View Full Version : General Q & A




  1. fiberglass dock box repair
  2. Mercruiser mecahnical fuel pump question HP500
  3. Smart Craft Pros?Cons?
  4. Carbs or EFIs
  5. Fuel Fittings
  6. Adding Cup to props does it really work???
  7. prochargers and boost
  8. Thermostat vs no thermostat 540 cid Procharger engine
  9. Boost retard
  10. Quick Question.....Winterizing 496 H.O.
  11. Someone please explain what hydraulic steering I will need..add on..or full
  12. suggestions on heads, cam, intake swap..
  13. Classified question
  14. Extension boxes
  15. 90 amp fuse
  16. hatch switch
  17. hp 500 carb jetting
  18. vst rebuild kit??
  19. 27 Fountain gas tank shape??
  20. Found Metal in motor, Please help identify. 454 BBC
  21. 496 425hp or 375hp
  22. Chocolate slushy in bilge
  23. reversion - riser solution with stock manifolds or complete change up
  24. Portable / dockside pumpout MI????????????
  25. Mid 90s Bravo 1 Upper Repair or Rebuild
  26. Replacing shifter and throttle
  27. 500 EFI Valves Maybee?
  28. Classified ad
  29. 1/4 inch fuel pump vent line?
  30. Engine Hatch Issues
  31. Smartcraft and K-planes Help Please!
  32. Does the 72C use the same tail housing for #5 drives and TRS drives?
  33. Bad news for alignment and outdrive splines Bravo3
  34. Power steering line thread size
  35. Bent rod, u joints, or ?
  36. 496 Mag (not HO) running rough - code 133 5 vdc pwr low.. Help Please!
  37. White Lightning/Travis
  38. Hydraulic steering pump lacking at low RPM
  39. upgrading Mercruiser HP 500 carb motors
  40. Mercury Smartcraft V1.31 DDT Cartridge
  41. Captains Call Exhaust Issue
  42. What weight oil to run ?
  43. while underway boat port motor shuts down...
  44. 27 Fountain Fever or 29 Scarab??
  45. Oil puke tank
  46. winterization
  47. Phone number for Eagle Marine, Xtreme nut and boot system....
  48. Need to empty fuel tank
  49. Cobra cat 35"
  50. Inverted oil filter on 496 ho engine?
  51. Exhaust Piping ?...
  52. Boost Power Engines
  53. Bringing back E-85 for a update
  54. warlock or eliminator
  55. trim tab cables
  56. Oversized Pistons for 600sci / 700sci motors?
  57. All American Drive Service
  58. 2004 warlock
  59. Fuel supply system
  60. Misfire after 3k rpm...
  61. Temp gauge pegged backwards when ignition on.. 496 Mag Faria gauges
  62. Keihin Injector bore size
  63. looking for my first boat
  64. Quick fix for vapor locking
  65. Electric Trim Gauge not working
  66. Carb tuning
  67. wanting more lope sound
  68. 454 getting hot at wot
  69. Starter life.
  70. Water issues running on trailer
  71. Gauges Light replacement
  72. 502mpi loss of power and surging...
  73. gauges?
  74. crane ignition
  75. stainless marine contact number..
  76. Running out of gas
  77. SMI tail pipe exhaust leak issue
  78. Problems with dart 335 pro 1 heads breaking guide plates
  79. Donzi 26 ZX stock corsa exhaust question
  80. Max valve lift with gen 6 valve covers?
  81. small block turbos
  82. 24-7 engine hatch clearance with bbc
  83. 496 mag ho alarm and hard cold start help??
  84. Water Temp sending unit??
  85. Gimbal bearing
  86. injector connectors
  87. 502 efi
  88. Need Help With Throttle/Shift Cable Brackets
  89. 500EFI vs 525
  90. Sandwich Plate for Imco Powerflow
  91. Speedmaster prop question
  92. 7.4 mpi won't start
  93. gen v-vi block swap
  94. Need new Merc mechanical fuel pumps for 05 525 EFIs
  95. Electric Rams that Left boat hatchs
  96. 502 mag mpi spontaneous stalling at extended idle times
  97. 1992 Powerquest Engine Upgrade
  98. Fountain Bravo 1 WHAT IS THIS??
  99. Removing an Exhaust manifold
  100. 454 7.4 330 hard to turn over when hot
  101. Snap On BK8000 borescope
  102. 502 efi won't stay running
  103. surging idle
  104. what to buy ??? merc scan tool or techmate
  105. Zinc Additive
  106. Help! Gasket material question
  107. 24 Outlaw with twins?
  108. Warning Alarm going off
  109. Prop slip help essex valor 24
  110. Prop hub STUCK
  111. Can a dirty IAC muffler affect top speed in a 496 HO?
  112. oil pressure alarm beep not working
  113. 2007 6.2 Horizon Manifolds/ risers. Opinions on service life?
  114. Merc Racing Valve covers Clear Stud Girdles????
  115. EMI Thunder Exhaust fitting size?
  116. small block oil pump pickup questions, need pan id to find right pickup
  117. Sealing pipe threads on oil cooler?
  118. offshore to onshore
  119. Crazy timing setting
  120. Cleaning non-skid
  121. 850 Mighty Demon tuning instructions? Getting too much fuel and hard to start
  122. Oil temp sensor
  123. Oil pressure sending unit
  124. Aluminum circulating pump closed cooling ?
  125. '82 Excalibur Hawk original gauges
  126. HP 5oo Merc
  127. 600 SCi Oil Pressure Sending Unit Location?
  128. What's the latest and greatest info on the best oil filter
  129. 2001 500 EFI oil overheating
  130. mercury carbed 500's build list
  131. Wellcraft Portofino Exhaust tunnels
  132. Pump out waste tank question
  133. New rebuilt 502 installed and lacking power-Help!
  134. Daytona Plastix
  135. Oil Failure or Something elase? 385HP 454
  136. Broke drive coupler!
  137. 525 efi valve springs
  138. whats a thunderbolt IV ignition worth?
  139. rubber for flappers in exhaust tips.
  140. Purchase Swipes upholstery cleaners
  141. Running lightning headers semi-dry
  142. Where to find vintage vinyl flooring
  143. wind screen
  144. Slop in steering?
  145. recommendations on a fast v hull!
  146. Looking at a 1998 Cobalt 272, is this a deal breaker?
  147. Differenced in gimbal bell housings?
  148. What do i need to run full roller in a GEN V block?
  149. Need help buying crossover system
  150. Adding SmartCraft
  151. Ecm recalibration ? Pcm0701
  152. Amsoil
  153. No fuel pump provision on motor
  154. Cam specs? whats duration at.050??
  155. Jetting hp500 carb for 600hp??
  156. 2 Beeps at startup then stop?
  157. Fuel injector size?
  158. how to set timing on a merc 2000 454 MPI?
  159. Sloppy steering
  160. VHF Radio in Stock Stereo Location (1999 Baja 302)
  161. 502mpi oil Consumption
  162. Need some help here? At a loss...
  163. Is this too much cam?
  164. Has anyone installed these and/or have an opinion???
  165. distributors that will work with TBIV ...
  166. Carb Hat VS carb box on blow thru
  167. Ignition Module 848821-2 500 bulldog
  168. Do I need a new tach?
  169. whats truly needed to swap an ls engine
  170. Whipple Quad rotor carb set up
  171. merc 260 hp 350 getting hot
  172. tack jumping all over the place
  173. Fed up with MSD and Accel, what other options?
  174. Water Pickup
  175. water press.
  176. Help removing prop with unknown prop lock
  177. Corsa Quick & Quite Exhuast diverter solenoids
  178. What spark plugs to use??
  179. iac muffler
  180. What thermostat goes in a 502mpi with a CoolCharger on it?
  181. exhast temperatue 496 mag ho
  182. Safe boost with meth 50/50 mix
  183. Prospective Formula 242LS Project Purchase in United Kingdom - BUT !!
  184. What's my 502mpi worth?
  185. Hydralic hatch to electric, how hard to make the switch??
  186. mercruiser trim problem
  187. Borg Warner 1018 slipping question....???
  188. Volvo Penta 8.1 Limp mode 4000 RPM
  189. Low RPM at WOT
  190. base timing with scan tool issues
  191. 1999 502 Mag - no spark
  192. Hp500 with stock mercruiser manifolds?
  193. I need of an oil cooler line, part is NLA though......
  194. emct overheat code/ guardian mode
  195. what are normal operating temps
  196. Friend just had work done and now weird rooster and loss of speed??
  197. Drive Reservior
  198. Biggest cam with CMI E tops
  199. Steam out of starbord side exhaust - 454 Mag MPI
  200. 2005 Merc 200 EFI ECU issue
  201. Opinions wanted - best switchable mufflers
  202. mercruiser 502 mpi with bravo 3 drive, upgrade path and possibility
  203. Need opinions on my engine/exhaust cooling setup..
  204. sea water pump V belt replacement at Auto Parts store?
  205. Mayfair full hydraulic kit ?
  206. gen vi bbc cam lifter timing chain question
  207. Drop in Rpms
  208. Shift cable
  209. Are my 5.7 l MerCruiser vortec or not?
  210. Need ideals for boat diagnostics. Diacom fault codes with 5 beeps every 60 secs
  211. Need ideals for beat diagnostics. Diacom fault codes with 5 beeps every 60 secs
  212. Underwater LED lights Green/Blue
  213. RPM question
  214. WHO'S GOT A TIRE CONNECTION FOR 6- 445 x 22.5 MICHELINS ?
  215. How big of a cam can I do with EMI with the short risers..
  216. question about parts for bravo
  217. 525 EFI Wheel Target replasement
  218. Block Pressure zero?
  219. 911 Steering Ram Identification
  220. Full Time Silencer Tips...Which is Best?
  221. Early 525 & Smartcraft
  222. Bravo 3 BIII prop install question
  223. BBC 454 Closed Cooling System Quandry
  224. Getting another 100 hp from my 415 hp 502?
  225. Hydraulic hatch accuators
  226. Flywheel help needed
  227. 496ho's will not run past 3500 rpms?
  228. trouble shooting TBolt V ignition issue
  229. Full hydraulic steering on a 24-7 pantera....power or no power?
  230. Dual ram hydraulic add on - hard to turn
  231. 525 EFI Krank timing sprocket?
  232. "guardian mode" on 496 ho engine?
  233. Biggest cam in 502mpi with out reversion with stock manifolds?
  234. battery tender
  235. Verado outboard oil in sterndrives
  236. Finally back in the water
  237. new iac and wont idle down
  238. Thru Hull exhaust internal flapper missing rubber strips
  239. HP500EFI and HP525EFI engine life
  240. Anyone ever put a truck 8.1 in their boat?
  241. 500 hp oil bypass
  242. 02 Sensor getting killed in lightning headers
  243. Trying to diagnose pig-fat rich idle condition on 2bbl Holley
  244. New alternator not charging
  245. Damaged Skegs on Sportmaster Lowers
  246. Switched to Mobil V-Twin 20-50, not sure it was a good move.........
  247. Power Steering issue
  248. who should weld exhaust? factory or...
  249. Very strange oil pressure issue...
  250. 525 EFI Guru's need help!
  251. plenum gasket
  252. Bizarre Carb issue
  253. Champion plugs
  254. LS6 Block
  255. Gil wet exhaust tubes getting hot
  256. 89 baja 320force
  257. Will big block CMI headers work on stock 496?
  258. 700sci Fuel Pump blowing fuses, WHY?
  259. 500 efi ATECO head kit
  260. Merc ignition help please.
  261. 350 mag carb version roller or not ?
  262. While my motor is out....
  263. Is this a Cigarette
  264. Need Gauge Wiring help!!
  265. blower guys
  266. Help! 07 496 no crank no start
  267. Problem with McLeod Bolster- no power
  268. 38 Donzi ZR Tired of losing blades off my propellers
  269. Chasing a 300-400 RPM drop issue in Port motor!!
  270. Monterey by Seabring
  271. Gaffrig gauges/ closed or open??
  272. Supercat engine questions and ideas
  273. Adjustable windscreen?
  274. Wind storm boat covers ?
  275. Strering Problem
  276. 496 replacement injectors
  277. Permatex
  278. Morse tilt steering knuckle
  279. HP 500 camshaft's Do they have a fuel pump lobe?
  280. Motor and 500efi injection question
  281. Mechanical indicator help
  282. Cleaning vinyl?
  283. 36' Apache trim tab cables???
  284. 500 efi issues
  285. EMI Thunder plumping problem
  286. Intake valve, severe cracks !?
  287. Prop wont go any faster.
  288. Computer/Thermostat Question
  289. steering
  290. Hearing whistle when secondary's open???
  291. Corsa exhaust issue. Has to be a simple fix??
  292. 575 sci fuel pressure
  293. Corsa Quick & Quite diverter valve solenoid
  294. 89 or 93 pump gas
  295. 502 efi's water pressure gauge's
  296. O2 Sensor bung installation CMI Etops
  297. steering actuator
  298. Does 93 octane leave chronic soot on the transom?
  299. 1989 scarab 21 excel motor ideas
  300. headbolts for 525 efi
  301. Pro charged 500HP, carb to EFI
  302. Switching from omc to merc, how hard is it?
  303. Starting Problems (Cranking Over)?
  304. Just can't catch a break
  305. Single engine/twin engine prop slip/speed
  306. Fountain shift/throttle-switch sides?
  307. Cobalt fuel pumps?
  308. what is a good qualit and resonably timing set and timing cover for a stock 1990 7.4?
  309. Boat handling issues
  310. looking for help, possible efi issue
  311. 525 cam sensor installation procedures
  312. 502 Mag MPI dies over 4000 rpm/full throttle
  313. Changing a fuel gauge?
  314. 350 Mag MPI WOT bog??
  315. What's the magic spot for a thru hull water depth gage transducer on stepped hull?
  316. Mississippi launches
  317. What do these Spark Plugs say??
  318. 502 EFI intermittently chokes and sputters, drops rpms at cruise speed, stalls
  319. Oil pressure sender 500 EFI
  320. Gauges
  321. Bravo 1 Drive
  322. Pulley slip on ribbed serpentine blower pulleys
  323. 522 missing, bog
  324. Ignition Module
  325. Hp500 EFI injector issue
  326. 496 Temporary Overheat?
  327. Dometic a/c question
  328. Charging diagram twin engine
  329. Replaced impeller 496 ho still no water pressure
  330. Potential Issues with 7.4 L Mercruiser (Year 2000) with Bravo I Drive
  331. Electrical question
  332. 502 quit on me
  333. Mercruiser serial number indentification
  334. What plug to run on a Gen 4 BBC 177 motor.
  335. Strainer cover won`t come off, wtf
  336. Yamaha 4.2 250hp
  337. apache scout motor height
  338. Gaffrig Gauge Questions??
  339. 454 Upgrades?
  340. Weird engine shut down last night 502 MPI
  341. Spinning hubs???
  342. 500 and 525 EFI Vacuum at Idle
  343. 496 Water Ingestion HELP
  344. SBC Valve Cover Clearance Issue with GLM Manifolds
  345. Small outboard question.
  346. Engine Oil Questions. What do you think i the best!
  347. Michigan Motorz Replacement Engine
  348. 300 Optimax parts
  349. inner transom plate
  350. Fuel system help
  351. drive oil in bilge...
  352. puke bucket on 583 ci
  353. drive off, vac and pressure test anything else?
  354. Another starter, this time ring gear also... advice while engine/drive are out?
  355. Standard bravo one sweptback serial number needed
  356. 1995 Formula SR1 has low compression - South Jersey
  357. Supercharged 350 tech advice needed!
  358. Power steering pump
  359. corsa exhaust max rpm
  360. High hour 502mpi mags still running good ??
  361. Oil Level Mystery
  362. Engine issues in my 98 Fountain... Please help!
  363. Anybody here a Dodge mechanic? have questions about a Journey in the fleet...
  364. holley jet sizing for my mild 355 merc ?
  365. Opinions on triples
  366. adjusting valves in 350 sbc
  367. ARP rod bolt question-resizing?
  368. First start up on my new big block :)
  369. 500 EFI Saltwater Questions
  370. 1997 STD 454 carb rev limiter?
  371. Quadrajet carb choke issue
  372. can only turn 4000 RPMS on a 500 EFI, rebuilt drop in
  373. Any experience with Raylar 103 Cams and/or Rockers?
  374. oil additive needed with mobil 1?
  375. 350 Mag Q-jet flooding through primary boosters
  376. Yes another 496 issue. possibly injectors
  377. Crank Driven Water Pump
  378. 2000 47 Lightning upgrading to 525efi motors... connecting to smartcraft? Help!!
  379. MercMonitor, Smartcraft, Vessel View...HELP!
  380. 1999 merc 7.4 mpi vi altinator output post bolt wearing hole in coolant hose???
  381. Too much pressure !!!
  382. Engine and prop set up
  383. Engine water and oil temps too cold
  384. what are the chance
  385. Distributor/ignition issues, need help diagnosing
  386. Hi Tek exhaust manifolds
  387. 525 efi intakes
  388. Video lcd Monitor Info
  389. Re-power with triples? Stagger twins? OR Twins with a larger cockpit??
  390. 1990 7.4L bravo 1 carb replacement
  391. BBC circulating pump
  392. adjusting flat tappet valves
  393. water temp sending unit
  394. Iac controller 496 ho & diacom test
  395. Carb Spacers and Jetting
  396. Help please, possible gas leak?
  397. Dennis Moore's Book
  398. Exhaust question
  399. 088 vs AFR 265 dyno comparison
  400. Need a new 502 BBC rear crank seal. Mine blew out this weekend. Who's is the best??
  401. Insurance company info need for boat Insurance
  402. Air Fuel Ratio Meters...who makes a cheap one that works well?
  403. 496 sportstube headers??
  404. Replacement headers for 525 EFI - Which ones?
  405. 502 mpi mag change to carb help!
  406. 6.2 MPI problems
  407. oil bypass valve question on gen VI engine
  408. Stuck valve on Mercury 525 EFI - cause ??
  409. Thinking about replacing the dash and gauges on my 35' Fountain Lightning
  410. RH vs LH prop??
  411. 496HO missing at 3,000 rpms on take-off after warmed up
  412. High hour 496 loosing power
  413. How underrated are INBOARD engines? Twisting 5600 with the stock props 32 fever
  414. Broke starter and ring gear
  415. 496 CMI twin engine install ?s
  416. 496 Mag filling bilge with water
  417. Looking to upgrade alternator on a 496 mag
  418. 502 Idling/throttle-up Issue
  419. Teague rockers cracking has anyone seen this...
  420. Scarab overheat issue new rebuild
  421. 2007 525 efi
  422. KAMMA boots
  423. Broken Pushrod ball
  424. NXT1 Transmission problem, Advice, Service Repair Manual?
  425. Going crazy on my Mercruiser 496, need Help!
  426. Valve adjustment procedure
  427. Flywheel On 496 Stroker
  428. Wrapping my 47 Fountain? Who in Florida provides a decent wrap and how much $$?
  429. 496 Coolant in Bilge
  430. Shop crane help
  431. starboard runing cold!
  432. need cam expert help
  433. Baja not charging acting funny!!!! Quick question think I fixed want thoughts
  434. Broken Pushrod
  435. upgrading cam on 454 mag crossram efi
  436. 496HO issues, help and feedback needed!
  437. Has anyone used AUTOTEC pistons?
  438. Teage Marine Camshafts
  439. Electrical Question for Wellcraft NOVA III
  440. Cam advise
  441. Goto guy for tuffest bravos?
  442. 500efi problem
  443. Power Steering Pump Issue
  444. Gen v 7.4 belt diagram
  445. Mod my 420 intakes or buy 8:71's??
  446. Too much water pressure
  447. Header Temps ?
  448. 502 Mag cooling system problem
  449. Lost forward/ reverse. Help!!!!
  450. Mild 350 cams
  451. tranny making grinding noise
  452. Need add on steering help ASAP so I can boat tomorrow
  453. Any dyno in central Pa./ ne Maryland
  454. Port engine still weak, advice needed. 2005 496 ho's
  455. Grease points on Bravo?
  456. Whats up with Revolution Marine?
  457. Mirage 202 with a 492?
  458. 496 ho question
  459. Stock 525sc's
  460. Steering
  461. 502 MPI Nightmare!!!
  462. I am thinking about freshening my blown 454 mags after the season
  463. 496 seawater pump
  464. Any pointers for rebuilding Borg Warner 72c transmissions?
  465. thunderbolt ignition
  466. Engines won't turn more than 4200 RPM
  467. Name this part off of BBC whipple charged engine
  468. Mercruiser 454 MAG MPI weak!! help!
  469. 454 mag carbed timing??
  470. dominator carb question
  471. High idle trouble. Lookin for help
  472. Engine Stalling Issue
  473. Mercury Racing Motor Mounts
  474. 525 sc what lifters to use non roller
  475. Words to the wise from the not so wise regarding ignition pickup module or icm...
  476. Best Gen. For a 496 Stroker Gen 4 or Gen 6
  477. 7.4 mpi 2000 model had gaskets replaced the price good???
  478. Need Part Numbers for Gen V/VI 454 flywheel - cast crank versus forged
  479. 385HP 454 Rod knock
  480. 496 stroker jetting questions
  481. NMEA 2000 actuators?
  482. Figured out rpm surge but need some advice
  483. Can someone please tell me what boat this is?
  484. what is this amplifier/rectifier looking thing?
  485. 525efi 600sci and 700sci Heads... are they all the same???
  486. Snap on timing gun on 502 mag??
  487. Fuel pump fitting size 525sc
  488. 454 to 502 engine swap reused TB5 from 454 and im having ignition problems...i think
  489. problem with dual ram tab
  490. Merc 525 header bolt torque??
  491. BBC 540 performance upgrade ?'s
  492. Gaffrig Tachs/Smartcraft acting up
  493. Mechanical fuel pump on a fuel injected 454ci?
  494. ecm relocation
  495. 496 Oil Cooler, where to buy!
  496. Whipple VS Procharger
  497. Is GM Vortec 454 essentially the same thing as the 300-HP L29 7.4L?
  498. I.T.S. and imco stand off boxs question
  499. optima batterys
  500. How easy to go dual hydraulic steering from single?