I have nothing to gain from leading you astray. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. Static is a good place to start but spinning the assembly is better also if you have the clutch plate centered in the assembly. For example, a very light flywheel can make a clutch feel more aggressive. After rearranging the parts (moved the clutch housing and spring plate marks closer together to offset the flywheel) it hung level. I just had the Spec III put in my car using the stock flywheel. Technically the 4.6 3V is internally balanced or a "zero" balanced motor. Within these materials, a flywheel can have a specific grade of metal, such as chromoly-steel, 1040-steel, 6061-aluminum, or even 2024-aluminum. The tighter or closer to zero the tolerance, the more balanced the unit will be. If youve ever purchased a new clutch assembly, youve probably noticed that many aftermarket assemblies do not include a flywheel, and theres a reason for that. 475 rwhp 450 rwtq. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. Any guidance would be appreciated. Steel is the best friction surface for most materials because it offers a good seatability and wear pattern. If i hadn't begun working on my car, my clutch would of only lasted about a month, give or take. Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ Great for a road racing application, andnot so great on the street or drag strip. We will safeguard your e-mail and only send content you request. 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. balancing , align-bore, tell him, you want the competition package done on her. 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. Makes sense. David Norton, SPEC Clutch. Check out LMR's flywheel guide for all of the answers! We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. JavaScript is disabled. endobj The lighter and smaller it is and the closer the weight is to the rotational axis, the quicker the engine will be able to reach its maximum RPM. If you look at the flywheel amd front pulley they have holes around the outer edge. Granted, it does make for a smoother revving engine, that is assuming that it is out of balance in the first place. Steve (CTR). Jerry I am just trying to help..I also did some learning the hard way.. 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. Balancing a flywheel is very important for rotational integrity and safety, and drivability. 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. set cam timing??? Also of mention is that sometimes shops balance the flywheel . Action Clutch Flywheels are designed and tested to ensure the best quality and performance. Have you tried to spin it with the presure plate moved around one hole at a time untill you find the best spot first? I would balance them before I put them in so you don't have the same problem I'm having. The original rubber is probably hard as a rock now. It is a small block LA Motor with a mild camshaft backed up by a 833 4 speed trans. It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. Can't wait to get it installed now. They're average on price, around $40-50 to balance. 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. Do what you want to do. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. The LS6 engine is balanced externally with balancing pins in the. THen the harmonic balancer and the flywheel need to match that. I've been very happy . Login with your E-Mail Address. Like many other go-fast parts, the flywheel is not a one-size fits all type of component. eV/ .c}%&?i.csayH,/~D^U! }X2pF?Ui4+D9?zsz0k n'O|oF}O3I}oa-7|. 4 0 obj When it comes to engine and transmission work, it can be a pain to have to do anything twice. These different types of flywheels do not necessarily affect the clutch assembly or operation, as most are actually designed to work with specific style clutches to avoid any adverse affects. 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. off centered off balance. fyi - for stock bellhousings, you have to match the flywheel size with the bellhousing & the flywheel determines your clutch choices. Welcome to Club Cobra! It needs to be spun up and dynamically balanced. Norton/SPEC:How a specific application responds to driveline inertia depends on vehicle weight, gearing, and engine power curve. 2 0 obj with stanchion tube ultra low friction oil. Drill at this spot or put a weight opposite. West Los Angeles. I'm sure you do as well. 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. 1 0 obj I have a vibration that starts a little over 2000 RPM and seems to fade way above 3000 RPM. Register now for free! They are made from a durable one-piece billet chromoly steel or chromoly steel forgings. 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 ?????? Not that it matters but FYI I began working in the auto aftermarket in 1965 at age 16 with a work permit. Were a forum community dedicated to the Chevy Z06 Corvette. SPEC maintains a one-one-thousandth machine tolerance to assure a perfect rotational integrity, fast clutch seating, and maximized drivability. Many SPEC aluminum flywheel options, as well as certain steel flywheels feature a replaceable friction surface. Depending on the severity of the imbalance, it could lead to serious damage to the entire driveline if the issue is not addressed. Our aluminum flywheels are made from 6061-T6 Billet Aluminum or 1045 / 4140 Billet Steel depending on application. PRESSURE PLATE BALANCE - Whenever balancing a pressure plate to a flywheel, do not weld on the clutch lever . Next I will take in a new harmonic balancer to be balanced. This means the flywheel will not require any extra balancing after the machining process. All of our aluminum flywheels include a hardened steel friction surface that is designed to be replaced versus being resurfaced. Another thing to remember is that pretty much all of your aftermarket billet flywheels are going to be SFI approved. flywheel. 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. The question is, do enthusiasts have to balance the parts themselves? not trying to be smart here.. but your way over your head in this dept. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. Cause you know while you're balancing it, you could always take off a few lbs. lol, any race rules where you can "balance a flywheel" please they're shaving off every ounce of weight possible claiming it was necessary for balancing because no one is going to check the damn flywheel, After starting my tear down, i realized how bad my flywheel, PP, and clutch plate really is. As with most things, there are going to be trade-offs. Copyright 2023 Endgame360 Inc. All Rights Reserved. (REGISTERED USERS DO NOT SEE THIS POST/AD! Who balanced your previous motor? Little known fact Vizard has driven my race cars and I have a collection of pre publication manuscirpts I have proof read for him. All rights reserved. My answer is a qualified yes. For externally balanced 454 Mark-IV 2-piece rear main seal engines; BOLTS AND DOWELS. Chromoly flywheels are an excellent choice for any performance or stock build. states "Hays recommends balancing clutch/flywheel as assembly before installation." The paperwork also states "Balance with crank if possible." Paperwork identifies this next to a problem of "Vibration at high RPM." Our lightweight flywheels improve performance and assist with quicker revving. On top of that, considering how long it takes to change out a clutch and flywheel set, it's probably a good idea to do everything the correct way the first time around. I think that bolt in the back of the Flywheel may hit the block anyways. They celibrate their 95th this year. All of your factory flywheels were cast iron, six-bolt pattern, and also fifty-ounce imbalance. 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. Machinist will match mark the PP and flywheel so you assemble them in the same fashion that they were balanced. 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. So whats the best option for reliability? That doesn't mean the shop did like that, they could have made your 327 into an externally balanced engine, but I doubt they did that. I trust my engine rebuilder implicitly. "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. endobj I know this sounds funny because the crank ass'y should be balanced in it's own right. FW Clutch have rebuilt a number of NLA clutches for vintage cars we've worked on. Living in San Diego for most of his life, Harrison was exposed to a variety of cars at an early age. Someone who has been rebuilding engines for 30 years+ and is still in business should know what they are doing. After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. I hope when you get it all together and running it does not have any unusual vibrations as you will have wished you took the advice. YES! Is this a good idea? Copyright 2021 action clutch. and maybe re-balanced any time it is machined for clean-up or weight reduction. you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. This is the point we are trying to get across. It will be set up in a spin balancing machine to be run up to a speed of several hundred RPM to measure vibration. Factory flywheel was cast iron, and six bolt pattern, and also 50 ounce imbalance. ESP. Hopefully those motors have ALL the balance in the harmonic balancer & there are no extra weights on the flex plate/converter. That component is the flywheel. To balance it, you would drill holes, not weld or bolt anything to the flywheel. The best place to go for anything Mustang related! : For registered members this ad will NOT show, Location: Palma de Mallorca, Spain, Our goal for this question-and-answer session is to discuss many frequently asked questions regarding the flywheel, and to help enthusiasts gain a better understanding of the science behind them. A flywheel that has become out of balance will cause a vehicle vibration that increases with engine speed. So the flywheel, clutch, and pressure plate were all replaced. On a 40+ lb flywheel / pressure plate assembly, that's good enough for the pickup truck. Let's make sure we're showing you the right parts! 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.
