Then any balancing done to the assembly is done to the crankshaft. The flywheel has to fit within the bolt circle of the crank and match up to the pressure plate. It is a small block LA Motor with a mild camshaft backed up by a 833 4 speed trans. Car slips out of gear, going into neutral or another gear. Add the unbalance of the new single mass flywheel on top of that. Flywheel (Manual Transmission) Ford manual transmission flywheels are identified with basic part number 6375. Now you must remove the cotter pins that go thru the drive axle. 3) Spin the flywheel. A automatic automobile has a flywheel which is attached to the torque converter. Symptoms of a bad flywheel Abnormal noise when starter motor is engaged. Was a 50 ounce imbalance flywheel and it's a very common upgrade to make those a 10 and 1/2 inch whenever you go to swap out the clutch. The service adviser told them not to touch it, because they needed it as proof so they could get . $76.46. All 428 Cobra Jet and Super Cobra Jet engines were originally externally balanced by Ford. The flywheel on a manual transmission vehicle doubles as a balancing device for the engine and the clutch system. After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. M30 Flywheel required for core deposit refund. That time is usually when the clutch is replaced. A True Balancing Act. The Balance Masters patented balancing system is installed in one side of . A stock flywheel that would accommodate your flywheel is normally offered as a nodular iron piece for normal street driving. New Clutch Flywheel for 66-77 Ford Broncos with Manual Transmission fits 289, 302 & 351W engines. That is, external components like the harmonic balancer and flywheel play an integral role in balancing the engine's reciprocating assembly. The balance situation gets more interesting when the flywheel must be balanced to an external balance specification. My answer is a qualified yes. Correct fastners important too. Most incorporate special design features to enhance the air flow to improve the cooling of the clutch. The mass of the flywheel absorbs and dissipates the heat. FX Racing Lightweight Chromoly Flywheels are made from 4140 one-piece forged chromoly steel. E30 318is & All 4 Cyl E36 & Z3 Models. The clutch doesn't factor into this at all. Rattling noise when depressing or releasing clutch. M42 or M44 Flywheel Ring Gear required for core deposit refund. 4,674. Sold by aimcoclutch in Los Angeles. Shaking or vibration felt through the clutch pedal or floor of the vehicle. MM 12 lb. That said Centerforce says not to balance and if you want to you have to remove weights on diaphram and that requires a new wire that goes through the weights. When installing the clutch, use a clutch pilot installation tool to center the disc on the crankshaft and pressure plate. If they are for an internally balanced engine, we zero-balance them. Springs: The flywheel consists of two-phase springs bent in parallel. Flywheel Inspection & Resurfacing. 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. The problem is that I removed the auto flywheel without marking it's position. The only problem is everything has a tolerance and if you happen to get the "heavy spot" lined up with the heavy spot of the flywheel then it . $150.00 Primary Clutch. The 360 has the external balancer on the front of crank. Lightened Single Mass Flywheel & 228 mm Clutch Assembly. It should be inspected for runout with a dial gauge mounted on the engine block. According to Vizard's book crank balancing is fine if you have the cash and the time, but not really cost-effective. The overall side to side balance consists of the Flywheel, Crankshaft, and Clutch Drive Disk. Short of pulling the crank and balancing the . It works by aligning the clutch disc to the flywheel. --> Dodge Ram Diesel Truck Clutch Kits We offer a full range of friction materials, with different kits designed to handle different levels of power. Prepare ~20 counter weights of approximately equal weight. It Depends you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. If my crankshaft has only been reduced by .010 and .010 mains and rods is shouldn't change the factory balancing. Most of the clutch pressure plates and disks are independently balanced, meaning it is balanced onto itself so you can instal it any position on the flywheel. FX Racing clutch kit includes only the highest grade clutch components from the world's leading racing clutch manufacturers. Lightened Single Mass Flywheel & 240 mm Clutch Assembly. PP and flywheel get balanced as an assembly, the disc does not. When suspended with the marks 120 degrees apart, the unit hung to one side. The flywheel also balances the engine as it is specifically weighted the engine's crankshaft, and most importantly, the flywheel connects the engine to the transmission through the clutch in order to provide power to the wheels. When the clutch is engaged, springs in the pressure plate force the clutch disc against the flywheel. Extremely high replacement cost as compared to the replacement cost of a conventional flywheel and clutch kit. A thick, wide washer is a must to secure flywheel and prevent clutch/driveshaft aluminum hub adapter breakage! The second option is a SFI-spec steel flywheel. Granted, it does make for a smoother revving engine, that is assuming that it is out of balance in the first place Leave the pilot tool in place until the clutch mounting bolts have been . The flywheel is 28 oz Balance for use in 302 V8 engines built prior to 1981 as well as all 289 & 351 Windsor engines. i am not sure of my clutch material but its a Ram clutch with the flywheel side has full material around the whole disc and may be metallic, material is black . Balancing should be put on your list of yearly maintenance. Looking at the diagrams you guys posted ,I could just drill some holes in the flywheel to remove some weight in the exact spot., or get the add on weight kit , which I would hope comes with a template for installing it. Another thing would be an out of balance flywheel. ARP Porsche Late 911 9 pc Flywheel Bolt Kit. Balance PP by itself. We will check the clearances on all parts before we balance. In addition, engine balance there are three other important factors to consider. + Add to Compare. . But you should take the pair to a good machine shop and have the dynamic balance checked and adjusted if necessary. The following information will help you choose the correct flywheel. Flywheel - 157 Tooth - 14 lb - SFI 1.1 - Replaceable Surface - Aluminum - Internal Balance - Small Block Ford - Each. I wouldn't think that taking a small amount off of the clutch surface would change the balance of the flywheel. General Tips* The ring gear flywheel size determines your clutch size, 1011/42 or 11 inches. The clutch "grabs" when engaging. This would be a 42.5 ounce-inch spec externally balanced offset weight. Ted, the owner of P.E.R., was very kind and explained the whole process as well as making some suggestions for how to lighten the flywheel without losing strength up at 6000 RPM. And, of course, the rods and pistons and entire assembly must be balanced. E30 318is & All 4 Cyl E36 & Z3 Models. Flywheel / Aluminum Hub Retaining Washers. External balancing requires putting a specified ounce inch imbalancewithin a one-degree radial on the flywheel. Solutions: Verify flywheel counterbalance, if equipped Use proper hardware - shouldered bolts or locating dowel pins to retain pressure plate to flywheel Replace clutch assembly Inspect, resurface and balance flywheel - replace if necessary. Lightened Single Mass Flywheel & 228 mm Clutch Assembly. $249.00. Minimum monthly payments are required. If they are for an externally balanced engine, we make sure they are at the proper imbalance value. The outer arc is adjusted to raise the spring when the engine is running. Here's the deal, I'm mating a om617 to a 4 speed from a w115 240d. On the street, this means slipping the clutch less on takeoff to get rolling and make a smooth transition. When one piston and rod is going one way, you want the other piston and rod going the other way to be in balance. B BogiesAnnex1 Registered Joined Apr 13, 2007 Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ 97-08 Porsche Boxster Cayman 911 Clutch Alignment Tool. Normal clutch operation generates a lot of friction and heat. General Tips* The ring gear flywheel size determines your clutch size, 1011/42 or 11 inches. to check both the flywheel and pressure plate together for balance. Up until '85 or so, 302's also used a 28 in/oz external balance. 1978-98 Porsche 911 3.0L through 3.8L. All 428 Cobra Jet and Super Cobra Jet engines were originally externally balanced by Ford. If you need to replace the flywheel, a good balance shop should be able to match the old one. Motor State Distributing has set the pace for high-performance automotive components for racing, street and off-road use. It will result in rapid clutch and throw-out bearing wear after wearing out. A severe consequence includes the problem of clutch disengagement. The Flywheel itself is purposely OUT OF BALANCE with that heavy counterweight on its one side. $1,100. Free shipping Free shipping Free shipping. Resurfacing a flywheel is good insurance D = ( (pi * r^2) / V) * (R^2 / R1^2) If D works out to be deeper than the thickness of the flywheel then drill two holes radius r depth D/2 symmetrically disposed about the "dead-opposite" line at . Also, be aware that poorly balanced rear wheels can, and often do, mimic the symptoms of a poorly balanced dual mass flywheel, so be sure to check . That time is usually when the clutch is replaced. Our engines are externally balanced from the factory, which means that the unbalance of the rotating assembly is compensated removing material from the dual mass flywheel. Flywheel Inspection & Resurfacing. You would think that a clutch assembly would come balanced as a package including flywheel, clutch and pressure plate and that the engine rotating assembly would be balanced at the factory, independent of any external mass. Then for some reason, Ford in its infinite wisdom changed the external balance of the 302 motors to 50 in/oz. 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 confusion comes in with the 302's, and thus, parts interchangability with the 351W, specifically the flywheel and crank damper. Subject to credit approval. Only show this user. The machine shop said they could weld a weight on the pressure plate to balance it. Do not use more than 10 weights at any one of the three locations. . Most manufacturers recommend replacing the dual mass flywheel along with the clutch. It's time to pull off your wheels. When we do balance jobs, we always make sure the flywheels and balancers are at the proper values. We aim to show you accurate product information. That is, external components like the harmonic balancer and flywheel play an integral role in balancing the engine's reciprocating assembly. If you reduce the weight in the flywheel it will reduce the work the engine has to do allowing it to rev more freely. Pressure Plate. Posts: 2,479. Machining the flywheel and balancing should take about a week. Good luck. Following are the types of flywheel used in vehicle: Solid disc flywheel; Rimmed flywheel You need a precisely machined mounting mandrel that places the known good and new flywheels exactly 180 degrees out of phase and a set of balancing rollers to do this. $85.00 Secondary Clutch. rusty valley, Nov 19, 2021. New New New. We all know that weight is a destroyer of performance so a lighter flywheel also makes the car . Remove the battery tray support by removing the 3 bolts that bolt to the frame. Oct 3, 1999. every phoe Flywheel (Automatic Transmission) Ford automatic transmission flywheels are identified with basic part number 6375. A flywheel or clutch pressure plate for an internally balanced crankshaft should have a zero balance right out of the box. SKU: 204-2801. A flywheel on an automobile is used to balance the vibration of the engine and is attached to the crankshaft. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. There has to be one somewhere. On vehicles where the engine is balanced externally with the flywheel, a new replacement dual mass flywheel will have to be match balanced to the engine. $200. . Remove the battery tray by removing the 4 bolts holding it in place. If you are unsure of the balance of your 302, please check with an engine . If they cannot match balance to the old flywheel you would need to have the crank out and also have the weight of the pistons and connecting . $1,100. The flywheel is also used as a part of the clutch mechanism and fluid drive unit. ARP Porsche Late 911 9 pc Flywheel Bolt Kit. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. The clutch pressure plate is a spring-loaded metal plate that spins with the flywheel and applies pressure to clamp the clutch disc firmly between itself and the flywheel. The mass of the flywheel absorbs and dissipates the heat. Doubling the velocity quadruples the force, its exponential i think they call it. After rearranging the parts (moved the clutch housing and spring plate marks closer together to offset the flywheel) it hung level. H T Howard recommend that all flywheels are balanced after lightening. Clutch improperly balanced Flywheel improperly balanced. Lightened Single Mass Flywheel & 240 mm Clutch Assembly. MM 11 lb. This innovative balancing system will take your Harley engine to the ultimate in performance, well beyond the best in blue print balancing. Installing a clutch so that it is properly aligned and will perform as designed for its intended service life. There comes a time in the life of every flywheel when it needs to be resurfaced. 2) Attach counterweights with the quantities shown in the first line in the above dialog. M42 or M44 Flywheel Ring Gear required for core deposit refund. Add to Cart. $76.46. This is nearly an impossible task without some pretty sophisticated and expensive balancing equipment. x approximately 1/4" thick. Hays Neutral (Internal) Balanced Pontiac 30 lb Steel Flywheel - 2.75 Register Bore / for 10.4 or 11" Clutches HAY-13-130 (0) Reviews: Write first review Description: Pontiac Hays 30 lb Steel Flywheel - 2.75 Register Bore / for 10.4 or 11" Clutches w/ Bolts 64-76 350, 389, 400, 428, 455 The flywheel has holes where heavy metal plugs can be inserted to change the balance. Most of the high performance clutch manufacturers would offer one. MM 11 lb. 1978-98 Porsche 911 3.0L through 3.8L. I was surprised so he explained that he had no way of doing just a flywheel, but with the crank he could find the balance of . 34g at a radius of 7" (a 14" flywheel) traveling at 180 feet per second at that circumference (based on your 3000 rpm) F=m*v2/r F = 12.925 lbs/force Yeah i would think a near 13 lb imbalance would be noticable. i pulled the trans out yesterday to put the dowel pins in just so i can know that everything is done right. This is done by adding weight to the outer extremities of the cover. Flywheel Runout Check with the vehicle manufacturer for testing specifications. MM 12 lb. They are specifically designed to reduce weight and inertia for better engine response. The 6-puck copper ceramic (also known as MIBA) disc features 12 high-coefficient friction pads that are resistant to slippage and ensures long lasting life. imagine if the clutch . The bike is back together and it is very smooth. If engine is built right clutch will go before crank/flywheel and if PP is balanced as part of rotating mass the whole thing will have to be balanced again. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. Various Know-how For Realizing Lightness, Strength, And High Balance Is Condensed To The Xtd Light Weight Flywheel. Various . I guess the only way to check a pressure plate for balance is to mount it to the flywheel. M30 Flywheel required for core deposit refund. But if the goal is to follow a blueprinting approach, don't make that assumption. SHARE POST #4. Should you need information on something not found below, there will likely be a little more research to be done. strokersix (Mechanical) 2 Apr 04 12:54. Drawbacks from light flywheels. I've been doing a bit of machining work on my flywheel and clutch and wanted to get it all balanced again. Flywheel Balancing. Feel free to call us 208-453-9800. Factory flywheel was cast iron, and six . At the drag strip, balancing flywheel weight with gearing will allow you to launch most efficiently without excessive tire spin or bogging the engine.