I now have a noticeable vibration above 3000 rpm. Hovsepian/Quarter Master: Whether it's a lightweight or neutral weighted flywheel, it must be balanced no question about it. Any imbalance will be felt , like a road wheel out of balance. We do offer a lineup of steel flywheels that do not have a replaceable friction surface. Let's make sure we're showing you the right parts! don't even ask him " how much " when he calls and says it ready, just go down there with a wad of cash and pay the man and thank him. Discussing Weighted Versus Lightweight Flywheel Options. zildjian4life218 said: I just replaced my LS7 clutch that is in my car with a Monster stage 2. p.s. Spec 3 and Fedenza, no balancing no problems. 475 rwhp 450 rwtq. You can get your damper repaired at this place. Should you need information on something not found below, there will likely be a little more research to be done. 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. They did a Kevlar clutch for my ole 911, machine flywheel & pp, rebuild disc w/Kevlar was close to $400 w/shipping. non biased Shelby Cobra related site! which way the piston rings go on the piston as well as how to index them on the piston? They are balanced and no metal had to come off or be added. How to resurface your flywheel, pressure plate & clutch yourself for free! David Norton, SPEC Clutch. The boys here get $125. These would be resurfaced like a conventional flywheel and do require replacement once the surface gets to its minimum tolerance. In the 25 years I worked at an auto machine shop I'd guess I worked on over 1000 balance jobs. Little known fact Vizard has driven my race cars and I have a collection of pre publication manuscirpts I have proof read for him. The flywheel also provides the ability to start the car, as it is geared on . Copyright 2023 Endgame360 Inc. All Rights Reserved. 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. Great for a road racing application, andnot so great on the street or drag strip. You may not need much weight then to balance. Is this a good idea? Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ As long as the clutch and pressure plate bolt up and have the proper static pressure engagement then they will work together. 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. The style of driving or racing will usually determine the need for a specific style clutch, which will strictly translate to the type of flywheel necessary as well. FW Clutch have rebuilt a number of NLA clutches for vintage cars we've worked on. Its a good idea in a high performnce application to balance the rotating assembly with the damper and flywheel. I am still welcome to drop by and use any machine in the shop. Manufacturer of Performance Clutches and Flywheels Since 1962. This left me with about 14 grams out of balance. George Hovsepian, Quarter Master. According to Vizards book crank balancing is fine if you have the cash and the time, but not really cost-effective. The tighter or closer to zero the tolerance, the more balanced the unit will be. Steve (CTR). Colin Chapman. Action Clutch lightweight aluminum flywheels are designed, engineered and manufactured in the USA. I recently purchased a Hays clutch kit along with a new flywheel and in the "Dos & Dont's Problems" paperwork from Hays. They are now taking the clutch back out to balance the flywheel and clutch together. I called Mcleod before calling the shop that did the install and Mcleod said I needed to balance the clutch to the flywheel before . 2 0 obj I had a really bad vibration. - asinine not to imo. :cheers: MTI 383 Stroker Motor. Your E-Mail and/or password are incorrect. 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. Clutch types. 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 . I would balance them before I put them in so you don't have the same problem I'm having. Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. Not a lot of $ so you may be good tehre. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. The factory . Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. Jenkins/Fidanza:The most common material types includesteel, aluminum, and nodular iron. Check with the vehicle manufacturer for testing specifications. Aluminum is too soft, and titanium is too hard for most friction materials. It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. 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. 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. With the combination of materials, Chromoly has an outstanding strength to weight ratio and is stronger and harder than standard 1020 steel or other aluminum flywheels on the market. By the same method one could balance , theoretically one could balance the complete motor in place. 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. Out of the box, the LCE flywheel was o. Technically the 4.6 3V is internally balanced or a "zero" balanced motor. #6. Feel free to call us 208-453-9800. If the flywheel is too worn and cannot be resurfaced, then it is advisable to replace the whole thing with a new part. Some drag racers prefer the additional weight to aid in launching off the line. SPEC maintains a one-one-thousandth machine tolerance to assure a perfect rotational integrity, fast clutch seating, and maximized drivability. Our lightweight flywheels improve performance and assist with quicker revving. <> Billet aluminum is suited well for the road course where you can have instant acceleration out of the corners. For a better experience, please enable JavaScript in your browser before proceeding. An example of this is that some companies use different materials to manufacture flywheel options, or even different lightweight flywheel design styles. x=nIyX\hdw`1JD){58QY$eq_[>6?7|%Y5yVIIz,^u[mU4]urvy]&E$r Wg(G'jyiV%' If you don't have your shaft balanced you will have wasted your money. . 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. All of your factory flywheels were cast iron, six-bolt pattern, and also fifty-ounce imbalance. 3912 Whittier BlvdLos Angeles, CA 90023(323) 269-6051. When choosing a flywheel, the right choice ultimately comes down to the intents and purpose of the vehicle, andthe amount of power the engine is making. Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! The flywheel is an important part of the clutch assembly. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . The flywheel can typically be resurfaced pretty easily and should be a relatively low-cost procedure. Mine is but a fairly standard 1293 (because that was the bore available) but with new bits - cam/lifters/push rods, connecting rods, crank, lightweight flywheel, clutch. All rotating bits will be balanced by a shop that has done A Series engines for quite some timeincluding my 1380at a cost of $125 (price for 4 cylinder engines). and maybe re-balanced any time it is machined for clean-up or weight reduction. Steve (CTR). We reached out to Dan Jenkins of Fidanza Performance, David Norton of SPEC Clutch, and George Hovsepian of Quarter Master. 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. Granted, it does make for a smoother revving engine, that is assuming that it is out of balance in the first place. 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. 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. The shop is not in ahigh rent district and that probably helps. Many enthusiasts can agree that a lightweight flywheel is ideal, simply because they have alower MOI. 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). Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum. I just got my flywheel and clutch back from the machine shop. do you know how to set the ring end gap? off centered off balance. If you have a zero balance motor it means that you need a flywheel balanced to zero. Proper step and recess dimensions assure clean and consistent clutch actuation and promote maximum clamp load. A service shop may later add weight by welding small weights to the edge of the cover. When spinning the slowly the posts will rock side to side. ), http://www.clubcobra.com/photopost/dall_Small_.jpg, ERA #732 - Pics from the ERA Owners Gallery. A flywheel that has become out of balance will cause a vehicle vibration that increases with engine speed. Price of balance went up. However, if a flywheel is manufacturedfor an ultra-lightweight application, then we wouldnt recommend resurfacing it. It needs to be spun up and dynamically balanced. Broken cranks, cracked bell housings, are all a result of out of balance. This translates to higher exit speeds coming out of corers and higher top-end speed at the end of the straights on the race track. So whats the best option for reliability? This is the point we are trying to get across. The Fora platform includes forum software by XenForo. Randy, I've been using Fort Wayne clutch in (Big surprise here) in Fort Wayne IN for years. As you drive a manual transmission car, the clutch is constantly coming in contact with the flywheel when you release the clutch pedal. This is the heavy spot. Labor costs are usually the most expensive part of any intensive job, such as changing a clutch, so its recommended to get the flywheel resurfaced every time the clutch is replaced. With so many different choices readily available, we wanted to know how the different materials can affect the overall integrity of the flywheel and its drivability characteristics. 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. engine side and face side. Life is tough, but it's tougher when you're stupidJohn Wayne. His passion for anything that is fast, or has a V8, brought him to Power Automedia. This is done by adding weight to the outer extremities of the cover. %PDF-1.5 These types of vehicles require a bit more weight to maintain proper idle and to get the momentum to move off the line. Have you been searching for the correct flywheel for your 82-95 Mustang? Had two crank grinders running all the time. 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.
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