View Full Version : General Q & A




  1. Mr. Gadgets Built me some Great Drives
  2. Nose Cone
  3. How To Bypass Omc Shift Assist???????
  4. UnderSide Engine Hatch
  5. How to change XR lower gears?
  6. Correct adhesive sealant for thru hull exhaust tip installation.
  7. GGB and Lofty - 2 of a kind
  8. Brad Penn oils...
  9. GOODT what is the deal?
  10. Anyone running this 509" combo?
  11. Lost 10 mph.Help
  12. 525's oil in coolant ??
  13. MEGASQUIRT injection...anybody used one??
  14. Oil Restricters ?
  15. Anyone got a diagram from mercruiser
  16. dead coils bbc
  17. Gen V Question
  18. Bravo 1 rebuild???
  19. Adjusting lifters 1/2 3/4 maybe more?
  20. replacement for Clarion marine stereo (big hole in dash)? Hopefully with XM?
  21. Electrical Rigging Question
  22. Imco silent choice replacement options
  23. Nooob, have a ??? alpha drive
  24. 496HO Scan Tool Where to Buy?
  25. porpusing problem
  26. HP 500 stock spark plug make and part #?
  27. Can you change a flywheel...
  28. Cam Specs on Merc 900's
  29. Too Lean?
  30. Compression on a 350 Magnum??? Anyone know?
  31. 500 Efi Whipple 2.3 Head ?
  32. Just what is Avaiation Grade oil?
  33. Say Thanks a simple thing to do for our Troops
  34. Can You See The Difference?
  35. Part Numbers
  36. Vortec 100 cc heads
  37. 525 cmi headers
  38. 502 efi
  39. Need stock torque specs for 502
  40. will hp500 valve cover fit on merlin heads?
  41. who wants to lend me a 496ho scan tool
  42. Oil change on fresh rebuild?
  43. IMCO Shorty and Maximus Question
  44. TRS Bellhouses?????
  45. mercruiser water pressure relief valve question
  46. Bow lifter VS Stern Lifter...Props
  47. Which prop should I use??
  48. Need Help
  49. can some one please help me identify this boat?
  50. Gaffrig Shifter Setup
  51. water pressure issue
  52. Winterize motors with Silent Choice
  53. drive trim /pump dosen't work correct
  54. Isky Springs & Manly Valves - Price?
  55. Drive Oil Leaking?
  56. Hey engine guys
  57. water in valve covers..but not on dipstick
  58. speedo not working?
  59. compression for blower motor
  60. Sutphen wiring diagram??
  61. U-joint damage?
  62. Need help troubleshooting
  63. Hatch Actuator / Trim Pump
  64. How do 2 lifters disappear?
  65. Reconditioned Marine Engines
  66. Fuel Pump Questions
  67. after 3 months finally boating again!
  68. leaking water into bilge
  69. Cleaner for salt water spots on glass.
  70. 525SC fuel pump.
  71. Stellings Boxes Peeling/Pitting
  72. GLM Exhaust install / Oil filter mount ??
  73. 635 h.p. out of a 502 ?
  74. 2006 496HO Oil Drain Plug
  75. Max Rpm
  76. 500 efi Oil question
  77. CARPET.....whats good out there
  78. Mako center console / egg beater question
  79. Water in motor
  80. Pulley on 496 Seawater Pump
  81. Mobil 15w-50 question
  82. msd or thunderbolt 4
  83. 7.4 bravo 3 overheat
  84. Grease Me
  85. House/starting Battery
  86. What hp is this 7.4L
  87. Bravo3 30" props vs. Bravo3 27" XR props
  88. Dart vs AFR heads on HP 500
  89. Who has the best 4" Exhaust Tips?
  90. Evinrude Guru's/ Dealers wiring harnesses
  91. Anyone have any experience with Derebery or ASM
  92. Small block build
  93. can this be hot tanked?
  94. Merctrans II Parts
  95. Proper 500HP Carb
  96. Which MSD distributor, locked or not?
  97. Smart Tech vs Bravo
  98. Hp 6 Oil Filter 1st Or 2nd
  99. Newbie Question- Can I use a 90 Bravo one drive to replace a 96?
  100. looking at a blower
  101. Changing Impellars, popping off old impellar key?
  102. engine change
  103. thinking of trading up to a 38zx
  104. MSD 6M-2 help
  105. Operating Temp 225 PRO MAX
  106. 496 repower HELP
  107. Merc 5.0 LX Plug questions
  108. Break-In Procedure on New Engines
  109. Problem With 454 Mags
  110. High Speed Water Pickups
  111. T-496HO's Fuel/Electrical Issue????
  112. Voltage fluctuations
  113. Speedometer not working on Bravo 1
  114. OLD School big Acell SUPER Coil??
  115. supercharging 500 hp's
  116. Shell Rotella synthetic oil?
  117. 5.7 2 barrel to 4
  118. '89 420 Rebuild Time - Advice Needed
  119. 496HO alarm
  120. Just Turned 300 hrs On HP500 Carb Motors
  121. condensation watertemp ?
  122. HP 525 SC blown head
  123. 500HP EFI Question
  124. ECM part number
  125. Tach fluctuates over 4500 rpm
  126. B&M/Holley 420 pulleys
  127. bravo one exhaust bellows
  128. IMCO Thumper vs Revolution Marine vs Kodiak vs ???
  129. Crossover install
  130. 3.5 Whipple on 496HO
  131. Got black paint overspray on white gel deck
  132. Quick alpha one install question
  133. need oil coolers by tomorrow - who do you call?
  134. Clyinder temps on 502 mpi
  135. bleeding IMCO steering.
  136. Bad V10 Twin Turbos By Mesa Racing
  137. 29' Fountain
  138. Leaky Trim Pumps
  139. which advance reading on RINDA scan tool ???
  140. Tachs not readng correctly.
  141. vaccu flush/winterize
  142. 6.2 out 502 or 496 in
  143. Bravo 1, How Mutch HP??
  144. Compression gone in one cylinder
  145. Muffler Extensions
  146. Water in oil...exaust leak?
  147. T-Bolt IV Timing
  148. What is this thing called?
  149. GM dual connector coil
  150. engine just shut off
  151. From 454 to 540...
  152. Searching flywheel #
  153. Oil temp guage not working?
  154. How much Oil in Bilge is Acceptable?
  155. Engine Running Hotter Then Other Engine
  156. Help!!! boat falls on its face @ 3000rpm
  157. #6 HP consumption
  158. Whipple frustrated......I think I tried everything
  159. 1991 454 non mag top end mods?
  160. 50 amp breaker at motor
  161. Sea Trial Checklist?
  162. Is a sea strainer a must ?
  163. Canopy windscreen
  164. Dirty fuel filter?
  165. Hp500 heads
  166. engine removal hoist- lift recommendation
  167. electrical problem
  168. Steamy exhaust
  169. real or fake 496 HO ??
  170. Marine engine questions / discussion - camshaft intake vs exhaust spread
  171. Big block starter options
  172. 496 Cam Question???
  173. Tach Problem/Question
  174. Rev 4 vs Hydromotive vs maximus
  175. Hardin Marine water pump on a Whipple Help
  176. 454 Specs needed please!
  177. Never seen this before
  178. Headers Vs. HP Manifolds
  179. Roller Lifters for a 496HO
  180. Bravo One Lower Unit removal
  181. Anyone familiar with this engine builder
  182. Mercruiser Ignition / Power Systems
  183. K-Plane Cylinder Re-seal
  184. mpi fuel rail mods?
  185. maximum safe trim on bravo
  186. 525 EFI help
  187. Bravo 3 to Bravo 1 swap. How Easy?
  188. 250 Rotors
  189. 496 Heat Exchanger End Caps
  190. Eliminator 380 xp icc
  191. 450 Hp 502
  192. Thundrebolt IV ignition module
  193. info on Volvo 600 dpx package
  194. What is this valve for???
  195. WOT water temps
  196. Crazy thermostat housing dilemma
  197. converting to SBC
  198. MSD ready-to-run Distributor pn 8360
  199. electric fuel pump questions
  200. Thermostat or not?
  201. bellhousing bushings
  202. 1075 Total Hour Report
  203. 496 HO header gasket ?
  204. 500 Efi What Is Too Hot
  205. How often do you go WOT?
  206. center window (walk through) for Baja38spec
  207. Who carries Bravo 1 XR Upper Gear Set 1.5 Ratio?
  208. Mercury Racing Dash Indicators?
  209. 502 425hp cam suggestion
  210. Trim Cylinder Question
  211. Info On 300 Promax
  212. 454 carb to 496 ?'s
  213. 502 timing with crane cam
  214. High Elevation Performance
  215. Relief Valve
  216. X dimention on trips
  217. Spacer results 1 inch
  218. Bravo 1 drive Showers
  219. HELP: Low pressure at lifters while priming...
  220. Bee Hive Valve Springs
  221. Need some drive "help"
  222. distributor shaft size
  223. code reader
  224. stand off box?
  225. How much torque?
  226. 2000 HP 500 Carb
  227. Whipplecharger;there #?
  228. Rocker arm replacement
  229. 525sc intercooled
  230. Wiring harness help
  231. back flushing closed cooling on 496HO ???
  232. Whats a 502, 415 HP worth?
  233. Fouled plugs at idle speeds
  234. Ignition problem...I think
  235. BY-Pass Valve for Procharger
  236. Livorsi controls...diode needed?
  237. gear ratios
  238. baja outlaw 25 vinyl
  239. Help 1985 Scarab 454 engine trouble
  240. loud ping from engine.
  241. Ran aground this weekend........
  242. Timing Chain Jumped?
  243. Fram - Oil Pressure
  244. Help.brokern lifters
  245. BMax vs. Max Machine
  246. Twin I/O Power Steering units
  247. "Red" Bravo Trailering Clips
  248. Outdrive Bravo 3
  249. Outdrive
  250. HP500EFI alternator, alternatives.
  251. cmi etop light vs big sport tubes
  252. 525sc rebuild questions
  253. I understand but not new style Bravo1X
  254. Holley jetting questions
  255. Power Trim Switch
  256. 502s baja342help
  257. HP500 EFI Oil Temp Question
  258. Drive cooling idea?
  259. Drives out of sync
  260. procharger idle problem
  261. Big Block Circulating Water Pump
  262. New build
  263. What spark plug for a 355 inch in my wellcraft
  264. TRS load ring
  265. Bravo blues?
  266. Setting Timing Delco Voyager
  267. Building 509 need advice on best comb
  268. Piston Valve Relief Cutting Tool Wanted
  269. Piston Valve Relief Cutting Tool
  270. Looking for a thermo switch??
  271. starter problems-need help pls
  272. Crack in trs lower
  273. Av Gas?
  274. xr drive install
  275. Aeromotive Fuel Regulator Vaccuum Line Nipple
  276. My RPM gauge barely works - diagnosis?
  277. Stainless Marine & Cooling System Mods with Nylon "T" Fittings
  278. FAST O2 portable meter
  279. What fuel grade for 454mags?
  280. u joint life.
  281. dual water pickups xr bravo
  282. product Recipe directly from 3M for gelcoat maintenance
  283. carbed hp500's run rich
  284. Oil pressure is 80 -100 psi, Is this OK
  285. Quartering Seas and Tabs.........
  286. Engine Paint
  287. Has anyone here tried Arneson Rocker Plates?
  288. uneven boat
  289. Dry Exhaust and Cam Choice
  290. OSO GURU's - Please Help - Questions on Lightening Headers
  291. blowing up trim cylinders
  292. FAST(tm) O2 meter
  293. bad valve springs
  294. oil lines and oil coolers
  295. Procharger Boost Pressure differential
  296. whats the best affordable 28-30 twin engine boat
  297. HP500EFI still runs too hot
  298. velocity chine walk.
  299. Drive Gear Question
  300. Looking For Turbo Chev V-8 Motor
  301. So what makes a Carb....
  302. (another) CARB question: 650 Holley
  303. Work Benches
  304. Bravo Drive Oil Question
  305. Question about matching trailer to boat
  306. Need help?
  307. any thoughts on this?
  308. 1996 baja 454 Mag losing power
  309. Calling GoodT
  310. Red Light In Center Of Oil Pressure Guage Flicks On
  311. Survey in Michigan
  312. BBC Water pressure target?
  313. Borg Warner temp?
  314. pounds of compression
  315. No oil pressure @ idle
  316. carb jetting on a hp 500
  317. Boat insurance
  318. 1997 454 Merc. MAG MPI - Idle/Surging issue
  319. High flow non-bypass oil filter
  320. Bravo One w/ Corsa diverters
  321. #6 drives, what other options are there?
  322. procharged 502 cam suggestions?
  323. Fuel pick up problems
  324. Labb Prop
  325. Adding a procharger to a 300hour hp500efi ?
  326. It's Interesting and Fun!
  327. Gaffrig/Livorsi Electronic Compass
  328. here a good one I've never heard of before
  329. Help - Backfiring Issue on Blown 454
  330. Merc Ing. Distrubitors
  331. Power trim
  332. mcm 350 mag misses at WOT
  333. no up trim just down
  334. Help please - HP500EFI running too hot
  335. bravo1 question
  336. 1150 cfm Dominator on 250 blower
  337. B-Max drive
  338. bravo spacers and max worx bravo drives
  339. 502 425HP tuning with crane cam ignition
  340. Gasket Sealer on Felpro Marine headn gaskets
  341. How do you remove painted graphics???
  342. Pre alpha outleg
  343. baja 342 mag 502s help
  344. Could not find the thread..
  345. Warning alarm comes on,no problems
  346. Anatomy of replacing a shift cable...
  347. Velvet Drive help? + Pictures of a 10-18
  348. Moters?? 502 454 500??
  349. prochager problems continued 7.4 mpi
  350. How Accurate is your GPS Speedo?
  351. spark plugs?
  352. Cobra Outdrive Trashed, What Can I Swap It Out With?
  353. TRS vs Bravo
  354. Help with alpha gimble bearing!
  355. Boat Surveyor (Houston, Texas)
  356. Code 33, Still on
  357. Water in the cylinders!!! Help.
  358. mercury weber carbs 350 mag
  359. Gates Belts
  360. Long Lake Naples ME?????
  361. 454 To A 502?
  362. black mold in toilet
  363. Alternators
  364. Bravo 2X vs 3X efficiency
  365. trim tab question
  366. racoon2us
  367. Whippled Engine And Salt Water Use
  368. Exhaust install and poor performance
  369. Hard lesson's learned
  370. Will stock 502 Mag injectors work with a whipple at 4lbs?
  371. Chine Beams
  372. Need Advice
  373. water leakage problem
  374. Perko Pro-Flush
  375. Who offers a crossover for an hp500efi ?
  376. Alternator Draining Batteries?
  377. Power loss caused by heat
  378. dry exhaust
  379. Mercruiser Water Pump
  380. 525 Oil Temp Problems, STILL!
  381. new inner cooler now steaming
  382. Headers Dyno Spreadsheet
  383. Excessive blowby
  384. Edelbrock Signature Valve covers donít fit
  385. Holding tank install ??
  386. 496 HO Exaust manifolds needed? Bolt on mod for Gen IV?
  387. 1988 Formula 350/320HP EFI Conversion
  388. Bravo interchage
  389. Poping sound when going slow, Water/Fuel Filter??
  390. Bravo nightmares
  391. TRS to Bravo
  392. Oil Pressure Problems
  393. velvet drive fluid level ?
  394. Why am I running lean all of a sudden??
  395. RPM 454 330hp
  396. Why does my bow bounce when my trim is up high
  397. hawk 40 prop?
  398. no rpm's
  399. Merc Water/Fuel Pump Housing
  400. Oil/Power Steering Cooler needed
  401. MSD 8366 vs 8560?
  402. Need sea strainers....
  403. Drive problems Trs or Outdrive?
  404. Cam Advise for BBC, any help would be great
  405. Mpi 454 Backfiring/skipping
  406. Battery Charger in Late 80's Cig
  407. how do you flush 496 ho w/bravo
  408. 500 EFI to 600+ HP (how?)
  409. trim hose
  410. Can I convert my toilet??
  411. Box Anchor how to..........
  412. Twin TURBO Help Needed
  413. Are Arneson drives...
  414. Shorepower question ... Please
  415. how big of a heat exchanger for o BBC
  416. pumping out holding tank
  417. power trim
  418. offshore prop hub
  419. procharger problems
  420. 525 EFI stalling, and a Rinda Question
  421. 454 difference
  422. alot more power but no more speed
  423. water in trans oil?
  424. Help!! Oil shooting out of the dipstick!
  425. Stainless marine plumbing
  426. what can i expect by upgrading to HO from MAG?
  427. Alpha SS drive
  428. plug gap procharged 7.4mpi
  429. Water in on Sticks Again! Ideas?
  430. More Rtech dyno results
  431. 1982 38 scarab kamma
  432. boat wax
  433. The eraser things for cleaning interior
  434. Pro Top Line Heads
  435. HP500s Carb build-up
  436. where to install a boost preasure gauge
  437. Stroked 540cid - 650HP Eating Oil???? HELP!!
  438. Bravo One X grease fittings
  439. 500 H.p Intake Manifold
  440. Mercruiser ignition acting funny....
  441. Kendall Oil in Merc 525
  442. Mercruiser Exhaust
  443. hydraulic lifter
  444. Bravo 1 supercede
  445. speed w/heavier outdrive oil
  446. Basic Engine Stuff
  447. Hey! Engine Guys! Question For You!
  448. Power Steering slop
  449. 540 C.I. project
  450. New motor won't line up
  451. water found in oil, any hope for engine?
  452. Coned Alpha lower?
  453. Engine Help...b4 I sink it on purpose
  454. Whipple intercooler two stage pump or off shore pick up??
  455. How much torque can a Bravo drive handle?
  456. My Exhaust project, help!
  457. Adjusting throttles???
  458. 454 Motor Trouble
  459. 7.4L aluminum intake replacement?
  460. Whipple SC blower surge on 502 mpi
  461. How to clear codes
  462. What is the gray wire with the....
  463. Help needed with drive choice
  464. Procharger install problems on 7.4 MPI 310HP
  465. busted inner cooler insert
  466. Prop-Lock "Keys" . . . .
  467. replacing Bravo fill bottles
  468. Spark plug torque?
  469. Trying to find correct coupler p/n
  470. 1990 baja 210ess with 7.4L specs
  471. What would I have if I took blower off 575sci
  472. 575 sci running rich
  473. Which OB injection oil to use?
  474. Small Block Chevy Camshaft Question
  475. converting from Tbi ti Mpfi
  476. reliabilty at .060" over, reversion
  477. Has anyone blown a 525 EFI Mercury piston?
  478. Oil pressure switch
  479. More TRS questions!
  480. 383 Max Compression Ratio ???
  481. Full throttle stumble
  482. 650 Cobra questions
  483. Looking for a sbc 434 race motor.
  484. Stainless Ubolt Backing Plates ....
  485. Voltage Drop (Battery Drain) ?
  486. Rebuild Morse controls?
  487. Mercruiser factory manuals?
  488. Shotgun silencers lost 200 RPM and 3MPH
  489. bravo 1 slipping while planning off
  490. Ever had a prop thrust washer break?
  491. engine alarm question for HP500 EFI experts
  492. Prop Slippage
  493. Water pump inlet/outlet
  494. Good High Speed Goggles
  495. Where to start?? Picking up an 85' sitti
  496. Bravo1 Noise
  497. Stiff steering
  498. Jabsco Water Puppy
  499. engine no spark
  500. Flame Arrestor