Had two crank grinders running all the time. 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. PP and flywheel get balanced as an assembly, the disc does not. Rotating assembly will be shipped internally balanced. 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. Spec 3 and Fedenza, no balancing no problems. All rights reserved. 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. The boys here get $125. 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. These types of vehicles require a bit more weight to maintain proper idle and to get the momentum to move off the line. Another broken crank would suck!. Any time you're going to be using a clutch that has a puck typeface, semi-metallic, ceramic, doesn't matter. OK, I just found out my engine rebuilder DOES do balancing. Your E-Mail and/or password are incorrect. Aug 31, 2002. Granted, it does make for a smoother revving engine, that is assuming that it is out of balance in the first place. Roush is a registered trademark of Roush Enterprises Inc. Eaton is a trademark of the Eaton Corporation. I have a vibration that starts a little over 2000 RPM and seems to fade way above 3000 RPM. off centered off balance. Hovsepian/Quarter Master:Whether its a lightweightor neutral weightedflywheel, itmust be balanced no question about it. If you have a zero balance motor it means that you need a flywheel balanced to zero. The whole assembly is then spun up to measure vibration, and the clutch cover (pressure plate assembly) is then balanced. 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. with stanchion tube ultra low friction oil. After the install I noticed a vibration at 1,500 rpm. You need to check with the shop that did your balance work or any of your machine work to find out what flywheel you need to order. Your Login Failed. It is machined from the highest quality 6061-T6 or 2024 T3 aluminum, each flywheel is manufactured to deliver optimum tensile strength, great heat dissipation and major weight reduction. I want to register an account for free right now! What I do could be called silk purse. When a clutch assembly begins to wear outandneeds to be replaced, the friction surface of that flywheel in that clutch assembly is often resurfaced instead of being replaced. In drag racing, having too light of a flywheel will not slow the engine enough to allow for up-shifts. The Fora platform includes forum software by XenForo. - asinine not to imo. The World's largest Never built another without balance. 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). We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. The flywheel can typically be resurfaced pretty easily and should be a relatively low-cost procedure. 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. 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 heavy race paddle disc should be balanced. PP and flywheel get balanced as an assembly, the disc does not. I have nothing to gain from leading you astray. Sabeo.m I just bought a nice used FW off fleeBay. 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. endobj The combination is better known as Atomic Green for its color. spec's from the shop manual which you can buy from Don, to him.. ask him nicely if would assemble the lower end for you. If you have a zero balance motor it means that you need a flywheel balanced to zero. 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. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. Weve taken the guess-work out by inviting three industry leading clutch and flywheel manufacturers, Quarter Master, SPEC Clutch, and Fidanza Performance for a question-and-answer session to eliminate the guesswork. The correct tolerances would be matched to what the OEM toleranceis, although this will vary per application. : For registered members this ad will NOT show, Location: Palma de Mallorca, Spain, Chromoly is an abbreviation for chromium-molybdenum steel" due to its property of incorporating alloy elements chromium and molybdenum. He indicated that 4 cylinder cranks usually are fine and don't need balancing. FOLLOW: That must be a clutch only price. Little known fact Vizard has driven my race cars and I have a collection of pre publication manuscirpts I have proof read for him. Discussing Weighted Versus Lightweight Flywheel Options. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Balancing doesn't "have" to be done, and race builders also alter the balance to allow for some positive benefits by overbalancing. Like many other go-fast parts, the flywheel is not a one-size fits all type of component. We know all too well how difficult and confusing it can be to match a flywheel with the appropriate clutch. When you get into the realm of replacement flywheels, you do have a few options and it can be a little confusing. From the factory, your '82 to '95 Mustangs came with a ten-inch clutch and was a fifty-ounce imbalance flywheel. On a racecar, the flywheel is often times made as small and light as possible. 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. As for the clutch disc don't bother with it as it is light and stops in a different place each time. Copyright 2023 Endgame360 Inc. All Rights Reserved. I have used a tire balance machine to balance my setup. . The larger balancing cones used on the static balancer came from No Mar as I remember (for their BMW motorcycle kit). For example, a flywheel manufactured out of 2024-aluminum will work excellent when paired to a button-style race clutch. The boys here get $125. Price of balance went up. I just got my flywheel and clutch back from the machine shop. They're average on price, around $40-50 to balance. It only cost me $20. Hi guys. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. 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. Steve (CTR), Maybe I should not go here, but I would not bother with a rebuild damper/ balancer. Which made it a very common upgrade to make the switch to a 10 and 1/2 inch clutch whenever you go to swap out the clutch. I called Mcleod before calling the shop that did the install and Mcleod said I needed to balance the clutch to the flywheel before . Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. Crank flange bolt pattern/sealing arrangement. Our job is to analyze the original flywheel and engineer major improvements. His passion for anything that is fast, or has a V8, brought him to Power Automedia. I want to register an account for free right now! do you know how to set the ring end gap? I would send ALL of it to a good machine shop & have it balanced together as a unit. When it comes to engine and transmission work, it can be a pain to have to do anything twice. A flywheelimbalance can destroy engine bearings and other driveline components if the flywheel is not balanced, and also not in its allowable tolerance. You will need to know what imbalance the motor is that you bought. Great for a road racing application, andnot so great on the street or drag strip. Sold to Kens06. Do I need to get the flywheel balanced together with a new clutch disk & Pressure plate? Hovsepian/Quarter Master:A heavy flywheel (to a certain extent) allows for an easier transition from a standstill to operation. Next I will take in a new harmonic balancer to be balanced. All I have seen are junk. not trying to be smart here.. but your way over your head in this dept. The whole assembly is then spun up to measure vibration, and the clutch cover (pressure plate assembly) is then balanced. Here's why: Although the C5 does have its clutch and flywheel attached to the crankshaft, as has been done with all Vettes since the '53, the car's driveline differs from that of its predecessors . you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. A heavier flywheel, such as billet steel one, will help to carry the momentum of the vehicle in larger vehicles. 833 likes, 23 comments - Weekend Automotive - Saurabh kmph (@saurabh.kmph) on Instagram: "It was not an easy job to make an Indica run.. @trollkul just nailed it and . This is also why companies manufacture heavier weighted flywheels. Please try again. Fifty tonne power station turbines are balanced this way. Register now for free! and maybe re-balanced any time it is machined for clean-up or weight reduction. Last theory I heard on the FW and PP was that they could be balanced individually, but it was more important to make sure the flywheel jived with the crank. There has to be one somewhere. Some drag racers prefer the additional weight to aid in launching off the line. let them pistons reach for the stars. This eliminates any imperfections on the surface and ensures a proper seating position in the clutch assembly, ultimately protecting the assembly and creating a safeguard. .Bi@f|nsK_A2^xMxTL-''P EU4Y#~'iwfR?Ny?|yE]EJ^yZ?6O&_'@g Another thing to remember is that pretty much all of your aftermarket billet flywheels are going to be SFI approved. 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. However,a lightweight flywheel isnt always ideal depending on the application. And when it comes to the clutch assembly, one important component of that assortmentis often times overlooked. Some enthusiasts may want the maximum power gains and choose the lightest unit, whereas others may want the most stock-like drivability and choose a stock weight or slightly lighter flywheel. Check for imbalance by revving a known good engine to 2500-3000 rpm with the clutch pedal depressed and feeling for any flywheel vibration. Were a forum community dedicated to the Chevy Z06 Corvette. 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. so how many engines have you guys balanced????? Billet aluminum is suited well for the road course where you can have instant acceleration out of the corners. PS: Nick Swift came over and drove one of my vintage cars to a VIR Gold Cup win as well. If you look at the flywheel amd front pulley they have holes around the outer edge. Decent used stuff comes up on the bbs every so often if you are not in a hury You can balance individual components but the balancing isn't perfect. flywheel. Check with the vehicle manufacturer for testing specifications. You may not need much weight then to balance. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. :0). Not so great for drag racing, because you lose the inertia that you need to get the car moving right off the starting line. Broken cranks, cracked bell housings, are all a result of out of balance. endobj All flywheels are balanced and thoroughly inspected for quality and fitment. Cobra Make, Engine: Everett-Morrison LS1. An example of this is that some companies use different materials to manufacture flywheel options, or even different lightweight flywheel design styles. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. That's only good for static balance. Your cast iron flywheel, obviously, that's a great stock replacement even for mild bolt-ons. Replaced my Clutch (Sachs) and flywheel (Sebro) on my 88 911, and now have a vibration/chatter at low RPM's (2000 - 2500) under load/acceleration progressively worse in higher gears. Colin Chapman. endobj Have you been searching for the correct flywheel for your 82-95 Mustang? Randy, I've been using Fort Wayne clutch in (Big surprise here) in Fort Wayne IN for years. I think that I will buy a new harmonic balancer, they appear to be cheap anyway. When parts for the old balance machine went NLA they spent $28000. They have adapters that will allow you to balance anything if the center hole is clean without burrs. The SFI Foundation, Inc. (SFI) is a non-profit organization established to issue and administer standards for the quality assurance of specialty performance and racing equipment. They make/rebuild clutches with Kevlar and ceramic, and can balance the flywheel and pressure plate (not disc/diaphram). 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. Passwords are case-sentive.If you continue to have problems click on the Help Icon for additional options. Norton/SPEC:Steel, aluminum,and titanium are most commonly used to manufacture a flywheel. We do offer a lineup of steel flywheels that do not have a replaceable friction surface. Each manufacturer has its own unique process for creating flywheels. Rotational integrity is maximized, as well as the ability to provide a perfectly flat surface for the clutch disc to optimize wear and performance. Check out the full installation of this SPEC Clutch on our autocross C5 Corvette here. 10046031 Flywheel Dowel (Big-Block) Highly recommended for all high-performance and competition Big-Block engines; 1453658 Bellhousing Dowel and Clutch Housing/Transmission . We check for many things when engineering a flywheel, such as overall balance, flywheel clearances or how improve the design. After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. 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. ENGINEERED FOR BOTH STREET AND RACE APPLICATIONS. for a new computer driven machine. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. "DETROIT" FLYWHEEL BALANCE - Certain model engines now being produced have incorporated a counter weight in the flywheel to compensate for the lack of counter weight in the crankshaft. As received, a new flywheel from the factory should be balanced within some industry standard, like a few grams or a few ounce-inches. For externally balanced 454 Mark-IV 2-piece rear main seal engines; BOLTS AND DOWELS. Steve (CTR). Colin Mc Rae MBE 1968-2007.Give a car more power and it goes faster on the straights,make a car lighter and it's faster everywhere. The balancing machine in the picture is supposed to have the piece being balanced spun , not too fast maybe 800 - 1000 rpm . In the 25 years I worked at an auto machine shop I'd guess I worked on over 1000 balance jobs. Check out this cutaway of an Optimum-SR clutch from Quarter Master which features a billet aluminum lightweight flywheel. ), http://www.clubcobra.com/photopost/dall_Small_.jpg, ERA #732 - Pics from the ERA Owners Gallery. All of our flywheels are SFI Certified which meet the top performance standards in the automotive and motorsports industries. With so many choices on the market today, it can be difficult to choose the right one for a specific application. Makes sense. However, when you get into the options from all of your aftermarket companies, you'll either have billet steel, billet aluminum, or both in fifty-ounce imbalance, twenty-ounce, and even a complete zero neutral balance. I'm Jay Mack with latemodelrestoration.com and I wanted to take a few minutes to talk to you about the differences between 1982 to '95 five liter Mustang flywheels. Now comes the next question, what materials do you want to use with what? Our billet aluminum flywheels are a great choice for street performance vehicles, as well as, ones used in road racing, autocross, time . West Los Angeles. 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. Mal stop me man, Hey I'm OK. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. Steve (CTR). Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum. 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. No vibration before or after the 1500 rpm mark. 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. 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. It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. You can get your damper repaired at this place. Our flywheels are built for racing and performance. When you purchase through links on our site, we may earn an affiliate commission, which supports our community.
how to balance a flywheel and clutch
