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  1. intake stack for OS carbs?
  2. OS .30 VG symptoms
  3. High end and low end for .70 Surpass II
  4. OS.91SX-H C SPEC PS- VIPER
  5. OS 21VZ-B V-Spec-T HELP
  6. OS 46 SF ABC
  7. OS 55AX Carb loosening
  8. .12tz carb restrictor/ break in on crt.5
  9. 2 O.S. engines, same problem
  10. OS FT 160 Twin Cam Timing
  11. Problem running .12tz (5)...help pls..
  12. Chart Method to find years of manufacture- Help
  13. The elusive 75AX Ringed engine....
  14. Info on my OS 70 Surpass engine?
  15. OS Max 12TZ Tuned
  16. Breaking in OS 1.20 AX for pusher config
  17. New 4-Stroke What Fuel?
  18. idling speed
  19. Glow plugs burnt out
  20. os
  21. OS 30VG cutting off
  22. o.s 21tm
  23. Sirius collector ring installation problem
  24. What happen to the OS 70 Surpass II
  25. RE: 32sx piston and conrod
  26. RE: 32sx piston and conrod
  27. OS 70 sz-h for airplane use
  28. Max 12TZ(P) T3 Temperature
  29. 46 AX Head shim
  30. .18cv-r cooling head
  31. OS 91 SURPASS
  32. O.S. 1.20 AX Remote Needle Valve ??
  33. .12CV-X Question
  34. Rerouting exhaust on OS 40 FS
  35. .91FX tuned pipe?
  36. Is there an AX on the way between the .75 and 1.20
  37. FS 200
  38. OS-140 EFI Question
  39. 1.60fx
  40. 0.12 TR with 0.12TZ Turbo Head
  41. OS46AXABL
  42. OS 160 Twin
  43. OS MAX 40-H - Worth to restore?
  44. OS FS-120 Two-Cover Valve Lash
  45. FS 120 Supercharged HELP
  46. OS 77 VRDF
  47. What engine to use
  48. just delete this.
  49. os 18tm getting hot
  50. OS 0.12 TR @ 0.15 Turbo Head
  51. 3 blade prop &Tank configuration - FS 91
  52. AX46 Muffler Gasket
  53. pressure tube length
  54. String engine
  55. FS90 Overhaul Help
  56. Fuel for V-spec
  57. Hanno RE 61 replacement
  58. What Pipe for the OS 160
  59. OS 160 Gemini Carb Differences
  60. FT-120 Carb
  61. os 46ax rear bearing
  62. O.S. .70 Surpass Valve Timing
  63. MOVED: how to get CAD model for the OS engines
  64. 160 FX Midrange
  65. NItro MIxture, Timing, and Head Shims
  66. All my engines
  67. OS 50sx
  68. 46FX vs 55AX
  69. discontinued
  70. Duratrax LR3 in 18TZ.
  71. Re: OS 160 Twin 4 Stroke..
  72. OS 18 CVR break-in
  73. os 120 pump ticking noise
  74. .12 tz
  75. SF or FSR ?
  76. os 160 twin tank vent
  77. OS 160 Twin
  78. 25fx and 32sx exhaust port bolt pattern
  79. Inverted OS 91fs
  80. OS 55AX wont stay running
  81. break in the speed.
  82. OS FS 70 Rocker cover question
  83. Is my FX .61 casing toast?
  84. Fuel suggestion for OS engines
  85. leaky 46AX muffler
  86. OS 70 Bearing replacement
  87. O.S .46FXi cuts out ONLY while in the air
  88. O.S. .18 CV-R Starter
  89. V-Spec Speed Starting Problems..
  90. Fuel consumption 70 Surpass vs 46ax
  91. Aerobatic Fuel Tank Set Up
  92. OS 120 FS -E Fuel lines?
  93. O.S. FS-120 III Surpass Pumped
  94. OS 91 fuel inlet question
  95. making sense of horse power
  96. Thrust OS.40 engine
  97. will 7M carb work for the 61SF series engines?
  98. What Engine to use ???
  99. OS 90FS
  100. OZ TZ .12 crank?
  101. OS.91 4-stroke engine help needed
  102. OS 50SX won't run over mid throttle
  103. .91 OS engine question... how many turns
  104. OS 120 FS -E Strip Down
  105. 60 FSR vs 61 FSR crankcase
  106. Piston ring for os max-h 60
  107. CZ
  108. Breaking In FL-70
  109. Gemini 120 idle problem
  110. Customer loyalty and OS parts supply
  111. OS 200u Fuel consumation
  112. OS 91FX trouble...
  113. OS 46 AX break-in
  114. OS TZ .12
  115. .25Fx question
  116. OS 160FX is this normal?
  117. 61 FSR-VF Cylinder Sleeve
  118. .30VG stalls on big landings??
  119. OS 18 CV-RX one-way bearing slip
  120. 45 fsr
  121. LA engines being replaced?
  122. OS 52 FS RPM
  123. OS 91 Surpass Starting Trouble
  124. I have a problem with the OS forum
  125. head gasket on a os 60Sf
  126. OS 91FX vs 75AX
  127. O.S. FS .70S Run Problem
  128. 744 muffler alternatives
  129. How does this engine look:
  130. OS 70 Ultimate Pump parts
  131. MOVED: tach readings for 18x6 simitar wood prop on os 1.6 with bisson muffler
  132. OS 60 FP engine vibration????
  133. test
  134. OS FS-200S-P
  135. OS 91FX - New HS Needle Valve - Where to start?
  136. Hey Bax.
  137. FS-200U fuel tubing size
  138. FS-200U pitts style muffler
  139. MOVED: Should I be adjusting my Perry VP30?
  140. MOVED: OS160FX w/VP-30 Perry Pump
  141. OS 91 II Surpass Muffler
  142. Help for os max S35 R/C
  143. wrong messages pls delete this
  144. OS FS-200S Pump
  145. 46 LA Dead sticks
  146. Prop size for OS 108 FSR
  147. OS56a
  148. H.P.rating fs-91
  149. OS 200 adjustments????
  150. OS engine torque curves
  151. please help me tune this
  152. vaporlock 18tm
  153. 40 surpass air bleed adjust
  154. max .21tm specs
  155. OS FSA 56
  156. FX61 and glow plugs
  157. (SPECIAL EDITION)
  158. motor troubles
  159. os 61 fx tuning
  160. 18 TM install
  161. OS .91 surpass II pump parts
  162. OS .61 FS 4 Stroke and Head Gasket Cylinder
  163. OS 61 RF and Hatori PipeHi all.
  164. OS 1.60 and VP-20 pump
  165. Newbie OS 91 Surpass prop???
  166. OS 18TM Questions
  167. 46 SF Help
  168. O.S. 55 AX HORSE POWER RATING?
  169. FT-300 Slow Transition
  170. 18CV-R help needed
  171. OS. 18TM leaking FB
  172. 91 FS Surpass II prop
  173. ft-160 os. twin tune que.
  174. OS engines and Top Flight header
  175. Tuned pipe for OS sz 70 H heli engine
  176. FS-18SR starting problems
  177. New OS 75 AX
  178. o.s. .91 FS Surpass II w/ 60P carb
  179. OS 120 ax Plug ?
  180. 46AX Problems
  181. Were all SF .61's Long Strokes?
  182. OS FS-48 RING WANTED NEW
  183. Question on the LA40
  184. OS 120 Ax baffle removal?
  185. *OS 120AX Head Bolts Came Loose*
  186. Break-in process for OS .18CVRX
  187. OS FS200S
  188. OS 18TM Factory Settings
  189. o.s 61 FS 4 stroke
  190. OS 120 Axs in a ME 262
  191. Setting up a 7l carb
  192. Bubbles in Fuel after Remote Needle Valve
  193. Remote Needle Valve Conversion for OS .60FP???
  194. OS 120 PUMP 111 fuel and pump problems
  195. OS 50 Ring Fuel Delivery Problem
  196. OS 46AX needle vavle mount
  197. os 18tz
  198. OS FS camshaft peeling, pump regulator parts
  199. OS120 AX
  200. mounting an OS FS-70 sideways?
  201. OS 46FX peeling cylinder liner
  202. 0%nitro for OS120AX?
  203. OS pumped .91 Surpass vs. ???
  204. Lost HS needle valve extension for .61FX
  205. Scared my OS is too hot...
  206. Difficulty getting new motor started.
  207. Muffler for OS.25 Max
  208. 744 Muffler....what engine
  209. FS-91 II Surpass muffler problem
  210. Question on nitro content for 160, 120
  211. .21 xm piston
  212. can i use a starter box for my os 18 cvrx (pull start)?
  213. OS 120 and 160
  214. 70 surpass camshaft delaminating
  215. OS MAX FXi 46 engine stall problem going vertical
  216. OS 61SF rmp dropping
  217. O.S. .61rf Hanno special
  218. WHERE'S BAX?
  219. OS 160 issues
  220. Bax OS Needle valve unit
  221. OS46AX white exhaust residue
  222. O.S. 0.46 brand new issue?
  223. Opertaing temp for O.S. FS-91 II Surpass
  224. OS.90FSR DatŠ° & Manual
  225. MOVED: OS .30VG
  226. Problem with os 18tm in revo
  227. I Stripped My Head's Plug Threads.
  228. 2nd gen. wankel question
  229. OS120 pump Surpass I
  230. OS 91 FX Needle Valve Question
  231. Dose a pumped OS 91 get after run oil
  232. OS FS-91 SII-P
  233. OS Max .15 III Prop Shaft Thread
  234. os 55ax manual
  235. 70 Ultimate "original" vs "new"
  236. OS 30VG (P) ES
  237. os 120 pump parts
  238. Old OS Max .50 bearing size?
  239. OS FS-70 Ultimate W/Pump
  240. AX 46 Muffler
  241. 12 or 15 for JATO
  242. Carb for 61SF-ABC-P
  243. OS .28 xz engine
  244. A Question for Bax...F versus FSR
  245. os .21 vg break in
  246. Bax.
  247. FX 1.60 with 18x6 wood. What RPM?
  248. 91 Surpass I backfire on throtle down
  249. Questions about my new O.S. .18 CV-RX
  250. os 18 cv rx