you can also have the individual parts (just flywheel or pressure plate) balanced individually but to get the nTH degree balance as an assembly. I just had the Spec III put in my car using the stock flywheel. Balancing a clutch assembly is crucial to its ability to properly function, and it all starts with a balanced flywheel. Can't wait to get it installed now. How to resurface your flywheel, pressure plate & clutch yourself for free! FOLLOW: 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. For a better experience, please enable JavaScript in your browser before proceeding. The down side is i didn't include the cost for these new parts in my engine rebuild buget :0( Oh' well there's no saving these parts, so i gotta get em all new Man this is an expensive hobby! Or it will at least be very costly. Hopefully those motors have ALL the balance in the harmonic balancer & there are no extra weights on the flex plate/converter. Within these materials, a flywheel can have a specific grade of metal, such as chromoly-steel, 1040-steel, 6061-aluminum, or even 2024-aluminum. 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. Exactly !!!!! Spec 3 and Fedenza, no balancing no problems. Aluminum is too soft, and titanium is too hard for most friction materials. 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. 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. 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. 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. Now comes the next question, what materials do you want to use with what? The flywheel also balances the engine as it is specifically weighted the engines crankshaft, and most importantly, the flywheel connects the engine to the transmission through the clutch in order to provide power to the wheels. If in doubt, flat out. From the factory, your '82 to '95 Mustangs came with a 10 inch clutch. it'll take it dog if you don't do thismake sure you have road side asst. Chromoly is an abbreviation for chromium-molybdenum steel" due to its property of incorporating alloy elements chromium and molybdenum. MSC offers new as well as several other suppliers. Broken cranks, cracked bell housings, are all a result of out of balance. OK, I just found out my engine rebuilder DOES do balancing. #6. Never built another without balance. and this is just the tip of the iceberg. Out of the box, the LCE flywheel was out of balanced around 36 grams (approximately) as I remember. Is this a good idea? 475 rwhp 450 rwtq. The balancing machine in the picture is supposed to have the piece being balanced spun , not too fast maybe 800 - 1000 rpm . Norton/SPEC:How a specific application responds to driveline inertia depends on vehicle weight, gearing, and engine power curve. The LS6 engine is balanced externally with balancing pins in the. 4 0 obj This means the flywheel will not require any extra balancing after the machining process. We reached out to Dan Jenkins of Fidanza Performance, David Norton of SPEC Clutch, and George Hovsepian of Quarter Master. I guess that's why matinance records are so important when buying an older car especailly a 911. No vibration before or after the 1500 rpm mark. <> Flywheel Tolerance What Is It? Roush is a registered trademark of Roush Enterprises Inc. Eaton is a trademark of the Eaton Corporation. , Always remember to do it right the first time, because its done wrong, there might not be a second time. This is the point we are trying to get across. They have had run out in and out up and down. Jerry I am just trying to help..I also did some learning the hard way.. This left me with about 14 grams out of balance. There is a thread describing this on here. I would look elsewhere and for a knowledgeable Mini person to do my work if i were you, a Mini crank absolutely needs balancing don't do it and you will regret it down the road. So the flywheel, clutch, and pressure plate were all replaced. 10046031 Flywheel Dowel (Big-Block) Highly recommended for all high-performance and competition Big-Block engines; 1453658 Bellhousing Dowel and Clutch Housing/Transmission . With that in mind we asked each for some strong tips, tricks, and general words of wisdom and information for enthusiasts regarding flywheel selection. Additionally, on the manufacturing side,we heat press, fasten and in certain applications even weld ring gears to our flywheels. 94 04 mustang Not so great for drag racing, because you lose the inertia that you need to get the car moving right off the starting line. Hovsepian/Quarter Master:It is possible to resurface a flywheel in most cases. 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. 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. Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ The clutch plate/disc does not get balanced with the assembly. It should also be checked Mal stop me man, Hey I'm OK. 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. The ability of the flywheel to control heat and maintain tolerance can also prolong clutch performance and wear under extreme conditions. The following information will help you choose the correct flywheel. 3 0 obj A service shop may later add weight by welding small weights to the edge of the cover. Factory flywheel was cast iron, and six . After the flywheel is well balanced, the clutch assembly can then be mounted on the flywheel with the friction disc very carefully centered. 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. Jenkins/Fidanza:It is highly recommended to balance the flywheel and clutch assembly together before installing them into the vehicle. - asinine not to imo. 79 93 mustang They are specifically made for light to high tuned racing cars that see drag racing, drifting, autocross, street use, and rally events. ), http://www.clubcobra.com/photopost/dall_Small_.jpg, ERA #732 - Pics from the ERA Owners Gallery. As we mentioned earlier, the flywheel is a specific component which must also be matched with the correct clutch assembly for that application. Everything is lubricated (bearings, etc.) The posts are mounted to the plate base which should be on rubber mounts to the feet. Which made it a very common upgrade to make the switch to a 10 and 1/2 inch clutch whenever you go to swap out the clutch. When it comes to flywheel options, more specifically, a lightweight flywheel, many enthusiasts worry about the issues associated with them. The edges of the flywheel have teeth, similar to the edges of a quarter, in order to grab onto the starter motor and the flywheel itself is bolted in between the clutch and the engine, inside the transmission bell housing. As such, the flywheel can obtain hot spots due to the excessive friction and heat over time, which in turn can cause vibration whenever its engaging and when the vehicle is under acceleration. 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. 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. The shop is not in ahigh rent district and that probably helps. Crank flange bolt pattern/sealing arrangement. 2 0 obj Website content, text, & images Copyright 2023 LMR.com - All Rights Reserved. Flywheels can be manufactured from any of a variety of materials, including various grades of steel and billet aluminum. How "balanced" are we talking? Hi guys. I just got my flywheel and clutch back from the machine shop. Our flywheels are engineered to improve throttle response, quicker shifting, and reduces clutch wear depending on your drivability. However,a lightweight flywheel isnt always ideal depending on the application. His passion for anything that is fast, or has a V8, brought him to Power Automedia. %PDF-1.5 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. Norton/SPEC:Steel, aluminum,and titanium are most commonly used to manufacture a flywheel. Reply. Technically the 4.6 3V is internally balanced or a "zero" balanced motor. A heavier flywheel, such as billet steel one, will help to carry the momentum of the vehicle in larger vehicles. cam and bearings, frt. Cobra Make, Engine: Everett-Morrison LS1. with stanchion tube ultra low friction oil. A quick image of a SPEC clutch and flywheel combination being manufactured. The inertia properties of the flywheel can accentuate clutch attributes. But you should take the pair to a good machine shop and have the dynamic balance checked and adjusted if necessary. 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. The friction surface material and inertia most directly affect how the clutch feels to the end user, and will ultimately dictate other factors, such as performance and wear life., Our flywheels are designed as a direct OEM replacement, which means they willmeetor exceed all factory tolerances. I sometimes feel I'm wasting my time talking to you guys. 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. We will safeguard your e-mail and only send content you request. In addition, engine balance there are three other important factors to consider. I would order a new front pulley and damper. Do what you want to. Related problem. to do the flywheel, back plate diaphram, pulley and damper using my balanced crank. The larger balancing cones used on the static balancer came from No Mar as I remember (for their BMW motorcycle kit). Drill at this spot or put a weight opposite. Steve (CTR). With so many performance flywheel options on the market today, it can be difficult to understand all of the different items available. Balancing doesn't "have" to be done, and race builders also alter the balance to allow for some positive benefits by overbalancing. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If reusing the old pulley check for seal wear and possible wear in the bore and keyway. FW Clutch have rebuilt a number of NLA clutches for vintage cars we've worked on. This s a big reason but not the only one why serious racers build niter ally balanced engines as then all that needs to be done to interchange parts like the flywheel or flexplate . Let's make sure we're showing you the right parts! PP and flywheel get balanced as an assembly, the disc does not. 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. //damperdoctor.com/index.php?route=common/home. 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. Randy, I've been using Fort Wayne clutch in (Big surprise here) in Fort Wayne IN for years. I recently had a Mcleod Street Extreme clutch along with a Mcleod steel flywheel installed on my 2000 Mustang GT. $50 for balancing the motor is a good price. Its recommended to balance the entire assembly as a whole after verifying the tolerance level of the flywheel itself. Many applications have little-to-no drivability downsides when utilizing a light flywheel. He doesn't need the clutch. Steve (CTR). The balancing machine in the picture is supposed to have the piece being . engine side and face side. These engines needed more weight to balance them so Detroit put some of the extra needed weight . "the disc can land anywhere" - I shoulda thought of that! I want to register an account for free right now! SPEC utilizes high carbon-steel and grain-formed forged aluminum to manufacture its flywheel options, which we believe is the ultimate benefit in aluminum-alloy integrity. eV/ .c}%&?i.csayH,/~D^U! }X2pF?Ui4+D9?zsz0k n'O|oF}O3I}oa-7|. Also, enthusiasts must prioritize performance and drivability. I have used a tire balance machine to balance my setup. Jenkins/Fidanza:Avoiding premature-wear, ensuring correct operation and fitment, and clutch engagementare just some of the reasons a flywheel must be machined to a specific tolerance. PP and flywheel get balanced as an assembly, the disc does not. 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. Any imbalance will be felt , like a road wheel out of balance. With so much inconsistency in enthusiast reports of flywheel performance, we felt this was a topic that merits discussion. All I have seen are junk. Discussing Weighted Versus Lightweight Flywheel Options. I recently purchased a Hays clutch kit along with a new flywheel and in the "Dos & Dont's Problems" paperwork from Hays. As you drive a manual transmission car, the clutch is constantly coming in contact with the flywheel when you release the clutch pedal. Should you need information on something not found below, there will likely be a little more research to be done.
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