View Full Version : General Q & A




  1. Loose Flywheel Bolts???
  2. thermostat hole
  3. Oil cooler repair?
  4. Help, trying to convert from crossovers to thermostats
  5. NJ engine builders
  6. Gen VI 454 mag base timing.
  7. removing painted stripes/logo's safely
  8. stainless marine and takin a big gulp of water
  9. Cover, Sunbrella or Hot Shot or ??
  10. fuel level?
  11. engine alignment with offshore mounts
  12. Flywheel Issues
  13. Having trouble with circ pump hose with RPM AirGap
  14. Prop,s
  15. CMI Header Temp.
  16. Keith Eikert Oil Pans & a starter that fits it? anyone have Experience?
  17. amp question
  18. new outdrive?
  19. DUI Ignition
  20. Intercooler plumbing question
  21. Trouble with electric hatch actuators
  22. 496 just makes a click?
  23. One side running hot
  24. outboard guys steering question
  25. New Altenator
  26. Star Marine Depot
  27. Proper place to show my boat
  28. TQ on a mercruiser 425 hp?
  29. Subwoofer question
  30. Anyone have the ability to convert oil filter part numbers?
  31. Prop Puller - Stuck Volvo DP front prop
  32. buying a winterized boat
  33. bellows install question
  34. 288 Sunsation.
  35. Viking Boat Lifts
  36. Innovate LM-2 integration questions....
  37. Engine hard to start when cold
  38. question about sea pump?
  39. 350 Mag MPI High Oil Pressure
  40. SS Raw Water Pump
  41. Gil manifold riser gasket
  42. Jetting for Supercharged 502
  43. oil dipstick with aftermarket exhaust
  44. 525 Slow to respond?
  45. 500 efi motor noise
  46. Weird electrical problem
  47. marine a/c what refrigerant type
  48. Help!! Engine Demon's!
  49. water psi bypass
  50. stewart warner gauges
  51. Converting from points to thunderbolt
  52. TRS bell housing oil cooler??
  53. Ignition Module Problem
  54. wtb conversion stuff for mpi to carb
  55. Thunder bolt IV timing question
  56. Battery question
  57. 525efi timing problem
  58. Idle water pressure hp500's
  59. fuel pump cam question
  60. What a difference the right prop makes!
  61. Engines dies when shifting, need help here
  62. best cheap stereo
  63. Bowtie Vortec Heads
  64. quick fuel 830 carb???
  65. Water dumps
  66. Advice please. 496 water intake blockage.
  67. Trim adjustment.
  68. Trim gauge not working
  69. windshield part
  70. fuel pump cam question
  71. What heads for my small block
  72. Instrument lighting
  73. 496 mag sea water pump
  74. GPS units anyone running a GPSMAP 640
  75. Oil Change Pump
  76. Problem with my TRS drives
  77. Lightning headers vs Gil manifolds / risers - pros & cons?
  78. Is 212* rating for Fragola Push-Lok hose sufficient for oil cooler line?
  79. Livorsi leaking
  80. Maybe a dumb question but hey?
  81. I need some replacement coupler info!
  82. 496 mag non ho rev limiter
  83. oil temp sender
  84. carb set up help needed
  85. 500efi serial number location help
  86. BEST fuild to run in BORG W
  87. need new motor...compatibility vortec question
  88. Rev limiter?
  89. water pick up
  90. What are the right head bolts for my set up?
  91. polishing lower unit
  92. mpi to carb conversion
  93. epoxy, gel, fiberglass removel from old tabs?
  94. Differences between a 350 mag MPI motor and a GM 350 HO Ram Jet engine
  95. Boat Bottom Hook
  96. BBC Gen 6 manifold gaskets ?
  97. Trim rings.......
  98. boat covers
  99. Lowrance HDS 7
  100. fuel pump problem
  101. AN fitting and routing help...
  102. portable a/c
  103. Need some Help on Sluggish boat Please!!
  104. 6.2 / 377 merc
  105. Battery Help
  106. Moisture
  107. Tuning software??
  108. Gen IV 454 Cam Retainer Plate?
  109. Water Pickups
  110. 525 water temp
  111. 496 oil filter
  112. CMI rope seals dripping water????
  113. Getting really frustrated!
  114. 89 292 Deck Graphics Opinion.
  115. GPS/ chartplotter NEED HELP!
  116. Testing an ECT sensor
  117. Water in Engine oil Please help
  118. Motors are back in!
  119. Livorsi DATA TACH
  120. Four stroke outboard question
  121. Whipple Intercooler water PSI
  122. Oil Change-- Dumb Question???
  123. Clarion CMV1 - Anyone have one?
  124. Weind 177 - Merc 525... 80 W 90 ?
  125. thunder v ignition
  126. Any Mac tool dealers on here?
  127. cold water cold air cold motor
  128. fuel additive
  129. Need a little more POWER!! Help!
  130. 502 re-power options
  131. Compression test results and Gen V 454 Mag / HP425 Differences
  132. suggestions on pwer ugrade wanted
  133. Twin Drive alignment
  134. Gold Digger
  135. valvetrain geometry check - do I need shorter pushrods?
  136. Donzi 38ZX Electrical Questions.....
  137. 2 BOATS, same price, different years, 525sc or 500efi need input
  138. gfs 10
  139. 330 Hp to 400 HP
  140. How to check fluid levels??
  141. New Boat trying to guess HP
  142. Help With Engine Id.
  143. Westerbeke Genset
  144. 350 Mag cutting out at WOT
  145. oil lines
  146. 525 oil change frequency
  147. Amsoil 5-30?
  148. Who makes the best labbed prop???
  149. emi vs stainlessmarine exhaust
  150. thermostat housing change
  151. K-plane pump switch wiring
  152. Whipple vs. Procharger
  153. Buying boat, need to confirm engine hours on "fresh" engine
  154. Stereo
  155. vortec head valve covers
  156. Thanks OSO
  157. Gauge Issues
  158. Which heads are better
  159. Back flow valve for innercooler
  160. 330 hp Stock Exhaust Manifold Swap
  161. merc engine wiring diagram
  162. Lake's near Dayton Ohio for test ride??
  163. Alternator Size?
  164. 454 build horsepower?
  165. fuel pump vacuum
  166. Opinion needed.
  167. Motor Rebuild ?
  168. Is this what I need
  169. 400' X 60 ' pole barn ?s
  170. Port side outdirve & K Plane pump, No Power!
  171. Removing scratches from my windshield
  172. hub kit
  173. Reassembly: 454 Mag Mpi
  174. Carb Spacers
  175. 500hp efi fuel psi
  176. Steering Centerline/ Crank Centerline
  177. Scorpion rocker clatter
  178. Alignment tool fo Imco box
  179. Mounting a Thru hull transducer 88 Baja
  180. Steering wheels
  181. Easy way to identifiy a 351 vs 302?
  182. imco lower
  183. Moisture In Oil
  184. Another one for ya
  185. Opening engine compartment w/ no battery!
  186. steering hub adapter??? Help
  187. got ripped off on some parts and machine work, need advice..
  188. Holley Carb choice ?
  189. gear lube reservoir alarm not working
  190. OSO timing out quickly
  191. 1.8 roller rockers
  192. Non skid
  193. My Header dilema continues
  194. Alpha rear engine mount bolts
  195. transom mounted water pick-ups
  196. Closed Cooling Heating Question
  197. Big Block Oiling Question / by-pass valves
  198. 489 with only 14 hrs compression #s
  199. McLeod Design?
  200. Mechanical speedo
  201. Looking for Bravo One X Decals
  202. Subwoofer box Dynamat lining
  203. Bolt removal - bellhousing to transom
  204. Propane Powered
  205. Someone Please explain this to me...
  206. need help 90 31' scarab excel stringer bad
  207. Any stereo/audio wizards out there...?
  208. boosted tuneups
  209. Muffler removal help, and NEWBIE to site
  210. 2 Warning Beeps on 496ho???
  211. Lenco's vs. K-Planes
  212. Race Pump fuel pumps
  213. Sea Strainers , Brass, Bronze or SS ????
  214. Fuel Flow Meter - HELP
  215. 292 Formula Fastech 400 + HP
  216. paging Fogducker..
  217. gps antenna
  218. Holley help/ twin 750s/5psi boost/roots
  219. Does anyone know where I can get two of these (pic)
  220. Put-In-Bay info
  221. manual fuel pump
  222. Solid Model of a Top Gun
  223. Single or twin fuel usage?
  224. Do Corsa mufflers cause any RPM loss?
  225. Stereo popping with trim adjustment
  226. Saginaw P/S pump GPM Flow rating?
  227. More prop testing and results...need advice
  228. Sea Mounted Fuel Pump Block Off
  229. Holley 800 vs 830 for 489
  230. High fuel pressure.
  231. CD Player remote question
  232. White chalky residue on exhaust manifold/riser
  233. Compression Ratio w/ 4lbs boost at elevation?
  234. Mobil 15W-50
  235. where to buy marine carpet
  236. Good place for rear seat/sunpad within 150m of Austin?
  237. Block casting number
  238. Water to whipple Chargers
  239. Scoop location?
  240. Old Volvo fuel pump
  241. Weird oil leak?
  242. 38 Fountain Port no power
  243. Water pressure sender
  244. PSI Blower Carbs
  245. 496 sea water pump question
  246. fuel in seawater fuel pump housings?
  247. 1999 HP500, MLS without surfacing?
  248. Engine shipping crates?
  249. Break in limiter - Verado 350 sci
  250. Low oil psi 454 500HP
  251. Need help with drive height
  252. Oval exhaust tubing
  253. Tapping/ticking noise
  254. Engine ticking
  255. supercharer compatibility????
  256. warning alarm
  257. help needed: 502BBC engine problem
  258. Mercury Racing Oil Filter Cross Reference
  259. Interior cleaning products??
  260. What oil should I run?
  261. GPS/Depth Finder Combo Question
  262. Teague VS Imco
  263. Correct blower size for Gen VI 540?????????
  264. engine mods to a 502 BBC expected H.P gains?
  265. 1.8 rocker on 500hp
  266. hydraulic steering valve question
  267. 188 or 088 heads
  268. 502/450 hp gm blocks whats the mystery ?
  269. Are these heads to big for my combo, Merlin iron 345 CC runners
  270. Trouble aligning engine (350 sbc)
  271. Transom bearing and starter.
  272. best price for anodes?
  273. Fountain fresh water tank pump
  274. carb for 502
  275. HP500 Buildup questions
  276. 502 mag 450hrs on a boat i may buy
  277. Rub rail screws
  278. Scarab 22 Gas Tank Fitting
  279. First Poker Run
  280. Nordskog
  281. best oil for 525sc?
  282. STEREO Advice
  283. 3rd tank for boat lift location
  284. Hydrualic steering cap
  285. Polished Stainless Steel Bolts For Exhaust Tips
  286. Boat radio circuit amperage
  287. ESC Module availability
  288. lightning headers
  289. Cam and ignition question
  290. prop for a 24x7 hull
  291. Any good mefi tuners around LOTO?
  292. need help
  293. 502 EFI System Problem
  294. I need to replace a window on my boat, where do i begin to look?
  295. Gas questions
  296. Rotella 15W40
  297. How much boost would you run??
  298. Another K-Plane ?
  299. Blower Size on Mercury 900 SC's??
  300. Decent OTC head cam combo
  301. Part number for GEN VI timing cover gasket?
  302. Buying used headers
  303. powdercoated out drives?
  304. Remote Reservoir On Hydraulic Steering
  305. 500HP how can you tell it is a real one vs. a 454 painted blue?
  306. GIL or CMI Headers for 500HP??
  307. Get roller cam or Alum heads?
  308. new radio an amp
  309. Kill Switch
  310. Morel lifter noise
  311. Silicon on bravo transoms or not
  312. Belts for HP 500?
  313. Mallory cross reference
  314. cam card
  315. HP 500 EFI (in 20.5 cougar sport skier)
  316. Anybody with Lincoln Welder Resources?
  317. Switching to captain's choice / call from the corsa quick and quiet 50/50 muff system
  318. 10778C oil pump, which pressure spring?
  319. adding shoot through depth transducer???? where to place it?
  320. K-Plane Pin!!! Stuck!!
  321. #7 cylinder 0 compression
  322. Holley 2 circuit or 3 circuit for marine application
  323. Where to plumb this small fitting on Hardin/Gil 9" Riser?
  324. Mefi-3
  325. are these 454=440 cyclones
  326. exhaust
  327. HP500 carb onn a 489?
  328. head choice
  329. Oil Extractor
  330. Bravo XR, LH or RH failure rate
  331. dry joint exhaust ???
  332. SUPERCHARGED 588CI 1050 or 1150
  333. Merc exhaust elbows - stainless vs iron
  334. Opinion needed on a 496 cam
  335. Should I Be Worried??
  336. Crankcase Breather for Merc 490HO Oil Fill Tube?
  337. Thunderbolt V
  338. Analog Tach reading off
  339. repower a baja
  340. Two Stupid Questions...
  341. Rockford Fosgate Marine Speakers???
  342. Baja V8 swap
  343. HP 600SC. What am I buying?
  344. hp500 cap and rotor
  345. guesses on power?
  346. Engine Hours
  347. Adjusting Idle on a 600SC
  348. hp500 oil and filter change
  349. Bravo 1 to XR shorty
  350. stainless cable 33c k-plane cable covers??
  351. Promax 300's snapping alternators off..
  352. 525 one side hot
  353. Pachanga distributer and coil
  354. Kicker Marine
  355. gen V gen vi block swap
  356. Clicking,tapping noise after shutdown
  357. 94, Merc 454 Mag water pump.
  358. Issues with 496 CMI Sport tubes??
  359. Stereo amps in bilge
  360. powerquest 380 bow lift
  361. Valve covers and roller rockers
  362. Power Steering issue....
  363. Best oil pan gasket??
  364. Wet Sounds equalizer and IR repeater????
  365. how much of a cam with 496 manifolds
  366. New install of sea strainer?
  367. where to buy a simple snap / strap
  368. Help finding a thru Transom Water Dump..
  369. gen IV 454
  370. speed and custom marine
  371. hvh carb spacer?
  372. Annodes
  373. Control Panel Upgrade: Fuse holders or Breakers
  374. Trim tab switch upgrade wiring help
  375. vovlo penta to merc??
  376. hydraulic steering install
  377. mercury trim and tab indicater
  378. Oil Filter Housing Gil Marine Gaskets
  379. Fuel system
  380. 598 CI AFR 385CC CNC BBC Heads!!
  381. 502efi's oil temp senders
  382. Crane Hi-6m Manual
  383. gill hp 500 exhuast
  384. Question for the cam guys
  385. 741 cam specs.
  386. 2V vs 5V stereo amp output leads
  387. Mirage Plus prop fit an Alpha drive??
  388. Silent Choice - is reversion more likely at idle or at cruising speed?
  389. 1/2" fuel tank inlet
  390. Blower Motor Exhaust Manifolds
  391. 496 Fresh Water Pump Assembly
  392. fuel filters/screens on 454 mag mpi's (where)
  393. 500 EFI - vapor lock??
  394. K-Plane Indicator Cable
  395. Oil restrictors or plugs?
  396. Hydrolocked 420
  397. Stock Gen VI valve covers versus HP 500 covers
  398. 496HO Fuel Injectors
  399. Line up Drives.
  400. Will new emissions laws effect custom boat builds?
  401. Strange Engine Noise
  402. Will a Merc outboard prop go on an Alpha?
  403. Need Help pls--Reversion!
  404. 525 Efi Spark Plugs
  405. High water pressure
  406. Trim pump set up . .questions
  407. Chrome Air Intake Scoop ?????
  408. 5.7 sbc exhaust manifold
  409. Fuel Tank Placement
  410. help full tip
  411. What octane fuel for 420's?
  412. 454 mag water hoses? where to get affordably!
  413. 2x18 combo oil cooler
  414. 500 EFI Fuel Pumps - Formula
  415. exhaust manifold block off kit
  416. GPS Speedometer
  417. Ateco 500efi upgrade
  418. Oil Pressure Gauge Pinned
  419. 588 CI BBC 14-71 littlefield/intercooled
  420. Remote oil filter
  421. old transducer - new depth gauge
  422. Jet change needed?
  423. spark plugs
  424. Exhaust tips with internal flappers
  425. just for fun: cheapest way to make 800hp????
  426. Would this work?
  427. Through Hull Exaust trim
  428. gen II to bravo one
  429. reversion questions with a 741 cam
  430. outboard installs
  431. V-bottom vs CAT
  432. GT Performance Engineers Upland Ca...any bad dealings?
  433. Looking for Dana Headers...
  434. Think I need a different prop?
  435. Buying Motor from GT Performance Engineering. Have Tech Q's
  436. Valve Spring Spec for 500 EFI
  437. fuel/water seperator w/drain
  438. nose cone epoxy
  439. what % of h.p lost between crank, and prop.
  440. Hinge pin removal. Drill?? Any tips welcomed
  441. adding a portable get to a fountain
  442. Anybody running Lightnings with Silent Choice or Corsa?
  443. 500EFI Valve Spring help.....
  444. Gasket ?
  445. 30 motion
  446. Mirrored Plexiglass
  447. Mercruiser Parts Webite???
  448. Carpet adhesive
  449. Boat Covers
  450. Boat Covers
  451. approximate horsepower!
  452. HP-500 what RPM max.
  453. Wet Dream II
  454. zero balance BB flywheel
  455. External steering with Hynautic helm
  456. wipple?
  457. Need advice/opinions please on buying this boat.
  458. Boat ladder
  459. Mercury Racing 700's Very Hard to Re-start
  460. Rigging Question
  461. NEED HELP! - Bravo Engine Mounting Question
  462. oil cooler install question!
  463. Bravo Transom Assembly Re-Installation
  464. Gen5 or Gen6 differnece
  465. Engine Coupler Issue?
  466. Water pickups
  467. Need Quick Answer Before buying this boat??
  468. merc smart craft
  469. Which valve springs?
  470. Latham rams on imco extension box arms?
  471. Priming Engine with Oil
  472. extended runner mod for Holley Strip Dominator?
  473. How to tell what gen big block you have?
  474. Bravo Upper Drive trim guide crack repair
  475. South Florida Dyno?
  476. Aluminum on transom?
  477. how much can you drop comp with a head gasket??
  478. Trailer fenders
  479. scarrab HELP
  480. Prop help
  481. Through hull water pick up epoxy
  482. New Motors: 540 carb Natural asp. or 454 blown?
  483. Decisions, decisions... square or oval port for 489?
  484. msd. vs. delco dist
  485. crossover cooling systems
  486. Carburetor recommendation
  487. Full closed cooling system.
  488. Small rocks in oil filler tube???
  489. Wanted BigBlock Chevy Marine Performance by Denni Moore
  490. Cam limit before reversion occurs
  491. Anyone know the factory torque spec for a 500 EFI rod bearing?
  492. What valves are used in the stock HP500 heads? 1999
  493. Trans fluid?
  494. Merc/CMI service bulletin
  495. Cam Choice
  496. 496/525 top end
  497. These gaskets don't look correct
  498. Race Fairing
  499. 500 Efi Drain plug locations
  500. drive yoke