I guess that's why matinance records are so important when buying an older car especailly a 911. Also of mention is that sometimes shops balance the flywheel . I have nothing to gain from leading you astray. MSC offers new as well as several other suppliers. 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. However, if a flywheel is manufacturedfor an ultra-lightweight application, then we wouldnt recommend resurfacing it. But it still merits checking, and some people may be more particular (especially for a race engine). Hi guys. Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. A quick image of a SPEC clutch and flywheel combination being manufactured. Hovsepian/Quarter Master:Whether its a lightweightor neutral weightedflywheel, itmust be balanced no question about it. We will safeguard your e-mail and only send content you request. Spend another $20 and get the crank checked, piece of mind is worth it. Jenkins/Fidanza:Although a lightweight aluminum flywheel in certain instances is sufficient, enthusiasts may need a flywheel with more mass, or even one that has less mass than a standard aluminum lightweight flywheel. I would balance them before I put them in so you don't have the same problem I'm having. 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. Design by: PelicanParts.com | Powered by vBulletin Version 3.8.7Copyright 2000 - 2023, vBulletin Solutions, Inc. We do offer a lineup of steel flywheels that do not have a replaceable friction surface. You need to check with the shop that did your balance work or any of your machine work to find out what flywheel you need to order. 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. Everything is lubricated (bearings, etc.) 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 the point we are trying to get across. 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 . Achieve better results than static balancing with a simple set up, and the tool below:https://www.emachineshop.com/dynamic-flywheel-balancing/ The manufacturers we involved in this article have dedicated an immenseamount of research and engineering to develop a high-performance, highly capable flywheel for virtually any application imaginable. which way the piston rings go on the piston as well as how to index them on the piston? On a racecar, the flywheel is often times made as small and light as possible. FOLLOW: After rearranging the parts (moved the clutch housing and spring plate marks closer together to offset the flywheel) it hung level. Clutch diameter: 10.400" Starter ring gear teeth: 153; Lightweight nodular iron . Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. How "balanced" are we talking? It's actually done with bob weights on the journals, with harmonic, flywheel, and clutch installed - and a fudge factor thrown in for the. 4 0 obj For example, a flywheel manufactured out of 2024-aluminum will work excellent when paired to a button-style race clutch. Any time you're going to be using a clutch that has a puck typeface, semi-metallic, ceramic, doesn't matter. The bike is back together and it is very smooth. For starters, it provides the initial inertia to get the engine running and also provides the rotational inertia to keep it going, otherwise, the engine would stall when you lift your foot off the gas. Another broken crank would suck!! What is SFI? We want to get to know you.Stay connected with us. Action Clutch specifically designed our Chromoly flywheels for a reduction in weight and inertia for better engine response. To clear up the confusion, lets discuss the differences between the two. 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. Due to the loss in mass, these tend to require changes in your driving habits which can be a bit irritating for daily use. - asinine not to imo. In addition, engine balance there are three other important factors to consider. SPEC maintains a one-one-thousandth machine tolerance to assure a perfect rotational integrity, fast clutch seating, and maximized drivability. When it comes to engine and transmission work, it can be a pain to have to do anything twice. I recently had a Mcleod Street Extreme clutch along with a Mcleod steel flywheel installed on my 2000 Mustang GT. 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 ?????? The flywheel will be easy, the cast weight will be small for 28oz early style, and large for 50oz . Doing the rods, pistons and crank with all rotating parts other than disc current price is $250 to $280. This route gives you an almost infinite lifespan for the flywheel, allowing it to be rebuilt multiple times without changing the dimensional features required for correct clutch operation. 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. 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. Billet aluminum is suited well for the road course where you can have instant acceleration out of the corners. This is done by adding weight to the outer extremities of the cover. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. A service shop may later add weight by welding small weights to the edge of the cover. Login with your E-Mail Address. Price of balance went up. A flywheelimbalance can destroy engine bearings and other driveline components if the flywheel is not balanced, and also not in its allowable tolerance. non biased Shelby Cobra related site! Although some parts can be reused when changing a clutch, its often advisable to replace everything with new parts and get the flywheel resurfaced. Static is a good place to start but spinning the assembly is better also if you have the clutch plate centered in the assembly. 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. Most lightweight flywheels can be used in both street cars and race applications. How to resurface your flywheel, pressure plate & clutch yourself for free! Hovsepian/Quarter Master:A heavy flywheel (to a certain extent) allows for an easier transition from a standstill to operation. The flywheel can typically be resurfaced pretty easily and should be a relatively low-cost procedure. <> 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. If the flywheel is too worn and cannot be resurfaced, then it is advisable to replace the whole thing with a new part. I think that I will buy a new harmonic balancer, they appear to be cheap anyway. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 22 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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. Factory flywheel was cast iron, and six . front dampner and flywheel. If you have a zero balance motor it means that you need a flywheel balanced to zero. If that's the case, you can use a neutral balanced flywheel. He indicated that 4 cylinder cranks usually are fine and don't need balancing. For externally balanced 454 Mark-IV 2-piece rear main seal engines; BOLTS AND DOWELS. Our flywheels are built for racing and performance. Aluminum is too soft, and titanium is too hard for most friction materials. The LS6 engine is balanced externally with balancing pins in the. With so many performance flywheel options on the market today, it can be difficult to understand all of the different items available. But you should take the pair to a good machine shop and have the dynamic balance checked and adjusted if necessary. Our flywheels are engineered to improve throttle response, quicker shifting, and reduces clutch wear depending on your drivability. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. so how many engines have you guys balanced????? The boys here get $125. Flywheels can be manufactured from any of a variety of materials, including various grades of steel and billet aluminum. i know you don't with that done and you somehow manage to assemble the rest correctly..you will be able to beat the liven crap out of her for a long time. Our lightweight flywheels improve performance and assist with quicker revving. zildjian4life218 said: I just replaced my LS7 clutch that is in my car with a Monster stage 2. Let's make sure we're showing you the right parts! Now from '86 to '95, all the clutches were upgraded to the 10 1/2 inch version that we know today. They're average on price, around $40-50 to balance. I just had the Spec III put in my car using the stock flywheel. Steve (CTR). A centre punch works pretty well to mark the parts. An example of this would be a vehiclesdriveline set-up orthe type of clutch being used (pull versus push style). As with most things, there are going to be trade-offs. Reply. Proper step and recess dimensions assure clean and consistent clutch actuation and promote maximum clamp load. CA, Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive. Spec 3 and Fedenza, no balancing no problems. Any factory engine or any rebuilt factory engine is going to take a 50-ounce imbalance flywheel. Late Model Restoration has no affiliation with Ford Motor Company, Roush Enterprises, Eaton, or Saleen. It should also be checked 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. Cobra Make, Engine: Everett-Morrison LS1. The lighter a flywheel is, the faster it spools up RPM; but also means the harder it is to start from a standstill. The balancing machine in the picture is supposed to have the piece being balanced spun , not too fast maybe 800 - 1000 rpm . It is a small block LA Motor with a mild camshaft backed up by a 833 4 speed trans. That said I agree with Steve and Malcolm about balancing the crank. The original rubber is probably hard as a rock now. It has a tolerance. not trying to be smart here.. but your way over your head in this dept. I would order a new front pulley and damper. flywheel. Norton/SPEC:Steel, aluminum,and titanium are most commonly used to manufacture a flywheel. A flywheel that has become out of balance will cause a vehicle vibration that increases with engine speed. SPEC reduces unwanted weight on a vehicles driveline by reducing mass in its entire clutch assembly, starting with its flywheel. Once you've indexed the pressure plate you can drill some holes in the casing to remove metal. We check for many things when engineering a flywheel, such as overall balance, flywheel clearances or how improve the design. 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. Free shipping on all orders $100+ Lower 48 states only. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. p.s. I need to take in my pressure plate and flywheel. The larger balancing cones used on the static balancer came from No Mar as I remember (for their BMW motorcycle kit). I think that bolt in the back of the Flywheel may hit the block anyways. They are balanced and no metal had to come off or be added. 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 . Out of the box, the LCE flywheel was out of balanced around 36 grams (approximately) as I remember. This video shows how I went about balancing my LC Engineering flywheel (35 lb steel) and AISIN CTX-107 pressure plate. For not a lot of money the crank could/should be done also. With so many different choices readily available, we wanted to know how the different materials can affect the overall integrity of the flywheel and its drivability characteristics. 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.