Mazda rx8 apex seals symptoms. Any one of those 3 goes bad and there is a great chance the engine could (or has) died. If only one apex seal broken it might start but very ugly. 115" thick, and you should be able to slide a . It’s an issue almost every RX-7 and RX-8 engine has or will face. To Buy This Genuine Mazda Part Now: ADD TO CART. Estimated availability: 01/01/70. 98. If the small "chamfer" on the edge Feb 19, 2024 · Apex Seal. RX-7 & RX-8: Known for their responsive engines due to efficient apex seals. A rebuild kit is $1k-$1. The Patent Pending, Iannetti designed, I-Rotary Metallic Apex Seal is manufactured to provide the highest performance and durability available for any high power or competition Mazda Rotary Engine. Running the thinnest oil, smallest apex seals and a very small injection rate made for a self fulfilling prophecy. Email Performance Tested Seals or call +61 401383763 NEW TO PERFORMANCE TESTED SEALS Apex seals for Mazda RX8 Renesis Engines now available. 2 Side Oil Seal Spring N225-11-351. Ask Your Own Mazda Question. This is the most common failure owners experience, because the apex seals are a wear item. One set of Apex seal springs is enough for one 13B 2mm engine. Application: Direct, Drop-in replacement for both 2 piece and earlier 3 piece, 2mm apex seals in all Mazda 13B engines manufactured from 1986-1995. Price: $29. The I-Rotary Metallic Apex Seal is the result of an extensive 24+ year research and development process: I-Rotary Dec 19, 2022 · The length of apex seals is also crucial, with the 1984-85 13B Race apex seals measuring 1. Add to your Wish List. The apex seals are on the tips of the rotor. Ships from Walser Mazda, Burnsville MN In my experience, the coolant seal usually fails before the apex seal on stock OEM (ie not rebuilt) engines. Manufacturer SKU: N3H1-11-C02F. See . Sale Price: $214. Emissions drove them to develop the first side exhaust port. Poor Compression Symptoms Associated to Faulty Apex Seals. All parts that go on the rotors – for a 2 rotor engine. 042mm – 0. 4% off) Sale Price: $116. As far as insurance companies are concerned, it’s a fuel-efficient 1. Fortunately, addressing hot rx8 starting problems These springs look the same as the earlier corner seal springs found in the RX-8 engine however the are not the same. On backorder. Apex Seal for 74-85 13B Rotors 3mm. While the piston rings in a traditional engine should almost never need to be replaced, apex seals wear out 2004-11 RX-8’s. Usually Ships Within 24 Hours, Unless on Pre-Order. Select a 2006 Mazda RX-8 Driveline 13B AT. Are apex seals the kryptonite of the Mazda Rotary engine? Seal integrity and coatings have come a long way in the last decade. 00 (inc VAT) Select options; Related products. When assembling a Renesis engine it is critical to install the engine rotors in their correct housing. Super Seal 2mm Apex Seals for Mazda RX-8 2004-2011 13B-MSP (Renesis) Engines. Usually a result of people trying to boost up their engines and chase high power, and either making some sort of tuning mistake or 12A Apex Seals, Corner Seals, and Springs 14 13B 2mm Apex Seals, Corner Seals, and Springs 27 13B 3mm Apex Seals, Corner Seals, and Springs 18 Rotor Kits - All Parts on Rotor 10 Rotor Side Oil Seals, O-Rings and Springs 15 Side Seals and Side Seal Springs 13 Ok so here is how I install apex seals on rotor before installing them in the engine. Idling or cutting off problems. Weight. Mazda worked hard to balance the requirements of the times. This allows the sealer to be brushed onto each component with relative ease. Opens in a new window or tab. 66 (inc. This kit includes the following OEM parts: 6 Apex Seals N351-11-C00C Sep 14, 2021 · Blow one apex seal and you’re done. These will not work for earlier 2mm rx7 engines. SKU: 01-9103-0000. See relevant content for pineappleracing. Hard cold starts. We recommend . Aug 3, 2021 · When the apex seals between the triangular rotor and its circular housing break down, a rotary engine burns oil and loses progressively more compression. This allows pressure to escape during Low Compression. Based on our experience, with the engine "hot", the compression pressures for a healthy engine are as follows: - Normal compression - 110-150 PSI - Minimum acceptable pressure - 75 PSI Ceramic Apex Seal, 13B 2mm 1 Pc Gold. Shop with Confidence Your information is safe. Genuine Mazda Part - N3H111C00J. Set of six Genuine Mazda Apex seals. Also, apex seals may not be the most Apex seals. These are designed to take more abuse then stock apex seals, they are competition aftermarket Apex Seals. Talk to RX8 owners at your local Cars and Coffee, read informative guides like this one, and explore car forums before installing any upgrades — doing these things will definitely point you in the right direction. $ 16. 99 £ 420. Apex Seal wear, is the primary cause of low engine compression. Replacing apex seals requires disassembling the entire engine. 99. Please note that this May 22, 2024 · A rotary engine with a worn apex seal tends to run underpowered due to poor compression. We are experiencing longer than normal delivery times on some limited availablility items due to worker shortages across the country. Currently in the process of a rebuild and streetport. 73. 5k for gaskets, seals, etc. Therefore, if it fails, it can lead to several problems as outlined below: Loss of compression in one or more engine chambers. Mazda learned a lot from this experience and that led to Goopy Performance 2mm Apex Seals for RX-8 Sale! £ 439. May 27, 2021 · The stock seals will “seal” better and last longer if you never exceed 8,500 RPM (RX-8 – 9500 RPM) and don't run the engine highly supercharged (not exceeding 12 psi of boost). Part Number: 30115. 95 (inc VAT) Select options; Genuine Mazda Corner Seal & Plug Set for RX-8 £ 170 86-95 Rx7 13B 2mm Atkins Apex Seal Set (ARE13-2) These will not work with a Renesis Rx8 engine. Aboutt:The Super Seal brand apex seal was introduced in 2005 as higher performance option to the very successful Upgrade your RX-8 Rebuild Kit with Goopy Performance Apex Seals instead of the Genuine Mazda seals. Discount: $44. 575 inches. Information Specifications Reviews. SEAL,APEX 2006 Mazda RX-8 Browse SEAL,APEX for your 2006 Mazda RX-8 . Mazda OEM APEX SEAL, 13B 74-85 for Rotors with 3mm Apex Seals (or later rotors that have been cut / machined for 3mm seals) SKU: 11-300A-N304. Shop 2004 Mazda RX-8 SEAL, APEX. APEX SEAL CERAMIC, 13B 2MM 1PC GOLD. Noticeable reduction in In Stock (989 items available) Add to Cart. It might be worth cleaning the air filter if it's dusty. Guaranteed Fitment Always the correct parts. Rotate it until one apex seal is pointed "up" (away from you) relative to the other two. Free shipping. Qty: Renesis Engine Rotor Seal Kit2004-2011 13B. 5 years the car has completed many meetings Buy from Our Distributors Here. CORNER SEAL, ALL ROTARY 76-85 (and all) with 3mm Apex Seals. 0015″ feeler gauge into the rotor apex slot Atkins Designed Competition Cryo Treated Renesis Rx8 Apex SealsAll of our apex seals are heat treated, these are cryo treated as well. Six Mazda OEM Rx8 Apex Seals, springs not included. Single vs Dual Exhaust Mazda OEM corner seal for all 86-95 rotors with 2mm apex seals. Sep 1, 2023 · RX8 Engine Problems #7: Apex Seals. 575 inches and the 1986-88 13B Non-turbo apex seals measuring 1. Faulty Apex Seals Cause Poor Compression Symptoms APEX SEAL SPRING, 13B 04-11 OUTER for RX8 Rotors. These corner seals are a great upgrade to the earlier wire corner seals found in pre RX-7 FD engines such as the S4 and S5 engines from the RX-7 FC. You should budget a minimum of $3k for the engine alone. Brand New. Includes: 1x SCR Apex Seals Set - SCR-RX8. Suitable for all Mazda RX-8 4Port and 6Port Renesis engines of all years. RX-8s for 2008 Goopy Performance Apex Seals. 00 - $375. Rebuild it would be a good start. SKU: 11-C02F-N3H1. Our Price: $69. Solid Corner Seals, Cryo Solid Corner Seals NEW TO PERFORMANCE TESTED SEALS S olid 2mm corner seals to suit 13b and 20b engines. These seals typically last between 70,000 to 130,000 miles, depending on the quality of the product. Our oversized 12A 3 mm seals measure . Sold as a set of 6 these are a direct replacement Apex seal to fit, RX-8 192-231-Auto and R3 engines. Specification. Buy from Our Distributors Here. The cat disintegrates and clogs the exhaust, causing a localized hot spot near the exhaust ports. Cat failure is usually caused by failing ignition components causing misfires. 0015″ suggested clearance. Email Performance Tested Seals or call +61 401383763 Continuous low cranking compression pulses strongly suggest the failure of at least two apex seal, corner seal and/or side seal sets. If youve never done it before your best bet is Dec 31, 2023 · Super Seal 2mm Apex Seals for 20B (9 Seal Set) $374. Compatible with both 2mm and 3mm apex seal applications. Sep 12, 2023 · The apex seal is a crucial component in the design of rotary engines. pineappleracing. 075″ thick and you should be able to slide a . We recommend finding a technician who speaks rotary. 09 (27. Sold as a set of 12 Jul 14, 2015 · You have to take the whole engine apart to do it. Jun 16, 2022 · RX8 Buyer’s Guide: This Mazda’s Best Years. The next item on our list of RX-8 components is apex seals. APEX SEAL SPRING SET FOR MAZDA RX7 AND RX8 1986-2011. The rotary engine in the 2004 through 2007 RX-8 suffers from especially weak apex seals, which wear out quickly. The two piece ATKINS 2mm Apex seals have wider corners and thus protect the rotor housing (trochoid). 4 Rotor Oil Seal Pair N3Z1-11-S10A. Ianetti Ceramic Seals. $355. ROTOR KIT CERAMIC APEX SEALS, 13B 2MM SEALS. Broken apex seals have a habit of damaging housings and rebuilds will cost more than a reman. This item when added to your shopping cart along with your chosen engine rebuild kit will cover the price difference between Mazda Apex seals out kits usually ship with and the additional cost of the Goopy Performance seals. Price. 2006 Mazda RX-8. Our 2 mm apex seals are . Set of six Genuine Mazda Apex. Priced Individually. 12A Apex Seals, Corner Seals, and Springs 14 13B 2mm Apex Seals, Corner Seals, and Springs 27 13B 3mm Apex Seals, Corner Seals, and Springs 18 Rotor Kits - All Parts on Rotor 10 Rotor Side Oil Seals, O-Rings and Springs 15 Side Seals and Side Seal Springs 13 04-11 Rx8 Side Housing Inspection Apex Seal Groove & the Apex Seal Clearance Standard Max 0. Feb 10, 2021 · SSV solenoid only $10 https://amzn. Description. $ 137. N201-11-300B-K. RA 13B 2mm and 3mm Super Seals. 01. Genuine Mazda Front Main Oil Seal for All Years £ 23. The I-Rotary Metallic Apex Seal is the result of an extensive 24+ year research and development process: I-Rotary MAZDA RX-8 RX8 SE3P APEX SEAL ROTARY ENGINE 1PC N3H1-11-C00J GENUINE OEM (For: Mazda RX-8) Opens in a new window or tab. How To Install RX-8 Spark Plugs Correctly with 2 Trailing Spark Plugs on to Upgrade your RX-8 Rebuild Kit with Goopy Performance Apex Seals instead of the Genuine Mazda seals. These are thin pieces of steel that seal the edges of the rotary engine’s rotor against the housing, ensuring proper compression. $37. Set of six 12A 3mm Stock OEM Mazda Apex Seals. We have, on numerous occasions, seen premature and excessive side housing wear when customers used aftermarket (meaning NOT OEM Mazda) corner seals. Six short and six long 2mm apex seal springs for all 86-11 Rx7 and Rx8 engines. You will earn 479 points with this purchase. SKU: 11-C060-N3H3: Manufacturer SKU: N3H3-11-C06 $ 7. SKU. Feb 21, 2024 · RX-8 Mazda Rotary Power Seals Apex Seals. N326-11-C04A. Our 2 mm ROTOR KIT, 13B 86-92. 84K views 7 years ago. The seals are designed to work with OEM dual springs. The apex seal material composition is another critical factor, as it determines the seal’s durability and performance characteristics. The material for these seals has been developed by David Atkins over his extensive racing career in order to exceed stock apex seal life and durability. SKU: 11-C20A-N326. 118″ (+ / – . This makes these High Performance Apex seals not only ideal for any Turbo or Supercharged RX-8 but also ANY standard or tuned normally aspirated Renesis engine. SKU: 11-3210-N225. com currently does not have any sponsors for you. Mazda OEM APEX SEAL SPRING, 13B 04-ON OUTER for RX8 Rotors. We've taken our standard Apex seal to a new level. 020″, you may benefit from our oversized 2 mm seals which will allow you to re-gain the . Upgrade your RX-8 Rebuild Kit with Goopy Performance Apex Seals instead of the Genuine Mazda seals. Using a proprietary base material, Classic apex seals are designed to provide quick seating and exceptional sealing against even well worn housings, while providing high bending strength, heat resistance, wear characteristics and overall toughness. You will need several tools. Possible Fixes: Unraveling the Solutions. South Florida to anchorage Alaska in 5 days. All of our apex seals are heat treated. Sometimes it's the oil control rings. $250. 003” (0. Savings: $27. These are 2 piece apex seals, they come super glued together with the tip from Mazda. Rotors and related parts. Leaking vacuum line, gunked up injectors, and of course, the 3 different types of seals lining the rotors. 04-08 Rx8 Rebuild Kits; 04-08 Rx8 6-Port Master Rebuild Kit (ARE158) No Apex Seals, Mazda Apex Seals; Corner Seals. Add to cart. Transmission, ROTORS - OEM Mazda Part # N3H1-11-C00H (N3H1-11-C00J, N3H111C00A, N3H111C00H) MAZDA PARTS ONLINE. If the apex seals wear down or break, the engine will lose compression and power. 001″). ” Most manufacturers treat these seals with heat for maximum efficacy. Feb 16, 2024 · Loss of compression is a common symptom of failed apex seals. These seals have the ability to retain oil better, and the anti-galling surface sacrifices the lubricating layer during the initial contact and abrasion, while a work-hardened surface is In Stock (989 items available) Add to Cart. These are designed to take more abuse then stock apex seals, these are competition aftermarket Apex Seals. Manufacturer SKU: N304-11-300A. Mazda RX-8. Price: $2,355. Loved by few and hated by many — it’s easy to see why that’s the case with Mazda’s quirky quad-coupe. 82. $498. $25. APEX SEAL SIDE PIECE, 04-ON 2MM, RX8 Apex Seals. Apex Seals are the life blood in a rotary engine,. C $348. What is the best way to tell if my apex seals are broken? So, here are a few signs that a rotary engine-powered vehicle’s apex seal is bad. They are made out of a harder material to start with and with our dry lubricant impregnated Black Satin coating will provide faster seating and longer life. The first ones were 3mm wide and made of carbon, and for street driving, they led a lot of motors to fail. 4 Rotor Side Oil Seal 1202-11-343. There is a series size (0. 0017” – 0. Our 2 mm About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Description. 13B REW, very 2nd hand rotor housings, Borg Warner EFR9180 at 30psi, E85 fuel, 650RWHP. powersealsapexsealsusa (63) 100% positive; Seller's other items Seller's other items; Contact seller; US $345. May 12, 2014 · Asked by Nadine May 12, 2014 at 03:41 PM about the 2004 Mazda RX-8 RWD Question type: Maintenance & Repair I am trying to see if the seals are in good shape because the dealer said it may not need a new motor if the person who changed to spark plugs might have put them in wrong in shich case it would only cost $160. Make sure this part fits your Car. Sale Price: $182. 17. The automatic cars from 2004-06 were highest risk. If your rotor slot measures . Add to Cart. 99 – £ 26. Be the first to review “MAZDA RX-8 APEX SEAL + SIDE SEAL + CORNER SEAL W/SPRINGS for 2x ROTORS – RX8 13B” Cancel reply Your email address will not be published. Many many things can cause an Rx8 not to start. When the engine is hot, the seals in the rotary engine of the RX8 can become less effective. 077mm) Apex seals. Apex Seals - Mazda (N351-11-C00C) 1986-1995 Mazda RX-7 - n35111c00c. $400. Manufacturer SKU: N225-11-321. 3 mm 13B Goopy Apex Seals are . To determine which are the "front" and "rear" rotors, place one rotor in front of you, flat on the table, gear side up. Manufacturer Warranty Minimum of 12 Months. We have customers running 7 second quarter mile times Oil doesn’t stick to petrol, bore wash is literally the un-burnt fuel washing away the oil layer designed to lubricate your RX-8’s seals and the resulting lack of lubrication causes a chattering and thus excessive wear to the seals and other internal components as well. But what do Apex seals actually do? 04-11 Atkins Designed Competition Renesis Rx8 Apex SealsAll of our apex seals are heat treated. 44. N3H3-11-C06. Mazda OEM RX8 Apex Seal Corner piece – included with a new apex seal. Power Seals are High Quality Race Proven Apex Seals for Rotary Engines. We are pleased to announce that by becoming the UK distributor for Goopy One 04-11 OEM Mazda Rx8 Apex Seal & Tip. Also available for the RX-7 engines these seals can be included in your Essex Rotary engine rebuild upon request at a small additional cost. This hot spot causes the coolant seal to fail. In-House Experts We know our products. This is by far the easiest way of installing them. OR. Manufacturer SKU: 0000-01-9103. Top Rated Seller Top Rated Seller. The RX-8 has a rotary engine which requires apex and side seals to seal off the “combustion chambers” within the engine. Apex Seals - Mazda (N304-11-300A) MSRP: $160. 0. 2004-2011 Mazda RX-8 part # N3H1-11-C00J - Apex Seals. 3-liter four-door sedan. ROTOR KIT, 13B 86-92 All parts that go on the rotors – for a 2 rotor engine. Over the last 2. 2022 Mazda 3 2. : Product Code: N3H1-11-C00J-55714. We have street and race application Apex Seals that can be used for daily driven vehicles to full blown drag racing monsters! Our Apex Seals are proudly made and designed with a rigorous research and development. RX8 Genuine Mazda Apex Seals. They won’t necessarily help if the surface they mate up to (housings) is in bad shape. But little do they know that the rear doors are basically a gimmick and that it’s powered www. $5k if you want a really good one. As the car is driven these seals will eventually wear down, and carbon deposit is can form on the side of the engine causing leakage between the combustion chambers and changing engine geometry. 50 (inc VAT) Add to basket; Royal Purple Max-Tuff Synthetic Engine Assembly Lube £ 8. Eventually, the engine must be removed and rebuilt or replaced. com. 00 AUD per seal. Return Home Select New Vehicle. Add first review. Check wiring and see if anything is in bad shape, give it a new battery, prime the carb, and modulate the throttle when attempting to start. Don’t have the highest miles but a guarantee I’ve taken the longest road trip in a rx8. Ships from Jim Ellis Mazda Parts, Marietta GA Feb 17, 2024 · Item: 2mm Super Seal, Set of 6. These seals are running - season after season - in some of the fastest rotary cars in the world. 00 to repair what they call a If it's actually apex seals, you're going to pay $3000 (+ shipping and/or core) for a Mazda remanufactured engine from Promazda parts. Rotors. Jan 11, 2024 · The seals are designed to work with OEM dual springs. 00 ADD ». The material for these seals has been developed by David Atkins over his extensive racing career in order to exceed stock apex seal life and durability. Mazda Mechanic: Wayne Crawford. 4 Rotor Side Oil Seal 0820-11-341. "Blowing an apex seal" is more commonly caused by predetonation. Early Rotary & 1979-85 Mazda RX-7: Engine Rebuild Kits: Engine Rebuild Kit - 84-85 RX-7 13B GSL-SE - Price: $2,071. to/3pk42mDMazda RX-8 Related Service videos 1. 0. Learn about the 4 main symptoms of worn apex seals. N326-11-C06C. As apex seals wear down, they can no longer create an effective seal against the chamber wall. In Honor Of Memorial Day We Will Be Closed Monday May 27th !! Apex Seals - Mazda (N351-11-C00C) OEM Mazda Apex Seals For 1986-1995 Mazda RX-7. 0 out of 5 stars. These Mazda rx-8 compression problems may then lead to reduced engine power/power loss, poor performance, and even Mazda rx-8 problems with starting. Corner Seal Rubber for 74-85 w/3mm Apex Seals. $83. Ships from Jim Ellis Mazda Parts, Marietta GA May 14, 2020 · Recently we inspected the first set of I-Rotary apex seals to come into NZ back in early 2017. Qty: In Stock (813 item available) Add to Cart. The Mazda RX-8 is a convertible. Hylomar not only improves the sealing of the rotor housing »more. 0 Sedan. Oil. List Price: $97. Priority Pre-Order this part to ship as soon as available. 00. We strongly recommend using new apex springs. This kit includes the following OEM parts: 6 Apex Seal Ceramic 0000-01-9103. Not rated yet. Supplied with springs, prices are per each. 12 Corner Seal N326-11-C20A. Dump a bunch of gas in the carb, crank that son of a Bitch. Details: - SCR Race Seals can handle more heat than the standard Mazda Seal. You need to remove and disassemble the entire engine. 95. In a vehicle that uses a rotary engine, such as the popular Mazda RX-7, apex seals are a constant source of frustration and usually one of the first parts to fail in an otherwise very reliable engine design. South Coast Rotary Powerseals to suit Mazda RX8. Manufacturer SKU: N326-11-C20A. Housings are another $850 each (there are two). Special thanks to South Coast R Aug 26, 2021 · Really, the problem with blown apex seals seems to be unavoidable. Apex seals are a notorious problem for the Mazda RX-8. You might hear Mazda owners and mechanics refer to these seals as “scrapers” or “compression seals. See below for apex seal specifications. RA Super Seals are Rotary Aviation's claim to fame!! Designed for high performance race, street and track cars, they welcome the abuse of high turbo and nitrous abuse. N3H3-11-C04. 00; Add to Cart. I see so many people Apex Seal Rotary Mazda RX8 HARGA UNTUK SATUAN N3H1 11 C00J Barang Asli Mazda Genuine Parts Barang Baru lebih baik untuk memastikan sendiri dengan kode nomor part yang dibutuhkan, karena jika tidak cocok maka barang tidak dapat dikembalikan. So, here are some signs that the apex seal in a rotary engine powered vehicle may be bad…. Qty: Addtional Photos - Select to Enlarge. CORNER SEAL, ALL ROTARY 86-95. Goopy Performance Apex Seals. 5. Fitted to Ryan Dorricott’s FD drift engine this was always going to be a good severe conditions test. These seals have the ability to retain oil better, and the anti-galling surface sacrifices the lubricating layer during the initial contact and abrasion, while a work-hardened surface is May 5, 2020 · How do I know if my apex seals are bad? A damaged or faulty apex seal can cause a host of problems. On all the engines we have built over IMO engines (even S2) past 150k miles are incredibly rare, with the majority doing 80-100k. Genuine Mazda Part - N3H311C04 (N3H3-11-C04, ). OEM apex seals, Mazda has had a lot of experience in seal technology since they first came out with the Rx2 (or even the Cosmo or R100 10A motors) in its twin dizzy configuration. It gets a combined EPA-estimated 19 miles per gallon. 13B MT {{TotalCount Mar 5, 2024 · Apex seals play a pivotal role in these engines by sealing the combustion chamber, ensuring efficient power and maintaining the integrity of the engine’s performance. 2 lbs. 0015" of clearance between the apex seal and the rotor slot for all applications, boosted or naturally aspirated. The misfires dump unburned fuel into the cat, where it burns, and damages the cat. Horsepower: Direct correlation with apex seal condition; worn seals equate to power loss. 018″ – . When building a high-performance engine, use the most recent model apex seal/rotor housing combination for your engine series. Mar 26, 2020 · What are symptoms of worn apex seals on a rotary engine? Learn about the 4 main symptoms of worn apex seals. Mine has 184k miles. May 1, 2016 · 1K. 84. 075 ") to choose from. UK VAT) Genuine Mazda Apex seal set. Required fields are marked * This makes these High Performance Apex seals not only ideal for any Turbo or Supercharged RX-8 but also ANY standard or tuned normally aspirated Renesis engine. 72 £479. Qty. The 2011 RX-8 has inventory prices ranging from $6,660 to $6,972. In an RX7 or RX8 13B, they're known to go out causing expensive damage. £399. 79. Scope of delivery: 1 set of Apex seals consisting of 6 two piece seals Vehicle Specific. hey is there any type of tool we need, to do this apex seal. 81 Spring, apex seal. Frequent misfiring. 40 CAD. 0015" feeler gauge into the rotor apex slot with a new apex seal. Rx-8. Low compression can result in insufficient pressure within the combustion chambers, making it difficult for the engine to start, especially in warm conditions. ex co ga jo lu ud tp xd nn nj