Evolution Engine Mods [Archive] - V-Twin Forum : Harley-Davidson Motorcycle Forums

: Evolution Engine Mods


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  1. Compression ratio after milling heads
  2. Real new with real problems
  3. Where to find a minature O2 sensor & mounting flange
  4. Newly acquired 80 in
  5. Oil pump check
  6. S&S 96" Long block modification - max bore size
  7. Tatro machine
  8. Serrations on lower valve locator ...
  9. Anyone using Ultima cases?
  10. Cam cover won't fit due to pinion shaft nut
  11. Carb/cam changes and hard starting after sitting
  12. Stage 3 Tuning Advice (1995 Evo)
  13. 1994 EVO info
  14. Is this EVO motor worh it?
  15. Pros or cons on Ultra Evo replacement
  16. I'm doing some refreshing on my 98 Fatboy
  17. Need help with an 89" stroker
  18. Cylinder base gasket
  19. Head bolt seized on cylinder stud = spun stud!
  20. Cam for a 98 Springer
  21. 1995 EVO ignition module
  22. How many miles are too many?
  23. Upgrading my 1996 1340 Evo
  24. DS lifter blocks
  25. Red Shift 559, 10:1 Wiseco's, Manley valves+springs in a 1998 Evo Road King
  26. Head flow
  27. New member
  28. Factory black paint
  29. Chamber volume needed 80" evo
  30. Noob needing advice
  31. Jetting suggestions
  32. Cam? New build
  33. What size primary tubes?
  34. Valve springs
  35. Carb harness
  36. Andrews EV27 sweet spot
  37. Stock intake vs. Mikuni?
  38. Upgrade 1996 EVO
  39. Cam bearing to bushing
  40. '93 Evo upgrades
  41. Cam size help
  42. Pop, pop, pop
  43. Evo 120 which one to get?
  44. Flhtc 1991 air cleaner backplate
  45. JIMS Oil Pump install
  46. Rich running Road King
  47. Cam idle characteristics
  48. SE stage 2 perfomance software
  49. Evo cam question
  50. Evo CV carb jetting
  51. Axtell 88 ci quad cam first startup video
  52. Chain chafing inner primary
  53. Left case bearing insert
  54. 1984 Evolution flywheel/crank nut is loose
  55. End play
  56. Breathing--Big Sucker vs. Heavy Breather
  57. Need an Evo machine shop
  58. 1991 EVO - black engine paint
  59. Will all years fit my frame?
  60. Engine bogging down
  61. 1998 Road King hesitation/backfire
  62. S&S 113" made in 2002, any issues?
  63. S&S superstock heads
  64. What oil should be used on new rebuild
  65. Evo stock wheel clean up - question on powder coat
  66. EVO head identification
  67. Is 115# compression good?
  68. Need late model Evo Crank sensor screws p/n
  69. What difference in Rush baffles make?
  70. Question on assembly lube
  71. The need to breathe
  72. Looking for camshaft specs 80ci Evo
  73. FXR keeps needing spark plugs
  74. 98 RG EVO PM at 45K miles
  75. No oil presure
  76. Machining for a compression release
  77. EV27 cam/case interference
  78. Good ignition system for EVO
  79. What a bolt in cam (ev27) decked heads and port job feels like
  80. Head breather cases
  81. Help me out here please
  82. High oil pressure
  83. Wtf
  84. Lifters
  85. Mikuni jet/tuning recomendations
  86. Cam bearing?
  87. Ultima 113 surprised everyone
  88. Voes
  89. Crankcase year
  90. Cylinder location dowels (removal?)
  91. Need of better exhaust
  92. What's gonna break 1st?
  93. No spark?
  94. Need help diagnosing engine bogging ('98 evo)
  95. Andrews EV27 cam
  96. Starter question
  97. Rebuild options
  98. 98 Evo looking 4 some more power
  99. Crank and cam position sensors on 95' FLT
  100. 92 cases, 88 motor parts DONE! w/ pics
  101. Cam question and heads
  102. STD Evolution cylinder heads
  103. 127 El Bruto cam suggestion
  104. Compression
  105. 1997 flhri
  106. Help, stuttering that feels like fuel starvation
  107. S&S Super G Shorty jetting?
  108. Evo rebuild ring end gaps
  109. Crane cam hi-1 dual fire ignition questions
  110. Cam upgrade/flame thrower?
  111. Idle not really changing
  112. 99 nightrain build...lots of ?... advice/help needed
  113. New noise
  114. Engine vin question any ideas?
  115. 124ci s&S crate motor mods ?????
  116. Would like some "tuner Help" on a 131 evo ultima
  117. Lifter blocks
  118. Compression release installation
  119. Jerking motion when clutch in engaged
  120. 98 Fatboy neutral light issue
  121. Valve seat leaking?
  122. Need help 1988 parts going in to 92 cases
  123. S&S 124..will not run for 30 seconds
  124. Stock starter motor
  125. Pinion gear and cam?
  126. Cam and pinion measurement problems
  127. Case/cam cover question
  128. 1987 FXSTC engine balancing
  129. Has not run in 4 years
  130. Big bore cases with stock jugs?
  131. Oil cooler
  132. Bottom end for a 97" Evo
  133. Revolution performance 85" kit
  134. Ok let's talk base gaskets
  135. Carb jets, school me
  136. Axtell 97" feedback
  137. EVO cam bearing
  138. Top end rebuild and EV27 cam
  139. Just picked up a 94 Dyna Wide Glide. need cheap horsepower
  140. Andrews EV-3 in '93 EVO?
  141. Lifter question?
  142. S&S 103" Evo opinions?
  143. S&S head info
  144. Ring gap?
  145. KB pistons
  146. Adjustable pushrod covers
  147. 1989 EVO 1340 base gaskets
  148. Valve height and pressure?
  149. Wheels?
  150. 127 Ultima not firing front cylinder
  151. FNG with performance questions
  152. H&L 131 Questions and hopefully answers
  153. How much can I bore an Evo
  154. Formula to fig. CR
  155. 131 inch need a better cam
  156. What can be done about the finish of stock cylinders?
  157. S&S 113 hop up
  158. 1988 HD EVO.....is it worth the $?
  159. HARLEY SE 536 cams
  160. Compression release
  161. S&S EVO question
  162. Help ID roller tip rockers
  163. Inner primary
  164. More compression more power
  165. What carb jetting for rebuilt Evo
  166. Are there any 9.5 c.r. heads out there?
  167. Oil tank trouble
  168. Piston skirts
  169. Andrews cam
  170. V.o.e.s.?
  171. Bolt in camshaft - noticeable difference?
  172. Fatso pistons
  173. No baffle?
  174. Fatso head mods
  175. Air cleaners for Evo with Mikuni hsr42?
  176. Rod problems front cylinder
  177. Question on mikuni hsr42
  178. Question about flywheel
  179. VOES, doh ray mee
  180. Best cam for 89 inch stroker
  181. Rocker boxes
  182. Speedo issue
  183. Magna Charger on 107" S&S
  184. Exhaust size
  185. Anyone heard or have got a bad cam from Andrews?
  186. Wonder how this'll run?
  187. Oil breather at bottom of crank case problems
  188. End play on Evo cam, too much?
  189. Much talk about builds
  190. CRANE 1-1101LG & Bone Stock EVO 80
  191. CV or S&S Super-E?
  192. EV-46 and CV carb, good combo?
  193. S&S B2 manifold dimensions
  194. Head and or bottom breather
  195. Calculating C\R from cranking PSI
  196. Out of ideas, even Dynatek couldn't help
  197. S&S 113 w/520 cam upgrade or not.
  198. First COMPLETE REBUILD DONE!
  199. Edelbrock heads for Evo, any good?
  200. Max. compression for an EV46
  201. Top-end "blues"
  202. Piston hitting head
  203. Higher comp pistons
  204. WOT hesitation
  205. Has anyone tried one of these?
  206. Sounds great with a few revs then dies
  207. A good oil cooler
  208. Holding a manual compression release
  209. !999 EVO 1340 Timing marks?
  210. What is the best timing to run?
  211. cam is loud..
  212. Easy Float Bowl Drain Screw?
  213. Ok new problem... Oil tank gets full while running..
  214. cam question
  215. Ok well I breathed life into her today,, after total LOSS
  216. all a sudden today I had white smoke on start up!
  217. Never use anything but a harley manual
  218. Stage 3 enough?
  219. Need help first EVO build
  220. Having problem dialing carb all the way!
  221. HELP Info needed
  222. stator? How do I know what size AMPS it was
  223. possible manifold leak?
  224. Throttle body spacer?
  225. good ol ignition help please, dyna with harley
  226. cylinder bore question
  227. Another question.
  228. Think i damaged something. Need help.
  229. Cam install weirdness
  230. Atell 97ci Big Bore kit
  231. another cam/pinion question
  232. well I got the bike back together now no spark
  233. She started, 5x ran 8 min CAME APART LIKE A GRINDER
  234. heads back from big boyz!!!
  235. Intake valves
  236. clutch for 131
  237. Andrews EV-57 vs EV-79
  238. nose cone
  239. Camshaft end float....
  240. Carb thoughts??
  241. Killer cycle CV carb
  242. 110" Fatvo Fatso
  243. S&S Super Sidewinder bolt pattern?
  244. Powder coat, want to remove it to metal fast?
  245. Base Gaskets, JAMES VS COSMETIC, COPPER?
  246. Putting the FXR back together. Suggestions wanted
  247. Exhaust suggestions
  248. Minimum valve spring clearance with rocker cover?
  249. 113in suggestions
  250. Ultima engine cases