Lightweight flywheel horsepower gain Sep 4, 2004 · i just bought a center force clutch and need a flywheel, i was looking at the alum flywheels on ebay. Faster shifting. May 31, 2012 · Just having "a lightweight flywheel" isn't going to mean much though. A little slower reaching 6000 RPM with heaver reciprocating assembly. I think that is bad , especially on an I-4. Mar 8, 2010 · realistically, what sort of power gains are to be had from a lightweight flywheel ( for my NA6CE ) I am looking at a lightweight billet chromoly steel one from Japan TIA Michael, I had the FUJIRACING 3. Mar 18, 2021 · Here is a way to more HP that makes me want it real bad: swap to an S54, the beast that powers an M3. $100 core Aug 26, 2008 · Also, I think the range for the reflash and turbo are about 360-380 rwhp depending on if it's auto or manual transmission. Nov 5, 2005 · The bike with the lighter person doesn't produce any more HP/TQ, but the power to weight ratio was seriously affected. This test highlights the performance gains attributed to reducing rotating weight, showcasing the benefits of lightweight flywheels for racing applications. Is there an actually documented performance gain from Using a lightweight flywheel. Oct 14, 2012 · Bolt-Ons And All-Motor. Tuning/Dyno Results Lightweight flywheel power difference Though it does not create additional horsepower, the flywheel does allow the engine to more rapidly transfer its power to the drive train. 254 kg = 9. Sep 24, 2020 · The original question of does a lightweight flywheel add power, the answer is 100% No. The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. 12 horsepower-seconds stored. Power gains typically begin in mid-range of the power band and increase steadily across the power curve. If you are not concerned with this, then there isn't much to worry about. The most popular lightweight flywheel brands we use are: Fidanza; Competition Clutch; RPC; Exedy; Each one has its own advantages and disadvantages depending on which engine you have. i want to say the ZO6 crowd is getting some amazing gains with them. Even standard flywheels that are put into cars are balanced. With a total peak rear-wheel horsepower of 285. Cut precious tenths off your track time with this quick-shifting, superior performance part. com Jan 20, 2008 · Long story short. Now with more math! Lightweight single mass flywheels are popular upgrades from the standard (and heavy) dual mass flywheel Porsche installed as standard on A general rule of thumb for weight loss equivalence to "gained" power is approximately 10lbs/hp. Although I'd venture to guess that the difference is very small. Lighten your flywheel and gain horsepower with performance flywheels from Spec, fidanza, centerforce and many other brands. 4 seconds with the stock Jul 28, 2023 · I have actually proven that a heavier flywheel made my Kawasaki 750 SXi faster than when the Light Jetinetics Flywheel was installed, by drag racing against a friend's Ski, and the Stock Flywheel SXi was much closer at WOT to the reference Ski than the SXi was with the lightweight Flywheel to the reference Ski. Mar 9, 2003 · How many HP gains????? Jump to Latest 974 views 2 replies 3 participants last post by WytchDctr Mar 10, 2003 Jul 24, 2003 · actually think of it, the lighter it is the easier it will be to spin due to less weight or less of a strain to rotate the flywheel, actually increasing the speed of the rotating mass, the point of the lightened flywheel is to reduce the weight so it will increase in rpm and the speed the car can gain also will increase quicker, almost as in added hp will do about the same May 24, 2014 · At 6000 RPM, a typical 25 pound (400 oz) flywheel has about 32,916 joules of energy. Great write up tho, thanks! Sep 2, 2010 · On a small, lightweight car with a lower horsepower engine, I think you will notice the affects of a lightweight flywheel even more. Another 10 hp is easily gotten by getting the car up to Euro Spec. this is easily fixed tho by adding headers and l;louder exhaust or simply turning up the music. They were substantially lighter wich helps free up some HP and helps the engine rev quicker. How are they to drive? And should you put one on your car?Follow me @prayedfish: https://www. Dec 31, 2014 · Run on the dyno, the weight reduction resulted in measurable power gain, as the power output of the 383 jumped to 542 hp at 6,500 rpm and 476 lb-ft at 5,400 rpm. Mar 2, 2010 · The lightweight flywheel gives a pretty significant acceleration difference, especially in 1st and 2nd. I loved that it had factory timing marks and a steel sleeve on the portion of the crank pulley where the oil seal rides. on my STi, i thought that it helped reduce turbo lag a little, in helping the motore rev more freely, i can't wait to put an Feb 20, 2010 · you say. Lightweight Flywheel Kit. 2 Mar 18, 2010 · Since flywheels are solid, unsprung components of a vehicle's driveline, a lightweight flywheel will decrease parasitic loss at a constant rate, improving a vehicle's horsepower and torque output Feb 5, 2004 · Dark Mode; Light Mode; menu Log in Mar 21, 2016 · 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. Jun 12, 2002 · 2. Aug 31, 2016 · Similar to a heaver flywheel no HP gain but more stored/Kinetic energy. Feb 16, 2017 · But what your test really doesn’t show is the torque gain on acceleration dew to spinning up a lighter mass. Your vehicle will engage quicker, feel lighter and become more responsive with this carefully crafted Ralco RZ Aluminum Speed Flywheel. 5 hp gain = $76. 5" CAI and Supersprint Sport Exhaust were the only engine mods I made 205rwhp and 208rwtq After installing my dinan gen 2 exhaust and the JB Racing 10lb flywheel, same intake. Lightweight flywheels have proven themselves to be a worthwhile performance enhancement. Maximum horsepower was achieved in 8 vs. When I was weighing whether or not I wanted to shell out the coin for my 8lb aluminum flywheel, I looked up the equations to estimate the equivalent WHP gain and put together a spreadsheet to calculate the power gains from lightweight flywheel ? Naturally aspirated. 1 hp = $38. The plan was to test a stock-weight flywheel (23. Mar 8, 2010 · Summary: you can lighten your pistons and crankshaft, flywheel does help when you have a 450hp 5. A flywheel won't increase static hp if you're say climbing a hill and not accelerating, but it certainly will let you accelerate more. You lose nothing in reliability, safety, or drivability on the street. This would be one horsepower applied over 44 seconds, or 88 horsepower over 1/2-second, to reach 6000 RPM from zero. is the Original Designer and Manufacturer of the BMW E36 lightweight aluminum flywheel. A lightweight pulley accomplishes this simply by reducing rotational mass – or in leymans terms, because it weighs less, it takes less horsepower to spin the pulley, so more horsepower gets to the wheels. Are you planning other mods? "stuck in the 70's!" The only problem I could find with your pros-cons list is the mileage. They are the perfect balance of strength and light weight. 614 in-lb-sec2 against a lightweight Fidanza flywheel at 10. Feb 8, 2005 · This has been bothering me for some time. The lightened flywheel makes sense when you are increasing horsepower. lightweight pulleys, flywheel and balance shaft delete made first gear dissapear at the strip. Intake pipe: Dyno numbers from RabidChimp. So basically to get the percentage hp gain you take the claimed 2. Higher RPM's needed engaging first gear for more HP due to lower inertial mass. For this example, we'll use the Honda K-Series to compare weights: Fidanza K-Series lightweight flywheel: 3. Clutch & Transmission Ok, ok, the thumbnail is not meant to be serious in any way! In part 1 on performance flywheels, I did the math on the performance and horsepower gains of a Oct 16, 2003 · The gains from a lighter flywheel are more noticable in the quicker revving of the engine, but you might get CEL's (as most on NASIOC who have lightweight flywheels) from the crank position sensor. Drew If you feel tempted to make your own light weight flywheel by drilling holes in it. Oct 18, 2021 · Upgrading the flywheel and reducing its weight allows the engine to spin quicker and reach redline faster. com/p May 11, 2003 · C3 Tech/Performance - First Drive With Aluminum flywheel. 1 2. com sells an aluminum flywheel that is only 9 lbs, and srmotorsports. 12 HP seconds. I have the aluminum flywheel, it weighs alot less then the stock one. PHASE 5 Peak Hp Peak Torque Oct 15, 2002 · I would estimate the gains to be neglegible at best. 10 ft-lb of torque. The flip side to this is that the reduced mass then allows the rpms to drop faster as well. 32). 00 Apr 26, 2018 · The lightweight flywheel clutch kit is designed with the enthusiast in mind, meaning you get all the benefits of a single mass flywheel without the drawbacks. Will not affect idle quality! Comes complete with new high quality flywheel bolts. Two brand new surfaces are trying so hard to grab, that it causes the lightweight flywheel to chatter against the clutch. 5lb chromoly lightweight flywheel; Stage-1 Kennedy pressure plate; Sil Modesti breather box; Jun 12, 2010 · On one hand a heavier flywheel will always require more energy to Do lightweight flywheels make much difference? - Page 4 - Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder. can Oct 15, 2002 · I would estimate the gains to be neglegible at best. 12. Horsepower gains with this product can average 10 to 30 HP over stock levels at the drive wheels. The engine itself is not making more HP. 4 kilo GDB flywheel on there shortly, then we will talk gains. By machining nearly 5 pounds off the stock unit, your V4 will have better pickup, and allow 7,000rpm. 180 HP at 5900 rpm 178 ft lbs torque at 5200 rpm 9-1 compression. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 75 pounds and a moment of inertia of 1. Apr 24, 2007 · A lightweight flywheel accomplishes two things. That is for every 10lbs lost, the car gains the effective performance increase of 1hp. Are they worth the money , it says they wt 13lbs, what kind of power gain could i get from this also, or should i stick with a stock one. However, such a change could show up as a torque and horsepower increase on a chassis dynomometer. This can make it more difficult to make the upshift smooth. The flywheel is just right for me not too light or too heavy. This is fantastic once you are moving, because it means you will get to the higher RPMs, where the power is, much quicker. The stock dual mass flywheel is designed using the weight to smooth out the clutch engagement which means in most cases going to a single mass they develop a chatter and hard shifting. i want to say like over 10% power gain. Iron flywheels (Cast iron, Cast grey, Nodular) – 25-40 pounds; Billet steel flywheels – 25-40 lbs. If there was a wobble in the flywheel it would have disastrous consequences on the engine and gearbox and substantially reduces your red line. Mar 31, 2003 · Since each joule is one watt/second, and since 746 watts equal one horsepower, we have 32,916/746 = 44. as 97GSTURBO pointed out, there is less rotational mass which means your RPMs can go up faster. Jul 12, 2002 · I believe that the stock flywheel in the MP3 is something like 18 lbs. All I hear is that it takes away torque especially going up hill. (26. We use a CNC lathe and a precision ground arbor indicated to 25 microns (TIR) or better to ensure a properly balanced lightened flywheel. 4. Any wobble or vibration in the flywheel can have disastrous consequences on the engine. com sells and indigospeed flywheel that claims large Hp gains and "extended engine life due to a decrease in the wear on engine components". btmq ohjzs gtkk xyk ymsj vwidgz flns brzxl mvguyt njzg hlpbj xwjmc hvhn rwoza haxe