View Full Version : Naturally Aspirated Performance Forum


Pages : [1] 2 3

  1. 84 GSL-SE looking for 220 hp at the wheels
  2. Rotary Engineering Dual Weber 36 DCD's on Frankenrotor Tuning Help
  3. 13b extend port in first gen tuned
  4. Conversion: s4 T2 to s4 NA Bridge Port
  5. Making a carbed NA engine out of a Tii for my Sa22
  6. Tuning 62mm Geers carb on P-port
  7. Modified S4 Turbo Intake on an S4 Streetported 6 port?
  8. Loosening up a sticky Aux Port shaft
  9. can i afford a pp?
  10. Intake Manifold Casting
  11. Carbon seal inspection
  12. "Pumping" accelerator to start 13B?
  13. ignition timing single electronic dizzy 13b 1/2 Bridge
  14. car won't start naturally and then runs fine
  15. Dry Sumping a 13B PP
  16. Realistic Performance Expectations?
  17. Muffler Deletes?
  18. Engine surge With lights on
  19. Secondary Injector upgrade on S4 NA
  20. Intake Advice and Your Setup
  21. 2 Piece apex seals and full bridge
  22. wich engine should i use
  23. Who do you recommend to rebuilt 13b bridgeport in Los Angeles?
  24. HKS Hi power w/ RB header and presilencer?
  25. Daily 13b PP S4
  26. watch my sparkplugs and listen to my new exhaust.
  27. How much power lost with locked timing?
  28. Why Racing Beat Header design?
  29. Scalloped (beveled) rotors, is the process worth it?
  30. Silly Question
  31. single exhaust for california?
  32. S3 6 port with a bridge and a carb plan
  33. Making air box for 13b PP
  34. Alternate S4 5/6 Port Activation
  35. ITB Build - Need information
  36. I need to build exhaust im in Euroupe advice please
  37. 13b extend port build in nz !
  38. Na Mini Build
  39. will s5 motor need to run on s5 ecu?
  40. ITB's with stock ECU?
  41. Radiator Cap Pressure
  42. Jet sizes for 13 street port Race engine
  43. Made 160whp stock se ecu/dizzy
  44. Negative Pressure Oil Pans
  45. SA vs FB intake manifold
  46. FB S5 ITB Project
  47. Bridge port EFI and mpg
  48. LT-10S 6port Bridge with Itb map
  49. intake runner question
  50. start up help
  51. Oil and pressure question
  52. Direct injection
  53. Primary ports on 6-port
  54. itb's and positive "crankcase" ventilation
  55. ideas/tips for an 89 vert!
  56. Throttle body?
  57. Weber 48 IDA. Accel pump issue?
  58. Engine restore additive ?
  59. Sard fpr on 12a Nikki carb
  60. Bridgeport Primary length
  61. PP timing and power band
  62. ID This PP Housing
  63. noob questions '85 12a
  64. Designing short runner intake for stock fc/fd tb's
  65. Normal for streetport to have rough idle?
  66. 13B PP build
  67. a different kind of bridge and build
  68. Worth spending the extra money for Haltech LS1 ignition coils or go for OEM FC?
  69. Tuning for Power or Economy
  70. ITB's for racingbeat manifolds
  71. if you were going to make a FC na 250 hp
  72. 13b rebuilt ported
  73. yes n/a 7s can put up a run wit turbo cars!
  74. swap na to T2 injectors?
  75. Air pump
  76. Little bit of weber help
  77. WTB bridgeported FD sidehousing, who sells them?
  78. direct fire vs msd
  79. home grown semi peripheral build
  80. Lean Versus Rich Symptoms
  81. Dodging a bullet
  82. does running a cold air intake do anything on a carbed car?
  83. Project: Slowest 6 Port Build Ever
  84. engine for rallycar needs rebuild pineapple race streetport
  85. GM Rochecter TBI
  86. my first rx7 project(let me know what you think)
  87. a custom 13b?
  88. Strange premixing observation
  89. s5 aux ports not working
  90. individual throttle bodys
  91. 87 GXL non turbo hard starts... HELP!
  92. Spark Plug Cleaning
  93. 13B port? which one?
  94. 20B N/A dyno
  95. does heat wrap make car quieter
  96. Defined Auto n/a 4-rotor lives! Video inside
  97. carburetor differences?
  98. Injector suggestions - Haltech f9 harness compatible
  99. S4 ecu with s5 motor
  100. 13BPP 4barrel
  101. First time rebuild project!
  102. Help! Wont start!
  103. the coil thread
  104. High rpm clutches - where to get ?
  105. Finally Start...
  106. Fuel Pressure Question
  107. Best fuel pressure regulator for NA-EFI setups? Mallory 4305m?
  108. How much hp can i expect to see when tuned?
  109. I'm tired of looking for bridgeport pics
  110. Half Bridgeport with Magnaflow VT muffler NO GO
  111. Defined Autoworks Engine in my GTUs
  112. PP coolant passage sealing
  113. Problem!!
  114. Which 6 Port porting template?
  115. Dellorto 48dhla - diagram / tuning request
  116. Scary N/A moment
  117. dellorto 48 6port help
  118. Hooking up GSL-SE vac. advance to stock ECU (Carb / standalone setup)
  119. Help needed to new 12A NA project
  120. 6 Port Porting Advice
  121. Anti reversion Cones
  122. Megaphones
  123. feeling a bit overwhelmed
  124. My setup, NA for a bit?
  125. Stock TII to N/A Build
  126. Jacobs power pak install...
  127. corner seal ?
  128. Removing pitch diffusers in engine.
  129. making a comeback
  130. 12a rebuild questions
  131. Calculating optimum CFM for rotaries
  132. Exhaust: Mid collected dual vs. true dual?
  133. which injectors for my n/a 13b
  134. First time porting tips.
  135. Gasket to Exhaust Port Mismatch
  136. What to do with 13b in caterham 7
  137. 4 rotor power out put
  138. 13B carburated build questions
  139. Why did you stay n/a?
  140. input? na power and thoughts
  141. 2013 V 4 & Rotary Nationals - World's first public viewing/startup of the 6 Rotor
  142. 6 port daily driver engine
  143. What auxiliary gauges you using in your NA builds?
  144. RX8 Motor Swap
  145. 44 idf and intake omp linkage ?
  146. Hitting 200. Need recommendations.
  147. individual throttle bodys
  148. Intake questions for 12a bp...
  149. Grocery list
  150. Decreasing Port Size
  151. weber 48 ids or idf?
  152. Ceramic coatings - lower & upper intake
  153. measuring port timing
  154. blow by on heavily modded n/a's??
  155. High comp Rew semi p NA
  156. Peripheral port shape
  157. Mindtrain header primary length
  158. Oxygenated Race Fuels
  159. NA 20B ITB intake manifold worth saving? Pics
  160. Long primary length
  161. Peripheral Port 13b Build
  162. Air Inlet Temps
  163. sticky video walk around of your build!
  164. 13B Semi pp exhaust for a daily.
  165. Quick muffler question
  166. Street porting
  167. Thinking about porting my spare s4 irons
  168. Low power, NA tuning.
  169. S3 Stockport with Dellorto DHLA 48
  170. raising compression?
  171. NA 6 port half bridge build (zenki FC)
  172. using 36/36 DCD instead of the famous 28/36?
  173. Is two better than one? 12a
  174. Na build tell me what you think
  175. Trouble Finding answers
  176. How do I build a bridgeport??
  177. Is my dream just a dream or possibly reality?
  178. Cooling fan kicks on at cold start?
  179. Exhaust porting oops - problem?
  180. Possible engine rebuild
  181. rotor race clearencing (side face and tip, plus apex seal clearencing), who does it?
  182. VDI an 5/6th port reinstall questions
  183. Path to NA gains?
  184. here we go again: To bridge primaries or not!
  185. pp holley intake
  186. High temp exhaust packing?
  187. I need help tuning my 90 vert N/A
  188. new videos
  189. please help. starting problem.
  190. S5 SP mod/tuning potential
  191. 13B PP Ignition breakup
  192. Need suggestions for 13bPP setup
  193. Torque gain
  194. 13b powerband
  195. Not Sure What's Happening
  196. Injector sizing Q&A
  197. Sand Dragster headers 13B 6port
  198. Adjustable Fuel Pressure Regulator for S4
  199. tuning difference's between 6 port/4 port
  200. E Production Ports
  201. pp intake design. advice wanted
  202. itb's and runner length
  203. ITB Dyno Session
  204. High horsepower street port
  205. Modding the Vert
  206. reducing backfireing
  207. another rtek or not thread
  208. rtek or not to rtek? That is the question
  209. Mallory Ignition Coils for Hyfire 6AL
  210. How does a K&N air filter make your n/a sound?
  211. K/N Fitercharger Intake Kit on S5? Need Some Input Please
  212. question on building an shallow oil pan.
  213. power gains on a budget?
  214. injector size on 13b peripheral port
  215. removing stock s4 exhaust manifold
  216. Comments on compression video
  217. not sure which exhaust to run anymore on 13bre NA
  218. 1988 13b semi pp build
  219. Will this work on an FC N/A..Blitz Air Filter
  220. coolant problems
  221. Yet Another Exhaust Thread (Again) - RB long primary system
  222. timing problem...
  223. What is my engine build from?
  224. port actuators?
  225. any opinion on the corksport header for fc?
  226. S5 pineapple large street port
  227. corksport PS header review
  228. s4 213,000 miles dyno
  229. Another thread about exhausts
  230. Time attack 1981 RX-7 with M2R 13BPP Build
  231. How much power from 6 port
  232. How to increase power at high rpms?
  233. P-Port Build
  234. 4 port na drift moter
  235. Turbo rotor's in N/A motor
  236. PP engine ?
  237. 3 1/2 minutes of brap
  238. My semi pp build (slow progress)
  239. pp na lifespan? searched
  240. fuel system for 13bpport
  241. semi pp build help
  242. street porting template
  243. Just Bought RB exhaust.. Need advice
  244. N/a 20b hits record 475rwhp
  245. 86 GXL Exhaust
  246. 20B NA BP semi-PP ITBs
  247. want to make 300 rwhp in an s4 n/a
  248. need help with carb on pport
  249. 6 port timing idea
  250. intake lengnth