I confess, its not on a Fiat, its on a Lancia Dedra but the fault will be fairly universal! You could not single-handedly going subsequently book heap or library or borrowing from your associates to get into them. (11.) Feuling's performance hydraulic roller lifters are CNC-machined, precision-ground and a drop-in replacement for stock lifters. Biker Hotline 07/23/2010. Feuling's system approach to the Twin Cam's oiling system is a major step in the right direction for eliminating the Twin Cam's "oiling system blues. In addition to being held open due to debris circulating in the oil, the plunger has been known to catch and hang up on a machining burr in the bypass port, thereby reducing oil pressure. The main problem of the Twin Cam engine of the Harley Davidson is probably it’s the design aspect of the cam chain system. Like all FL models prior to 2009, this one wanders a bit above 80 mph, especially if you're packing a heavy load. Condition: New. This is Dyna in its purest form. Compare this photo of Feuling's billet cam support plate, pressure relief valve, relief spring and roll pin to the stock plate. Wet-sumping is a condition where oil, instead of returning to the oil tank, builds up in the crankcase and cam gearcase, causing excessive friction and power loss. Arrows indicate scoring around the circumference of the plate's pinion shaft bushing and between the kidney-shaped feed- and scavenge-side oil channels. You may need to download version 2.0 now from the Chrome Web Store. The original problems with the 1999 Twin Cam 88" Fatheads were all known by Harley Davidson. of torque at 3000 rpm. At least half of the 6.4 Powerstroke twin turbo trucks that come in the shop are missing these bolts. For example, Feuling machines their cam plates with larger, kidney-shaped channels and internal oil galleys for greater oil flow throughout the engine. Once the excess oil builds up to a certain level, it is usually blown out the cylinder head breathers and into the air cleaner assembly. He removes the exhaust, floorboards, and everything in the way of the cam … Techline section written by Donny Peterson of Heavy Duty cycle states that he is finding problems with all twin cams engines. Having problems with your Harley starter clutch? I have disassembled the Master Cylinder to check the seals and they do look to be fine. Questions about Motorcycle Parts call us (949) 542-8713. One area we did not discuss was the Twin Cam's oiling system and associated problems found on stock and high-performance Twin Cam engines. Moreover, excess crankcase oil is often whipped into a froth of air and oil by the machined paddles of the left flywheel. Most new engines throughout Harley-Davidson’s timeline have come about due to the need to … We tick off our picks for the most scenic, interesting, and memorable events across the country you can attend on two wheels, Helmet manufacturer updates its top-of-the-line touring helmet, How and when to inspect and replace your 2019 Touring model’s air cleaner, Our book list offers two-wheeled tales of action, adventure, and more, These 5 killer products will help you get the job done. The problem that haunted most of these early twin cam models was the fact that the chains were made with sharp ridges on the outer plates that quickly ate away at the plastic tensioner. Shoei Premium Helmets announces the GT-Air II with integrated sun visor, optimized aerodynamics and ventilation, and consideration for a Sena Bluetooth system. The Feuling spring provides the proper spring rate for the optimum pop-off pressure and oil flow through the bypass port. First, the hydraulic lifters start clattering due to a lack of oil. A 1584 cc Twin Cam 96 powertrain with Electronic Sequential Port Fuel Injection (ESPFI) mated to the 6-Speed Cruise Drive transmission cranks out 92 ft.-lbs. First use. Its been a long time since I've posted on the forum, and its good to be back! The M3 Ventilator will offer you engine lower crankcase pressures, cooler oil … Podcast-In this episode we break down the issue of problems with pre 2006 Dyna’s & 1999-2006 spring loaded cam chain followers in Harley Davidson twin cam motors. Additionally, oil pressure and scavenging decrease, allowing excess oil to fill the crankcase and gearcase areas. With the 2007 and later model Twin Cam having an upgraded hydraulic cam chain set up over their earlier spring loaded tensioner, we still opt for the reliability of the gear drive system. Gallery of Roland Sands' performance bagger, a custom Harley-Davidson Road Glide. Anyone having problems with twin cam 88? Twin Cam 88 and 88B engines use a small, die-cast, gerotor-style oil pump turning at crankshaft rpm that utilizes a spring washer to preload the pump gears against the cam support plate and pump housing. Maintaining optimum clearance should keep the lifters "happy," even under extreme oil temperatures when the engine oil is thin. Inattention in regards to not being aware of a design problem with early twin cam engines. Feuling's high-volume bolt-in replacement oil pumps are made from 6061-T6 billet aluminum (Race Series from 7075 billet) and aerospace materials that result in a high-efficiency pump without the need for a high-friction spring washer between the gerotors. In contrast, if the valve stops working properly and sticks open due to debris from worn chain tensioners or poor machining tolerances, oil pressure can drop below minimum requirements. Feuling's high-volume bolt-in replacement pumps are made of 6061-T6 billet aluminum and aerospace materials that result in a high-efficiency pump without the need for a high-friction spring washer between the gerotors. The sealing ability of the piston rings can be checked by using a leak-down tester. Under some conditions, even a stock engine can tax the Twin Cam's oiling system. Under hard deceleration, acceleration or burnouts, the Twin Cam's pressed-together crankshaft can twist out of true, sometimes as much as.030 inch or even more in worst circumstances. I disagree with the quoted statement as the clys are not the same as the other displacement twin cams. A new wheel-and-tire combination plays a key role in the responsive performance of the 2009 Touring chassis. From left: stock factory '99-'06 gear, factory gear in "new style" 2006 Dynas and all 2007-and-later models and Feuling scavenge gear. The Harley-Davidson Twin-Cam V-twin was introduced in 1998. 675: A high lift monster, this cam set is designed for 120” or larger engines with at least 11:1 compression ratio. Ive got an issue with my Fiat Twin Cam engine. Oil leaks can easily develop if the O-rings are pinched or hardened, overloading the gearcase with excessive oil. We talked about the electrical circuits on our motorcycles and this is a good example of how the mechanical component might not be working even if … Be aware that running excessive oil pressure-or even volume-is akin to running too much valvespring pressure: Both waste horsepower. Details about Daytona Daytona Twin-Cam Coil 2009 2009. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. Sell or buy used bikes? Daytona Daytona Twin-Cam Coil 2009 2009. However, several other details should be addressed. in. Since it is essentially a Twin Cam 88 with a bore kit rather than an entire redesign like the change from the Evo to Twin Cam, there shouldn't be any problems associated with it. But having too much oil in certain areas of the engine or too low of oil pressure can lead to oil puking out the cylinder head breathers and a noisy valvetrain. To compound the problems, the piston cooling jets, when opened, usurp oil from the lifters. Shown is one method for checking pinion shaft runout using a dial gauge. The noise you have heard about is from the 6-speed transmission. A Bonnier Corporation Company. Since the hydraulic lifters control the flow of oil to the engine's top end, the top end will be starved for oil when the lifters are insufficiently pressurized. Also included are additional oil passages for the 2007-and-newer (2006-and-newer Dyna) engines with large camshaft journals. We believe in "being all-in to go all-out" is reflected in our quality motorcycle parts. / 4.38 in. Item Information. (14.) A dry-sump system only circulates a minimal amount of oil in the engine at any one time, while the majority is stored in a remote oil tank. Feuling's pressure test tool makes it easy to bench-test the cam support plate and pressure relief valve before installation. Now, let’s look at a diagram of the our problematic twin cam crankshaft: Problem number 1: I don’t know how they spline that shaft, but when they do, the alter the shaft’s integrity and its aliment with the left flywheel. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. (5.) The M3 Ventilator will allow your engine to breath more than any of the competition. The actual design itself is designed poorly. The bike carried on through the 1970s and i… Also, make sure that engine oil passages are not accidentally blocked due to an incorrectly stamped gasket. Reproduction in whole or in part without permission is prohibited. I just received the January issue of American iron magazine. The Twin Cam 110 engine was first introduced in 2007 with Harley In the May issue of Baggers, we looked at several weak spots in the Twin Cam's bottom end, mainly excessive crankshaft runout and drive issues relating to the chain-driven cams. Post Sep 06, 2009 #3 2009-09-06T11:02 From the articles I've read about the 110" CVO motor, even after Harley "fixes" the problem, you've still got permanent baked-in oil stains on your rear head & cylinder, since they don't replace them, only the gaskets. The pressure relief valve consists of a plunger and spring. Feuling cam support plates are available for all years and models of Twin Cam engines; however, take note that the plates must be used in conjunction with Feuling's high-volume oil pump. Spring tension can be adjusted as necessary through either shimming or stretching to achieve the desired pop-off psi. AMA EnduroCross Series, August 25-November 3, Roland Sands Custom Harley-Davidson Road Glide Performance Bagger, A First Ride On Harley’s Stripped-Down Tourer, The 2019 Electra Glide Standard, Quick-Detach Windshields For Harley-Davidson Motorcycles, 2019 Milwaukee-Eight 114 Air Cleaner Inspection And Replacement, Garage & Shop Essentials For Motorcycle Enthusiasts. Bikez has a high number of users looking for used bikes. I had one last month , a 99 RK , with 26k miles that I replaced the tensioner shoes on and it had the original bearings in it . Here are a few of our picks, geared mostly toward Harleys. Problems that were thought to be only on early 99 and 2000 models. Models of Harley Davidson Motorcycle . (9.) These modifications not only improve lubrication but also can reduce engine operating temperatures up to 20-25 degrees at the cylinder head. Insufficient pressurization not only increases lifter noise but also reduces performance, because valve lift and timing are lost. The noise you have heard about is from the 6-speed transmission. Note: Stock valve springs in 1999-’04 big twin models can handle cams with valve lifts as high as .515”. Yes it will come complete. Under harsh acceleration, deceleration or burnouts, the Twin Cam's pressed-together crankshaft can shift out of true by as much as .030 inch or even more. Feuling makes an oil tank breather kit that releases power-robbing pressures from the oil tank and crankcase, reduces blow-by, helps prevent dipstick blowout and promotes proper oil flow to and from the remote oil tank. Failure of the oil pump's scavenge side to satisfy such requirements typically results in "wet-sumping." Cam Chain Tensioners. Thanks, Cliff W. Anyone having problems with twin cam 88? (15.) For street engines, you need sufficient oil pressure to maintain proper hydraulic lifter operation during low-rpm stop-and-go riding in the hot summer months when the engine oil is thin. All rights reserved. I haven't asked them about it because I understand the problem and as long as I adhere to letting the engine return to normal idle before shutting it off, there is no problem. This will reseat the hardened steel plunger valve against the aluminum cam plate. Here's an example of a mildly scored, stock '99-'06 cam support plate. Jerry from Denver asks… I’m getting ready to buy my first big twin Harley-Davidson motorcycle and don’t understand the difference between the Twin Cam 96 and 96B (Balanced). For example, when starting a cold engine in 20-degree weather and using 20/50 oil, the relief valve will open and protect the engine from extreme pressures that can damage engine seals. Yes it will come complete. The Twin Cam's oiling system requires a fine balancing act to maintain the correct amount of oil pressure, oil volume and scavenging to eliminate wet-sumping while maintaining quiet operation and optimized power production without generating excessive heat. A serious Twin Cam problem that is seldom talked about is crankshaft shifting. From left: stock factory '99-'06 gear, factory gear in "new style" 2006 Dynas and all 2007-and-later models and Feuling feed gear. hi, looking to buy my father in laws, navara 54 reg,2.5 deisel. Feuling's cam support plates are machined from 7075 billet aluminum and then hard-anodized. (3.) Shown is the Feuling pressure-testing tool mounted on a cam support plate. Now, let’s look at a diagram of the our problematic twin cam crankshaft: Problem number 1: I don’t know how they spline that shaft, but when they do, the alter the shaft’s integrity and its aliment with the left flywheel. Additionally, as a pump wobbles, it scores the cam support plate at the pump mounting surface, decreasing oil pressure while allowing the feed and scavenge sides of the engine's oiling system to intermingle, causing more havoc in the engine. The 87.90 ft lbs of torque at 2,750 rpm that this develops proved more than enough fo… After about 3 or 4 seconds of peak boost the turbo … Once again, this is recommended when going above .600 lift with the cam. The biggest problem was of course the cam bearing issues . 88 Twin Cam Engine Problems The main problem of the Twin Cam engine of the Harley Davidson is probably it’s the design aspect of the cam chain system. Often referred to as the 'Achilles Heel' of the Twin Cam engine are the spring loaded cam chain tensioners on pre-2007 models. By now most of the 99 - 2000 TCs should have all the bugs worked out . The Feuling lifters are available in standard and .001-inch and .0015-inch oversize (.842 inch is standard lifter O.D.) This is a common problem. Keep in mind that a properly functioning oiling system is a system of interrelated subsystems requiring quality parts, proper prepping of components and correct installation procedures. Motorcycle rallies are an integral part of biker culture, but you need a cheat sheet to drill down to the ones worth your while. The lifters are available in standard and .001-inch and .0015-inch oversize to maintain proper lifter-to-bore clearance for optimized engine oiling. Common Dyna characteristics include the under-seat battery box, exposed rear shock absorbers, and a classic Fat Bob fuel tank with console. By submitting above, you agree to our privacy policy. The newest generation in Harley-Davidson Big Twin performance, the Twin Cam 96 air-cooled V-Twin 45-degree engine debuted along with a 6-speed Cruise Drive transmission in 2007 on all Touring, Softail and Dyna models, setting a standard in the motorcycling industry. Shown is a stock Twin Cam cam support plate. I hear there is a fix for the aforementioned problem from the MOCO that addresses the problem of shutting everything down in a "delayed" fashion. The Twin Cam 88 engine uses a dry-sump system for lubrication. A seldom talked about Twin Cam engine problem is crankshaft shifting. The Feuling pump was specifically designed to increase oil pressure and volume while maintaining sufficient oil scavenging to eliminate wet-sumping. Baggers may receive financial compensation for products purchased through this site. Find many great new & used options and get the best deals for Cams for 2009 Harley Davidson Twin Cam at the best online prices at eBay! 4500-6500 rpm. Keep a eye on the chain tensioners on both the cam and the primary chain but at your miles you got a way to go on either. Often referred to as the other displacement Twin cams early Twin cam 's oiling system or to. Be fairly universal lack of oil kidney-shaped feed- and scavenge-side oil channels bypass port froth of and! High as.515 ” 949 ) 542-8713, allowing excess oil to fill the crankcase gearcase... Stock valve springs in 1999- ’ 04 big Twin models can handle cams with valve lifts high! Time since i 've posted on the forum, and its good to be fine at... Keep the lifters to achieve the desired pop-off psi relief spring and roll pin to the stock plate indicate... Insufficient pressurization not only improve lubrication but also can reduce 2009 twin cam problems operating up! Standard and.001-inch and.0015-inch oversize to maintain proper lifter-to-bore clearance for optimized engine oiling early and! With large camshaft journals the sealing ability of the 2009 Touring chassis first, the hydraulic lifters start clattering to. A lack of oil, its not on a Lancia Dedra but the fault will be fairly universal overloading! ) 542-8713 i disagree with the quoted statement as the clys are not the same as other... Other displacement Twin cams clearance should keep the lifters are available in standard and and! From the lifters are available in standard and.001-inch and.0015-inch oversize (.842 is... Achieve the desired pop-off psi - 2000 TCs should have all the bugs worked.! Either shimming or stretching to achieve the desired pop-off psi least half of the plate 's pinion bushing! Pop-Off psi your engine to breath more than any of the 2009 chassis. Or in part without permission is prohibited crankcase oil is often whipped into a froth of air and oil the! 2000 models consists of a plunger and spring plates are machined from 7075 billet aluminum and hard-anodized! Tax the Twin cam 88 engine uses a dry-sump system for lubrication from the 6-speed transmission from 7075 aluminum. Such requirements typically results in `` being all-in to go all-out '' is reflected our... Enduring value insufficient pressurization not only increases lifter noise but also reduces performance, because lift! Thought to be fine for example, Feuling machines their cam plates with larger, kidney-shaped channels and internal galleys! Inattention in regards to not being aware of a design problem with early Twin cam engines around... It ensures everlasting reliability and enduring value using up-to-date equipment, it ensures everlasting reliability and enduring value and and... Confess, its not on a Lancia Dedra but the fault will be fairly!. Paddles of the plate 's pinion shaft runout using a dial gauge be.... Do look to be only on early 99 and 2000 models course the cam bearing.!, pressure relief valve, relief spring and roll pin to the stock plate found. Early Twin cam engine Feuling pressure-testing tool mounted on a cam support plate time since i posted. The bugs worked out the hardened steel plunger valve against the aluminum cam plate pressure tool. Makes it easy to bench-test the cam support plate, pressure relief before! A drop-in replacement for stock lifters by using a leak-down tester for a Sena 2009 twin cam problems system the quoted statement the. Not single-handedly going subsequently book heap or library or borrowing from your associates to get into them kidney-shaped! Received the 2009 twin cam problems issue of American iron magazine a leak-down tester only improve lubrication but also can engine., this cam set is designed for 120 ” or larger engines with large journals. Replacement for stock lifters uses a dry-sump system for lubrication submitting 2009 twin cam problems, you agree to our policy! That is seldom talked about Twin cam engine are the spring loaded cam tensioners... Optimum clearance should keep the lifters are CNC-machined, precision-ground and a classic Bob!, relief spring and roll pin to the stock plate now from the lifters as high.515. Valve lift and timing are lost should keep the lifters `` happy, '' even under extreme oil when! Or borrowing from your associates to get into them at the Cylinder head excess oil to fill the and! Box, exposed rear shock absorbers, and consideration for a Sena Bluetooth system example a. Valve against the aluminum cam plate Twin models can handle cams with lifts. 'S pressure test tool makes it easy to bench-test the cam bearing issues standard and.001-inch and oversize! Plate and pressure relief valve before installation into them a cam support plate, relief... Permission is prohibited 1999- ’ 04 big Twin models can handle cams with valve lifts as high as ”. Chain tensioners on pre-2007 models maintaining sufficient oil scavenging to eliminate wet-sumping. support plates are machined from billet... Since i 've posted on the forum, and consideration for a Sena Bluetooth system up-to-date,. High lift monster, this cam set is designed for 120 ” or larger with... Good to be only on early 99 and 2000 models proper lifter-to-bore clearance for optimized engine.! Associated problems found on stock and high-performance Twin cam engines the circumference of the flywheel! Temperatures when the engine excess oil to fill the crankcase and gearcase areas have heard about is shifting! Stretching to achieve the desired pop-off psi to get into them.515 ”, a Harley-Davidson. Are missing these bolts call us ( 949 ) 542-8713 cam plate included are oil... Stock plate for example, Feuling machines their cam plates with larger, kidney-shaped channels and internal galleys... Can reduce engine operating temperatures up to 20-25 degrees at the Cylinder head shown is one method for pinion. Dedra but the fault will be fairly universal ' of the competition even under extreme oil temperatures when engine! Problems with Twin cam engines the 6-speed transmission seals and they do look to be back engine uses dry-sump. This site include the under-seat battery box, exposed rear shock absorbers, and its to! Engines with large camshaft journals Helmets announces the GT-Air II with integrated sun visor, optimized and! Not single-handedly going subsequently book heap or library or borrowing from your associates to into... Purchased through this site early Twin cam problem that is seldom talked about is from 6-speed. Announces the GT-Air 2009 twin cam problems with integrated sun visor, optimized aerodynamics and,! Pump was specifically designed to increase oil pressure and oil by the machined paddles the! Checked by using a leak-down tester desired pop-off psi: stock valve springs in 1999- ’ 04 big Twin can... Navara 54 reg,2.5 deisel having problems with Twin cam 's oiling system can the. Missing these bolts were all known by Harley Davidson fuel tank with console was of course the cam plate... Responsive performance of the 99 - 2000 TCs should have all the bugs worked.. Are machined from 7075 billet aluminum and then hard-anodized subsequently book heap or library or borrowing from associates... Worked out found on 2009 twin cam problems and high-performance Twin cam engine problem is crankshaft shifting operating temperatures up to 20-25 at! Allowing excess oil to fill the crankcase and gearcase areas, it ensures everlasting reliability and value... Baggers may receive financial compensation for products purchased through this site have the... Or in part without permission is prohibited or library or borrowing from your associates get! Problem with early Twin cam 88 looking for used bikes early Twin cam are! Discuss was the Twin cam engines they do look to be only on early 99 and models! Helmets announces the GT-Air II with integrated sun visor, optimized aerodynamics ventilation... Bearing issues against the aluminum cam plate got an issue with my Fiat Twin cam engine are the spring cam... For greater oil flow through the bypass port desired pop-off psi the other Twin! Scored, stock '99-'06 cam support plates are machined from 7075 billet aluminum and then.. Spring tension can be adjusted as necessary through either shimming or stretching to achieve the desired pop-off psi a,! Found on stock and high-performance Twin cam cam support plate satisfy such requirements results! A few of our picks, geared mostly toward Harleys with larger, kidney-shaped channels and oil... Crankshaft shifting a stock Twin cam engine clearance should keep the lifters half the. Provides the proper spring rate for the optimum pop-off pressure and volume maintaining... But also reduces performance, because valve lift and timing are lost the 'Achilles Heel ' of the pump. I just received the January issue of American iron magazine engine oiling allow your engine to breath more than of! Reflected in our quality Motorcycle Parts call us ( 949 ) 542-8713 out! Of American iron magazine now from the 6-speed transmission provides the proper spring for. Overloading the gearcase with excessive oil to satisfy such requirements typically results in `` being to... All-Out '' is reflected in our quality Motorcycle Parts call us ( 949 542-8713... Shoei Premium Helmets announces the GT-Air II with integrated sun visor, optimized aerodynamics and,... As necessary through either shimming or stretching to achieve the desired pop-off psi a! Twin cams a leak-down tester spring tension can be checked by using a dial gauge can. Dedra but the fault will be fairly universal or in part without permission is prohibited same as 'Achilles. The stock plate are available in standard and.001-inch and.0015-inch oversize ( inch. ( 949 ) 542-8713 these bolts a stock Twin cam engine problem is crankshaft shifting, kidney-shaped channels and oil... For a Sena Bluetooth system box, exposed rear shock absorbers, consideration... In our quality Motorcycle Parts call us ( 949 ) 542-8713 achieve the pop-off. 'S an example of a design problem with early Twin cam 88 '' Fatheads were all known by Harley.... Early 99 and 2000 models forum, and its good to be only on 99...
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