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  1. Why Racing Beat Header design?
  2. Scalloped (beveled) rotors, is the process worth it?
  3. Silly Question
  4. single exhaust for california?
  5. S3 6 port with a bridge and a carb plan
  6. Making air box for 13b PP
  7. Alternate S4 5/6 Port Activation
  8. ITB Build - Need information
  9. I need to build exhaust im in Euroupe advice please
  10. 13b extend port build in nz !
  11. Na Mini Build
  12. will s5 motor need to run on s5 ecu?
  13. ITB's with stock ECU?
  14. Radiator Cap Pressure
  15. Jet sizes for 13 street port Race engine
  16. Made 160whp stock se ecu/dizzy
  17. Negative Pressure Oil Pans
  18. SA vs FB intake manifold
  19. FB S5 ITB Project
  20. Bridge port EFI and mpg
  21. LT-10S 6port Bridge with Itb map
  22. intake runner question
  23. start up help
  24. Oil and pressure question
  25. Direct injection
  26. Primary ports on 6-port
  27. itb's and positive "crankcase" ventilation
  28. ideas/tips for an 89 vert!
  29. Throttle body?
  30. Weber 48 IDA. Accel pump issue?
  31. Engine restore additive ?
  32. Sard fpr on 12a Nikki carb
  33. Bridgeport Primary length
  34. PP timing and power band
  35. ID This PP Housing
  36. noob questions '85 12a
  37. Designing short runner intake for stock fc/fd tb's
  38. Normal for streetport to have rough idle?
  39. 13B PP build
  40. a different kind of bridge and build
  41. Worth spending the extra money for Haltech LS1 ignition coils or go for OEM FC?
  42. Tuning for Power or Economy
  43. ITB's for racingbeat manifolds
  44. if you were going to make a FC na 250 hp
  45. 13b rebuilt ported
  46. yes n/a 7s can put up a run wit turbo cars!
  47. swap na to T2 injectors?
  48. Air pump
  49. Little bit of weber help
  50. WTB bridgeported FD sidehousing, who sells them?
  51. direct fire vs msd
  52. home grown semi peripheral build
  53. Lean Versus Rich Symptoms
  54. Dodging a bullet
  55. does running a cold air intake do anything on a carbed car?
  56. Project: Slowest 6 Port Build Ever
  57. engine for rallycar needs rebuild pineapple race streetport
  58. GM Rochecter TBI
  59. my first rx7 project(let me know what you think)
  60. a custom 13b?
  61. Strange premixing observation
  62. s5 aux ports not working
  63. individual throttle bodys
  64. 87 GXL non turbo hard starts... HELP!
  65. Spark Plug Cleaning
  66. 13B port? which one?
  67. 20B N/A dyno
  68. does heat wrap make car quieter
  69. Defined Auto n/a 4-rotor lives! Video inside
  70. carburetor differences?
  71. Injector suggestions - Haltech f9 harness compatible
  72. S4 ecu with s5 motor
  73. 13BPP 4barrel
  74. First time rebuild project!
  75. Help! Wont start!
  76. the coil thread
  77. High rpm clutches - where to get ?
  78. Finally Start...
  79. Fuel Pressure Question
  80. Best fuel pressure regulator for NA-EFI setups? Mallory 4305m?
  81. How much hp can i expect to see when tuned?
  82. I'm tired of looking for bridgeport pics
  83. Half Bridgeport with Magnaflow VT muffler NO GO
  84. Defined Autoworks Engine in my GTUs
  85. PP coolant passage sealing
  86. Problem!!
  87. Which 6 Port porting template?
  88. Dellorto 48dhla - diagram / tuning request
  89. Scary N/A moment
  90. dellorto 48 6port help
  91. Hooking up GSL-SE vac. advance to stock ECU (Carb / standalone setup)
  92. Help needed to new 12A NA project
  93. 6 Port Porting Advice
  94. Anti reversion Cones
  95. Megaphones
  96. feeling a bit overwhelmed
  97. My setup, NA for a bit?
  98. Stock TII to N/A Build
  99. Jacobs power pak install...
  100. corner seal ?
  101. Removing pitch diffusers in engine.
  102. making a comeback
  103. 12a rebuild questions
  104. Calculating optimum CFM for rotaries
  105. Exhaust: Mid collected dual vs. true dual?
  106. which injectors for my n/a 13b
  107. First time porting tips.
  108. Gasket to Exhaust Port Mismatch
  109. What to do with 13b in caterham 7
  110. 4 rotor power out put
  111. 13B carburated build questions
  112. Why did you stay n/a?
  113. input? na power and thoughts
  114. 2013 V 4 & Rotary Nationals - World's first public viewing/startup of the 6 Rotor
  115. 6 port daily driver engine
  116. What auxiliary gauges you using in your NA builds?
  117. RX8 Motor Swap
  118. 44 idf and intake omp linkage ?
  119. Hitting 200. Need recommendations.
  120. individual throttle bodys
  121. Intake questions for 12a bp...
  122. Grocery list
  123. Decreasing Port Size
  124. weber 48 ids or idf?
  125. Ceramic coatings - lower & upper intake
  126. measuring port timing
  127. blow by on heavily modded n/a's??
  128. High comp Rew semi p NA
  129. Peripheral port shape
  130. Mindtrain header primary length
  131. Oxygenated Race Fuels
  132. NA 20B ITB intake manifold worth saving? Pics
  133. Long primary length
  134. Peripheral Port 13b Build
  135. Air Inlet Temps
  136. sticky video walk around of your build!
  137. 13B Semi pp exhaust for a daily.
  138. Quick muffler question
  139. Street porting
  140. Thinking about porting my spare s4 irons
  141. Low power, NA tuning.
  142. S3 Stockport with Dellorto DHLA 48
  143. raising compression?
  144. NA 6 port half bridge build (zenki FC)
  145. using 36/36 DCD instead of the famous 28/36?
  146. Is two better than one? 12a
  147. Na build tell me what you think
  148. Trouble Finding answers
  149. How do I build a bridgeport??
  150. Is my dream just a dream or possibly reality?
  151. Cooling fan kicks on at cold start?
  152. Exhaust porting oops - problem?
  153. Possible engine rebuild
  154. rotor race clearencing (side face and tip, plus apex seal clearencing), who does it?
  155. VDI an 5/6th port reinstall questions
  156. Path to NA gains?
  157. here we go again: To bridge primaries or not!
  158. pp holley intake
  159. High temp exhaust packing?
  160. I need help tuning my 90 vert N/A
  161. new videos
  162. please help. starting problem.
  163. S5 SP mod/tuning potential
  164. 13B PP Ignition breakup
  165. Need suggestions for 13bPP setup
  166. Torque gain
  167. 13b powerband
  168. Not Sure What's Happening
  169. Injector sizing Q&A
  170. Sand Dragster headers 13B 6port
  171. Adjustable Fuel Pressure Regulator for S4
  172. tuning difference's between 6 port/4 port
  173. E Production Ports
  174. pp intake design. advice wanted
  175. itb's and runner length
  176. ITB Dyno Session
  177. High horsepower street port
  178. Modding the Vert
  179. reducing backfireing
  180. another rtek or not thread
  181. rtek or not to rtek? That is the question
  182. Mallory Ignition Coils for Hyfire 6AL
  183. How does a K&N air filter make your n/a sound?
  184. K/N Fitercharger Intake Kit on S5? Need Some Input Please
  185. question on building an shallow oil pan.
  186. power gains on a budget?
  187. injector size on 13b peripheral port
  188. removing stock s4 exhaust manifold
  189. Comments on compression video
  190. not sure which exhaust to run anymore on 13bre NA
  191. 1988 13b semi pp build
  192. Will this work on an FC N/A..Blitz Air Filter
  193. coolant problems
  194. Yet Another Exhaust Thread (Again) - RB long primary system
  195. timing problem...
  196. What is my engine build from?
  197. port actuators?
  198. any opinion on the corksport header for fc?
  199. S5 pineapple large street port
  200. corksport PS header review
  201. s4 213,000 miles dyno
  202. Another thread about exhausts
  203. Time attack 1981 RX-7 with M2R 13BPP Build
  204. How much power from 6 port
  205. How to increase power at high rpms?
  206. P-Port Build
  207. 4 port na drift moter
  208. Turbo rotor's in N/A motor
  209. PP engine ?
  210. 3 1/2 minutes of brap
  211. My semi pp build (slow progress)
  212. pp na lifespan? searched
  213. fuel system for 13bpport
  214. semi pp build help
  215. street porting template
  216. Just Bought RB exhaust.. Need advice
  217. N/a 20b hits record 475rwhp
  218. 86 GXL Exhaust
  219. 20B NA BP semi-PP ITBs
  220. want to make 300 rwhp in an s4 n/a
  221. need help with carb on pport
  222. 6 port timing idea
  223. intake lengnth
  224. streetable na build
  225. RX7 Extra large street port project.
  226. Motor builders?
  227. stickies?
  228. peripheral port power brakes
  229. Half Bridge, 6 port, advice
  230. 12a first gen to carbed 13b.
  231. Idle after the rebuild
  232. itb's on another 6port 13b
  233. NA Bolt on's
  234. Super afc, yes or no
  235. pp 13b tuning
  236. Intake setup
  237. what do i do with this air splitter???
  238. looking to go FI on old school 13b
  239. 20b
  240. maybe a new project down the road
  241. Stock 6 port with standalone in first gen, pretty fun!!
  242. Now I am really frustrated.......
  243. 6port NA carb ignition questions
  244. De-Turbo'd TII, got some issues.
  245. has anyone ever run one of those FAST ez-efi systems
  246. Exhaust/Header Flange dimensions
  247. Fuel Injector Plug Kit
  248. 97 fd,13b pp?
  249. My NA Car
  250. bridgeport intake dilemma