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. 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. Motor State Distributing has set the pace for high-performance automotive components for racing, street and off-road use. If you need to replace the flywheel, a good balance shop should be able to match the old one. Flywheel Inspection & Resurfacing. Various . Only show this user. A flywheel on an automobile is used to balance the vibration of the engine and is attached to the crankshaft. They are specifically designed to reduce weight and inertia for better engine response. labor range from $500~$1200 depends on the region & hook up, that is a lot of money for anyone to spend, it's why you need to make sure you only going to spend it once ! x approximately 1/4" thick. Lightened Single Mass Flywheel & 240 mm Clutch Assembly. Broken cranks, cracked bell housings, are all a result of out of balance. . The outer arc is adjusted to raise the spring when the engine is running. The flywheel I have is neutral balance from a 68 318. I have a vibration that starts a little over 2000 RPM and seems to fade way above 3000 RPM. If my crankshaft has only been reduced by .010 and .010 mains and rods is shouldn't change the factory balancing. If you have a flywheel known to be properly balanced, you can use it to match balance another flywheel for identical application. for most customers, the first & foremost is the budget, clutch job is not easy, i will say 95% of the clutch i sell are installed by the professionals. 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. Car slips out of gear, going into neutral or another gear. $249.00. Flywheel (Manual Transmission) Ford manual transmission flywheels are identified with basic part number 6375. H T Howard recommend that all flywheels are balanced after lightening. Rattling noise when depressing or releasing clutch. Up until '85 or so, 302's also used a 28 in/oz external balance. It should be inspected for runout with a dial gauge mounted on the engine block. $309.00. If you replace the OEM dual mass flywheel, the engine will go out of balance. I guess the only way to check a pressure plate for balance is to mount it to the flywheel. According to Vizard's book crank balancing is fine if you have the cash and the time, but not really cost-effective. a lighter flywheel does not add horsepower. The soft outer bow spring is only used to improve the unsafe resonance frequency range. Flywheel Runout Check with the vehicle manufacturer for testing specifications. If you reduce the weight in the flywheel it will reduce the work the engine has to do allowing it to rev more freely. $1,100. Balance PP by itself. Balancing should be put on your list of yearly maintenance. 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 . General Tips* The ring gear flywheel size determines your clutch size, 1011/42 or 11 inches. Normal clutch operation generates a lot of friction and heat. Check for imbalance by revving a known good engine to 2500-3000 rpm with the clutch pedal depressed and feeling for any flywheel vibration. All 428 Cobra Jet and Super Cobra Jet engines were originally externally balanced by Ford. This flywheel has 164 teeth on the starter ring gear. The clutch "grabs" when engaging. $76.46. Balance Masters, Active Balancing Systems for Harley Flywheels is the ultimate in balancing technology. Add to Cart. A stock flywheel that would accommodate your flywheel is normally offered as a nodular iron piece for normal street driving. There comes a time in the life of every flywheel when it needs to be resurfaced. $200. Feel free to call us 208-453-9800. rusty valley, Nov 19, 2021. Lightened Single Mass Flywheel & 228 mm Clutch Assembly. Stage 1 Hd Clutch Super-lite Flywheel Kit 92-93 Integra Ys1 Cable. There is a thread describing this on here. H T Howard advise that any flywheel which has been lightened should also be re-faced to ensure total flatness and perfect clutch operation. This is nearly an impossible task without some pretty sophisticated and expensive balancing equipment. Lightened Single Mass Flywheel & 228 mm Clutch Assembly. $1,100. Mar 2, 2012. Good luck. I've been doing a bit of machining work on my flywheel and clutch and wanted to get it all balanced again. Considering this, why do flywheels have holes? If the clutch is starting to slip, even more heat is generated. you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. Separately check the flywheel (or flexplate) and the clutch pressure plate and correct the balance if needed. All 428 Cobra Jet and Super Cobra Jet engines were originally externally balanced by Ford. 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 . My answer is a qualified yes. . Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ When a flywheel is lightened, it is possible for the whole part to distort due to the machining stresses. New New New. imagine if the clutch . the lighter the flywheel the more revs you need to break traction. Do not use more than 10 weights at any one of the three locations. 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. 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. $150.00 Primary Clutch. This is especially true in heavier vehicles! Prepare ~20 counter weights of approximately equal weight. The flywheel has holes where heavy metal plugs can be inserted to change the balance. The 360 has the external balancer on the front of crank. Here's the deal, I'm mating a om617 to a 4 speed from a w115 240d. But if the goal is to follow a blueprinting approach, don't make that assumption. It is a small block LA Motor with a mild camshaft backed up by a 833 4 speed trans. When the clutch is engaged, springs in the pressure plate force the clutch disc against the flywheel. Beavercreek, Ohio, USA. That time is usually when the clutch is replaced. Factory flywheel was cast iron, and six . If the clutch is starting to slip, even more heat is generated. If they are for an externally balanced engine, we make sure they are at the proper imbalance value. The balance situation gets more interesting when the flywheel must be balanced to an external balance specification. $1,150. The machine shop said they could weld a weight on the pressure plate to balance it. $76.46. After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. Over on the other side, the Clutch Drive Disk is also purposely out of balance, but its heavy counterweight side is (if both are timed properly on the correct crankshaft splines) is exactly 180 opposite from the Flywheels heavy side. . 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 . 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. The flywheel is the part of the engine that turns and supplies power to the alternator. 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. B BogiesAnnex1 Registered Joined Apr 13, 2007 M42 or M44 Flywheel Ring Gear required for core deposit refund. every phoe Free shipping Free shipping Free shipping. E30 318is & All 4 Cyl E36 & Z3 Models. This innovative balancing system will take your Harley engine to the ultimate in performance, well beyond the best in blue print balancing. Minimum monthly payments are required. $1,150. bbm said: I usually balance the pressure plate with the flywheel and mark both so they can reassemble the same way. + Add to Compare. the fluctuations of a light flywheel require more frequent adjustments upsetting the balance of the car. We aim to show you accurate product information. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. 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. rusty valleyMemberfrom carver minnesota. if you read the manual it also states that the flywheel and pulley aren't keyed so you have to scribe the items to the crank and measure the balance pins depth, look at a chart and get new pins as per the depth chart, put the new component beside the old in the same position and reinstall new pins in the pulley or flywheel to keep the balance of We will check the clearances on all parts before we balance. Lightened Single Mass Flywheel & 240 mm Clutch Assembly. On the street, this means slipping the clutch less on takeoff to get rolling and make a smooth transition. New Clutch Flywheel for 66-77 Ford Broncos with Manual Transmission fits 289, 302 & 351W engines. Now you must remove the cotter pins that go thru the drive axle. There has to be one somewhere. FX HD STAGE 4 CLUTCH KIT+CHROMOLY FLYWHEEL fits 95-08 FORD RANGER Mazda B3000. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. - from the 74 f100 roller 5.0/T5 Swap series. M30 Flywheel required for core deposit refund. MM 12 lb. The Balance Masters patented balancing system is installed in one side of . 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. That is, external components like the harmonic balancer and flywheel play an integral role in balancing the engine's reciprocating assembly. The engine builder I took it to said that to do that he also needed the crank. Burning smell from clutch. I wouldn't think that taking a small amount off of the clutch surface would change the balance of the flywheel. By now the transmission should have finished draining all the fluids. It's. 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. Clutch discs may also be described as friction discs. i do have a 28oz balance flywheel because that is what my kit is balanced to. FLYWHEEL R&R Replacing a dual mass flywheel may involve some extra work depending on the application. SKU: 204-2801. 97-08 Porsche Boxster Cayman 911 Clutch Alignment Tool. But you should take the pair to a good machine shop and have the dynamic balance checked and adjusted if necessary. External balancing requires putting a specified ounce inch imbalancewithin a one-degree radial on the flywheel. 2) Attach counterweights with the quantities shown in the first line in the above dialog. You need a flywheel that has the 'evenly spaced' pattern (type 2) or one with both patterns for your 1990 Mustang 10.5 diaphram pressure plate. to check both the flywheel and pressure plate together for balance. 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 . The clutch plate/disc does not get balanced with the assembly. 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.