how to balance a flywheel and clutch

Whether youre searching for a flywheel application for drag racing, autocross, road racing, or a daily driver, well help make your choice easier by discussing different materials and manufacturing processes. Hovsepian/Quarter Master:Because the flywheel is a constantly movingmechanical component, and is a sequenceof the drivetrain, specific tolerances are required to maintain the balance and alignment with theadditionalmoving parts in the drivetrain. Car is an 1986 Cutlass with a 6.0L LS engine and the transmission is a T56. Any usage or mentions of these terms throughout our website and print ads are used for identification purposes only. Living in San Diego for most of his life, Harrison was exposed to a variety of cars at an early age. These can be found in drag racing applications, and even for marine use. i know you don't with that done and you somehow manage to assemble the rest correctly..you will be able to beat the liven crap out of her for a long time. Out of the box, the LCE flywheel was o. I can't seem to find anywhere that sells both together so I'm gonna buy em from separate places and save some money. I have been told that for an external balanced flywheel that there should be 3 large circular areas taken out further in towards the center away from the starter ring. Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. Reply. Had two crank grinders running all the time. Your E-Mail and/or password are incorrect. I called Mcleod before calling the shop that did the install and Mcleod said I needed to balance the clutch to the flywheel before . Changing a clutch in a car is never an easy task. Norton/SPEC:The flywheel is the component that contributes the mostto the performance and the overall drivability of the clutch system. Balancing doesn't "have" to be done, and race builders also alter the balance to allow for some positive benefits by overbalancing. All rights reserved. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. The balancing machine in the picture is supposed to have the piece being . Search Engine Optimization by vBSEO 3.6.0. endobj MSC offers new as well as several other suppliers. Jenkins/Fidanza:The most common material types includesteel, aluminum, and nodular iron. The Fora platform includes forum software by XenForo. PRESSURE PLATE BALANCE - Whenever balancing a pressure plate to a flywheel, do not weld on the clutch lever . 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. It needs to be spun up and dynamically balanced. Copyright 2023 Endgame360 Inc. All Rights Reserved. How "balanced" are we talking? I recently purchased a Hays clutch kit along with a new flywheel and in the "Dos & Dont's Problems" paperwork from Hays. The heavy race paddle disc should be balanced. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. 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. to do the flywheel, back plate diaphram, pulley and damper using my balanced crank. 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. ESP. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. If you look at the flywheel amd front pulley they have holes around the outer edge. Clutch diameter: 10.400" Starter ring gear teeth: 153; Lightweight nodular iron . 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. I'm sure there are more, that's who our shop and myself have used. Discussing Weighted Versus Lightweight Flywheel Options. set cam timing??? Any imbalance will be felt , like a road wheel out of balance. OK, I just found out my engine rebuilder DOES do balancing. Hi guys. You can get your damper repaired at this place. Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. Feel free to call us 208-453-9800. 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. The correct tolerances would be matched to what the OEM toleranceis, although this will vary per application. He doesn't need the clutch. How to resurface your flywheel, pressure plate & clutch yourself for free! They are made from a durable one-piece billet chromoly steel or chromoly steel forgings. Steve (CTR). Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum. For starters, you have your stock style, cast iron replacement flywheels. Its recommended to balance the entire assembly as a whole after verifying the tolerance level of the flywheel itself. All Fidanza Performance aluminum flywheels are made from high quality 6061 T6 billet aluminum to deliver the optimum in strength and durability and are often SFI approved for race use just like steel flywheels. According to Autoguru.com, the flywheel has a few different purposes. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. (REGISTERED USERS DO NOT SEE THIS POST/AD! I would order a new front pulley and damper. While the flywheel is not an obscure component to comprehend, selecting the proper flywheel for a specific application is often shrouded in mystery for manyenthusiasts. The question is, do enthusiasts have to balance the parts themselves? Should you need information on something not found below, there will likely be a little more research to be done. A device like that will show the heavy spot at 6 o'clock but it doesn't tell you how much to take off, bit of "hit and miss". In most cases, a ring gear can be replaced after starter damage or failure, without the end user having to purchase a completely new unit. I have been retired from there 15 years. Hovsepian/Quarter Master:A heavy flywheel (to a certain extent) allows for an easier transition from a standstill to operation. Steve (CTR). Jenkins/Fidanza:One of the biggest issues that an enthusiastmay overlook is ensuring the friction area is clean of debris and greases or oils before installing the flywheel. If you're going to be visiting the track a bunch, doing a bunch of high RPM clutch dumps on sticky tires, probably not the best choice. Also, enthusiasts must prioritize performance and drivability. Since this is such a massive part with large diameter, it has to be balanced, and the factory usually does a pretty good job of it. I trust my engine rebuilder implicitly. And when it comes to the clutch assembly, one important component of that assortmentis often times overlooked. Broken cranks, cracked bell housings, are all a result of out of balance. But it still merits checking, and some people may be more particular (especially for a race engine). They are now taking the clutch back out to balance the flywheel and clutch together. Ultra lightweight flywheels which are designed specific for race applications such as SCCA or SOLO racing androad course tracks these tend to be too light for street use, and can cause adverse affects in regular stop and go driving or traffic like stalling or high revving starts. I was able to then swap out two steel clutch bolts with two titanium bolts I had; since each Ti bolt was 5 grams less than the steel bolts, this left me with about 4 grams or so out of balance. In our hay day we got 17 sets of V8 heads out each day. The edges of the flywheel have teeth, similar to the edges of a quarter, in order to grab onto the starter motor and the flywheel itself is bolted in between the clutch and the engine, inside the transmission bell housing. balancer, flywheel, piston ringsthe whole shooting match along with the " Correct " eng. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 22 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. endobj Each flywheel option the company offers is manufactured for a specific vehicle application, and different driving habits. For not a lot of money the crank could/should be done also. They are balanced and no metal had to come off or be added. Another thing to remember is that pretty much all of your aftermarket billet flywheels are going to be SFI approved. Manufacturer of Performance Clutches and Flywheels Since 1962. That must be a clutch only price. Early Access To Exclusive NEW Products, News, Tech & MORE! These types of vehicles require a bit more weight to maintain proper idle and to get the momentum to move off the line. with stanchion tube ultra low friction oil. Or it will at least be very costly. If that's the case, you can use a neutral balanced flywheel. They celibrate their 95th this year. to do the flywheel, back plate diaphram, pulley and damper using my balanced crank. What I do could be called silk purse. But you should take the pair to a good machine shop and have the dynamic balance checked and adjusted if necessary. Late Model Restoration has no affiliation with Ford Motor Company, Roush Enterprises, Eaton, or Saleen. If you would like your login information reset, click on the button below to request your login information to be reset. The machine then shows where to remove weight and how much weight is to be removed, which is usually done by drilling holes in a non-contact area near the rim of the flywheel. The whole assembly is then spun up to measure vibration, and the clutch cover (pressure plate assembly) is then balanced. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. When it comes to high-performance applications of any sort, there comes a time when the capabilities of the vehicles OEM clutch assembly will have to beevaluated. Your cast iron flywheel, obviously, that's a great stock replacement even for mild bolt-ons. for a new computer driven machine. 10046031 Flywheel Dowel (Big-Block) Highly recommended for all high-performance and competition Big-Block engines; 1453658 Bellhousing Dowel and Clutch Housing/Transmission . zildjian4life218 said: I just replaced my LS7 clutch that is in my car with a Monster stage 2. Jerry I am just trying to help..I also did some learning the hard way.. Within these materials, a flywheel can have a specific grade of metal, such as chromoly-steel, 1040-steel, 6061-aluminum, or even 2024-aluminum. We reached out to Dan Jenkins of Fidanza Performance, David Norton of SPEC Clutch, and George Hovsepian of Quarter Master. 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. 2023 Power Automedia. Sep 21, 2010. for teh 383 to balance correctly without an expensive flywheel any 86 and up single rear main seal flywheel and get a balance plate that bolts between the crank and flywheel fyi these plates are available for 454 as well helps save money when ya already spent a pile on small block stuff. Hopefully those motors have ALL the balance in the harmonic balancer & there are no extra weights on the flex plate/converter. As such, the flywheel can obtain hot spots due to the excessive friction and heat over time, which in turn can cause vibration whenever its engaging and when the vehicle is under acceleration. The companys billet aluminum flywheel options are manufactured to a specific tolerance in-order to provide the entire clutch assembly with a quiet and functional operating quality, while reducing rotating mass on the driveline components. We will safeguard your e-mail and only send content you request. <> I need to take in my pressure plate and flywheel. Balancing a flywheel is very important for rotational integrity and safety, and drivability. , It has a tolerance. Colin Chapman. Design by: PelicanParts.com | Powered by vBulletin Version 3.8.7Copyright 2000 - 2023, vBulletin Solutions, Inc. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. Someone who has been rebuilding engines for 30 years+ and is still in business should know what they are doing. Hey Randy, since the disc can land anywhere, it should be balanced as a sole unit (if not shipped balanced perfectly, doesn't hurt to check). However, if a flywheel is manufacturedfor an ultra-lightweight application, then we wouldnt recommend resurfacing it. Oct 27, 2007. I want to register an account for free right now! Spec 3 and Fedenza, no balancing no problems. Have you tried to spin it with the presure plate moved around one hole at a time untill you find the best spot first? You also need to know for sure what imbalance the flywheel and harmonic balancer are that you have. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. Who balanced your previous motor? All our aluminum flywheels are CAD designed/engineered and precision CNC machined from top quality billet aluminum forgings to strict tolerances for optimum performance and reliability. The balancing machine in the picture is supposed to have the piece being balanced spun , not too fast maybe 800 - 1000 rpm . Steel is the best friction surface for most materials because it offers a good seatability and wear pattern. Proper step and recess dimensions assure clean and consistent clutch actuation and promote maximum clamp load. The best place to go for anything Mustang related! If you have a zero balance motor it means that you need a flywheel balanced to zero. Exactly !!!!! Little known fact Vizard has driven my race cars and I have a collection of pre publication manuscirpts I have proof read for him. I recently had a Mcleod Street Extreme clutch along with a Mcleod steel flywheel installed on my 2000 Mustang GT. fyi - for stock bellhousings, you have to match the flywheel size with the bellhousing & the flywheel determines your clutch choices. 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 keep hearing about balancing and stuff. If it's a puck-type clutch, you're going to want to use either a billet steel or billet aluminum flywheel because a cast iron flywheel will just chew itself up. Rotating assembly will be shipped internally balanced. Also replaced axles (Leobro's) No problems of this type before engine drop. For the small cost while it is all apart and especially as it is a 1275 3 bearing engine why wouldn't you do it ?????? Do I need to get the flywheel balanced together with a new clutch disk & Pressure plate? After the install I noticed a vibration at 1,500 rpm. Steve (CTR). Were all for getting new parts, but does the flywheel really need to be resurfaced? You may want to go ahead and step up to billet steel. engine side and face side. Action Clutch lightweight aluminum flywheels are designed, engineered and manufactured in the USA. Many SPEC aluminum flywheel options, as well as certain steel flywheels feature a replaceable friction surface. As we mentioned earlier, the flywheel is a specific component which must also be matched with the correct clutch assembly for that application. .Bi@f|nsK_A2^xMxTL-''P EU4Y#~'iwfR?Ny?|yE]EJ^yZ?6O&_'@g Check out this cutaway of an Optimum-SR clutch from Quarter Master which features a billet aluminum lightweight flywheel.
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