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. Spec 3 and Fedenza, no balancing no problems. This question is important because many enthusiasts have claimed that depending on the material that the flywheel is manufactured out of, it can inadvertently affect the vehicles drivability. Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ His passion for anything that is fast, or has a V8, brought him to Power Automedia. All flywheels are balanced and thoroughly inspected for quality and fitment. These can be found in drag racing applications, and even for marine use. The larger balancing cones used on the static balancer came from No Mar as I remember (for their BMW motorcycle kit). Each flywheel option the company offers is manufactured for a specific vehicle application, and different driving habits. I keep a crank on hand that has been balanced by it's self to use as a mandrel to mount front or rear bits for balance. Action Clutch Flywheels are designed and tested to ensure the best quality and performance. 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. Design by: PelicanParts.com | Powered by vBulletin Version 3.8.7Copyright 2000 - 2023, vBulletin Solutions, Inc. off centered off balance. Any usage or mentions of these terms throughout our website and print ads are used for identification purposes only. What I do could be called silk purse. //damperdoctor.com/index.php?route=common/home. The original rubber is probably hard as a rock now. ENGINEERED FOR STREET AND LIGHT RACE APPLICATIONS. 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. 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. When parts for the old balance machine went NLA they spent $28000. Cleaning this surface prior totheinstallation is paramount for proper clutch engagement and lifespan. I have used a tire balance machine to balance my setup. We make sure to not go too light to prevent poor idle and driving issues like some of the ultra-lightweight brands. Once you've indexed the pressure plate you can drill some holes in the casing to remove metal. CA, Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive. I've been very happy . In the 25 years I worked at an auto machine shop I'd guess I worked on over 1000 balance jobs. In order to prevent any issues after installing a new clutch, or later down the line, its important to get the flywheel resurfaced by a qualified mechanic. Now comes the next question, what materials do you want to use with what? Jerry I am just trying to help..I also did some learning the hard way.. Price of balance went up. This is known as "Detroit Balance". let them pistons reach for the stars. Search Engine Optimization by vBSEO 3.6.0. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Let us know how it goes. 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. With so much inconsistency in enthusiast reports of flywheel performance, we felt this was a topic that merits discussion. Flywheel Tolerance What Is It? flywheel can obtain hot spots due to the excessive friction. While the flywheel is not an obscure component to comprehend, selecting the proper flywheel for a specific application is often shrouded in mystery for manyenthusiasts. In our hay day we got 17 sets of V8 heads out each day. I sometimes feel I'm wasting my time talking to you guys. 94 04 mustang Steve (CTR). The posts are mounted to the plate base which should be on rubber mounts to the feet. As for the clutch disc don't bother with it as it is light and stops in a different place each time. When it comes to flywheel options, more specifically, a lightweight flywheel, many enthusiasts worry about the issues associated with them. The flywheel will be easy, the cast weight will be small for 28oz early style, and large for 50oz . There has to be one somewhere. This is the point we are trying to get across. flywheel. Norton/SPEC:All SPEC flywheel applications can be machined or rebuilt by replacing a removeable friction surface. A neutral balanced flywheel or flexplate means that it isn't balanced out of balance or what is called "Detroit-balanced" like the 400SB and 454BB that are both "externally-balanced" engines. The flywheel also provides the ability to start the car, as it is geared on . 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. These types of vehicles require a bit more weight to maintain proper idle and to get the momentum to move off the line. All of your factory flywheels were cast iron, six-bolt pattern, and also fifty-ounce imbalance. Your Login Failed. The bike is back together and it is very smooth. The World's largest 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 I have seen are junk. Drill at this spot or put a weight opposite. 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 . Copyright 2021 action clutch. It has a tolerance. The boys here get $125. x=nIyX\hdw`1JD){58QY$eq_[>6?7|%Y5yVIIz,^u[mU4]urvy]&E$r Wg(G'jyiV%' We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. 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. Check out the full installation of this SPEC Clutch on our autocross C5 Corvette here. To clear up the confusion, lets discuss the differences between the two. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! 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. Hovsepian/Quarter Master: Whether it's a lightweight or neutral weighted flywheel, it must be balanced no question about it. Feel free to call us 208-453-9800. I remember when I had the engine balanced they wanted the . However, if a flywheel is manufacturedfor an ultra-lightweight application, then we wouldnt recommend resurfacing it. If you hold a chalk to the side of the flywheel by a fixed mount, it will leave a mark at the same spot as it rotates. Sounds like $75 for the job, such a deal. The balancing machine in the picture is supposed to have the piece being . Our Chromoly lightweight flywheels have gone through and passed engineering tests up to 15,000-18,000 RPM.All our Chromoly Flywheels are heat treated for extreme durability and saves you money by resurfacing multiple times. Saleen is a registered trademark of Saleen Incorporated. He indicated that 4 cylinder cranks usually are fine and don't need balancing. Location: San Marcos california, 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. Out of the box, the LCE flywheel was out of balanced around 36 grams (approximately) as I remember. Mal stop me man, Hey I'm OK. Hovsepian/Quarter Master:It is possible to resurface a flywheel in most cases. so how many engines have you guys balanced????? which way the piston rings go on the piston as well as how to index them on the piston? That's only good for static balance. : For registered members this ad will NOT show, Location: Palma de Mallorca, Spain, Many SPEC aluminum flywheel options, as well as certain steel flywheels feature a replaceable friction surface. 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. 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. , Do what you want to do. 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." #6. Car is an 1986 Cutlass with a 6.0L LS engine and the transmission is a T56. I need to take in my pressure plate and flywheel. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. SPEC reduces unwanted weight on a vehicles driveline by reducing mass in its entire clutch assembly, starting with its flywheel. Register now for free! Really !!!!! We check for many things when engineering a flywheel, such as overall balance, flywheel clearances or how improve the design. 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 . <> 5.0Resto, SVE, LMR are registered trademarks of Latemodel Restoration Supply, Inc. Ford, SVT, Special Vehicle Team, Ford Mustang, Ford Lightning, Mach 1, Mach-E, Shelby GT500, GT350, GT350R, New Edge, Boss 302, 5.0, Cobra R, Fox Body Mustang, Ghia, Turbo GT, SVT Cobra, Cobra Jet, Bullitt, California Special, Cobra, GT, V6, S197, SN95, S550, S650, Dark Horse, F-Series, F-150, Triton, F150 Raptor, Raptor, EcoBoost, Bronco, Bronco Sport, Badlands, Big Bend, Black Diamond, Outer Banks, Wildtrak, and Sasquatch are all registered trademarks of Ford Motor Company. Factory flywheel was cast iron, and six bolt pattern, and also 50 ounce imbalance. cam and bearings, frt. All of our flywheels are SFI Certified which meet the top performance standards in the automotive and motorsports industries. Hovsepian/Quarter Master:A heavy flywheel (to a certain extent) allows for an easier transition from a standstill to operation. Who balanced your previous motor? If you have a zero balance motor it means that you need a flywheel balanced to zero. 3 0 obj ENGINEERED FOR BOTH STREET AND RACE APPLICATIONS. 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. 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. <> 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. 10046031 Flywheel Dowel (Big-Block) Highly recommended for all high-performance and competition Big-Block engines; 1453658 Bellhousing Dowel and Clutch Housing/Transmission . 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. ESP. If you put a 28 oz flywheel, one that has a 28 oz weight tacked on somewhere on the outer circumference of the flywheel , the motor will vibrate like mad, eventually breaking something. I recently had a Mcleod Street Extreme clutch along with a Mcleod steel flywheel installed on my 2000 Mustang GT. They have had run out in and out up and down. Crank flange bolt pattern/sealing arrangement. I just had the Spec III put in my car using the stock flywheel. balancer, flywheel, piston ringsthe whole shooting match along with the " Correct " eng. It will be set up in a spin balancing machine to be run up to a speed of several hundred RPM to measure vibration. Have you tried to spin it with the presure plate moved around one hole at a time untill you find the best spot first? Aug 31, 2002. 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. front dampner and flywheel. PRESSURE PLATE BALANCE - Whenever balancing a pressure plate to a flywheel, do not weld on the clutch lever . FOLLOW: "the disc can land anywhere" - I shoulda thought of that! According to Vizards book crank balancing is fine if you have the cash and the time, but not really cost-effective. for a new computer driven machine. I keep hearing about balancing and stuff. You may want to go ahead and step up to billet steel. 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. But it still merits checking, and some people may be more particular (especially for a race engine). The clutch plate/disc does not get balanced with the assembly. The correct tolerances would be matched to what the OEM toleranceis, although this will vary per application. 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. %PDF-1.5 If it's a puck-type clutch, you're going to want to use either a billet steel or billet aluminum flywheel because a cast iron flywheel will just chew itself up. It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. Depending on the severity of the imbalance, it could lead to serious damage to the entire driveline if the issue is not addressed. Steve (CTR). 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. With certain factory applications,the OEM flywheel can actually be reused by having it resurfaced, creating a new layer of friction material for the clutch assembly and ultimately avoiding the cost of a replacement. Broken cranks, cracked bell housings, are all a result of out of balance. I want to register an account for free right now! Posts: 7,924. As dear old dad said advice is worth what it costs you and this I give you free. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. Our Chromoly lightweight flywheels have gone through and passed engineering tests up to 15,000-18,000 RPM.All our Chromoly Flywheels are heat treated for extreme durability and saves you money by resurfacing multiple times. A device like that will show the heavy spot at 6 o'clock but it doesn't tell you how much to take off, bit of "hit and miss". Since this is such a massive part with large diameter, it has to be balanced, and the factory usually does a pretty good job of it. These are a very specific flywheel application and are not meant to be used on the road or in track vehicles, as the additional weight is not necessarily wanted in higher revving applications. 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. Passwords are case-sentive.If you continue to have problems click on the Help Icon for additional options. The LS6 engine is balanced externally with balancing pins in the. Steel is the best friction surface for most materials because it offers a good seatability and wear pattern. I had a really bad vibration. 3912 Whittier BlvdLos Angeles, CA 90023(323) 269-6051. 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. .Bi@f|nsK_A2^xMxTL-''P EU4Y#~'iwfR?Ny?|yE]EJ^yZ?6O&_'@g not trying to be smart here.. but your way over your head in this dept. <>>> Have you been searching for the correct flywheel for your 82-95 Mustang? What is SFI? Roush is a registered trademark of Roush Enterprises Inc. Eaton is a trademark of the Eaton Corporation. 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. Good luck with the build. That must be a clutch only price. 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. 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. Changing a clutch in a car is never an easy task. Hovsepian/Quarter Master:Whether its a lightweightor neutral weightedflywheel, itmust be balanced no question about it. "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. I would send ALL of it to a good machine shop & have it balanced together as a unit. The goal is to make a power application the most efficient, as its not always about where the car is driven. A flywheelimbalance can destroy engine bearings and other driveline components if the flywheel is not balanced, and also not in its allowable tolerance. A service shop may later add weight by welding small weights to the edge of the cover. I've come to realize that nothing has been done to this car by the previous owner's except for basic matinance, even though i was told other wise. This is, of course, after the flywheel has been balanced as well. All rights reserved. Out of the box, the LCE flywheel was o. 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. Action Clutch Chromoly Lightweight Flywheels have three major benefits: low weight, low inertia and high thermal capacity. This left me with about 14 grams out of balance. YES! Also of mention is that sometimes shops balance the flywheel . PLASTIGAUGE the crank bearings? A flywheelimbalance can destroy engine bearings and other driveline components if the flywheel is not balanced, and also not in its allowable tolerance. Should you need information on something not found below, there will likely be a little more research to be done. Never built another without balance. I managed the largest auto machine shop in eastern Va. for 25 years. I built my first Cooper S engine in 73/74 and when I started it and got it running perfect it shook so bad at certian RPMs I took it apart and had it balanced and installed new rings. Let's make sure we're showing you the right parts! For a better experience, please enable JavaScript in your browser before proceeding. Each manufacturer has its own unique process for creating flywheels. All rights reserved. Ideas or links to other posts welcome. Sabeo.m I just bought a nice used FW off fleeBay. Had two crank grinders running all the time. p.s. Please try again. From the factory, your '82 to '95 Mustangs came with a ten-inch clutch and was a fifty-ounce imbalance flywheel. The shop is not in ahigh rent district and that probably helps. Manufacturer of Performance Clutches and Flywheels Since 1962. For example, a very light flywheel can make a clutch feel more aggressive. The factory . Due to the loss in mass, these tend to require changes in your driving habits which can be a bit irritating for daily use. I have nothing to gain from leading you astray. My bits are ready for balancingthe second engine needs a SPI clutch (an MPI clutch was sent) and crank lapped then both can go off together. When I was in the biz 4 cyl balance was $125.
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