I heard somewhere that adding a lightweight flywheel causes the car to make power, but lose torque. The other downside of the lightened flywheel comes between shifts. For street applications where you might use the car as a daily driver in. I think it would be great in the subaru, it would definitely help what some people call hanging rpms. This previous question explains what a flywheel does and why it is needed. It just seems like the price goes up significantly w the addition of a flywheel. But notice that they invariably involve engines turning faster than the original design limits, and do not always involve alloy flywheels. However, the lighter flywheel sometimes 11 lbs or less. Choosing a steel or billet aluminum flywheel ultimately comes down to the vehicles planned uses, such as drag racing, road racing, daily driving. It has very basic mods maybe a stage 2, but one thing the previous owner did was throw an act clutch and flywheel into it.
My car is %100 daily driver at the moment, but once its up to a reliable spec, and the budget allows, i intend to have a go at drag racing, and eventually long term some track work. Jc racing ruckus grom honda lightened flywheel big carb engine porting cnc lathe machining production haas st10y st10y st10 atv quad dirt bike pit mini. Regardless, im thinking its about that timeim at around 78k, po did autox it. Using a lightened flywheel with a stock, non counterweighted crankshaft requires using a gb 440e equalizer pulley to dampen harmonics, bending, torsional twist and vibration. He already stated that he has the inertia for the various shapes of lightened. Opinions on lightweight flywheels for an everyday driver. Someone asked about daily driving with the single mass. To find out more about how lightweight flywheels work and why, we. Yes, youre gonna be shaving some rotational mass off your mustang here, compared to your heavier factory flywheel, but at the same time, the steel version that we have. Aluminum vs steel flywheel mustang forums at stangnet. First thing i noticed besides faster accleration was a loss of about 12 psi boost omori boost guage, apexi avcr originally set for 15psi, stock ct26, apexi intake, berk dual exhaust, gutted cat, grredy sidemout.
Im only spraying a 35 shot, so my hp isnt anything crazy. Clutch rotational speed is as before, but speed differential w flywheel can exacerbate wear, but minimized by skillful revmatching. A lot of ppl out there cite that a lightened flywheel will make you stall more. As far as driveability goes, it just takes a little bit more concentration to get going from a standing start, especially in stopandgo traffic or on hills. A flywheel that snaps will send a buzz saw of metal through the car potentially causing injury to driver or passenger.
Lightened flywheel turbo spool page 2 mr2 owners club forum. Here is a video showing some normal driving situations. The time between clutch and shift at ideal revmatch is reduced, and the window of opportunity to make a perfect shift is also reduced. Mar 18, 2010 dear import tuner, i have a suggestion for your fact or fiction section.
However, you can change the ring gear between the two. Apr 21, 2008 for a daily driver itll make tottering around town worse because the factory flywheel works well for low rpm gear changes due to its extra weightmomentum. Mcleod mustang racing lightened steel flywheel 8 bolt. A lightened flywheel the way tep does it takes it down. For a daily driver, you engage the clutch a lot but dont floor it a lot so i wouldnt bother with a lightened flywheel.
The thing that should be stressed is that they are really not for cars driven on a daily basis. Depending on rear of engine dont forget to buy the inner o ring seal also. Jul 09, 2011 i can easily get the standard flywheel machined, but i can also get a nismo chromoly lightened one at a very good price, and brand new. Benefits of fidanzas lightweight flywheels on street and track. Lightened flywheel lightened flywheels are the realm of drivers most dedicated to performance. Choose this lightened flywheel for any sporttuned 1. Lightened flywheels are the realm of drivers most dedicated to performance. Feb 28, 2010 lightened flywheel posted in virtual mechanic. In this video i explain the advantages and disadvantages of lightweight flywheels. Jc racing ruckus grom honda lightened flywheel big carb. Lightweight flywheel in traffic test drive youtube. When i get it back i will report on my perceptions of the differences, as i know this is a popular topic here. The aluminum flywheel and drive plate measured a relatively svelte 15 and 14 pounds, respectively. The flywheels are not interchangeable due to the smaller diameter of the 0 unit.
However, an upgrade for many cars when looking at performance enhancements is a lightweight flywheel. Yes, youre gonna be shaving some rotational mass off your mustang here, compared to your heavier factory flywheel, but at the same time, the steel version that we have in this video is gonna be a little bit more daily driver friendly, stopandgo traffic, things like that. I can easily get the standard flywheel machined, but i can also get a nismo chromoly lightened one at a very good price, and brand new. The combo knocked a total of 26 pounds off the reciprocating weight.
Mar 20, 2011 im getting some different opinions on which type of flywheel to go with. Performance boosts from a lightweight flywheel lwfw part 1. Mcleod mustang lightened steel flywheel 6 bolt 28oz. Im just wondering if a lightweight flywheel will be a good idea for it.
Reducing rotating mass lightweight flywheels and clutches. Why you should reconsider choosing a light flywheel. Without doing so can cause premature case, piston, rod bearing and even possible crank damage. So there is a wrx that i have my eye set firmly on and a friend and i are having somewhat of a debate about whether or not to leave a lightened flywheel in it. Im in the process of rebuliding an engine for my mini.
What are the benefits of a lightweight flywheel and why. Not only does it let you shift faster, you must shift faster and more precisely. Feb 09, 2015 forced induction for the daily driver. I have a fidanza lightened flywheel on my 03 and i have 14. Dear import tuner, i have a suggestion for your fact or fiction section. Off the shelf lightened flywheels are carefully balanced and made of. Lightweight single mass flywheels are popular upgrades from the standard and heavy dual mass flywheel. Bear in mind that they are really not for cars driven on a daily basis. What are the benefits of a lightweight flywheel and why arent they. On this note as well, the lightened flywheel makes it way easier to heel toe and rev match providing the driver has adapted to the sensitivity of rpms reving up neutral to first gear heres where i found there to be a lot of misconception. On my wreck of an engine it has a verto clutch, from what i can make out is heavy, but im thinking to leave it on as my car will hopefully be a daily driver so ill be using it at lower revs. I hate to break it to you but thats not really much of a lightened flywheel. Unless you are building a race car, you might borrow a short.
That explanation means that the flywheel needs a certain amount of mass to do its job. Once the clutch is disengaged it means the engine is going to rotate slower, because the heavy flywheel is not there to keep the momentum going. Lightweight flywheel, lightweight pulleys, and the subaru. Jun 17, 2007 so there is a wrx that i have my eye set firmly on and a friend and i are having somewhat of a debate about whether or not to leave a lightened flywheel in it. I love my lightened flywheel, makes the car sound way more snappy too. What is the most up to date info on running a lightened 12lb flywheel in a daily driver and not a 14 mile racer. The flywheel just has less mass, thus will rev to speed in less time. The plans for the engine is to rebored to 1293, kent 276 camshaft and med stage 2 head. Btw, you will want a new throwout bearing and be sure to check the clutch fork.
The only disadvantage is a little clatter sound at idle and downshifting for. Once the clutch is disengaged it means the engine is going to rotate slower, because the heavy flywheel is not. So should you buy a lightweight flywheel for your car. Jc racing ruckus grom honda lightened flywheel big carb cnc. A couple years ago, i replaced my oem fly with an aftermarket lightened chromoly one. On my 0s, i always either used a lightened 1500 flywheel or lightened and redrilled to fit the 1500 clutch. The difference in acceleration at low speeds is very noticeable. I heard somewhere that adding a lightweight flywheel causes the car to. Off the shelf lightened flywheels are carefully balanced and made of various alloys blended for strength and lightness some even come with holes and gaps like an alloy wheel. A lightened flywheel the way tep does it takes it down to about 21 lbs from the stock 35 lbs. A lightened flywheel is one of the best modifications you can make to a car it takes a lot of inertia out of the engine and so the whole car feels noticeably more lively. I am used to shifting a lot because its a diesel anyway. A lightened flywheel produces more responsive shifting and engine rpms as well as generally improved acceleration throughout the gears. Using a lightened flywheel with a stock, non counterweighted crankshaft requires using a gb 440e equalizer pulley to dampen harmonics, bending, torsional.
This mcleod racing lightened steel flywheel can still work out well for a daily driver. The only disadvantage is a little clatter sound at idle and downshifting for big hills. This whole procedure is much more sensitive with a light flywheel and a stiff, grabby clutch. For a daily driver itll make tottering around town worse because the factory flywheel works well for low rpm gear changes due to its extra weightmomentum. Bear in mind that they are really not for cars driven on a daily. Opinions on lightweight flywheels for an everyday driver nasioc. I have an unorthodox flywheel which weighs 12 or lbs on my daily driver. A lightened flywheel will produce more responsive shifting and engine revs as well as generally improved acceleration throughout the gears.
Unless you are building a race car, you might borrow a short drive in someones car that has both lightened components. So with a very light flywheel then there will be less mass spining at low revs and maybe a tendency to stall so youll have to rev it a lot to get it moving. If i were to do it again, id leave an oem clutch flywheel in the carseat laden, daily driven sube and put a light weight flywheel in the miata. Aug 31, 2005 the aluminum flywheel will help you decelerate quicker and accelerate a tick quicker if you want that little extra addition but some things to think about with the afw is starting from a stop, particularly on hills, may require more slipping of the clutch to make up for the lower momentum than is stored in the heavier stock flywheel. If your rear main seal is leaking then id remove the flywheel to replace the seal. The thing that should be stressed is that they are really not for cars driven on a. Now, because of that, i would highly recommend this option if your. Whether youre searching for a flywheel application for drag racing, autocross, road racing, or a daily driver, well help make your choice easier. Frankly, my assumption is that a 10 pound flywheel and a more aggressive clutch on an lnf may be a bit of a chore on the street on a daily driver.
Please provide info for obtaining a lightened flywheel for a 912e. On this note as well, the lightened flywheel makes it way easier to heel toe and rev match providing the driver has adapted to the sensitivity of rpms reving up neutral to first. Id suggest not to use an impact gun to the gland nut or possible snapping of the head can result. Lightened flywheel all truth no bs 8th generation honda. A lighter flywheel will help the engine rev a little easier but a lot of people say that they dont notice it. My thoughts are i could go with the 12lb flywheel and keep the 6lb pulley on the other end to balance it out a bit. It needs rpms to get going not much id imagine but once it does will provide much less restriction on how fast you hit redline. At some point i will need a new clutch so that is when i will make the change. Removing weight from a performance car is a normal thing to do, so a.
Jun 03, 2016 the flywheels are not interchangeable due to the smaller diameter of the 0 unit. Hi guys, still not decided on a flywheel yet but think i will be sticking with an oem clutch. The lighter the flywheel, as soon as you hit the clutch, the faster the engine speed will drop. Both stock and lightened stock flywheels can also explode. When mated to a stiffer clutch, a lightened flywheel can improve acceleration and shifting feel. It would allow you to match revs better and easier when shifting up. The aluminum flywheel will help you decelerate quicker and accelerate a tick quicker if you want that little extra addition but some things to think about with the afw is.