View Full Version : General Q & A




  1. which procharger???
  2. changing valve springs
  3. Spark Plugs
  4. Water Pump
  5. Outdrive leaking
  6. DYNO Results
  7. K&N filter system
  8. mercury dist. cap for 1998 502 efi?
  9. trailer brakes dragging
  10. 98 454Mag questions on HP upgrades
  11. Bottom paint/coatings
  12. pulleys
  13. EFI computer memory?
  14. Plumb Perma-cool Thermostat
  15. How fast will it go?
  16. imco shorty
  17. Hydraulic Steering Question
  18. Re rigging a 30' Oceanpacer...
  19. out drive lube leaking
  20. 500hp valve adjustmens
  21. Houston Propeller RULES!!!!!!!!!
  22. How do I post pics of my boat on OSO
  23. No Spark
  24. acceleration of a 2-stroke engine
  25. Another Prop Question
  26. Stereo problem
  27. Max Hp for Alpha & Bravo
  28. speed master #3
  29. Help quick...No drain pug in lower unit!!!!!!
  30. Keel Roller
  31. cam selection
  32. Adjusting Float Level
  33. HP500EFI's at 200 hours: anything special need to be done?
  34. Question for Air Cond. techs
  35. Holley 850?
  36. FireRing Gasket? Merc Manifolds
  37. What sealant to use? K-Plane to transom?
  38. adding shore power
  39. hp500 valve springs
  40. Mud ingestion ? . . . lo-water pickup
  41. 454 Mag Intake Manifold
  42. Whipple Stage 2 Kits
  43. Shorepower question
  44. mercruiser 525 sc install
  45. Galvanized Steel
  46. Merlin heads on hp500efi???
  47. Lexan cover sheets
  48. 2001 454 mag
  49. Paging Scott72
  50. 500efi's How many hours can they go for?
  51. TRS steering problem
  52. any electrical whizzes out there?
  53. Stainless/Braided Fuel Hose & Fuel Pressure Guage
  54. drive showers, thru hull exhaust, oil
  55. Thru hull tip sealant
  56. Crossovers
  57. bravo hinge pin
  58. Running LEAN
  59. Drive Question..
  60. Bravo 3 corrosion problems-long but worth it-
  61. HP 500 Plugs
  62. Gear Ratio / Prop Pitch Question
  63. Need help-can't get over 4400 rpm after upgrades
  64. bravo 1 gear set change ?
  65. nortech 38
  66. K-planes not working
  67. Help Quick!! Gapping plugs and can't find my gapping tool!!!
  68. Adding cup to a prop...
  69. Changing fluid in Bravo I
  70. 32 Fever - Captains Call malfunctioning
  71. Trim-in-Handle switch problem?
  72. Can I add the standard water intake holes to my LW pickup drive??
  73. Can an intake manifold be "decked"
  74. Water pump bypass
  75. Where's my A/C?
  76. props with a 1:36 gear Bravo 1
  77. Trim Gauge
  78. smell of synthetic oil
  79. Prop pitch, speedometer
  80. Cavitation plate for bravo.
  81. Lifter noise and oil weight/qty??
  82. Gimbal Bearing Replacement
  83. Rotating engine by prop??
  84. No Fuel Pressure
  85. Trim, blower and bilge pump problem, any ideas?
  86. Drive couplers don't need no grease!!
  87. labbed prop vs exhaust system ?
  88. help! cracked heads?
  89. Power Steering
  90. alternator noise[bearing]
  91. Mich noise level ?
  92. TRS shimming questions
  93. Intake Centerline Position
  94. Changing to new style exhaust shutter's... WTF?
  95. vortec superchrger ?
  96. New member of the broken drive club..Need Advice Quick!
  97. EGT and Fuel Return
  98. Adjusting valves with engine running?
  99. Zincs for Kaama
  100. Engine flush valves
  101. JE Pistons compare to SRP (75F)Pistons
  102. Oil Pressure Switch Please help
  103. Checking Injector
  104. Effects of not enough timing advance @ idle
  105. 454/502 Mag MPI (Gen VI) Replacement Camshaft
  106. Correct way to time a TB 5 for max performance?
  107. AN fittings angle
  108. mercruiser 525 sc
  109. Revolution 4 vs Mirage plus
  110. Mechanical Fuel Pumps
  111. How to refinish Kiekhaefer controls?
  112. Diesel in Gas
  113. Imco Valve covers
  114. Octane for 525 sc's
  115. Embarrasing....Need SBC Firing Order
  116. 502 Identification
  117. What kind of engines do I have?
  118. Corsa Muffler removal with 5200, Sucess
  119. Question for MBAM, or anyone who knows...
  120. I'm relocating my oil filter/question?
  121. SSM III-IIIA
  122. Trouble starting 496 Mag
  123. Anybody thrown a rod? What to expect?
  124. Autometer needle
  125. 502 carbed spark plugs
  126. what spark plugs on 454mpi 2000 385hp?
  127. Pyrometer's
  128. 35 Fountain Help
  129. Yamaha drive conversion. to Merc ?
  130. Weber Carbs
  131. Fiberglass Nose Cones TRS?
  132. Kaama Surface Drives Slow to Plane
  133. Exhaust Risers
  134. 502 File Fit Rings
  135. Dumb question about engine building?
  136. Battery charger / maintaining
  137. Gas Tank Vent Question...
  138. Electric Fuel Pump
  139. K&N Oil Filter Application?
  140. zinc based primers
  141. Low H2O after pump change
  142. Fuel Pressure&Oil temp Sensor
  143. Gelcoat spray gun
  144. Carb to EFI conversion questions?
  145. Diaphram Bilge Pumps died again
  146. Fiberglass cutting
  147. Increase pitch or add a blade?
  148. What HP will Merc stock exhaust support on a SBC?(Paging Dennis Moore)
  149. Merc 600sc?????
  150. best place for trailer brake parts
  151. 500efi,where To Tap In For Water?
  152. Hot spots in headers
  153. Outdrive Oil
  154. Crossover vs. Circulating Water Pump
  155. Twin Outboard hyd steering?
  156. HP500 Mystery
  157. Vibration issue at 3000+ RPM's
  158. Bravo XR "minor" particles on drain plug
  159. Oil Pump Question
  160. 502 merc
  161. royal purple
  162. Best Hull support location from boat lift bunks??
  163. trim ring gaskets
  164. engine pulleys
  165. big ci bottom end
  166. TRS to SSM3???
  167. Turning motor by hand-trouble signs?
  168. rust in exhaust ports
  169. X Dimension
  170. Oil - Synthetic vs Petrolium w/HP500's?
  171. Stern lifting vs Bow lifting
  172. Hyd. Steering A Special Thanks!
  173. Drive Corrosion
  174. Gimbal Ring Repair With Stainless Swivel Shafts
  175. No Water temp???
  176. Stainless Hose Covers
  177. revolution marine exhaust
  178. Lab Finishing props ?
  179. Boat wiring color codes (edited) PRINT THIS OUT!
  180. How much extra HP to spin and IMCO drive?
  181. gel cote coloring
  182. Houstonprop
  183. Powdercoating?
  184. $$ savings on merc. anodes!
  185. Who are the Best Supercharged Engine Builders?
  186. exhaust tip silencers
  187. Hydraulic Steering Remote resevoir
  188. Question about Mercurys 900sc
  189. How to keep Aluminum from Coroding
  190. OSO Discount
  191. More stereo questions
  192. Paint for gauge rims
  193. Opening-up exhaust holes in transom
  194. Gen. VI Cam??
  195. Torque Spec For Lightning Headers?
  196. Yamaha stern drives?????????
  197. Crank trigger pickups
  198. Getting the boat off trailer
  199. Stereo Amp question
  200. blower shop 250
  201. 1987 260 mercruiser info needed
  202. Cd Players In Boats
  203. Dyno Abbreviations
  204. Saltwater Questions
  205. Thermostatic oil filter adapter
  206. Speedmaster #3 to #6 drives conversion
  207. Never winterized!!! Now what should I do
  208. upgrading fuel lines?
  209. helm parts question???
  210. Bleeding power steering Dos and donts
  211. DUI vs MSD Ignition
  212. aftermarket manifolds
  213. 540 bulldog
  214. Leaky Water Pump
  215. Alpha steering, what wears?
  216. HP500 cam choice
  217. CMI Problems
  218. Help! Pilot bearing - Do I need it?
  219. Cam ?
  220. Blower ?????
  221. max hp to torque range of stock 502efi
  222. aluminum vs stock heads and intake?
  223. Prop ?????
  224. Oil Filter Orientation ?
  225. Leaking drive
  226. What type of water pickup to use?
  227. Question for Quadrajet gurus
  228. paging mr whipple
  229. Water Temp Gauge Accuracy?
  230. efi procharger/vs/carb blowershop
  231. Plug wires, yes I did search before posting
  232. HP 500 Carb Upgrade to 650HP
  233. 4 Blade prop testing
  234. Water Pressure sender location
  235. Aeroquip Socketless Hose
  236. 496 Superchargers?
  237. OT 99 Silverado having trouble firing when cold
  238. imco extension box?
  239. Titanium Retainers
  240. Loctite Threadlocker Removal?
  241. Hour Meter connection
  242. Stainless risers ?
  243. Oil Pump HELP!!
  244. Paging Dennis Moore.......
  245. Engine Height
  246. Anyone running EMI switchable mufflers?
  247. Bravo Drive Rotation
  248. Ehaust tip flappers
  249. Loud exhaust tips
  250. Dristrubitors...
  251. Naca vents?
  252. What is the Difference between MCA and CCA on Batteries?
  253. Tune up specs for 454 Mag
  254. Removing entire drive & ginble?
  255. Help-shift cable installation
  256. MSD box and buzzer???
  257. steering
  258. Drill out Low Water B1 = DWP?
  259. Need help finding Mercruiser drive tools
  260. Duel carbs on N/A
  261. Rocker Arm Stud Sealer/Thread-Locker/Aviation sealant or nothing
  262. Baja Help!!
  263. Oil coolers
  264. Gaffrig tach question
  265. Electrical Problem - Ignition???
  266. Help what year 502 MAG??
  267. k-plane part# question
  268. Edelbrock heads
  269. Who can Identify this power amp?
  270. make a 502 a 500hp
  271. What guages should EVERY boat have???
  272. I Blew a motor...
  273. Drive Oil Change Pump
  274. exhaust ?
  275. Won't shift out of neutral!!!
  276. 502MPI problems, FYI
  277. bravo exhaust cover plate
  278. Temp Gauge
  279. XE256 camshaft
  280. Hydromotive intimidator Quad 4 vs. mirage plus
  281. What direction to go?????
  282. HELP - 500EFI cuts out
  283. 496-Motor 375hp or 425hp?
  284. converting to transom mount water pickup ??? Any true advantages????
  285. Advice needed on salt water use
  286. Hydraulic roller lifters, to pump up or not?
  287. A question for Dustin Whipple
  288. Low oil pressure??
  289. Plug filter bypass?
  290. First run?
  291. how far can I bore my 502
  292. 1st Run Of The Year, 502 Problems
  293. De- winterize boat?
  294. Merc 1050 gone?
  295. Checking Engine Hours
  296. "990" & "188" BBC Heads
  297. risers stainless aluminum ?
  298. PCV valvequestion
  299. 502 Mag Hours
  300. HP 500s - How many hours before valve job is required?
  301. Alpha I Propshaft Replacement
  302. Another good parts dealer
  303. Chiller for NA motors???
  304. Need shop to make mooring cover
  305. Torque spec for intake on 454 MPI
  306. harmonic balancer
  307. Type of exhaust you use on dyno
  308. Paging Dennis moore
  309. Stiff power steeringócontrol valve?
  310. impact of backpressure with silent choice
  311. Popping, Backfiring, Catching on Fire, Need Helppp
  312. gauge opinion
  313. Merc 496 Exhaust
  314. Prop Shaft Cover Help??
  315. Trim limit spacers for XR drives?
  316. OT: Alarm and remote start wiring guides!
  317. Bravo One gear ratio ?
  318. Which Spark Plugs work better?
  319. 500EFI whipple engine stumble
  320. Custom Dash Pannels
  321. cutting bravo 1 lower
  322. No Mar Screwdriver
  323. Oil Pump for Gen 6 502
  324. Maximum Hydraulic Pressures
  325. Moisture issue
  326. TRS HYdro CYLINDERS ?
  327. teflon
  328. Engine compartment cover lifter
  329. 3 Blade vs. 4 Blade
  330. Bravo Outdrive Alloy
  331. 502 Electrical Problem
  332. dirty transom?
  333. Replacement camshaft for 502 EFI
  334. twin outboard v-bottom setup
  335. kAAMA Steering
  336. Oil temp senders on Blue Motors
  337. What temperature is safe?
  338. Transmission Fluid Leak, Can Not Find Cause?? Long
  339. Hydraulic Steering Resevoir Bottle
  340. Leaking intake valve
  341. Exhaust plumbing
  342. How To Remove Corsa Silencers
  343. Msd 6m-2
  344. 502-Mag-Mpi Plugs
  345. Circulating pump question
  346. reversion aftermarket exhaust ?
  347. 28 Warlock SXT Cat project
  348. '88 Donzi Windshield???
  349. Procharger M-1 or M-3?
  350. Which engine would you pick?
  351. Propeller Repair
  352. Building a new motor
  353. What model Procharger for small blocks?
  354. ? about merlin heads
  355. Where the heck is the fuel regulator
  356. Powdercoat Removal
  357. Removing a Bravo 1 outdrive for paint
  358. 7.4MPI pro charger questions
  359. prop pitch
  360. What is a 525
  361. Still looking 800sc belt tensioner and
  362. Sea Strainers...Where
  363. Supercharger Shootout
  364. Another SC project getting close....
  365. B-max lower unit nosecones?
  366. blowers, whipple, etc.
  367. Question - intercoolers
  368. Deep Cycle Batteries
  369. What prop do I use?
  370. Spring maintence..pun intended
  371. Foot Rest retrofit
  372. Merc 4 blade props
  373. 800sc Valve Springs
  374. Lost thread Gill with Silent Choice
  375. Appling Decals
  376. Exhaust tips and the Water Line
  377. Cool TCM project on a 38'SC in Powerboat
  378. Desktop dyno
  379. Cutting holes in fiberglass
  380. Polishing SS
  381. Supercharging smallblocks
  382. HELP - Trim Pump Wiring
  383. Nosecones On Xr Drives
  384. cutting carbon fiber panels?
  385. Can HP500 Dart Intake be run with Lg Oval Heads?
  386. BlackHawks vs. Bravos
  387. 502 mpi fuel pressure( how to check)
  388. Need Help
  389. Does propslip make you go faster?
  390. Free ITS from Merc...
  391. Hydro- trim pump
  392. Are we missing some threads or what?
  393. Where to put each battery? L or R or
  394. Master Lube Oil Pre-lube
  395. gil dry exhaust ?
  396. XR or XZ
  397. Changing from Alpha to Bravo?
  398. Corsa Quick & Quiet Plus?
  399. Merc Silent Choice w Gill
  400. Tomcat! Hows it going?
  401. Gimbals & bellows
  402. A Marine Dealer with INTEGRITY !
  403. Paint ????
  404. 575 SCi blower pulley change ??
  405. I got a question!
  406. compression/ leakdown test w/ engine torn appart?
  407. CMIs on EFI motors
  408. Need 50 more HP out of my 2 496/HO's
  409. Corsa exhaust question
  410. Prop selection
  411. 177 or 250 and fuel supply
  412. skater 28 W/ twin 2.5 Prop iNfo.
  413. Anyone familiar with Merc 454/340hp?
  414. Help with trs drives, and bw velvet drvies
  415. Longevity of aluminum heads-raw water.
  416. Imco vs Stainless marine
  417. Sidewinder Outdrive Stabilizer???
  418. Cool web site
  419. 502 Timing
  420. Add on external steering?
  421. Another Poll: Which Synthetic Drive Oil Do You Use?
  422. Distributor Cap & Rotor Gen VI 502EFI
  423. engine paint
  424. Best prop for Baja 29 Outlaw
  425. speedo?
  426. DesktopDyno users find my mistake
  427. Oil pan drain kit
  428. Trailer Galvanizing
  429. hydraulic steering
  430. Warning alarm and Hour meter not working
  431. HP3 8100 motor ??
  432. Changing Heads?
  433. merc. its system question
  434. oil temp gauge?
  435. Engine Pre-lubers?????
  436. Predator 4 blade props
  437. MPI compatability
  438. 6.2 Merc modifications
  439. any sbc guru's out there?
  440. Merc 525SC belt gear ratio
  441. Fuel Tank Selector switches
  442. Crossover Vs water pump
  443. D.U.I. dustcaps (H.E.I.)
  444. The RIGHT WAY to do this!!
  445. cheapest way to increase hp on 454 mag
  446. kiekhaefer shifter lever effort getting stiff
  447. Need help with ignition 12V intermittent cutout
  448. Steering wheel hub ?
  449. Ideal Water Pressure??
  450. Use of swicthes on multiple tanks???
  451. Lobe CL vs Distance from exh valve
  452. bravo drives
  453. Need Good Used Parts???
  454. advice needed
  455. Someone desk top dyno me
  456. Aluminum fuel tank coating
  457. Valve seat question re: unleaded gas
  458. HP500EFI with premature detonation
  459. General speed increase with 5 lbs of boost
  460. desk top dyno info help
  461. Kiekhaefer Adjustment ?????'s
  462. bottom repairs
  463. transom replacement
  464. buy XR's or upgrade B1's?
  465. 502 mpi adjustable fuel pressure regulator
  466. Drive coupler question
  467. ignition timing??
  468. Cam choices 731 VS 741 or others?
  469. WANTED #2 lower gears
  470. 350 MAG MPI Repeated Ignition Failures
  471. To Advance or Lock?
  472. KAAMA...efi
  473. Q about new hydraulic flat tappet lifters?
  474. Fast efi
  475. Prop Slip % With a Blackhawk?
  476. Recomendations on Oil Coler
  477. Cast iron aftermarket heads for hp500efi????
  478. Full Floating Pistons Pins or not? Comments?
  479. Fuel Pump Question
  480. Fixing screw holes in transom.
  481. Distributor gear question for new motor.
  482. Slosh tank, This is crazy
  483. Kiekhaefer Install?
  484. Intake and carb for 454/310hp ?
  485. Trim Tab Questions?
  486. Can't Find Leak in PS
  487. Drive Alignment???
  488. Out Drive History
  489. Are these worth anything??
  490. Texas Choppers
  491. 502 mag mpi missing under load???
  492. 2001 502 EFI starting question
  493. What Cam, 454 w/wieand 177
  494. Stock Merc steering-What Breaks?
  495. Selecting props for kaama 357
  496. Plug Wires
  497. Merc Y-pipe durability
  498. Give me the poop on the 420hp merc.
  499. 509 or 540
  500. Tighter heads on a Promax 300?