FAQ: General Questions

  1. What is the best weight Alisyn oil for my application?
  2. How much horsepower will I gain by switching to Alisyn <<0 weight oil and Petron additive?
  3. Why would I lose clutch cable free play at the lever when drag racing?
  4. I flashed my own 2017 GSX-R1000 ECM and now my bike is way down on power and runs terribly… any idea what could be wrong?
  5. Do I need a PCV when installing a Brock’s Performance Exhaust System?
  6. What is the best means to mount tires on to carbon fiber wheels?
  7. Do I need to physically bring my bike to Brock’s Performance in Ohio for a performance tune?
  8. Will I have to get my PCV re-mapped when I install a WET NOS system.
  9. Would the ignition module from Power Commander help in drag racing?
  10. What does -7R mean in my dragshock settings?
  11. What are the performance advantages of Ceramic Bearings?
  12. What launch technique does Brock teach to rookie drag racers?
  13. What is the benefit of running a non o-ring chain on the track, and why can’t you do any riding on the street with it.
  14. What is the best gearing combination for my……
  15. What spark plugs should I be using in a bike with a 40 shot of wet nitrous?
  16. On your 240 swingarm kit with the built in air tank is it possible to use the air tank as an nitros tank , online it says your tank will hold 200 psi.
  17. On my stock length bike my gearing was set up to go through the traps in 4th gear in the quarter mile. Now that I have extended my bike 6 inches should I change the gearing to go through in 5th?
  18. My perfectly running bike will not restart since the last time I turned it off, what could it be?
  19. My bike is stalling after a burn out, at stop signs, and at the end of the track when I’m slowing down … do I need a new map?
  20. Is it possible to get “bad” race fuel and can you tell how old the fuel is?
  21. Is it okay to let the MR12 fuel sit in the tank? I’ve heard that it must be drained unless you want to cause serious damage to fuel pump and fuel lines ($$$).
  22. In regards to drag racing, what differences would there be in cutting the forks versus using a front tie down strap?
  23. I’m really stuck between buying the CT full system or the Alien Head system. Can you give me a quick run down of the differences between the two?
  24. I would like to lower my bike a little. Is this wise for a street bike and does it have much affect on the handling? What is the best method for lowering the front, spacers or new clamp?
  25. I wanted to know what motor oil you recommend and what weight? I plan on taking it to the strip, so what ever will provide the best protection.
  26. I race occasionally, but street ride several times weekly. Will less than zero oil be ok for so much street riding?
  27. I ordered your Alisyn <<0 weight oil and Petron additive. Is it safe to turn my bike 11,500 rpms?
  28. I often hear people talk about “Density Altitude” (Da) and how it can affect normally aspirated performance. How does it work?
  29. I just recently pulled the head off of my brand new motorcycle because the throttle bodies were gummed up and there was a sticky film in the intake track…why did this happen? Does race fuel cause this?
  30. I just bought a Wideband Power Commander for a 2006 Busa with a Brock’s Sidwinder and was wondering where is the best place to mount the bung for the O2 sensor.
  31. I have a 1397 busa that puts out 210 hp on pump gas.What race gas do recomend for the drag strip?
  32. I have a 2006 Honda Fireblade 1000 and I’m fitting your front radial mount brackets and I’m a bit worried about the length of the bolts after the bracket is on. It doesn’t appear to have adequate thread left, do I need longer bolts?
  33. I have a drag bike with all of your stuff on it and a Sidewinder. Where is the best shift point on this bike in rpm for best ET?
  34. I currently have a map from you in use. The only concern I have is that when I am using my air shifter which is 99% of the time that it back fires and shoots about a foot long blue flame from my exhaust. Am I running rich or lean?
  35. I am using an ohlins shock from a road race bike, so it’s totaly different then a drag shock. I need to revalve it for drag racing, is this something you do?
  36. I am running a Shinko 003 in the 200 size. I’ve had good success running 25 psi, but read info from the forum where Brock states 18 psi in rear. Can I go that low without screws to hold the tire on the stock wheel?
  37. How often should I use the Petron Oil Additive when changing my oil?
  38. How much race fuel (MR12) should I run? How do I clean the fuel system after the race?
  39. How much nitrous will my stock pistons take?
  40. How many inches will seat height change with your 3 position lowering links? Will I need a shorter kickstand?
  41. How long can MR12 be left in the gas tank?
  42. How long can I keep Alisyn oil in the bike (how many passes)?
  43. How is the less than zero weight oil going to perform on the street? I do still ride on the street some.
  44. How does Octane affect my bike’s power and performance?
  45. Does Brock’s recommend the use of K&N or BMC aftermarket street or race air filters?
  46. Does Brocks Performance have a credit line, or application for credit…. if I want to finance a Header for my bike ?
  47. Do you mix VP ultimate 4.2 for drag racing?
  48. Do you accept international credit cards?
  49. Brock this may be my mistake but I thought I got access to most all the forums on you’re site as a customer. I have access to the street smart forum but am locked out of almost all other advice forums.
  50. Adding a dynojet ignition module to my pcv will my tuner be able to achieve similar results as a pcv with a guhl reflash ecu ?
  51. Is it ok to mix race gas and pump gas with Brock’s maps?
  52. Can I use Brock’s maps with fuels in different countries?
  53. How come the welds on your stainless exhaust systems aren’t as good looking as other manufacturers?
  54. After my ride today I noticed that the end of my exhaust pipe was wet with a very watery substance. Normally it is dry more like soot. I was wondering what could this be caused by?
  55. I put Petron Oil Additive into my 2008 cbr1000rr and now my clutch is slipping. Why is this happening and what can I do to fix it.
  56. I purchased your Clutch spring spacer kit for 2004-2007 zx-10r and they do not seat into the “retainer” or “bucket” on top of the springs, way undersized. I tried a 2004 and 2005 clutch. Could it be packaged wrong, or what am I doing wrong here cause it doesn’t make sense.
  57. How do I get quotes for an international sale?
  58. Replacement parts such as headers and mid pipes..Does Brock sell these items individually or if the part is damage you have to purchase a whole new full system? ..I see there is no section on yur site for order replacement parts other than mufflers
  59. Which one of your exhaust will be the loudest on a hayabusa?? I’m looking for a nice loud sound.
  60. I have a 2004 Hayabusa. I replaced the exhaust cam with an intake cam. degreed it 105 int and 105 exhaust. Would you recommend an exhaust system.
  61. Do I just have to pull the flap out of my air box for the air box mod or do I have to cut the tunnel out where the flap was? And also my bike is in the rev limiter before it hits the red can I get some info on this also?
  62. Can I use VP MR12 gas in my 1397 Busa?
  63. Why does the idle increase after about 10 minutes of riding on my 1361 Hayabusa with basic head clean up and Alien Head system?
  64. What is the best oil and weight to run in my 1397 Hayabusa.
  65. What’s the difference between Brock’s Alien Head vs. ShortMeg exhaust?
  66. Should I expect to see any HP gains going from the Gen3 to the Sidewinder on my Busa?
  67. Should I buy the TRE or X-TRE for my 2009 Hayabusa?
  68. On an 08-12 Busa does the stock oxygen sensor go back in the exhaust? The opening for it is blocked off.
  69. I just bought a Billet Cam Chain Tensioner and I was wondering if you had the spec on how to put the right amount of tension on the chain or how to set it up?
  70. My bike runs horribly, is it the map?
  71. Dyno Testing with a Sidewinder – baffle in or baffle Out?
  72. Does the Speedo Healer also disable or sneak its way around the factory speed limiter ?
  73. Do TREs alter the Air/Fuel ration on the 08 Hayabusa?
  74. Regardless of the style/type of lowering links you offer, do I need to additionally purchase a shortened kickstand? I’m looking at the adjustable models for racing – will the stock kickstand still support the bike if I have dropped the rear?
  75. Is it hard to install an auto shifter on a zx14? Can I do it myself or do I need to take it to a shop for installing?
  76. I’m from France and was interested in your ECU reflash for the ZX-14R. I’ve heard the keys are coded with the ECU. If I get the ECU reflash, will I have to reprogram the keys to my bike?
  77. I have an 08 ZX-14 with a ShortMeg, secondaries removed, tre, BMC race air filter, and a PC5 with Brock’s map. My question is will a Brock’s flashed ECU help me pick up more power?
  78. I have a 2013 1400R, is it best to put a short exhaust on or long to increase power?
  79. I have a 2006 ZX-14 and I’m installing a 240 wide tire kit that’s extended 6 inches. Do you have an exhaust that will fit?
  80. After installing my new exhaust system, my ZX-14 overheats/spits antifreeze on to the ground when I turn off the engine. I removed the radiator during the install, but put everything back the way it was. Any idea what could cause this?
  81. What is the clutch stack height for an 01-04 GSX-R1000 when I remove a plate to make 8 steels and 8 fibers? I installed a clutch cushion for the back dated clutch on my 06 and have some OEM thick, thin steels, and fibers.
  82. Question / Issue I just put an Ultra Clutch Mod in a 08 GSX-R1000. The lever releases too close to the bar. It rides like a dirt bike, two fingers on bar, two on lever. What can I do to make it release further out?
  83. What gear change can I do to my 2007 GSX-R1000 with the stock length chain?
  84. Why don’t you provide Ignition Mapping for your exhaust systems?
  85. I am trying to choose between the Brock’s Alien Head full system or a sidewinder. My bike has a stock motor, but in the future it will be built. I was wondering which exhaust would be the best for a stock motor, but I also want to use the same exhaust when I get the engine built. I want the right exhaust that is going to get me peak performance.
  86. I am currently racing a 2006 GSXR 1000. If I lower the bike will my ET come down?
  87. My Suzuki misses and stalls abruptly when I pull the clutch lever in. Do I need a Map, or is my Power Commander bad?
  88. What are the expected gains going from stock everything to a Brock’s Full Exhaust and PCV with Map in a GSX-R1000? I know there are a few more factors involved in this equation but I would like rough estimate. Thanks
  89. Do you have a gear ratio calculator?
  90. Why has my FI light started coming on when the bike is decelerating? I cut the wires at the pressure switch for the clutch.
  91. Which model rear sprockets fit the BST wheels for my 2009 Yamaha R1?
  92. I’ve recently purchased a set of BST Carbon Fiber Wheels with ceramic wheel bearings. After only a few hundred miles it appears as if the bearings are leaking grease. Is this normal or something I should be concerned with?
  93. I have a PC ll but no software to hook up to my computer. Can you assist me in loading the proper maps I need?
  94. Will running MR12 require mapping changes compared to Brock’s street maps?
  95. I have an 08 Busa and plan on purchasing an exhaust from you. I wanted to see if you had a map for the BMC street filter and 93 octane gas?
  96. What is your take on E85 Fuel? Should I use it in my motorcycle?
  97. What is the best octane for the best fuel MPG? Do you have suggestions to improve my fuel mileage?
  98. Will a Power Commander hurt my stock 2009 Hayabusa with only 1 mile on it?
  99. Does Brock recommend mixing pump gas and racing fuels?
  100. I have aftermarket or ‘different than stock’ velocity stacks, do I need a new map?
  101. Should I remove my TRE after my ECU is Flashed?
  102. How do I gain access to Brock’s Private StreetSmart Owners Section?
  103. Are there special procedures when mounting a tire onto Rotobox or BST Carbon Fiber wheels with anti-slip rim treatment?
  104. Does Brock’s Performance offer racer support?
  105. Can I put the Brock’s Performance logo on my race suit and/or other items?
  106. What is Savage Mode?
  107. The fluid in the site glass of my of my Ninja H2 clutch system looks “cloudy, milky or dirty” – what causes this? What should I do?
  108. What 60 foot should I be looking for? What Air Fuel ratio should I be aiming for?
  109. Does the ECU have learning capabilities?
  110. What does Brock’s think about the straight pivot links available today?
  111. Why doesn’t Brock’s carry all the aftermarket items I want?
  112. Had my first few passes with the Sidewinder and low profile oil pan on my 02 Hayabusa with 1397 motor this weekend. I got my bike a full 2 inches lower. I only got 5 passes in but already knocked 0.198 off my ET! Also, that’s after 5 months of no riding. I LOVE it. What 60’s should I be looking for? My best was a 1.49 but I know there is more in it as I can hit it so much harder off the line now. Also, I have the LM-1 data logger. What A/F ratio should I be aiming for?
  113. I have a 2008 Hayabusa with the following items; Power Commander with your supplied Map, Air Shifter, Brock’s Exhaust system. I’m running 9.4 the 1/4 of mile. Someone told me that the ignition module is necessary to run below the 9 seconds. Can you provide some advice?
  114. I have a 02 GSXR 1000 with cams, ported head, exhaust and your modified ECU. Does the ECU have learning capabilities? My bike doesn’t have an O2 sensor, but I have been told I don’t need to use my power commander, my computer will tune it self.