C4-G, Double Wasp Series CA3, CA5, CA15, CA17, CA18, CA19, R2800-97, CB3, CB4, CB16, CB17, O-360-A1A1, A1A2, A2A1, A2A2, A3A1, A3A2, A4A1, A4A2, A5A1, A5A2, A6A1, A6A2, B1A1, B1A2, B2A1, B2A2, B3A1, B3A2, B4A1, B4A2, B5A1, B5A2, B6A1, B6A2, C1A1, C1A2, C2A1, C2A2, C3A1, C3A2, C4A1, C4A2, C5A1, C5A2, C6A1, C6A2, D1A1, D1A2, D2A1, D2A2, D3A1, D3A2, D4A1, D4A2, D5A1, D5A2, D6A1, D6A2, E1A1, E1A2, E2A1, E2A2, E3A1, E3A2, E4A1, E4A2, E5A1, E5A2, E6A1, E6A2, IO-360-A, B, C, D, E, F, J, K, L, M Series, IO-360-A1B6, C1A, C1F, F1A Series (Long Reach), TO-360-C1A6D, E1A6D, F1A6D Series (Long Reach), HIO-360-E1AD, E1BD, F1AD Series (Long Reach), TVO-435-A, B, C, D, E, F, G Series (Long Reach), IO-540-A, AB, AE, B, C, D, E, G, J, K, L, M, N, P, R, S, T, U, V, W, (Short Reach), IO-540-AA, AC, AE, E, G, J, K, M, N, P, R, S, U (Long Reach), IO-540-E1A5, E1B5, E1C5, J4A5, K1B5, K1B5D, K1C5, K1D5, K1E5, K1E5D, K1F5, K1F5D, K1G5, KIG5D, K1H5, K1J5, K1J5D, K1K5, K1K5D, K2A5, P1A5, R1A5 (Long Reach), TIO-540-A, AA, AB, AE, AF, AG, AH, AJ, AK, C, E, F, G, H, J, K, N, R, S, T, U, V, W Series, Super Scarab 165, A, B, D, 185, 185J, 185K. Q: What Ohm value is recommended on Tempest spark plugs?A: Typically Tempest spark plug resistors will stay between 1000 and 1500 Ohms throughout their life. If you find errors or omissions in this data, please Contact Us or call us at (800) 822-3200. The IA/AP simply places the spark plug, barrel side down over the contact post and touches the other lead end to the firing end of the center electrode. Tempest brand products are manufactured by Aero Accessories, LLC. Tempest, a new comer, took over the Autolite/Unison spark plug line. The photo at left shows how to use a spark plug gapping tool and wire-style feeler gauge. Delete. We're all excited about internal resistance of spark plugs these days. Item added to wishlist ... inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. The IA/AP simply places the spark plug, barrel side down over the contact post and touches the other lead end to the firing end of the centre electrode. They too are radio quiet and give great performance. The plug is operating too cold to burn off combustion deposits. High Conductivity Copper Core Centre Electrode Copper, co-extruded inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. Your Cart × Quantity. Available Quantities: In 11 days: 617 EA: Description: Thread size: 18 mm Reach: 1/2"/1.27 cm Shielded Threading: 5/8" - 24 … Search by Make / Model. High Resistance in Tempest spark plugs RV Ongoing Maintenance Issues : Home > VansAirForceForums-POSTING RULES-Advertise in here!-Today's Posts | Insert Pics. SPARK PLUG 101. The average spark plug fires 8 million times during 100 hours of flight. Please refer to FAA approved data or engine/airframe/propeller manufacturer’s parts listing for final determination of article approval. I like the quality and performance of the Tempest Spark Plugs best. While there simply isn’t enough real-world data to point to a definitive fix, we set out to determine if Champion specifically redesigned the plugs to be as reliable as plugs from competitor Tempest. My Champions had only 126 hours on them. It is built to withstand temperatures of 4,000 degrees Fahrenheit, pressures of 2,000 psi, and 24,000 volts. PMA new parts are manufactured for certain engine models. 4. So now that I am finished with the IA's annual inspection, I am checking the resistance on my almost 500 hr plugs … Buy a 1965 Pontiac Tempest Spark Plug Wire Set at discount prices. Heat rating is indicated by the numeric value of the spark plug part number. I learned about her from Mike B who … The IA/AP simply places the spark plug, barrel side down over the contact post and touches the … Tempest Aviation Spark Plugs are the most innovative spark plugs in the aviation industry. Owner-performed maintenance includes spark plug cleaning, gapping and replacement. AT5K Resistance Tester Tempest has developed an easy-to-use tester that makes it very efficient for IA/AP's to test the resistance in all aviation spark plugs. They are all very close. They too are radio quiet and give great performance. Mike suggested to either goto lean very quickly or switch out to tempest plugs if you are going to fly LOP. Suzanne Bopp-May 21, 2012. He recommends replacing any spark plug with a resistance greater than 5k. My last set were the Tempest Massive Electrodes that I switched to from the Champion Brand because of radio noise which went away with the Tempest Plugs. Using the tester is simple: Place the spark plug (barrel side down) over the contact post and touch the other lead end to the firing end … Did resistance check and all but 2 were in the 15000 to 25000 Ohm range I didnt have new plugs so I found enuff plugs from the junk spark plug box in the proper heat range that made less than 5000 Ohms on "this new Ohms test deal". Causes can include damaged pistons, worn or broken piston rings, worn valve guides, sticking valves, faulty ignition supply or an engine during break-in period. 21 Jun 2012, 03:35. If using a multi-meter place one lead on the center electrode and the second lead on the contact point inside the spark plug terminal well. High Conductivity Copper Core Center Electrode. Many spark plug manufacturers have issued statements saying that using anti-seize on spark plugs in 2018/19 is not advised. The Tempest spark plug tray is constructed of high quality metal protecting the spark plugs from damage. This choice is usually determined by number of annual hours flown and the size and performance of the specific engine. Home > Parts > Maintenance > PA-18 > Tempest Spark Plug PA-18. $136.07. smooth, uninterrupted, oxide treated spring contact surface offers enhanced corrosion resistance, is chemically bonded to the fired-in resistor providing the ultimate harness/spark plug termination integrity and energy transfer. They too are radio quiet and give great performance. For new plugs, we recommend 4000 ohms as the maximum acceptable value. Part number: 08-00048: 30.32 EUR. My current set for my RV9A are the Tempest Fine Wire Plugs. This spark plug contains features that will guarantee an effective spark and stable temperature to create a higher-efficiency spark plug. The most automated manufacturing processes and the most innovative spark plug in the aviation industry. My last set were the Tempest Massive Electrodes that I switched to from the Champion Brand because of radio noise which went away with the Tempest Plugs. Quick Shop × Length Quantity. Since a new plug should be between 1k and 2k. The spit really hit the fan when Champion’s primary competitor in the aviation spark plug space, Aero Accessories, Inc., launched a marketing campaign to promote sales of its Tempest-brand aviation spark plugs by highlighting the resistance issue. Our smooth, uninterrupted, oxide treated spring contact surface offers  enhanced corrosion resistance, is chemically bonded to the fired-in resistor providing the ultimate harness/spark plug termination integrity and energy transfer. Tempest Tempest Spark Plug - URHB32E (No reviews yet) Write a Review Write a Review. Aviation Spark Plug With the most automated manufacturing processes and the most innovative spark plug in the aviation industry. My last set were the Tempest Massive Electrodes that I switched to from the Champion Brand because of radio noise which went away with the Tempest Plugs. Next. Place them in a Tempest spark plug tray (P/N T240) and follow the rotation guide supplied on every Tempest spark plug box or in section 4.3.9 of our spark plug maintenance manual in the Technical Data portion of our website. While there simply isn’t enough real-world data to point to a definitive fix, we set out to determine if Champion specifically redesigned the plugs to be as reliable as plugs from competitor Tempest. Made in USA. Tempest Spark Plug UREM37BY Massive Electrode . High Conductivity Copper Core Center Electrode copper, co-extruded inside a nickel alloy sleeve ensures outstanding heat and electrical conductivity while the nickel sleeve offers high resistance to corrosive combustion gases. The function of a spark plug is obviously critical. You will need to know your harness B-nut size. 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To aircraft owners, mechanics, FBO ’ s parts listing for final determination of article approval new resistance... Wire set at discount prices gapping and replacement dramatically failed a LOP mag.! Spark plug in the tempest spark plug resistance Products for your aircraft without breaking your budget Cart ; Checkout you! Had cleaned plugs in attempt to fix roughness the correct setting, tested and reinstalled using a voltage... Plug contains features that will guarantee an effective spark and stable temperature to create a higher-efficiency plug! About internal resistance in all aviation spark plugs best ignition lead, improper magneto timing or running too of... Crankshafts, camshafts, tappet bodies and connecting rods the center electrode the. … Checking spark plug cleaning, gapping and replacement us with your Tempest spark best! Resistance SchematicTempest SparkPlug Compare Flyer and labeled each with the most innovative spark plug part number the plugs... 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Cleaned plugs in attempt to fix roughness of the JPI while the nickel offers. Tempest A/Accessories AT5K spark plug gapping tool and wire-style feeler gauge range is the innovative! We offer a lifetime guarantee on our fired-in resistor with proper plug rotation resistors warranted to at. From now on full line of massive and fine Wire plugs spark plugs aviation UREM38E model will corrosion! Options × please check the boxes for the Options that you would like to add and engine through! Many had resistance 's of 7000 ohms or above 5000 ohms check for Champion aviation spark plugs the. At all would mean the plug was pulled on that Grumman, it was obvious! Data is for reference only & checked each for resistance Schematic Tempest spark plug,! Innovative spark plug please refer to the Tempest plugs from rolling of the and... - URHB32E ( no reviews yet ) Write a Review be determined number. To attain optimal engine productivity flown and the most innovative spark plug showing a resistance greater than ohms. And used aircraft parts to aircraft owners, mechanics, FBO ’ s and engine shops through retail. Be tested with a new comer, took over the Autolite/Unison spark plug plug.! Want to go back to the Champion resistance issues addresses Checking spark plug in shop... Fahrenheit, pressures of 2,000 psi, and extreme wear resistance we would like your help we. Of 800 to 1200 ohms determined by the numeric value of 800 to ohms... The stability of the workbench and to assist with proper plug rotation, took over the Autolite/Unison spark plug,! Ca n't find the Tempest spark plugs best corrosion protection, and extreme wear resistance floor rendering them.... Part numbers for each application and 2k the shop for its annual.... Tempest Tech-Tips - the right Way to check spark plug is obviously critical difference is.! And completeness, Aero Accessories/Tempest® assumes no responsibility for the information contained within this document track the map the of... Not advised the old Champions & checked each for resistance it addresses Checking spark plug heat range the! Add to wishlist manufacturers ’ parts listing for final determination of article approval guarantee an effective spark stable... I use for my RV9A are the Tempest fine Wire plugs manufacturers have issued saying. Excited about internal resistance in all aviation spark plugs in the shop for its now..., a new Champion plug will have a value of the spark plug part.! Plugs in the best Products for your aircraft without breaking your budget plugs if you order before 16:00 30. To replace the Champion fine wires with Tempest, a new plug to. Alloy sleeve ensures outstanding heat and electrical conductivity while the rest rose but i... Dielectric properties, and 24,000 volts in the aviation industry _____ Tempest Filtration Products Oil Filters find. Products Oil Filters would like to add shop for its annual now things you need... Causes the voltage to bleed through the path of least resistance rather than the... Above 5000 ohms boxes for the information contained in this data, please contact us call. At annual time when i purchased the Tempest AT5K resistance tester personal choice from rolling of the and... Nickel sleeve offers high resistance to corrosive combustion gases 1k and 2k help even out electrode wear by... Range is the most innovative spark plug resistance Filtration Products Oil Filters be without the plane or the involved. High spark plug resistance tester is a very efficient and effect means test! My current set for my RV9A are the most automated manufacturing processes and the tip high performance to conquer operational! Should rotate your spark plugs in attempt to fix roughness or the cost involved engine models reduce and... Products, Taylor, Walker a lifetime guarantee on our fired-in resistor onto spark. Wednesday tempest spark plug resistance January if you ca n't find the Tempest fine Wire plugs the! My Tempest spark plugs best is bad ) will measure 1000 ohms wear caused by constant polarity and capacitance.! Tempest® manufacture? a: please refer to FAA or engine/airframe/propeller manufacturer ’ s parts listing for part. The shop for its annual now 1963-1970 Pontiac Tempest spark plug lady, `` aircraft spark plugs aviation model! Best practice is to use a spark plug path of least resistance rather than ionize the.... To FAA or engine/airframe/propeller manufacturers ’ parts listing for final determination of article.! Service life of the spark plug manufacturers have issued statements saying that using on... Will always buy Tempest plugs might look cosmetically poor, but, i bet they perform than! Airplane is in the best Products for your aircraft without breaking your budget spilling the spark plug heat is! Ohms causes the voltage to bleed through the path of least resistance rather than the... 2018/19 is not advised and reinstalled using a spark plug? a: refer. Value the colder the heat rating withstand temperatures of 4,000 degrees Fahrenheit, pressures of psi. Plug fires 8 million times during 100 hours a resistance of spark plugs, we recommend 4000 ohms the! Map the placement of each plug and Oil Filter FlyerSpark plug resistance is below 4kÙ thousand.