Let's make sure we're showing you the right parts! Makes sense. Norton/SPEC:How a specific application responds to driveline inertia depends on vehicle weight, gearing, and engine power curve. eV/ .c}%&?i.csayH,/~D^U! }X2pF?Ui4+D9?zsz0k n'O|oF}O3I}oa-7|. Page 1 of 2 - Flywheel Clutch Balancing Information Help Please - posted in Injection Mini Specific - SPi/MPi: Again hello to all you good mini people and Spi lovers just nudging along with my build, getting to putting the box back on and then the flywheel and clutch As you can see from the pictures the original Spi flywheel is balanced with some serious little holes drilled out in strategic . Spec 3 and Fedenza, no balancing no problems. fyi - for stock bellhousings, you have to match the flywheel size with the bellhousing & the flywheel determines your clutch choices. Balancing_flywheel__pressure_plate_and_clutch - Mini Mania Late Model Restoration has no affiliation with Ford Motor Company, Roush Enterprises, Eaton, or Saleen. do you know how to set the ring end gap? This is the point we are trying to get across. Your dime do what you want but over the years i have seen and heard about many non Mini machine shops and their opinions of what needs to be done and not and the engine failures/problems soon after re builds. Next I will take in a new harmonic balancer to be balanced. Billet aluminum is suited well for the road course where you can have instant acceleration out of the corners. A neutral balanced flywheel or flexplate means that it isn't balanced out of balance or what is called "Detroit-balanced" like the 400SB and 454BB that are both "externally-balanced" engines. Is Resurfacing a Flywheel Necessary? - MotorBiscuit They have had run out in and out up and down. Clutch diameter: 10.400" Starter ring gear teeth: 153; Lightweight nodular iron . I would look elsewhere and for a knowledgeable Mini person to do my work if i were you, a Mini crank absolutely needs balancing don't do it and you will regret it down the road. I now have a noticeable vibration above 3000 rpm. Another broken crank would suck!. Our lightweight flywheels improve performance and assist with quicker revving. zildjian4life218 said: I just replaced my LS7 clutch that is in my car with a Monster stage 2. Jenkins/Fidanza:Avoiding premature-wear, ensuring correct operation and fitment, and clutch engagementare just some of the reasons a flywheel must be machined to a specific tolerance. Technically the 4.6 3V is internally balanced or a "zero" balanced motor. Our billet aluminum flywheels are a great choice for street performance vehicles, as well as, ones used in road racing, autocross, time . This route gives you an almost infinite lifespan for the flywheel, allowing it to be rebuilt multiple times without changing the dimensional features required for correct clutch operation. Now comes the next question, what materials do you want to use with what? When suspended with the marks 120 degrees apart, the unit hung to one side. Cause you know while you're balancing it, you could always take off a few lbs. lol, any race rules where you can "balance a flywheel" please they're shaving off every ounce of weight possible claiming it was necessary for balancing because no one is going to check the damn flywheel, After starting my tear down, i realized how bad my flywheel, PP, and clutch plate really is. Also replaced axles (Leobro's) No problems of this type before engine drop. Any time you're going to be using a clutch that has a puck typeface, semi-metallic, ceramic, doesn't matter. your best bet and the smartest thing for you to do is.. find the best machine shop around next take the block, crank, rod's, piston's. Chromoly flywheels are an excellent choice for any performance or stock build. They make/rebuild clutches with Kevlar and ceramic, and can balance the flywheel and pressure plate (not disc/diaphram). Changing a clutch in a car is never an easy task. This means the flywheel will not require any extra balancing after the machining process. Its a good idea in a high performnce application to balance the rotating assembly with the damper and flywheel. Steve (CTR). Copyright 2023 Endgame360 Inc. All Rights Reserved. 10046031 Flywheel Dowel (Big-Block) Highly recommended for all high-performance and competition Big-Block engines; 1453658 Bellhousing Dowel and Clutch Housing/Transmission . Any guidance would be appreciated. Do what you want to do. By the same method one could balance , theoretically one could balance the complete motor in place. These engines needed more weight to balance them so Detroit put some of the extra needed weight . %PDF-1.5 I just got my flywheel and clutch back from the machine shop. They are made from a durable one-piece billet chromoly steel or chromoly steel forgings. I guess that's why matinance records are so important when buying an older car especailly a 911. Our Chromoly lightweight flywheels have gone through and passed engineering tests up to 15,000-18,000 RPM.All our Chromoly Flywheels are heat treated for extreme durability and saves you money by resurfacing multiple times. For starters, you have your stock style, cast iron replacement flywheels. //damperdoctor.com/index.php?route=common/home. The whole assembly is then spun up to measure vibration, and the clutch cover (pressure plate assembly) is then balanced. The inertia properties of the flywheel can accentuate clutch attributes. Reply. All of our flywheels are SFI Certified which meet the top performance standards in the automotive and motorsports industries. Proper step and recess dimensions assure clean and consistent clutch actuation and promote maximum clamp load. I built my first Cooper S engine in 73/74 and when I started it and got it running perfect it shook so bad at certian RPMs I took it apart and had it balanced and installed new rings. Additionally, on the manufacturing side,we heat press, fasten and in certain applications even weld ring gears to our flywheels. I just had the Spec III put in my car using the stock flywheel. FOLLOW: They're average on price, around $40-50 to balance. PDF Installation Instructions for Clutches & Flywheels Norton/SPEC:Steel, aluminum,and titanium are most commonly used to manufacture a flywheel. 3912 Whittier BlvdLos Angeles, CA 90023(323) 269-6051. That said I agree with Steve and Malcolm about balancing the crank. Balancing a clutch assembly is crucial to its ability to properly function, and it all starts with a balanced flywheel. That doesn't mean the shop did like that, they could have made your 327 into an externally balanced engine, but I doubt they did that. No vibration before or after the 1500 rpm mark. Balancing a flywheel is very important for rotational integrity and safety, and drivability. There are a lot of different components to work with and remove before even getting to the clutch pack and when you finally do, you have to install the clutch and flywheel perfectly and then put everything back together so as to ensure you dont have to do the job again. If I was you, I would get the short block, take the crank out , at least ,( you should do the pistons too), and find a balance shop. The flywheel mates to the clutch pressure plate and crankshaft, and the pressure plate can decouple from the flywheel when the clutch is disengaged. The posts are mounted to the plate base which should be on rubber mounts to the feet. The flywheel can typically be resurfaced pretty easily and should be a relatively low-cost procedure. The larger balancing cones used on the static balancer came from No Mar as I remember (for their BMW motorcycle kit). For not a lot of money the crank could/should be done also. For starters, it provides the initial inertia to get the engine running and also provides the rotational inertia to keep it going, otherwise, the engine would stall when you lift your foot off the gas. This is the heavy spot. Crank flange bolt pattern/sealing arrangement. Clutch types. If the flywheel and clutch assembly are out of balance, noise, vibration, and harshness levels will dramatically increase,and will inevitably cause extreme damage to the engine, transmission, or driveline. Now that we know what a flywheel does, we can see just how important it is when it comes to the balance of the transmission, clutch, and even the engine assembly. Every piece also needs to be indexed so that you get back in the exact place that it was balanced. A flywheel that has become out of balance will cause a vehicle vibration that increases with engine speed. The lighter and smaller it is and the closer the weight is to the rotational axis, the quicker the engine will be able to reach its maximum RPM. The clutch plate/disc does not get balanced with the assembly. I need to take in my pressure plate and flywheel. 5.0Resto, SVE, LMR are registered trademarks of Latemodel Restoration Supply, Inc. Ford, SVT, Special Vehicle Team, Ford Mustang, Ford Lightning, Mach 1, Mach-E, Shelby GT500, GT350, GT350R, New Edge, Boss 302, 5.0, Cobra R, Fox Body Mustang, Ghia, Turbo GT, SVT Cobra, Cobra Jet, Bullitt, California Special, Cobra, GT, V6, S197, SN95, S550, S650, Dark Horse, F-Series, F-150, Triton, F150 Raptor, Raptor, EcoBoost, Bronco, Bronco Sport, Badlands, Big Bend, Black Diamond, Outer Banks, Wildtrak, and Sasquatch are all registered trademarks of Ford Motor Company. West Los Angeles. According to Vizards book crank balancing is fine if you have the cash and the time, but not really cost-effective. At one time or another, most of us have had to replace our clutch assembly in our vehicles; and we all know what a giant pain that can be. The friction surface material and inertia most directly affect how the clutch feels to the end user, and will ultimately dictate other factors, such as performance and wear life., Our flywheels are designed as a direct OEM replacement, which means they willmeetor exceed all factory tolerances. For a better experience, please enable JavaScript in your browser before proceeding. Check out the full installation of this SPEC Clutch on our autocross C5 Corvette here. off centered off balance. I would send ALL of it to a good machine shop & have it balanced together as a unit. Copyright 2021 action clutch. Please try again. It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. The factory . When I was in the biz 4 cyl balance was $125. It needs to be spun up and dynamically balanced. YES! This is also why companies manufacture heavier weighted flywheels. As received, a new flywheel from the factory should be balanced within some industry standard, like a few grams or a few ounce-inches. I sometimes feel I'm wasting my time talking to you guys. BALANCE & TRUING OF FLYWHEELS - YouTube There is a thread describing this on here. Granted, it does make for a smoother revving engine, that is assuming that it is out of balance in the first place. p.s. Balancing Flywheel and Clutch -- EB-102 Action Clutch lightweight aluminum flywheels are designed, engineered and manufactured in the USA. Should you need information on something not found below, there will likely be a little more research to be done. If you hold a chalk to the side of the flywheel by a fixed mount, it will leave a mark at the same spot as it rotates. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. This is done by adding weight to the outer extremities of the cover. Flywheel Balancing | Team Camaro Tech So the flywheel, clutch, and pressure plate were all replaced. Jenkins/Fidanza:Both styles of flywheel can be found on the market. Each flywheel option the company offers is manufactured for a specific vehicle application, and different driving habits. All of your factory flywheels were cast iron, six-bolt pattern, and also fifty-ounce imbalance. That component is the flywheel. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. Do it right once or continue payingits an easy choice really!! endobj SPEC utilizes high carbon-steel and grain-formed forged aluminum to manufacture its flywheel options, which we believe is the ultimate benefit in aluminum-alloy integrity. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Jenkins/Fidanza:It is highly recommended to balance the flywheel and clutch assembly together before installing them into the vehicle. front dampner and flywheel. Fidanza Performance applies a unique protective coating to identify any remaining oil or residue from its machining process to each of its flywheel and clutch assemblies. The flywheel also balances the engine as it is specifically weighted the engines crankshaft, and most importantly, the flywheel connects the engine to the transmission through the clutch in order to provide power to the wheels. Most lightweight flywheels can be used in both street cars and race applications. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. In the 25 years I worked at an auto machine shop I'd guess I worked on over 1000 balance jobs. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. engine side and face side. with stanchion tube ultra low friction oil. The balancing machine in the picture is supposed to have the piece being balanced spun , not too fast maybe 800 - 1000 rpm . That must be a clutch only price. We want to get to know you.Stay connected with us. Check with the vehicle manufacturer for testing specifications. However, we break down the pros and cons of cast iron, billet steel and billet aluminum pressure plates to guide you down the right path when making your purchase. They also do driveline repair. Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum. 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I'm sure there are more, that's who our shop and myself have used. The bike is back together and it is very smooth. let them pistons reach for the stars. PP and flywheel get balanced as an assembly, the disc does not.