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techtalk:ref:perf01 [2017/03/19 18:47] – [Stage 1 Upgrades] ixl2relaxtechtalk:ref:perf01 [2024/01/19 15:26] (current) – hippysmack
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 [[:techtalk:menu|{{  :techtalk:gototechnicalmenu.jpg|}}]] [[:techtalk:menu|{{  :techtalk:gototechnicalmenu.jpg|}}]]
 +====== REF: Engine Conversions & Upgrades ======
 +
 ====== Performance Upgrades ====== ====== Performance Upgrades ======
 Typical Staged Sportster Engine Upgrades ((Freud- XLFORUM)) Typical Staged Sportster Engine Upgrades ((Freud- XLFORUM))
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 Stage 0: Stock = HP- 40 for 883, HP- 50 for 1200 (average) Stage 0: Stock = HP- 40 for 883, HP- 50 for 1200 (average)
  
-Stage 0.5 (also known as “The Harley Tax”)= HP- 50 for 883, HP- 60 for factory 1200 (Example)((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+Stage 0.5 (also known as “The Harley Tax”)= HP- 50 for 883, HP- 60 for factory 1200 (Example)((Freud-http://xlforum.net/forums/showthread.php?t=1606840))
  
   * Stock plus:   * Stock plus:
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     * SE Slip-On Mufflers or equivalent      * SE Slip-On Mufflers or equivalent 
      
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- 
 ===== Stage 1 Upgrades ===== ===== Stage 1 Upgrades =====
  
-Quote: Stage 1 and Harley Tax are synonims and include Pipes, Air Filter and Carburetor re-jetting/ ECU re-mapping ((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+Quote: Stage 1 and Harley Tax are synonims and include Pipes, Air Filter and Carburetor re-jetting/ ECU re-mapping ((Freud-http://xlforum.net/forums/showthread.php?t=1606840))
  
-  * Stage 1.0 = HP- 60 for 883/1200, HP- 65-70  for factory 1200 (Example)((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+  * Stage 1.0 = HP- 60 for 883/1200, HP- 65-70  for factory 1200 (Example)((Freud-https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840))
   * High Flow Air Cleaner AND    * High Flow Air Cleaner AND 
   * High Flow Exhaust AND   * High Flow Exhaust AND
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  1200 Engines:  1200 Engines:
   * Carbureted / Year Model / Mods:   * Carbureted / Year Model / Mods:
-     *  +     * . 
-     *   +     * . 
-     *  +     * . 
-     *  +     * .
   * EFI:/ Year Model / Mods:   * EFI:/ Year Model / Mods:
-     *   +     * . 
-     *  +     * . 
-     *  +     * . 
-     *  +     * .
    
 ===== Stage 1.5 Upgrades ===== ===== Stage 1.5 Upgrades =====
- Stage 1.5= HP-65 for 883/1200, HP- 70 for factory 1200 (Example)((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+ Stage 1.5= HP-65 for 883/1200, HP- 70 for factory 1200 (Example)((Freud-https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840))
   * Stage 1 plus:    * Stage 1 plus: 
      * Andrews N2 cams (mild)       * Andrews N2 cams (mild) 
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 ===== Stage 2 Upgrades ===== ===== Stage 2 Upgrades =====
  
-Quote: Stage II: Stage I plus cam upgrades ((rocketmangb- http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+Quote: Stage II: Stage I plus cam upgrades ((rocketmangb- http://xlforum.net/forums/showthread.php?t=1606840))
  
-Quote: Stage II: Camshaft, Larger displacement, Higher compression ((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840)) +Quote: Stage II: Camshaft, Larger displacement, Higher compression ((Freud-https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840)) 
-  * Stage 2: Stage 1.5 plus: (Example)((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+  * Stage 2: Stage 1.5 plus: (Example)((Freud-https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840))
      * Andrews N4, N8, or SE bolt-in cams instead of N2      * Andrews N4, N8, or SE bolt-in cams instead of N2
      * SE S1 Lightning or other bolt-on +/- 10:1 heads      * SE S1 Lightning or other bolt-on +/- 10:1 heads
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 ===== Stage 3 Upgrades ===== ===== Stage 3 Upgrades =====
-Quote:Stage III: Its on like Donkey Kong ! ((rocketmangb- http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+Quote:Stage III: Its on like Donkey Kong ! ((rocketmangb- https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840))
  
-Quote: Stage III: Boring and/or Headwork and/or Forced Induction and/or Nitrous  ((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+Quote: Stage III: Boring and/or Headwork and/or Forced Induction and/or Nitrous  ((Freud-http://xlforum.net/forums/showthread.php?t=1606840))
 Stage 3 =  HP- ???? Stage 3 =  HP- ????
-  * Stage 2.5 plus:(Example)((Freud-http://xlforum.net/vbportal/forums/showthread.php?t=1606840))+  * Stage 2.5 plus:(Example)((Freud-https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/147938-consensus-harley-tax-stages-1-2-and-3?t=1606840))
      * Big-bore cylinders and pistons and/or      * Big-bore cylinders and pistons and/or
      * Stroker kit and/or      * Stroker kit and/or
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- +====== Useful Tips Formulas ====== 
 +===== Formulas ===== 
 +  * Displacement: pi x (radius squared) x height (example: 4 inch bore, 4 inch stroke) = 3.14159 x (2 squared) x 4 = 50.265ci of displacement per cylinder 
 +  * Cubic Centimeters to Cubic Inches: cc ÷ (2.54 cubed) (example: 1200cc) = 1200 ÷ (2.54 cubed) = 73.23ci 
 +  * Cubic Inches to Cubic Centimeters: ci x (2.54 cubed) (example: 100ci) = 100 x (2.54 cubed) = 1638.7cc 
 +  * Horsepower: (torque x rpm) ÷ 5252 (example: 80 ft-lbs at 4000 rpm) = (80 x 4000) ÷ 5252 = 60.93hp 
 +  * Torque: (horsepower x 5252) / rpm (example: 100hp at 4000 rpm) = (100 x 5252) ÷ 4000 = 80 x 4000) / 5252 = 131 ft-lbs. 
 + 
 +===== Building and Performance Tips ===== 
 +  * [[http://www.hammerperf.com/techtips.shtml|Hammer Performance Tech Tips]] 
 +  * [[http://nrhsperformance.com/tech.shtml|NRHS Performance Tech Tips]] 
 +  * [[http://www.floheadworks.com/Departments/articles.htm|Flo Headworks Tech Tips]] 
    
    

Trace: • REF: Engine Conversions & Upgrades • REF: Tools & Fasteners