View Full Version : Naturally Aspirated Performance Forum

Pages : [1] 2 3 4

  1. Borla/ TWM ITBs
  2. Hit a wall of power loss.
  3. Holy gas smell !!! Periphal port 13b
  4. 46MM ITB Throttle Bodies
  5. One More ITB Question
  6. Periphal port 13b s5 !?!?!?!?
  7. ITB Cold idle issues
  8. ITB Help
  9. Intake manifold port matching/reversion...
  10. 6 port, half bridge or full bridge?
  11. 13b oldschool four port semi p?
  12. Question about Carbing an S4
  13. In retrospect. Could I have went 4 port?
  14. Stooopid Question
  15. Rotary noob...talk me into keeping this please...
  16. Itb airbox fabricated
  17. Half bridge and stock intake questions
  18. need pointers fuel pump installation need pointers
  19. IDF Racing Beat
  20. Fuel Filter Recomendations.
  21. 13b PP miata drift car build
  22. Building PP housings : made holes, need advice on epoxy
  23. Exhaust questions
  24. Why no FC NA balanced build love?
  25. Grocery list build
  26. Who Surface Grinds Side Housings in the South East US?
  27. How bad is the turbo trans?
  28. 6 Port Sleeve Removal with ITB's?
  29. Conversion: s4 to s5 engine swap question
  30. 202whp 13b Cosmo NA
  31. 6 port bridge template
  32. S4 N/A Bridgeport Build
  33. Holley throttle body instead of ITB's
  34. 84 GSL-SE looking for 220 hp at the wheels
  35. Rotary Engineering Dual Weber 36 DCD's on Frankenrotor Tuning Help
  36. 13b extend port in first gen tuned
  37. Conversion: s4 T2 to s4 NA Bridge Port
  38. Making a carbed NA engine out of a Tii for my Sa22
  39. Tuning 62mm Geers carb on P-port
  40. Modified S4 Turbo Intake on an S4 Streetported 6 port?
  41. Loosening up a sticky Aux Port shaft
  42. can i afford a pp?
  43. Intake Manifold Casting
  44. Carbon seal inspection
  45. "Pumping" accelerator to start 13B?
  46. ignition timing single electronic dizzy 13b 1/2 Bridge
  47. car won't start naturally and then runs fine
  48. Dry Sumping a 13B PP
  49. Realistic Performance Expectations?
  50. Muffler Deletes?
  51. Engine surge With lights on
  52. Secondary Injector upgrade on S4 NA
  53. Intake Advice and Your Setup
  54. 2 Piece apex seals and full bridge
  55. wich engine should i use
  56. Who do you recommend to rebuilt 13b bridgeport in Los Angeles?
  57. HKS Hi power w/ RB header and presilencer?
  58. Daily 13b PP S4
  59. watch my sparkplugs and listen to my new exhaust.
  60. How much power lost with locked timing?
  61. Why Racing Beat Header design?
  62. Scalloped (beveled) rotors, is the process worth it?
  63. Silly Question
  64. single exhaust for california?
  65. S3 6 port with a bridge and a carb plan
  66. Making air box for 13b PP
  67. Alternate S4 5/6 Port Activation
  68. ITB Build - Need information
  69. I need to build exhaust im in Euroupe advice please
  70. 13b extend port build in nz !
  71. Na Mini Build
  72. will s5 motor need to run on s5 ecu?
  73. ITB's with stock ECU?
  74. Radiator Cap Pressure
  75. Jet sizes for 13 street port Race engine
  76. Made 160whp stock se ecu/dizzy
  77. Negative Pressure Oil Pans
  78. SA vs FB intake manifold
  79. FB S5 ITB Project
  80. Bridge port EFI and mpg
  81. LT-10S 6port Bridge with Itb map
  82. intake runner question
  83. start up help
  84. Oil and pressure question
  85. Direct injection
  86. Primary ports on 6-port
  87. itb's and positive "crankcase" ventilation
  88. ideas/tips for an 89 vert!
  89. Throttle body?
  90. Weber 48 IDA. Accel pump issue?
  91. Engine restore additive ?
  92. Sard fpr on 12a Nikki carb
  93. Bridgeport Primary length
  94. PP timing and power band
  95. ID This PP Housing
  96. noob questions '85 12a
  97. Designing short runner intake for stock fc/fd tb's
  98. Normal for streetport to have rough idle?
  99. 13B PP build
  100. a different kind of bridge and build
  101. Worth spending the extra money for Haltech LS1 ignition coils or go for OEM FC?
  102. Tuning for Power or Economy
  103. ITB's for racingbeat manifolds
  104. if you were going to make a FC na 250 hp
  105. 13b rebuilt ported
  106. yes n/a 7s can put up a run wit turbo cars!
  107. swap na to T2 injectors?
  108. Air pump
  109. Little bit of weber help
  110. WTB bridgeported FD sidehousing, who sells them?
  111. direct fire vs msd
  112. home grown semi peripheral build
  113. Lean Versus Rich Symptoms
  114. Dodging a bullet
  115. does running a cold air intake do anything on a carbed car?
  116. Project: Slowest 6 Port Build Ever
  117. engine for rallycar needs rebuild pineapple race streetport
  118. GM Rochecter TBI
  119. my first rx7 project(let me know what you think)
  120. a custom 13b?
  121. Strange premixing observation
  122. s5 aux ports not working
  123. individual throttle bodys
  124. 87 GXL non turbo hard starts... HELP!
  125. Spark Plug Cleaning
  126. 13B port? which one?
  127. 20B N/A dyno
  128. does heat wrap make car quieter
  129. Defined Auto n/a 4-rotor lives! Video inside
  130. carburetor differences?
  131. Injector suggestions - Haltech f9 harness compatible
  132. S4 ecu with s5 motor
  133. 13BPP 4barrel
  134. First time rebuild project!
  135. Help! Wont start!
  136. the coil thread
  137. High rpm clutches - where to get ?
  138. Finally Start...
  139. Fuel Pressure Question
  140. Best fuel pressure regulator for NA-EFI setups? Mallory 4305m?
  141. How much hp can i expect to see when tuned?
  142. I'm tired of looking for bridgeport pics
  143. Half Bridgeport with Magnaflow VT muffler NO GO
  144. Defined Autoworks Engine in my GTUs
  145. PP coolant passage sealing
  146. Problem!!
  147. Which 6 Port porting template?
  148. Dellorto 48dhla - diagram / tuning request
  149. Scary N/A moment
  150. dellorto 48 6port help
  151. Hooking up GSL-SE vac. advance to stock ECU (Carb / standalone setup)
  152. Help needed to new 12A NA project
  153. 6 Port Porting Advice
  154. Anti reversion Cones
  155. Megaphones
  156. feeling a bit overwhelmed
  157. My setup, NA for a bit?
  158. Stock TII to N/A Build
  159. Jacobs power pak install...
  160. corner seal ?
  161. Removing pitch diffusers in engine.
  162. making a comeback
  163. 12a rebuild questions
  164. Calculating optimum CFM for rotaries
  165. Exhaust: Mid collected dual vs. true dual?
  166. which injectors for my n/a 13b
  167. First time porting tips.
  168. Gasket to Exhaust Port Mismatch
  169. What to do with 13b in caterham 7
  170. 4 rotor power out put
  171. 13B carburated build questions
  172. Why did you stay n/a?
  173. input? na power and thoughts
  174. 2013 V 4 & Rotary Nationals - World's first public viewing/startup of the 6 Rotor
  175. 6 port daily driver engine
  176. What auxiliary gauges you using in your NA builds?
  177. RX8 Motor Swap
  178. 44 idf and intake omp linkage ?
  179. Hitting 200. Need recommendations.
  180. individual throttle bodys
  181. Intake questions for 12a bp...
  182. Grocery list
  183. Decreasing Port Size
  184. weber 48 ids or idf?
  185. Ceramic coatings - lower & upper intake
  186. measuring port timing
  187. blow by on heavily modded n/a's??
  188. High comp Rew semi p NA
  189. Peripheral port shape
  190. Mindtrain header primary length
  191. Oxygenated Race Fuels
  192. NA 20B ITB intake manifold worth saving? Pics
  193. Long primary length
  194. Peripheral Port 13b Build
  195. Air Inlet Temps
  196. sticky video walk around of your build!
  197. 13B Semi pp exhaust for a daily.
  198. Quick muffler question
  199. Street porting
  200. Thinking about porting my spare s4 irons
  201. Low power, NA tuning.
  202. S3 Stockport with Dellorto DHLA 48
  203. raising compression?
  204. NA 6 port half bridge build (zenki FC)
  205. using 36/36 DCD instead of the famous 28/36?
  206. Is two better than one? 12a
  207. Na build tell me what you think
  208. Trouble Finding answers
  209. How do I build a bridgeport??
  210. Is my dream just a dream or possibly reality?
  211. Cooling fan kicks on at cold start?
  212. Exhaust porting oops - problem?
  213. Possible engine rebuild
  214. rotor race clearencing (side face and tip, plus apex seal clearencing), who does it?
  215. VDI an 5/6th port reinstall questions
  216. Path to NA gains?
  217. here we go again: To bridge primaries or not!
  218. pp holley intake
  219. High temp exhaust packing?
  220. I need help tuning my 90 vert N/A
  221. new videos
  222. please help. starting problem.
  223. S5 SP mod/tuning potential
  224. 13B PP Ignition breakup
  225. Need suggestions for 13bPP setup
  226. Torque gain
  227. 13b powerband
  228. Not Sure What's Happening
  229. Injector sizing Q&A
  230. Sand Dragster headers 13B 6port
  231. Adjustable Fuel Pressure Regulator for S4
  232. tuning difference's between 6 port/4 port
  233. E Production Ports
  234. pp intake design. advice wanted
  235. itb's and runner length
  236. ITB Dyno Session
  237. High horsepower street port
  238. Modding the Vert
  239. reducing backfireing
  240. another rtek or not thread
  241. rtek or not to rtek? That is the question
  242. Mallory Ignition Coils for Hyfire 6AL
  243. How does a K&N air filter make your n/a sound?
  244. K/N Fitercharger Intake Kit on S5? Need Some Input Please
  245. question on building an shallow oil pan.
  246. power gains on a budget?
  247. injector size on 13b peripheral port
  248. removing stock s4 exhaust manifold
  249. Comments on compression video
  250. not sure which exhaust to run anymore on 13bre NA