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  1. Remove oil bypassor keep with remote oil filter
  2. Circulator pump or bypass which is better
  3. Who has a Hardin Marine side mount throtel?
  4. How Much Boost is SAFE
  5. Wet or Dry Exhaust
  6. Converting 502 to a carb need help
  7. Do Borgs need a crank bushing like MercTrans?
  8. IMCO Gatlin Mufflers
  9. And another winterizing question about fuel
  10. Is it a bad idea to use a lightweight crankshaft in a offshore boat?
  11. How do these cut outs look
  12. AC Question
  13. Holley HP EFI display
  14. Possible to Identify Bulkhead/stringer Damage from Vertical Paint "Wrinkle"?
  15. Mercruiser 454/420 exhaust risers
  16. "Bolstering" swivel seats
  17. mercury 540 565 camshaft specs
  18. Another winterizing question
  19. whippled 502 header question
  20. Top-mount Starter Making a Knocking Sound
  21. 575 Sci block drains
  22. SC pistons
  23. Kendall Motor Oil re-branding
  24. Are MEFI 1 Marine and Auto Units Swappable?
  25. 525 sc blower parts
  26. Anyone Using: OBD Diag. MerCrusier Scanner Software?
  27. having trouble, new motor, boat doesnt agree with
  28. Ignition Module / Distributor Replace or Upgrade?
  29. Which block merlin III or Dart big M
  30. Voltage Alarms on 496HO
  31. Battery System
  32. Gaffrig Trim switch
  33. 2 standard rotation motors-props in 29 foot shaft boat.
  34. 575SCi rich idle issue
  35. Volvo Penta Clunks into gear.NORMAL?
  36. Oil cooler gaskets
  37. High Performance Repair in New England Area
  38. Older Outboards for Racing? v8's / GT 300's / 350's
  39. Mechanical Fuel Pump HELP - 260 Mercruiser
  40. Thru Hull Exhaust steam and gas slick
  41. Power Steering leak
  42. 36 Baja Outlaw 500 EFIs builds
  43. Gauge Needle Fade
  44. 502 Carb Runs Fine Except Won't Turn Over 3500 RPM
  45. 3D Solid Model - Top Gun
  46. Carb jetting questions
  47. What carbs would you use for a stock 420
  48. volvo penta 4.3 vortec water in oil
  49. Supercharging 6.2l Mag engines
  50. Low oil pressure after landing hard
  51. Freshen up an OL 1.65 drive or find OM 1.5 drive? Reply
  52. 2015 Mercruiser 377 MPI Tuning? Changing Rocker arms?
  53. 7.4 Mag MPI Issues out of hole/WOT??
  54. Trouble getting started...Literally.
  55. Sealant
  56. 496 troubles
  57. 525 crank sensor
  58. HP 500 Fuel Consumption
  59. anyone know how to get ahold Advantage 575?
  60. off shore style throttle control stiffness
  61. Duel cooler bellhousing, paint or no
  62. 1998 Merc 5.7 efi tbi sputter/hesitation under load
  63. Mercury wtaer pressure dump valve issue
  64. 1996 454 mag comp test results, what do you think?
  65. Exhaust Turn Downs
  66. Can you compare 2000 353 Formula vs 33 Scarab AVS both with 575 SCi. please
  67. Custom headers "Drop"
  68. 525SC CMI exhaust cooling hose question
  69. Dry exhaust slip fit sealant.
  70. 502 mag efi won't start
  71. 525 with whipple fuel pressure issue
  72. cooling system bypass
  73. 502 MPI Alarm System Questions??
  74. Motor problems
  75. promaxx 317 heads
  76. Best mechanical fuel pump for 900 plus sc engine
  77. TRS Alignment tool
  78. 425 hour 525's
  79. Mesa Balancing Racing Engines Bottom ends from Inside out
  80. 454 popping through carb help
  81. Computer Tune, Arizona Speed???
  82. Damper plate
  83. Torco RTF or Amsoil Severe Gear?
  84. MI carb guy
  85. 500EFI Rebuild/Refresh Questions
  86. prop size w/ another 200hp?
  87. upgrade xr for 750 ponies
  88. 525 efi
  89. Engine alignment issue
  90. Need advice: 496s running poorly
  91. Mercruiser wiring harness
  92. Water pressure gauge
  93. I Need an ECU for 496mag
  94. Whipple Pulleys size ??
  95. Excessive blowby and oil leaks
  96. what do you need to do or have to post pictures?
  97. Freshly built motor loses oil pressure with RPM?
  98. Weiand 177 rebuild
  99. Another oil temp thread
  100. Keith Eickert 1000 SC
  101. 525EFI low power
  102. Hatch Scoop ?
  103. Bup
  104. Pre-oiler?
  105. Has anyone converted canopy race boat
  106. Looking for everyones .02 cents....
  107. 496 Mag HO died while cruising won't start.. Help!!
  108. 350 mag's/Bravo 1's with 1.65 ratio, need help?
  109. 525 SC build questions
  110. Eddie Young
  111. Anybody ever use an LS3 engine in marine application?
  112. 496 beep and rpm fluctuation
  113. BBC cam question up grade XR288HR
  114. Engine Stands for deep oil pans
  115. Difference between pulling boat with transmission.and Stern Powr
  116. Msd 6m issue?
  117. Bravo rear transom bell housing gushings
  118. VDO Voltage gauge now reading low volts...
  119. 496 HO long block
  120. 1075 low battery
  121. silent choice and power
  122. freshening up some 502's
  123. Checkmate quality and advise
  124. 525 EFI - Banging Sound Question
  125. EFI Idle tuning and reversion
  126. Best power pump gas cam with good dock manners
  127. Compact Alternator Choices , what you runnin?
  128. freeze plugs
  129. starts, runs, stops running. repeat
  130. ITS Steering system
  131. Short Distrubutor cap / rotor life
  132. 99 Donzi Z22BR 383
  133. pcv plugged
  134. 500 EFI Thermostat Housing Gasket - Anybody know what the 4 holes are for?
  135. 496 mag dos and don'ts
  136. Engine trouble
  137. 502 Pro charger with closed cooling
  138. doing 496ho swap, need info on engine alignment
  139. Mercury Gear Lube Questions
  140. Clear push type Circuit Breaker Covers
  141. I/O vs outboard tach
  142. Damaged water pump impeller and housing on a Alpha
  143. Twin Mercury Pro Max 300 problem
  144. drilling mufflers?
  145. headers for 502's?
  146. Merc 496 blew a piston
  147. Boat speaker placement
  148. Sourcing Shifter Cable
  149. 575 sci rebuild
  150. Propping for max HP?
  151. Mercruiser seacore 5.0 v8 overheat
  152. Trailer suspension fiasco
  153. Holley 750 or 800?
  154. 496 HO Manifold Replacement
  155. Reputable mechanic/surveyor in New Jersey area
  156. 502 carb gen1V eating pistons question
  157. Carb tunning question
  158. KEM Equipment
  159. Once was a girl from nantucket used to use photobucket
  160. Pectel tuning help
  161. 525sc
  162. Transom and stringer repair questions
  163. Picking the correct parts for its intended use
  164. 525 efi no spark
  165. Mesa Balancing Racing Engines Our cylinder heads From the Inside Out
  166. Carb leans forward when mounted on intake...
  167. Supercharged Plug Reading
  168. 8.2 Mag 2011 locked up
  169. Moving Seawater Pump
  170. Mesa Balancing Racing Engines from the Inside Out
  171. American Drive Service or Max Machine Worx
  172. Broken distributor rotor, fault code 42 (454 Mag Mpi)
  173. Timing mark on 502 on balancer
  174. Help Chasing Erratic Idle Please
  175. Exhaust
  176. Merc 377 Scorpion top ends?
  177. Knocking 454/B&M 250 - Cig Bullet
  178. Blown drive or spun hub?
  179. 08' Fountain 496HO Low RPM 's
  180. Merc 496 HO High Temp after service
  181. 502 MPI Stopped running
  182. Water temp sender
  183. 500 efi oil pressure sender location
  184. Circulating pumps
  185. Dry pipes water dumps
  186. engine won't rev past 3400 RPM
  187. Need some help 496 mag running rough.
  188. Engine compression ratio relationship to compression test result?
  189. 502efi
  190. Flame arrestor for a 2006 merc 5.0
  191. 525 used 3/4 Qt. Oil in 170 Mile Spirited Run ...
  192. boat damaged in storm need advice
  193. Help identifying Merc 454
  194. Who makes these
  195. Hydraulic steering help
  196. 502 Fuel Injectors
  197. How to Remove Mercathode Electrode?
  198. Fuel Pressure Question
  199. What cam for Vortec head swapped, 260hp mercruiser?
  200. Blown Engine
  201. Broken Gimbal Ring
  202. Under Counter Ice Box
  203. Re-powering my 86 Scarab 1, Vortec questions!
  204. Hydrohoist tube repair
  205. Mercruiser 454 Magnum MPI running cool and rich
  206. Helpppp 525 whipplecharged TPS voltage
  207. Water proof wiring splices for trailer wiring
  208. 500efi intake manifold on a 502mpi
  209. Lunati Voodoo hyd roller small block build
  210. Who sell repro dash aluminum panels?
  211. Prop slip/boat speed calculator that takes into consideration single vs. dual
  212. Shocked while starting & no spark
  213. Anyone know where I can source a seal kit for K- Plane 280S ram?
  214. 525EFI fuel pressure
  215. New owner with 525SC questions
  216. Carb HP 500's lack of Fuel above 3100 rpm?
  217. Hp 500
  218. 502 NA Oil Breather Setup/Catch Can?
  219. 4.3 Mercruiser w/remote oil filter - leak?
  220. Belhousing coolers.
  221. Solving rear main seal oil leaks BBC MKIV
  222. Running Hot
  223. Borg-warner velvet drive trans. rebuild
  224. Engine cuts in and out
  225. Daytona Sensors starter issues
  226. 500 EFI Saga Part IV
  227. Donzi 18 specs 1970's
  228. Outboard hydraulic steering question
  229. Overheat telltale
  230. Rinda scan tool ebay
  231. 525 EFI ECU Upgrade
  232. 502 MPI won't rev
  233. External Steering Install Issues
  234. Crack at the bottom of the transom is it fixable?
  235. Header bolt torque spec for 525?
  236. HP 500 carb oil temp not rising
  237. Bellhousing or O ring ?
  238. 454 gen v down on power
  239. 1981 330 TRS will not idle or run below 1,250 RPM.
  240. 502 MPI Audio Warning Wiring
  241. 1972 marauder
  242. Question convert 502 efi to carb.
  243. SSM Boxes and steering rams.
  244. sensors
  245. 525efi head cc's
  246. What bravo xz drive manual is this from?
  247. Piston help
  248. Let's blow up my boat !
  249. Whipple Charger Question
  250. How to check engine oil