Here - SuperTrapp
Contents
1. Troz Five ae ers a ST Thea atl Editor s Note This article is nof meant tobe a substitute for the procedures or practices set forth in the H D factory manual or Harley Davidson instruction sheets packaged with the components It is intended as an overview of our upgrades only if you do not possess the proper skills do not attempt to perform these procedures yourself Bring your bike to a Harley Davidson dealer or a qualified independent repair shop to complete the work Special thanks to Dan Lesnock Steel City Harley Davidson and Nick Waltenbaugh x Gatto Harley Davidson with their help on this _ article 5 s his month we are upgrading my 2006 Street Glide and at this point it s time to start thinking about performance Of course the first and most valuable gains can be made over stock by an exhaust system air cleaner and fuel management upgrade so that s where we ll begin With all of the options that are available for fuel injected models when it comes to the light performance upgrade i e pipes and air cleaner we decided to take some time and explain why we went with the Harley Davidson Race Tuner 32107 01G that retails for 459 95 There are many other devices available for this level of upgrade the DEO the Power Commander and a few off brand styles which are basically variations of these two and of course the Stage One download from Harley Davi2. suggested starting point From bolt in to full race Performance cams for every bike Gear drive cams for 1999 up big twin engines 8 i l The real issue with the race tuner here is that having spent the initial 459 95 we re now set for any future performance upgrades The race tuner as long as it s kept with the original bike it was purchased for has infinitesimal tuning possibilities That means that no matter where I go from here big bore stroker performance heads different exhaust I won t have to spend more money on another management system If I had originally gone with the Stage I download pre programmed for S E slip on mufflers and their S E air cleaner kit not only would it have not been adequate for this combination but if I change to anything more extensive in the future it would be obsolete It might seem like the 145 95 you pay for it would save you a few hundred but in the long run it doesn t add up that way CILLE SOURCE Cycle Re sources SuperTrapp Industries Inc 4540 W 160th St Cleveland OH PH 216 265 8400 www supertrapp com Harley Davidson Motor Co www harley davidson com a MA 5 amp 5 Cycle Inc 235 Causeway Blive CYCLE SOURCE September 07 45
3. ability to simply unplug it and hit the road no hassle We re using the SuperTrapp exhaust system for it s tuneability as well The way the SuperTrapp 2 into 1 SuperMeg exhaust system works is through what they call diffuser disc technology By using a Series of discs with a precisely aligned diameter to form the exhaust outlet this system gives the rider the ability to tune their exhaust system for different environments By adding or subtracting the number of individual discs you can effectively change the back pressure characteristics of the exhaust Remove discs and the exhaust opening 1s decreased increasing the back pressure moving the power to the low end Add discs and the exhaust opening is increased decreasing the back pressure and moving the power more to the top end We start off by running the Glide up to optimal operating temperature and getting its baseline established Pretty good considering most stock Twin Cams come in at 58 hp or so This one however achieved 67 88 with over 73 foot pounds of torque 4 FIGURE 2 After a cool down period we begin by removing the stock exhaust system Follow instructions provided in your factory service manual for disassem bly Retain the stock flange nuts and flanges for installation of the new system a Remove the stock exhaust gaskets from the cylinder heads and replace with new conical stock type avail able from your local Harley Davidson dea
4. dson What we are trying to point out in this article is that budget minded individuals who will be eventually adding further to their performance will be better 42 September 07 CYCLE SOURCE off investing in this product to begin with Here are our assertions At this point almost any of these systems will adequately modify the fuel curve but the degree of tunability between these products varies greatly The Screamin Eagle tuner and the Power Commander offer the greatest degree of adjustability Most DFOs don t allow the tuner to lean the fuel curve in areas of low volumetric efficiency and won t allow it to work within the 250 500RPM increments where the inefficiencies may occur We chose S E tuner because it stands alone on many of its own merits First you re not adding any components to the bike The tuner is simply an interface that allows you to overwrite the factory ECM Second the tuning software provides an additional data mode program specifically designed to monitor key Delphi inputs during the Dyno session This information can be invaluable for trouble shooting problems that could occur during any tuning session Faulty sensors become obvious and any digital trouble codes are recorded as they arise El INER UPG i n Gets Some Extra Ponies For The Glide p ki TONER AN MR c The S E tuner provides key data at your fingertips great tunability consistency and the
5. his chart after upgrading the fuel management system air cleaner and exhaust Without getting overly carried away with tuning the pipe or the race Tt ae CAMS Proven Performance j f tuner at this point we gained an impressive 10 more horsepower and 6 more foot pounds of torque The most significant of those improvements were in the torque curve from around 3 500 to 4 500 RPM This was a nice gain to the mid range and will make the bike fun to ride Overall our best numbers came in at 77 57 max horsepower and 78 22 max torque Riding Impressions Right off the bat I was very pleased with the look of the SuperTrapp 2 into system in spite of the fact that I m not a big fan of crossovers or true duals Once I fired it up I realized the sound had changed considerably The tone is real good and very distinct to SuperTrapp It isn t annoyingly loud at idle or low RPM but at the same time opens up real nice when you get on it As I headed out to the highway I noticed that the bike had a lot more pull Going up through the gears I felt that it got up to speed faster and the engine wasn t working as hard When I came off the exit ramp after about 60 miles or so of highway time there was no pop on deceleration I have about 500 miles on this system now and the powdercoat 1s holding up real well We plan on doing some further tuning to the disc system on this pipe but for now we decided to stick to SuperTrapp s
6. ler SuperTrapp advises against using the more popular Flat Type exhaust gaskets with their head pipes es Before installing the new system layout and inspect the supplied hardware and compo nents Take a minute and read the instruc tions supplied by SuperTrapp for assembly procedure This is important because each manufacturer has specific torque and component installation sequences Inspect original exhaust retaining rings If they look bent or twisted then replace them before installing them on the new head pipes Mount the head pipes using the stock nuts Do not tighten at this time simply turn them on far enough to hold the head pipes in place but still loose enough to allow for manipulation Install supplied 24 hose clamp around the front head pipe between the front and rear pipes at the stock transmission mount location Wrap the hose clamp around the stock bracket Do not tighten at this time rg ahit P k z 7 i mns Ser a D P ai 4 Install the supplied T bolt clamp over the end of the muffler if you re not sure which end stop now and slide the muffler into position over the end of the head pipe Do not tighten clamp at this time Attach the muffler to your stock support bracket using new lock washers and square nuts supplied by SuperTrapp Tighten both bolts at this time Tip Slide a small flat blade screwdriver between the nut and the bracket to keep it from
7. spinning while tightening At this point you can start tightening the remaining mounting hardware beginning by aligning the head pipe and tightening the flanges then move back the pipe tightening the clamp at the transmission and finally the T bolt on the muffler CYCLE SOURCE September 07 43 To install the heat shields the Now we ll move on to our air cleaner Finally we drill a small 3 8 hole in the instructions tell you to simply slide the upgrade We will be installing the Screamin hose clamps into slots on the back of Eagle kit 29773 02B 139 95 Remove the end cap of the exhaust system to accept the sniffer that will aid us in each shield I personally recommend stock air cleaner assembly the cover the air reading the air fuel mixture for final you wear a pair of gloves during this cleaner element and backing plate by tuning step because it s a tight fit and requires following the factory service manual saving a little patience the two stock breather bolts for installation on sol new components True n 11 FIGURE 14 p Final tightening sequence for this Using the afore mentioned breather bolts The last component of this operation system is provided by SuperTrapp and install the new Screamin Eagle backing will be the Harley Davidson Race must be followed to achieve the proper plate A new backing plate gasket and two o Tuner kit 32107 01G that retails for fit It is important to note that yo
8. u must rings that go between the backing plate and 459 95 The kit comes with the race check and retighten all the fasteners the heads at the breather location are tuner cartridge itself and a CD which after the first couple of rides and again supplied with the kit Apply a small amount contains a user manual and a set of at each scheduled maintenance of supplied Loc tite and torque to specs baseline pre programmed EFI calibrations E Finally we install the SuperTrapp Install the supplied breather hoses and three Hook up the computer interface discs and end cap with the supplied air cleaner studs then install the air cleaner module to both the data connector of hardware The manufacturer suggests and finally the air cleaner cover All the bike and the technician s lap top running all 20 discs that are supplied supplied hardware come with lock patches using cables sold separately From here with the closed end cap This is the so no Loc tite is needed for this step the appropriate baseline is selected for best combination for performance our combination concerns 44 September 07 CYCLE SOURCE Power hp uo o sqi 4 anbsoy Chart 1 In this chart you can see the horsepower and torque created by the stock Twin Cam 88 The best numbers were 67 88 horsepower with over 73 foot pounds of torque I a anbioL Chart 2 Our final dyno numbers are displayed in t
Download Pdf Manuals
Related Search