Its rewarding work. There is also quenching, which is taking a metal part that is very near a eutectic (phase change) point and suddenly cooling it in an oil or water bath, perhaps even liquefied gas. Another cruical bonus, is that parts can be forged with less material for a lower weight, while still being stronger than an apples-to-oranges casting. There are internal tensions created within the structure, which ultimately resist sheer and tension stresses by having a reserve of counterbalanced "forces" due to the myriad of tiny forge-created stress nodes inside. Miata 5 speed transmissions seem to give up at around 250whp. View . Flyin Miata offers Wiseco pistons and Carillo rods for 1.6 engines, which are both considered . Includes 4 Pistons - Mazda Miata 1990-1993, 1994-1997, 1999-2005. There were cast and forged connecting rods. The Miata isn't necessarily a numbers car. Enjoying stage 1 still but who wouldnt want a bit more go? What are the differences between multi-link suspensions and double-wishbone suspensions? Choosing a selection results in a full page refresh. Piston Material: Forged aluminum. In high-horsepower applications and other cases where RPM and/or cylinder pressures (BMEP) are very high, the added expense of forgings is well worth it. We are delighted to have the parts to consistently run higher power levels (280BHP+) safely and will be shortly launching further BBR turbo stages (currently undergoing vigorous testing). We had also burnt out countless clutches during testing. Give it a half day or so. Recently Bought the Supertech Forged Pistons 10-5-1 compression for my Miata block. for 1999 Mazda Miata MX5. Comes with all connecting rods for your engine. A nice file to fit ring. Fits: 1990-2005 Mazda Miata with 1.6L and 1.8L engines. Having forged rods and pistons will be considerably more expensive, but their strength and lower weight would allow you to rev the engine a little higher. I'm sure somebody will chime in on this one. As a small team we try our best to keep up with the increasingly growing demand that the community has thrown at us. Manley Forged H-Beam Rods - Fab9Tuning Previously: '93 Eunos Roadster 1.6 (NA6CE) in Silver Stone. If you have product questions, order inquiries or you just want to chat with us about your Miata, give us a call! Hi Abdullah, the 2019 engine is under development, wed be happy to see your MX-5! There are many varieties and specs regarding . Extremely happy with the product I receive. Welcome to Motor Vehicle Maintenance and Repair! We suggest working wi Sold in specified sets of 8 or 16 to replace/install seals for all 8 exhaust valves, all 8 intake valves, or all 16 valves. There were cast and forged cranks, but I don't remember of ever hearing about crank issues. Reviews. Free shipping on orders over $40. It's pretty easy.. relatively satisfying and a great learning experience. Should I contact arxiv if the status "on hold" is pending for a week? 300 rwhp will bow gears out. Practicality and Cost of Reliable 300whp Turbo Miata? Account; team@5xracing.com; Home; Mazda OEM Parts; MIATA 1990-2005 NA/NB . The individual shims come with BP-BBP FITS: MIATA 1991.5-2005 Billet back plates use advanced CFD simulation and exacting 3D precision milling to create a blend of engineering and manufacturing that produces less leak by, less Price is for an complete valve set of 8 intake and 8 exhaust valves. They come complete with high-quality piston rings. I've heard of these for years and not fully understood the benefits, can someone elaborate? These will fit all Mazda Miatas from 1990-2005 These rods are rated for 400HP builds, and the full specifications are below. You can fill out the form . This kit fits all 1994-1996 Miatas Our Front Engine Replacement Kits are custom to your year Miata and include the following components: Gates Timing Belt It only takes a minute to sign up. This is the unfortunate reason why we have been holding back with further BBR turbo stages (we have two further engines like this from further stage development). There were cast and forged connecting rods. M-Roadster Vent Rings. IMPORTANT! Comes with ALL PISTONS for your engine (with rings, locks, and wrist pins included). Please read all of the information regarding the choices of pistons below. 5X Racing Miata Front Engine Rebuild Kit . MLS (Multi Layer Steel) gaskets Gates Racing Timing Belts are engineered to be incredibly strong and extremely heat resistant. Despite incredible gains in alloy and metal working technology, I still feel the only huge difference between the art of alchemy and the science of metallurgy, is that metallurgy actually works! Supertech Pistons for 1.6L Mazda Miata from 5X Racing. Filter: Availability 0 selected Reset Availability. ASSEMBLING MY FULLY FORGED MIATA ENGINE! - YouTube Showing 1 to 8 (of 8 total) CP Pistons Forged Piston Sets. Engine Internals for Mazda Miata MX5 - PRO Import Tuners.com A customer's 250 rwhp supercharged grenaded 2nd gear, but this was stock original 80K mile trans with many weekends of autocross abuse. Fits 1990 Shortnose Crank ONLY! Each entire reciprocating assembly might only weigh a few pounds, but image the stress if you had to throw that away from you and instantly jerk it back to you -- 15000 times a minute, 250 times a SECOND on a literbike or modern F1 engine. The good news, we have developed and produced our own parts again, teaming up with a leading European piston and connecting rod manufacturer, we are proud to exclusively announce SkyActiv low compression forged pistons and forged connecting rods. Excellent quality and great customer service. So one day I want to turbo my 2004 1.8VVT forged internals are not exactly cheap. Got my Pistons quick. Package includes: Mazda Miata ARP Pro Series 218-4701 Cylinder Head Stud Kit Mazda Miata ARP 218-5401 Main Stud Kit Mazda Miata ARP 118-6401 Connecting Rod Bolt Kit. K.G.Works Chrome Vent Knobs. r/Miata on Reddit: Can get a 1.6 with forged internals cheap. How much If you have product questions, order inquiries or you just want to chat with us about your Miata, give us a call! All rights reserved. All the gaskets and bearings required for an engine rebuild, right down to spark plugs and a tube of the best assembly lube for your bearings. 300 hp goal. Supercharger or Turbos? : r/Miata - Reddit Fits 1990 Shortnose Crank ONLY! Call or email us for prompt and friendly So, it depends on the component and its cost as to which is best. Email: customercare@proimporttuners.com. When i recived the pistons they were packaged very well and do indeed have cut outs in the skirts for oil squirters the only issue i had which was resolved easy by giving wiseco a call was the bore diameter spec was wrong the machine shop luckly was competent and caught it very happy with the product will adjust review after the build! Ordering and 9.0:1 Compression. Two attempts of an if with an "and" are failing: if [ ] -a [ ] , if [[ && ]] Why? What is the benefit of Forged Internals in an engine? Pistons, etc My only goal is to pace 5.0 Mustangs and thrash V6 Mustangs. 07/22/14. If you got into high boost and had detonation, you could easily crack a ring landing. How much boost can it take? Our ARP Main Cap Stud Kits include the appropriate amount of studs, parallel ground washers, and 12 point nuts for 1 engine. Cometic MLS Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. WELCOME TO THE FASTEST GROWING MX-5 PERFORMANCE SUPPLIER. First story of aliens pretending to be humans especially a "human" family (like Coneheads) that is trying to fit in, maybe for a long time? Sound good? Some complex parts can not reasonably made by forging . Fits 1994-2000 Mazda Miata 1. Price is for a Set of 4. How much boost can it take? Your source for Engine Internals for Mazda Miata MX5. The quality is top notch, they come with ARP Bol BP-SH-K FITS: MIATA 1989-2005 Miata pumps can now be shimmed in the comfort of your very own garage. All Rights Reserved. Choose your configuration from the drop down selector . The quality is top notch, they come with ARP Bol BP-SH-K FITS: MIATA 1989-2005 Miata pumps can now be shimmed in the comfort of your very own garage. Supertech Forged Pistons NC 2.0/2.3 - Fab9Tuning MERCH https://sammit.net/shop/FOLLOW ME @sammit01 Get excited! How could a nonprofit obtain consent to message relevant individuals at a company on LinkedIn under the ePrivacy Directive? These number sound right? NA/NB Miata Aftermarket and Performance Parts, NA Miata Engine Internals and Rebuild Parts, Browse NA Miata Engine Internals and Rebuild Parts, 5X Racing Cam Angle Sensor X-profile O-ring Upgrade for 90-97 Miata, 5X Racing Front Engine Rebuild Kit 1997-2000 Miata, 5X Racing Front Engine Rebuild Kit for 1990 Shortnose Crank Miata, 5X Racing Front Engine Rebuild Kit for 1991-1993 1.6L Miata, 5X Racing Front Engine Rebuild Kit for 1994-1996 1.8L Miata, ACL Crankshaft Thrust Bearing Set for Mazda Miata, ACL Race Series Complete Engine Bearing Set for Mazda Miata, ACL Race Series Connecting Rod Bearing Set for Mazda Miata, ACL Race Series Engine Main Bearing Set for Mazda Miata, ARP Miata Engine Hardware Upgrade Package, ARP Pro Series Mazda Miata Cylinder Head Stud Kit, Cometic MLS Head Gaskets for Mazda Miata 1.6L, Cometic MLS Head Gaskets for Mazda Miata 1.8L, Eagle Forged Steel H-Beam Connecting Rods for Mazda Miata, Fidanza Adjustable Cam Gears for Mazda Miata, Gates Racing High Performance Timing Belt for Mazda Miata, Gates Timing Belt Component Kit for Mazda Miata, Gates Water Pump for 1990-1993 Mazda Miata, King Connecting Rod Bearings for Mazda Miata, King Crankshaft Thrust Bearing for Mazda Miata, King XP Race Series Engine Bearing Set for Mazda Miata, Manley H-Beam Connecting Rods for Mazda Miata, Miata BP Billet High Flow Anti-Cavitaiton Backplate, Supertech Complete Valve Sets for 1990-1993 Mazda Miata 1.6L, Supertech Complete Valve Sets for 1994-2005 Mazda Miata 1.8L, Supertech Connecting Rods for Mazda Miata, Supertech Piston Rings for 1.6L Mazda Miata, Supertech Piston Rings for 1.8L Mazda Miata, Supertech Valve Spring Kits for Mazda Miata, Supertech Valves for 1990-1993 Mazda Miata 1.6L, Supertech Valves for 1994-2005 Mazda Miata 1.8L, Wiseco K554M785 78.5mm Piston Set for 1.6L Mazda Miata Turbo, Wiseco K554M79 79.5mm Piston Set for 1.6L Mazda Miata Turbo, Wiseco K554M79 79mm Piston Set for 1.6L Mazda Miata Turbo, NC MX-5 Aftermarket and Performance Parts, ND MX-5 Aftermarket and Performance Parts, NA Miata Engine Oil, Additives, and Service Kits. Starting at $669.84 we have the Mazda piston sets - forged - 4cyl mods you need, all with free shipping to the Continental US 48 States. Anime where MC uses cards as weapons and ages backwards. Mazda Miata B6ZE Performance Engine Parts 1.6 L (1,597 cc) B6ZE(RS) - (78x83.6 mm) - Developed for the Mazda MX-5 "Miata" (1989-93) and Mazda Familia sedan GS/LS Full Time 4WD(JP Only,1994-1998). **Engine internals can not be returned, regardless if the package has been opened. Its safe to say weve put more into development and achieved more with the current generation of Mazda SkyActiv G engine than anyone. Decrease quantity for Engine rebuild kit for 1.6 engines, Increase quantity for Engine rebuild kit for 1.6 engines, Gasket, oil pump (small nose engines only), Your choice of ACL Race or King XPG main bearings (depending on availability), Your choice of ACL Race or King XPG rod bearings (depending on availability). Overall the product is very well made. Phone: 888-977-6886, Includes 4 Pistons - Mazda Miata 1990-1993, 1994-1997, 1999-2005. Conditions, Main Cap Studs and Bolts (NOT Head Studs). Were enthusiast owned and operated. Agreed. Please consult with your engine builder on whether ACL is the engine bearing choice of 5X Racing for our race engines! The Fora platform includes forum software by XenForo. I'd love a set of forged Manly or Crower rods for my Saabaru EJ205 project, but $1000-$1400 is likely 4 or 5 times the cost of perfecly serviceable stock parts for a stock vehicle. How common are forged internals in modern factory turbo cars? You can ship things to me he. Features: Set of 4 Coated Pistons Wrist pins Includes Locks RINGS NOT INCLUDED Related Products Special Special circumstances can be reviewed by request but all internals will be returned to the manufacturer for inspection and a restocking fee will apply**. What are the benefits of a lightweight flywheel and why aren't they lightweight already? Oil Changes, Cooling System, Timing Belts, Service Bulletins. These are the same parts we use to build every motor that leaves Flyin' Miata. Motorsport Interior Trim. Items 1-46 of 46. This is great first question. The picture may not be completely accurate, so please read the list of parts below. Contact Us. We utilize our proven "Turbo Tuff" design and add 3/8" ARP 2000 cap screws. Castings are more likely to have manufacturing flaws than forgings or, in other words, there are more process variables in casting. Should I service / replace / do nothing to my spokes which have done about 21000km before the next longer trip? Your Miata has two cam gears (intake and exhaust). I.L. Miata I also ordered the wiseco rings to go with them. Scan this QR code to download the app now. put the head together yourself barry. This shim kit includes all 5 shims, and a brand new cotter pin. Browse NB Miata Engine Internals and Rebuild Parts Products. If you're looking to add more power to your car, CP Forged Pistons are a great way to help build your motor to handle it. Engine Internals. Mazda Miata BP4W Engine - Engine Builder Magazine These Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Your Miata has two cam gears (intake and exhaust). They are lead-free, making them environmentally friendly and user-safe. As an old guy ,I have a hard time understanding camshafts, pistons and rods made from powder , but most manufacturers use them. Castings are more likely to have coarse grain than a forging; That can be fixed with extra heat-treatment ( homogenization + normalize ) but that costs money. Is this still the boost limit with forged internals? My engine builder was impressed by the price and could not believe I got these brand new for the price I paid. Supertech Pistons, with this alloy, have withstood up to 42psi of boost, with alcohol, without any problems. Works Chrome Handle Rings. The best answers are voted up and rise to the top, Not the answer you're looking for? I believe I received them in two days. CP Pistons are known to be some of the strongest pistons available for your Mazda Miata MX5. 06/04/17. Please see our complete Valve Set offerings if you are looking to put together a full set of valves. Keep your Miata up and running. PRICE IS FOR A FULL ENGINE RING SET TO EQUIP ALL 4 PISTONS. Sadly, the SkyActiv has the weakest connecting rods we have seen! Instructions are not currently available. Copyright 2023 5X Racing. Fab9 has been nothing but an awesome experience. Special circumstances can be reviewed by request but all internals will be returned to the manufacturer for inspection and a restocking fee will apply**. This kit will provide everything you need to replace the timing belt and timing belt pulley's on your 1990-2005 Mazda Miata. NA/NB Miata Aftermarket and Performance Parts, NB Miata Engine Internals and Rebuild Parts, Browse NB Miata Engine Internals and Rebuild Parts, 5X Racing Front Engine Rebuild Kit 1997-2000 Miata, 5X Racing Front Engine Rebuild Kit for 1990 Shortnose Crank Miata, 5X Racing Front Engine Rebuild Kit for 1991-1993 1.6L Miata, 5X Racing Front Engine Rebuild Kit for 1994-1996 1.8L Miata, 5X Racing Front Engine Rebuild Kit for 2001-2005 Mazda Miata, 5X Racing Front Engine Rebuild Kit for Mazdaspeed Turbo Edition Miata, ACL Crankshaft Thrust Bearing Set for Mazda Miata, ACL Race Series Complete Engine Bearing Set for Mazda Miata, ACL Race Series Connecting Rod Bearing Set for Mazda Miata, ACL Race Series Engine Main Bearing Set for Mazda Miata, ARP Miata Engine Hardware Upgrade Package, ARP Pro Series Mazda Miata Cylinder Head Stud Kit, Cometic MLS Head Gaskets for Mazda Miata 1.8L, Eagle Forged Steel H-Beam Connecting Rods for Mazda Miata, Fidanza Adjustable Cam Gears for Mazda Miata, Gates Racing High Performance Timing Belt for Mazda Miata, Gates Timing Belt Component Kit for Mazda Miata, Gates Water Pump for 1994-2005 Mazda Miata, King Connecting Rod Bearings for Mazda Miata, King Crankshaft Thrust Bearing for Mazda Miata, King XP Race Series Engine Bearing Set for Mazda Miata, Manley H-Beam Connecting Rods for Mazda Miata, Miata BP Billet High Flow Anti-Cavitaiton Backplate, Supertech Complete Valve Sets for 1994-2005 Mazda Miata 1.8L, Supertech Connecting Rods for Mazda Miata, Supertech Piston Rings for 1.8L Mazda Miata, Supertech Valve Spring Kits for Mazda Miata, Supertech Valves for 1994-2005 Mazda Miata 1.8L, NC MX-5 Aftermarket and Performance Parts, ND MX-5 Aftermarket and Performance Parts, NB Miata Engine Oil, Additives, and Service Kits. NA Miata Engine Internals and Rebuild Parts - 5X Racing Convertible 10th Anniversary, Base, LS, Special Ed. Fits all Mazda Miata's from 1990-2005 Converts the OEM cylinder head bolt configuration to that of a high-strength stud/nut configuration to handle higher amounts of boost and for engines squeezin Mazda B6D 1.6L 1989-93 1597cc 80mm MLS Head Gaskets are comprised of mulitple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating. Is there any philosophical theory behind the concept of object in computer science? When Chris Graham and his client Clint went to Carolina Motorsports Park to test drive a 1999 Mazda Miata with a forced induction BP4W engine in it, the car had such great power and they had so much fun driving the track that they broke the gas pedal, literally. Please read all of the information regarding the choices of pistons below. Please study the kits and the valve specs within the information We're excited to welcome Supertech into the Miata connecting rod game! Can get a 1.6 with forged internals cheap. I won't even mention the cost of a forged crankshaft. This is HUGE in something like a connecting rod (plus a piston), where most failures are NOT due to compression from boost, but from tension stresses fatigue from changing direction after Top Dead Center. Automotive Engine Of The Week: Mazda Miata BP4W Engine Chris Graham, owner of Race Engineering in Salisbury, NC, recently finished building that Mazda BP4W engine for his client Clint's Spec Miata. Thank you for the great background on forging and explanation of some of the benefits of forged internals. We promptly decided to move to a twin scroll unit and never looked back, exceptionally low EGTs and excellent response, just not possible from a single scroll (ball bearing included). Finally, the pistons receive a phosphate dry lubricant coating to protect the rings against micro-welding and enhance lubrication on the skirt/cylinder area. Mazda Miata 2006-2015 2.0L Engine Ford Duratec 2.3L Engine (common swap) 21mm Wrist Pin Size - If your engine comes with 20mm pins, you'll need to use our Molnar Rods or other. Enjoy banner ad-free browsing with Mazda MX-5 Miata Plus. Requires Shipping: Item Requires Shipping Weight: 5.0 lbs. Supertech Pistons are manufactured from extruded high silicone, enhanced 4032 alloy (with additional Cu, Ni & Mg) that had low thermal expansion, excellent wear resistance and higher thermal conductivity. This typically followed by "annealing", which is a very controlled heating and slow cooling process which relieves SOME of the surface stresses that might lead to cracks or shattering. Please see our complete Valve Set offerings if you are looking to put together a full set of valves. : Hastings specifications for ring gap is .010 - .020 so anything measuring in that range is acceptable. Read the blog properly, if you don't nearly die from laughter with the dog posts there's something wrong with you. Regular price $549.00 USD Regular . Several heat treatments provide the piston with high tensile strength and evenly distributed hardness. Fits all Mazda Miata's from 1990-2005 Converts the OEM cylinder head bolt configuration to that of a high-strength stud/nut configuration to handle higher amounts of boost and for engines squeezin Mazda BP 1.8L DOHC 1994-97 1839cc MLS Head Gaskets are comprised of mulitple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating. PLEASE NOTE! Engine and Drivetrain. What are the Advantages & Disadvantages of a Boxer engine? The ARP rod bolts that we sell come as a complete "kit" that include enough bolts for all connecting rods in your engine. Way back in 2014 we began development on the current 2.0, turbocharged and developed camshafts before the UK had even seen the current MX-5/Miata ND! They are lead-free, making them environmentally friendly and user-safe. Free Shipping on Orders Over $155 Account. Choose your configuration from the drop down selector . Forging is a process where hot metal of the rough shape is then very forcibly squished by exact shape dies, severely compressing the metal or alloy molecules. Everything you need to rebuild your engine. - Flyin' Miata Ordering and Next stage is to get the head and block to the engine builder so I can get the tolerances checked. We offer parts for a full range of Mazda Miata, MX5 and Eunos Roadsters vehicles. Mazda Miata Piston Sets - Forged - 4cyl - Tunersports.com Great pistons! Kit (includes belt, idler pulley, tensio Our ACL Race Series Complete Engine Bearing set for Miata's will provide all necessary engine bearings needed for rebuilding your Miata's engine. Getting higher compression pistons also negates the need to shave the head to raise compression. Example, if a rod fails at high rpm and permeates the block. Please choose from the options in the Customize your Product dropdown and reference the part number descriptions below to see the details about each option. Available as a piston and rod set at a reduced combined price or individually, let the next level of SkyActiv tuning begin! Block had to be modified/bored, but he was happy and I will see how happy I am once the motor is fully assembled! I thought I would start a new build thread now I have the engine in my garage. These kits are configured to our specs using Supertech valves. Fits all years of Mazda Miata 300% stronger than OEM belts Designed for competition based engines and high-RPM use. Motors with a four-slot front crank pulley and a VIN of 209446 (built mid-1991) or lower are "short nose" engines and should select the appropriate base kit. It summarizes all points considered by MIATA/MIANKA. King AM-Series main bearings feature tolerance control up to plus or minus .0001 and are lead-free, making them environmentally friendly and user-safe. What's the maximum reliable boost/power I can get from the stock engine? A two or three step forging process yields a fine structural grain which are then submitted to several machining steps in state of the art CNC machines. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Interior Accessories & Protectors - Miata NA (1990-97) . Enabling a user to revert a hacked change in their email. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. Going any further in weight reduction suggests materials like titanium or exotic nanoparticle carbon metal composites yadayada, which are far beyond answering your question or my wallet. Please consult with your engine builder on whether ACL is the engine bearing choice of 5X Racing for our race engines! All pistons without any special notes are for stock bores - overs Sold in sets of 4 or 6. ), looks quite dirty as it only has 100 miles use. Amazingly the SkyActiv petrol engine has a great deal of misinformation surrounding the tuning and its limitations, still now in 2018! For a better experience, please enable JavaScript in your browser before proceeding. What forged internals to buy? : r/Miata - Reddit MIATA | Tool: Checklist All in-house failures have been experienced at 10psi or higher (yes this is with safe AFRs and zero knock, sadly we have another Mazda 3 engine yet to be taken apart with the same issue). Engine weakness aside the standard clutch will not take more torque than our stage one conversion. Price is right and had an amazing experience dealing with the folks from Fab9. Exhaust back-pressure Q on simple 2-stroke yard-equipment engines: Rotating dippers that throw oil into the pistons and cylinders, Citing my unpublished master's thesis in the article that builds on top of it, Elegant way to write a system of ODEs with a Matrix. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I received them for a great price, and in a very timely manner. 4 interest-free installments or from $65.96/mo with. Supertech Pistons for 1.6L Mazda Miata - 5X Racing Fits all 1991-1993 Longnose Crank 1.6L Miatas (how do it know? One "solution" is to make the tires the weak point of the car. Engine Of The Week: Mazda Miata BP4W Engine - Tomorrows Technician This creates similar strength properties, but should not be considered forging as the gain is shallow and typically does not extend through the part. Reviews. Can I trust my bikes frame after I was hit by a car if there's no visible cracking? King Engine Bearings MB5537AM fits these app Our King XP Miata engine bearing set includes a full set of King XP Main Bearings, full set of King XP Connection Rod Bearings, and a set of King Thrust Bearings to give you a complete engine bear Manley H-Beams are a great rod for 99.9% of all Miata engine builds, and is what we used in our Project Streetfighter 1999 Mazda Miata engine build. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. These will fit all Mazda Miatas from 1990-2005 These rods are rated for 400HP builds, and the full specifications are below. A entire forged reciprocating set (pistons, crank, rods) is likely to be upwards of $3500 on a 4 cylinder boxer that I'm familiar with.
miata forged internals