It will be set up in a spin balancing machine to be run up to a speed of several hundred RPM to measure vibration. I think that I will buy a new harmonic balancer, they appear to be cheap anyway. BALANCE & TRUING OF FLYWHEELS - YouTube Balancing Flywheel & Clutch - Pelican Parts Forums Any of your stroker motors or engines that have had custom balancing work done are typically going to take a twenty-eight-ounce imbalance, but it could use a zero neutral imbalance. 440 flywheel & clutch questions - For B Bodies Only Classic Mopar Forum dogdo yourself fav. The threaded rod of the static balancer are inside of some .250 wall thickness tubes, which helps reduce deflection and also aids in rotational surface against the bearings on the static balancer. Hovsepian/Quarter Master: Whether it's a lightweight or neutral weighted flywheel, it must be balanced no question about it. Dan Jenkins, Fidanza Performance. Jenkins/Fidanza:Although a lightweight aluminum flywheel in certain instances is sufficient, enthusiasts may need a flywheel with more mass, or even one that has less mass than a standard aluminum lightweight flywheel. The billet steel will also work great in a stock application if you just have to have the best of the best for your car. let them pistons reach for the stars. Yea,..you have to have everything that rotates including the washers and bolts and..andand send it to the shop and watch them balance it with the crank and all the parts attached to the crank. If in doubt, flat out. Check out this cutaway of an Optimum-SR clutch from Quarter Master which features a billet aluminum lightweight flywheel. As with most things, there are going to be trade-offs. 3912 Whittier BlvdLos Angeles, CA 90023(323) 269-6051. Norton/SPEC:SPEC flywheels are precision-balanced before shipment, as well as balance-checked after being paired with a clutch assembly, which is also balanced after production. for a new computer driven machine. If you put a 28 oz flywheel, one that has a 28 oz weight tacked on somewhere on the outer circumference of the flywheel , the motor will vibrate like mad, eventually breaking something. Out of the box, the LCE flywheel was out of balanced around 36 grams (approximately) as I remember. Balancing a clutch assembly is crucial to its ability to properly function, and it all starts with a balanced flywheel. In the literal sense, a flywheel is a large metal disc that usually made out of cast iron, steel, or aluminum and its usually thick and heavy to prevent warpage during use. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. However, that same flywheel would warp or even flex under the load of a larger style diaphragm clutch. We want to get to know you.Stay connected with us. The manufacturers we involved in this article have dedicated an immenseamount of research and engineering to develop a high-performance, highly capable flywheel for virtually any application imaginable. All I have seen are junk. I need to take in my pressure plate and flywheel. They are made from a durable one-piece billet chromoly steel or chromoly steel forgings. Makes sense. Norton/SPEC:Steel, aluminum,and titanium are most commonly used to manufacture a flywheel. In the 25 years I worked at an auto machine shop I'd guess I worked on over 1000 balance jobs. That must be a clutch only price. Colin Chapman. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. Free shipping on all orders $100+ Lower 48 states only. I guess that's why matinance records are so important when buying an older car especailly a 911. endobj Saleen is a registered trademark of Saleen Incorporated. C5 Corvette Clutch And Flywheel - Vette Magazine - MotorTrend This s a big reason but not the only one why serious racers build niter ally balanced engines as then all that needs to be done to interchange parts like the flywheel or flexplate . That component is the flywheel. Great for a road racing application, andnot so great on the street or drag strip. I now have a noticeable vibration above 3000 rpm. It is a small block LA Motor with a mild camshaft backed up by a 833 4 speed trans. You may not need much weight then to balance. Have you tried to spin it with the presure plate moved around one hole at a time untill you find the best spot first? .Bi@f|nsK_A2^xMxTL-''P EU4Y#~'iwfR?Ny?|yE]EJ^yZ?6O&_'@g Jenkins/Fidanza:The most common material types includesteel, aluminum, and nodular iron. Flywheel Balancing | Hot Rod Forum When it comes to flywheel options, more specifically, a lightweight flywheel, many enthusiasts worry about the issues associated with them. Ideas or links to other posts welcome. Depending on the severity of the imbalance, it could lead to serious damage to the entire driveline if the issue is not addressed. Cobra Make, Engine: Contemporary with 482 KC/SO, TKO600,IRS Jag/AMP, 3.54 Salisbury PL, Now that I have to order a new shortblock to replace my busted Pond sideoiler by courtesy of Eagle Cranks I have to separately balance the flywheel with the pressure plate attached, and also the harmonic balancer. I try for the very best result. (REGISTERED USERS DO NOT SEE THIS POST/AD! Hovsepian/Quarter Master:Whether its a lightweightor neutral weightedflywheel, itmust be balanced no question about it. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. As dear old dad said advice is worth what it costs you and this I give you free. You may want to go ahead and step up to billet steel. 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. DIY Dynamic Flywheel Balancing - YouTube This is, of course, after the flywheel has been balanced as well. YES! This is the heavy spot. The two main types are those with a replaceable friction surface allowing for easy replacement and rebuild, and those that are more conventional having a friction area that can be resurfaced within factory specifications. Most flywheels we produce are designed as a neutral, or as close-to-zero balance as possible, and are independently balanced to ensure they meet the criteria set for proper balance weight and are within the allowable tolerances. SPEC maintains a one-one-thousandth machine tolerance to assure a perfect rotational integrity, fast clutch seating, and maximized drivability. Most lightweight flywheels can be used in both street cars and race applications. , 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. 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