View Full Version : General Q & A




  1. Hard to shift back into nuetral under load.
  2. bravo1 trim not going down
  3. Spark Plug Changes?
  4. Freeze plugged popped!
  5. wheres the neutral safety switch on a bravo setup??
  6. holley fuel lines leaking....
  7. Outboard issue
  8. bleeding hydraulic steering system
  9. bleeding hydraulic steering system
  10. engine hatch on 24 outlaw
  11. manifolds???
  12. What are they worth?
  13. Some Oil Info from the people themselves!
  14. Upgrading to a gen VI 454 what can i use from my IV
  15. Fuel Pressure Required for 454 carbs? my pumps bad?
  16. any SEADOO 951 mechanics ????
  17. Throttles not even
  18. When to tune up
  19. Where to buy 5.7 Longblock?
  20. Soft Wall Exhaust Hose...any experience?
  21. what are drop box asd-8's worth??
  22. throttle stud for holley carb????
  23. 89 454 rebuild
  24. Sea pump HELP..
  25. 525EFI Kill Switch Wiring?
  26. Trim gauge stuck full up
  27. Best prices on smartgraft gauges and acces
  28. Kiekhaefer Controls
  29. cam recommendations for 509 bbc
  30. A Lot Of Questions!! 508 & B&M 250???
  31. Roccard Marine
  32. Engine getting hot...??
  33. intake manifold
  34. fuel pump Wipple
  35. what w.o.t rpm for 1987 mercruiser 350
  36. Anybody converted 5" tails for use on sport tubes???
  37. cobra drive gaskit question
  38. internal or external ballanceing of a HP500???
  39. 496 problem
  40. Alpha 1....keep or move up to bravo 1???
  41. Drive lowers interchangeable??
  42. Weiand Team G Intake????
  43. Excessive fuel usage?
  44. 502EFI Won't rev past 3500 RPM
  45. Max WOT on a 496HO
  46. 496 Mag Warning Horn
  47. Engine mounted off center. Pros,cons
  48. Can this happen again?
  49. cherry neutral safety switch
  50. Boat Life bunks, carpet or Felt??
  51. Which fuel pump?
  52. boat seems " not level starboard to portside"
  53. Lots of water in oil... stumped!!
  54. imco powerflow hitting power steering pump hoses....
  55. HP 500 fuel/water pump
  56. Warlock 25 SXT prop blowout
  57. Mercury Outboard Trim/Tilt
  58. Which oil thermostat?
  59. carb jetting
  60. Whippled 500 EFI Injector help!
  61. What size are nuts for Gaffrig gauge's?
  62. Carb Wizard needed...?
  63. oil temp, steaming oil...:-(
  64. Broken Valve
  65. What are these?
  66. Starting problems...
  67. 502 pistons
  68. 502 cracked block repair?
  69. Prop Washers
  70. Need Help ASAP...!!!
  71. stock 500 efi push rod lengths question
  72. Bravo Outdrive Oil Cooler
  73. New light mast / flag pole?? need a new one
  74. conditions that will trigger a CONSTANT alarm?? someone please help me???
  75. Trouble getting alpha lower in the upper unit
  76. Powermaster Ultra Torque Starters
  77. CMI Headers and drip
  78. LS V8 outboard
  79. Valve cover caps milky after 30 min on hose - condensation or something else?
  80. Amsoil Z rod
  81. Finally had time to go pick up my boat
  82. Had boat fixed, want to verify
  83. gauge bulbs
  84. BBC oil filter mounting
  85. Opinions wanted....MPI or Carbs
  86. cmi/merc
  87. over heating! HELP please!!
  88. Replacing External Steering Hose
  89. 140 or 160 thermostat
  90. Melted rubber exhaust hose replace with stainless?
  91. Anyone on merc-net now?
  92. starter fuse link
  93. 500efi oil cooler removal
  94. starter bottom mount CBB
  95. serial numbers ?
  96. What do you guys use on holes below the waterline?
  97. 3.4 merc outboard
  98. xr / xz
  99. thunder bolt modules
  100. Prop size mirages
  101. engine / coupler alignment issues..
  102. Opinions needed on rebuilt engine backfiring
  103. Mark Iv Bowtie Blocks
  104. moisture meters
  105. Refigerator Question
  106. speed of a 26' checkmate
  107. formula silent thunder exhaust tips
  108. 496 make loud tone when you trun key
  109. vinyl repair?
  110. 502efi VST Line routing/ locations?
  111. Raw water pumps
  112. Raw water pumps
  113. gas fill cap
  114. Gps Speedo
  115. Probably a simple question
  116. Computer HDD Data Retrieval
  117. remote on back of boat for radio
  118. What heads should i use on a 540cui
  119. estimated speed for baja h2x
  120. 7.4 MPI fuel system
  121. 496 ho water pressure tube ???
  122. Port gauges read low
  123. HOW much HP 604CI?
  124. 700 SCI fuel pump rebuild?
  125. imco valve covers clear T&D rockers
  126. block casting #'s
  127. 500 efi getting hot?
  128. Trying to find an oil filter adaptor
  129. machine marine steering upgrade
  130. Help! Smoke on the Water!
  131. Retractable ski pylon?
  132. 502 mag help
  133. Would you own a boat if it was cool and cloudy the majority of the summer?
  134. timing and jetting.... i need small adjustments
  135. Let's talk ignition systems
  136. 8.1 496HO cam swapping, factory cam gear-1 pink dot, crank gear-pink dot and divit?
  137. Houston we have a problem!
  138. Corrugated Marine Wet Exhaust Hose...??
  139. Garmin GPS TO GPS LIVORSI SPEEDO
  140. Aviation Gas 100/130 or Racing Fuel... Really?
  141. 548 running very rich.. Flame arrestor??
  142. oil temp sender location...
  143. Guys need some supercharger advice ! and boat information
  144. NGK R 5671A-9 plugs
  145. Coolant temp sensor
  146. Adapter for 1" hex to tapered 3/4" steering post?
  147. 454 Marine Power Question
  148. 502 MPI hard to start/won't idle
  149. gen VI cylinder head gasket
  150. Trim pump hose fittings
  151. 500 efi short block questions
  152. Ignition Help
  153. Base timing
  154. Max RPMs for OME PowerSteering and ALT
  155. 2009 700SCI low oil pressure warning
  156. water coming in WTF!!
  157. fuel psi on blown carb motor
  158. Engine temp spike
  159. fuel pump question
  160. Algae in fuel tank
  161. Bad plug wire
  162. problems planing
  163. 496 HO Power Steering Problems
  164. synthetic oil in 500EFI?
  165. No Ignition Mercruiser 350 Mpi
  166. 502 efi/mpi breaking up/ cuts out.
  167. HP500 dyno chart ?
  168. running a flexplate instead of a flywheel
  169. reflash a mefi 3
  170. Teleflex Extreme cable; long length needed
  171. Trim indicator cables -
  172. Am I over carbed??
  173. scarab 22 switch alpha to bravo any tips or thoughts
  174. Plexaglass canopy
  175. Looking for Colored Screws
  176. fuel system needs for 470-500hp setups
  177. oil
  178. Headers-use less water to make louder?
  179. Problem with starter grinding
  180. How do I find out who has the loan on a boat I purchased
  181. do a plug check?
  182. Stud Girdles
  183. Overheat issue…maybe
  184. How do i remove imco gimbal ring
  185. 496 Mag w/Whipple Stage II Stock Thermostat Safe??
  186. Power Trim Hoses
  187. Loose Steering
  188. Tulipped valves
  189. Trim tab starting height?
  190. Oil Temps
  191. So how do you think this 496 will run?
  192. Mag To Ho
  193. Has anyone tried these starters
  194. 2001 454 mpi timing
  195. Can a backfire damage a new starter?
  196. Adding anodes to K Planes.
  197. Corsa exhaust question
  198. cutting out
  199. Crankcase Pressure
  200. Add-on vs. full hydraulic steering
  201. scx/sc water pickup question
  202. Baby Steps, 1st Timer: 1990 Regal Velocity 230
  203. HP500 spark plugs
  204. Tight wrist pins
  205. How much HP will MercTrans take?
  206. Drive help and opinions PLEASE!!
  207. Prop ?
  208. Water leak
  209. Changing TBI to MPI
  210. What's my CFM
  211. RMbuilder phone number
  212. 420 Mega blower
  213. gil manifolds reversion?
  214. no trim under power
  215. boat has a leaning to the left issue and break in info???
  216. Mirage plus 25P
  217. 88 baja force 235 speed question
  218. Any help at all please!
  219. Outboard Help
  220. 700sci's starting hard
  221. 500 efi long blocks
  222. 496HO over heating
  223. Speed specs
  224. 525sc upgrades?
  225. Help!!!
  226. Plumbing question
  227. powder coating???
  228. snapped alpha one pinch bolt
  229. need hatch actuator
  230. TPS AND IAC cross reference
  231. 330hp 454 dies at idle.
  232. powerquest emblem
  233. Looking at 94 29 foot scarab just want some input
  234. Which is better?
  235. Uh oh. 106db. How to get to 86? Or at least 90?
  236. Windshield Trim
  237. 24' obsession torent
  238. Gotta vent ... literally
  239. 454/502 harmonic balancer
  240. Mechanical indicator on the drive...
  241. Fuel Pump & Oil adapter
  242. water pump/blown engines???
  243. Smaller family boat?
  244. Head studs hitting IMCO manifolds
  245. McLeod Booster Failure
  246. 500EFI Whipple idle problems
  247. Livorsi ll gauges
  248. 454 Mag MPI HP rating?
  249. MEFI 1 Tuning
  250. No spark from coil - low voltage across leads
  251. depth finder install
  252. Weird temp/gauge issue going on
  253. what intake you guys running on big blocks
  254. boat carpet
  255. 454 EFI VST Fuel Pump anybody?
  256. Keeps Throwing belt...
  257. Does 502 have rectangle-port heads ?
  258. Driving me nuts (condensation?)
  259. Ilmor questions...
  260. Wiring for tab pumps
  261. Trim control switch options??
  262. 454 chev build
  263. Scan Tool???
  264. Where is Dave_N???
  265. 500 efi erratic idle
  266. engine lacking power
  267. lighting headers good or bad?
  268. One side of 496 leaner than the other-
  269. K planes and trim cylinders.
  270. Engine oil pressure issue... opinions ?????
  271. Whats the correct timing and spark plugs
  272. 1 Drive stuck up
  273. Water in my TRS trans
  274. 525EFI Have Knock Sensor?
  275. Help ID'ing 6.2 MPI
  276. Cool lookin PFD's
  277. Weird stain on Vinyl HELP?
  278. new/rebuilt engine -new oilcooler=water oil mix
  279. 30amp to 50amp adapter marine vs rv
  280. steering problems
  281. Latham Steering
  282. Hatch actuator not working!!!! HELP!!!!!
  283. wiring diagram with sensor for 01' 496ho
  284. Engine starving for fuel?
  285. Gas Guage Doesn't work
  286. Trim Sender / Gauge All over the place
  287. Spark Plugs: What is everyone using?
  288. Need a marine surveyor in Palmdale CA
  289. Machine Shop recommendations in S.D.
  290. 525 EFI slow response??
  291. 496ho Lean burn
  292. very small water leak can i
  293. new 496 head gasket issues
  294. Unknown cam specs
  295. Tach does not look right??
  296. 454 Mag EFI Cyl Head
  297. SBC getting hot at high rpm
  298. 300x vs 300xs comparison
  299. hp500 ideling high
  300. Drive / coupler alignment issue is kicking my ass!
  301. 700sci loading Up
  302. old 502 EFI MPI Tuning Kit
  303. Tachometer calibration
  304. 496 Mag Black Soot on Transom Lots of it
  305. Help Diagnose 525 EFI Stutter
  306. Stagger stringer setup?
  307. new 502 engine.
  308. Orange Fluid on Blower Manifold
  309. Blue Hp 500 vaccum line question
  310. Temp sender???
  311. Garboard drain repair
  312. Cyclone Replacements
  313. Trying to standardize fluids between multiple boats (Volvo & Merc)
  314. thunder bolt IV timing questions
  315. 502 not pumping water out exhaust even with ears on drive
  316. Air fuel ratio...wet exhaust???
  317. Swapping steering
  318. Loss of Power at WOT
  319. 540 build help
  320. RPM differential
  321. What pitch should I use?
  322. Muffler adapter
  323. 1998 454 magnum flywheel problem????
  324. Raylar Kit Install for 496 HO
  325. 211 libb speed
  326. Is there an easy way to check Octane Level
  327. fuel ?
  328. fuel ?
  329. Mercury 525 EFI Water Pressure?
  330. 496ho alarm (i have scanner)
  331. Hot Engine Oil
  332. I think I finally pulled the trigger!!!!
  333. bad performance Wellcraft 233
  334. Throttle cables
  335. Knocking noise possibly in driveline.
  336. #1 cylinder problems
  337. Where to draw power for electric choke and fuel pump?
  338. Do you have to have the PCV in the intake HP500?
  339. Any Corsa 4 wire Solenoids for sale ??
  340. new holley carb plumbing
  341. Help Sync'ing Engines/Throttles at Cruise
  342. 557 vs big cubic inches
  343. MAP Pressure??
  344. 454 mpi idle vacuum
  345. Mercruiser 500 Hp Bulldog
  346. waste holding tank
  347. Muffler Question
  348. Hp 500 Fuel Injector wiring
  349. 7.4 mpi with 454 mag cam question
  350. Center console advice concept, glasstream, etc
  351. Crossover bypass routing?
  352. overheating then hydro-locking engine
  353. 496 HO Plug Choice - Confirm please
  354. Engine temp question
  355. 525 hesitation?
  356. Trailer Brake Issue
  357. best high speed bimini ?
  358. changing throttle cable throw 31 sonic
  359. Anyone using Cheap Ebay HEI distrubutors
  360. water temp all over the place
  361. Switching to a electric fuel pump..got question..
  362. Heat exchangers
  363. Scat 9000 Steel Cast Crank
  364. power steering help...
  365. fuel gauge
  366. Tachs Erractic
  367. K-Plane help
  368. Just installed a 496HO in an Formula 242LS, and the tach does not work?
  369. Amp
  370. New 540 with crossover hotter on starbord side
  371. 700hp scarab
  372. motor will only rev to 2300 RPM under load
  373. Dana Marine 4" s/s exhaust tips
  374. 496 mag ho rpm
  375. power loss--Hard starting after sitting for a hour
  376. 1987 formula 242ss speed problem.
  377. 525 Issues?
  378. Trim Tab Problems
  379. ? reprogramming old MEFI 1 and 2 ??
  380. Riser to ex tip mismatch - how far can hose flex?
  381. 496 raw water pump problems
  382. 454 loss of RPM
  383. water temp / oil temp??
  384. XRP fittings source
  385. coupler questions.
  386. Ignition Issues
  387. Need Help, old 502 EFI only 4950 RPM, rev Limit ?
  388. Powerboat shows on TV
  389. HELP. Backwashing 496 after impeller replacement.
  390. Jetting advice needed for 489 with Holley 800
  391. Need help with my gas hog(boat)
  392. CRT cordless rotary trim.
  393. 2000 Fountain twin 502's which prop goes where...stupid??
  394. New Tach Going Crazy
  395. oil pressure sender
  396. super charger
  397. Oil pressure problem need some advice
  398. motor stumbles and stalls out
  399. Hatch actuator
  400. Lightning Headers Vs Gil Dry Exhaust
  401. Question about a dipstick
  402. Brovo 1 - Reverse Problems
  403. MEFI-1 or MEFI-2 Cost?
  404. Carb HP500 Oil Overheating?
  405. How do I drive/fly my new Tunnel? 22' DCB (Daytona) with a 500 HP i/o
  406. Bravo 3 - no forward gear, gets stuck in reverse.
  407. Converting from MercTrans to BW c72
  408. Tighten to yield bolts - Re-use
  409. Everything completely dead... HELP!!!!
  410. Loose Flywheel Bolts???
  411. thermostat hole
  412. Oil cooler repair?
  413. Help, trying to convert from crossovers to thermostats
  414. NJ engine builders
  415. Gen VI 454 mag base timing.
  416. removing painted stripes/logo's safely
  417. stainless marine and takin a big gulp of water
  418. Cover, Sunbrella or Hot Shot or ??
  419. fuel level?
  420. engine alignment with offshore mounts
  421. Flywheel Issues
  422. Having trouble with circ pump hose with RPM AirGap
  423. Prop,s
  424. CMI Header Temp.
  425. Keith Eikert Oil Pans & a starter that fits it? anyone have Experience?
  426. amp question
  427. new outdrive?
  428. DUI Ignition
  429. Intercooler plumbing question
  430. Trouble with electric hatch actuators
  431. 496 just makes a click?
  432. One side running hot
  433. outboard guys steering question
  434. New Altenator
  435. Star Marine Depot
  436. Proper place to show my boat
  437. TQ on a mercruiser 425 hp?
  438. Subwoofer question
  439. Anyone have the ability to convert oil filter part numbers?
  440. Prop Puller - Stuck Volvo DP front prop
  441. buying a winterized boat
  442. bellows install question
  443. 288 Sunsation.
  444. Viking Boat Lifts
  445. Innovate LM-2 integration questions....
  446. Engine hard to start when cold
  447. question about sea pump?
  448. 350 Mag MPI High Oil Pressure
  449. SS Raw Water Pump
  450. Gil manifold riser gasket
  451. Jetting for Supercharged 502
  452. oil dipstick with aftermarket exhaust
  453. 525 Slow to respond?
  454. 500 efi motor noise
  455. Weird electrical problem
  456. marine a/c what refrigerant type
  457. Help!! Engine Demon's!
  458. water psi bypass
  459. stewart warner gauges
  460. Converting from points to thunderbolt
  461. TRS bell housing oil cooler??
  462. Ignition Module Problem
  463. wtb conversion stuff for mpi to carb
  464. Thunder bolt IV timing question
  465. Battery question
  466. 525efi timing problem
  467. Idle water pressure hp500's
  468. fuel pump cam question
  469. What a difference the right prop makes!
  470. Engines dies when shifting, need help here
  471. best cheap stereo
  472. Bowtie Vortec Heads
  473. quick fuel 830 carb???
  474. Water dumps
  475. Advice please. 496 water intake blockage.
  476. Trim adjustment.
  477. Trim gauge not working
  478. windshield part
  479. fuel pump cam question
  480. What heads for my small block
  481. Instrument lighting
  482. 496 mag sea water pump
  483. GPS units anyone running a GPSMAP 640
  484. Oil Change Pump
  485. Problem with my TRS drives
  486. Lightning headers vs Gil manifolds / risers - pros & cons?
  487. Is 212* rating for Fragola Push-Lok hose sufficient for oil cooler line?
  488. Livorsi leaking
  489. Maybe a dumb question but hey?
  490. I need some replacement coupler info!
  491. 496 mag non ho rev limiter
  492. oil temp sender
  493. carb set up help needed
  494. 500efi serial number location help
  495. BEST fuild to run in BORG W
  496. need new motor...compatibility vortec question
  497. Rev limiter?
  498. water pick up
  499. What are the right head bolts for my set up?
  500. polishing lower unit