View Full Version : General Q & A




  1. Windshield Trim
  2. 24' obsession torent
  3. Gotta vent ... literally
  4. 454/502 harmonic balancer
  5. Mechanical indicator on the drive...
  6. Fuel Pump & Oil adapter
  7. water pump/blown engines???
  8. Smaller family boat?
  9. Head studs hitting IMCO manifolds
  10. McLeod Booster Failure
  11. 500EFI Whipple idle problems
  12. Livorsi ll gauges
  13. 454 Mag MPI HP rating?
  14. MEFI 1 Tuning
  15. No spark from coil - low voltage across leads
  16. depth finder install
  17. Weird temp/gauge issue going on
  18. what intake you guys running on big blocks
  19. boat carpet
  20. 454 EFI VST Fuel Pump anybody?
  21. Keeps Throwing belt...
  22. Does 502 have rectangle-port heads ?
  23. Driving me nuts (condensation?)
  24. Ilmor questions...
  25. Wiring for tab pumps
  26. Trim control switch options??
  27. 454 chev build
  28. Scan Tool???
  29. Where is Dave_N???
  30. 500 efi erratic idle
  31. engine lacking power
  32. lighting headers good or bad?
  33. One side of 496 leaner than the other-
  34. K planes and trim cylinders.
  35. Engine oil pressure issue... opinions ?????
  36. Whats the correct timing and spark plugs
  37. 1 Drive stuck up
  38. Water in my TRS trans
  39. 525EFI Have Knock Sensor?
  40. Help ID'ing 6.2 MPI
  41. Cool lookin PFD's
  42. Weird stain on Vinyl HELP?
  43. new/rebuilt engine -new oilcooler=water oil mix
  44. 30amp to 50amp adapter marine vs rv
  45. steering problems
  46. Latham Steering
  47. Hatch actuator not working!!!! HELP!!!!!
  48. wiring diagram with sensor for 01' 496ho
  49. Engine starving for fuel?
  50. Gas Guage Doesn't work
  51. Trim Sender / Gauge All over the place
  52. Spark Plugs: What is everyone using?
  53. Need a marine surveyor in Palmdale CA
  54. Machine Shop recommendations in S.D.
  55. 525 EFI slow response??
  56. 496ho Lean burn
  57. very small water leak can i
  58. new 496 head gasket issues
  59. Unknown cam specs
  60. Tach does not look right??
  61. 454 Mag EFI Cyl Head
  62. SBC getting hot at high rpm
  63. 300x vs 300xs comparison
  64. hp500 ideling high
  65. Drive / coupler alignment issue is kicking my ass!
  66. 700sci loading Up
  67. old 502 EFI MPI Tuning Kit
  68. Tachometer calibration
  69. 496 Mag Black Soot on Transom Lots of it
  70. Help Diagnose 525 EFI Stutter
  71. Stagger stringer setup?
  72. new 502 engine.
  73. Orange Fluid on Blower Manifold
  74. Blue Hp 500 vaccum line question
  75. Temp sender???
  76. Garboard drain repair
  77. Cyclone Replacements
  78. Trying to standardize fluids between multiple boats (Volvo & Merc)
  79. thunder bolt IV timing questions
  80. 502 not pumping water out exhaust even with ears on drive
  81. Air fuel ratio...wet exhaust???
  82. Swapping steering
  83. Loss of Power at WOT
  84. 540 build help
  85. RPM differential
  86. What pitch should I use?
  87. Muffler adapter
  88. 1998 454 magnum flywheel problem????
  89. Raylar Kit Install for 496 HO
  90. 211 libb speed
  91. Is there an easy way to check Octane Level
  92. fuel ?
  93. fuel ?
  94. Mercury 525 EFI Water Pressure?
  95. 496ho alarm (i have scanner)
  96. Hot Engine Oil
  97. I think I finally pulled the trigger!!!!
  98. bad performance Wellcraft 233
  99. Throttle cables
  100. Knocking noise possibly in driveline.
  101. #1 cylinder problems
  102. Where to draw power for electric choke and fuel pump?
  103. Do you have to have the PCV in the intake HP500?
  104. Any Corsa 4 wire Solenoids for sale ??
  105. new holley carb plumbing
  106. Help Sync'ing Engines/Throttles at Cruise
  107. 557 vs big cubic inches
  108. MAP Pressure??
  109. 454 mpi idle vacuum
  110. Mercruiser 500 Hp Bulldog
  111. waste holding tank
  112. Muffler Question
  113. Hp 500 Fuel Injector wiring
  114. 7.4 mpi with 454 mag cam question
  115. Center console advice concept, glasstream, etc
  116. Crossover bypass routing?
  117. overheating then hydro-locking engine
  118. 496 HO Plug Choice - Confirm please
  119. Engine temp question
  120. 525 hesitation?
  121. Trailer Brake Issue
  122. best high speed bimini ?
  123. changing throttle cable throw 31 sonic
  124. Anyone using Cheap Ebay HEI distrubutors
  125. water temp all over the place
  126. Switching to a electric fuel pump..got question..
  127. Heat exchangers
  128. Scat 9000 Steel Cast Crank
  129. power steering help...
  130. fuel gauge
  131. Tachs Erractic
  132. K-Plane help
  133. Just installed a 496HO in an Formula 242LS, and the tach does not work?
  134. Amp
  135. New 540 with crossover hotter on starbord side
  136. 700hp scarab
  137. motor will only rev to 2300 RPM under load
  138. Dana Marine 4" s/s exhaust tips
  139. 496 mag ho rpm
  140. power loss--Hard starting after sitting for a hour
  141. 1987 formula 242ss speed problem.
  142. 525 Issues?
  143. Trim Tab Problems
  144. ? reprogramming old MEFI 1 and 2 ??
  145. Riser to ex tip mismatch - how far can hose flex?
  146. 496 raw water pump problems
  147. 454 loss of RPM
  148. water temp / oil temp??
  149. XRP fittings source
  150. coupler questions.
  151. Ignition Issues
  152. Need Help, old 502 EFI only 4950 RPM, rev Limit ?
  153. Powerboat shows on TV
  154. HELP. Backwashing 496 after impeller replacement.
  155. Jetting advice needed for 489 with Holley 800
  156. Need help with my gas hog(boat)
  157. CRT cordless rotary trim.
  158. 2000 Fountain twin 502's which prop goes where...stupid??
  159. New Tach Going Crazy
  160. oil pressure sender
  161. super charger
  162. Oil pressure problem need some advice
  163. motor stumbles and stalls out
  164. Hatch actuator
  165. Lightning Headers Vs Gil Dry Exhaust
  166. Question about a dipstick
  167. Brovo 1 - Reverse Problems
  168. MEFI-1 or MEFI-2 Cost?
  169. Carb HP500 Oil Overheating?
  170. How do I drive/fly my new Tunnel? 22' DCB (Daytona) with a 500 HP i/o
  171. Bravo 3 - no forward gear, gets stuck in reverse.
  172. Converting from MercTrans to BW c72
  173. Tighten to yield bolts - Re-use
  174. Everything completely dead... HELP!!!!
  175. Loose Flywheel Bolts???
  176. thermostat hole
  177. Oil cooler repair?
  178. Help, trying to convert from crossovers to thermostats
  179. NJ engine builders
  180. Gen VI 454 mag base timing.
  181. removing painted stripes/logo's safely
  182. stainless marine and takin a big gulp of water
  183. Cover, Sunbrella or Hot Shot or ??
  184. fuel level?
  185. engine alignment with offshore mounts
  186. Flywheel Issues
  187. Having trouble with circ pump hose with RPM AirGap
  188. Prop,s
  189. CMI Header Temp.
  190. Keith Eikert Oil Pans & a starter that fits it? anyone have Experience?
  191. amp question
  192. new outdrive?
  193. DUI Ignition
  194. Intercooler plumbing question
  195. Trouble with electric hatch actuators
  196. 496 just makes a click?
  197. One side running hot
  198. outboard guys steering question
  199. New Altenator
  200. Star Marine Depot
  201. Proper place to show my boat
  202. TQ on a mercruiser 425 hp?
  203. Subwoofer question
  204. Anyone have the ability to convert oil filter part numbers?
  205. Prop Puller - Stuck Volvo DP front prop
  206. buying a winterized boat
  207. bellows install question
  208. 288 Sunsation.
  209. Viking Boat Lifts
  210. Innovate LM-2 integration questions....
  211. Engine hard to start when cold
  212. question about sea pump?
  213. 350 Mag MPI High Oil Pressure
  214. SS Raw Water Pump
  215. Gil manifold riser gasket
  216. Jetting for Supercharged 502
  217. oil dipstick with aftermarket exhaust
  218. 525 Slow to respond?
  219. 500 efi motor noise
  220. Weird electrical problem
  221. marine a/c what refrigerant type
  222. Help!! Engine Demon's!
  223. water psi bypass
  224. stewart warner gauges
  225. Converting from points to thunderbolt
  226. TRS bell housing oil cooler??
  227. Ignition Module Problem
  228. wtb conversion stuff for mpi to carb
  229. Thunder bolt IV timing question
  230. Battery question
  231. 525efi timing problem
  232. Idle water pressure hp500's
  233. fuel pump cam question
  234. What a difference the right prop makes!
  235. Engines dies when shifting, need help here
  236. best cheap stereo
  237. Bowtie Vortec Heads
  238. quick fuel 830 carb???
  239. Water dumps
  240. Advice please. 496 water intake blockage.
  241. Trim adjustment.
  242. Trim gauge not working
  243. windshield part
  244. fuel pump cam question
  245. What heads for my small block
  246. Instrument lighting
  247. 496 mag sea water pump
  248. GPS units anyone running a GPSMAP 640
  249. Oil Change Pump
  250. Problem with my TRS drives
  251. Lightning headers vs Gil manifolds / risers - pros & cons?
  252. Is 212* rating for Fragola Push-Lok hose sufficient for oil cooler line?
  253. Livorsi leaking
  254. Maybe a dumb question but hey?
  255. I need some replacement coupler info!
  256. 496 mag non ho rev limiter
  257. oil temp sender
  258. carb set up help needed
  259. 500efi serial number location help
  260. BEST fuild to run in BORG W
  261. need new motor...compatibility vortec question
  262. Rev limiter?
  263. water pick up
  264. What are the right head bolts for my set up?
  265. polishing lower unit
  266. mpi to carb conversion
  267. epoxy, gel, fiberglass removel from old tabs?
  268. Differences between a 350 mag MPI motor and a GM 350 HO Ram Jet engine
  269. Boat Bottom Hook
  270. BBC Gen 6 manifold gaskets ?
  271. Trim rings.......
  272. boat covers
  273. Lowrance HDS 7
  274. fuel pump problem
  275. AN fitting and routing help...
  276. portable a/c
  277. Need some Help on Sluggish boat Please!!
  278. 6.2 / 377 merc
  279. Battery Help
  280. Moisture
  281. Tuning software??
  282. Gen IV 454 Cam Retainer Plate?
  283. Water Pickups
  284. 525 water temp
  285. 496 oil filter
  286. CMI rope seals dripping water????
  287. Getting really frustrated!
  288. 89 292 Deck Graphics Opinion.
  289. GPS/ chartplotter NEED HELP!
  290. Testing an ECT sensor
  291. Water in Engine oil Please help
  292. Motors are back in!
  293. Livorsi DATA TACH
  294. Four stroke outboard question
  295. Whipple Intercooler water PSI
  296. Oil Change-- Dumb Question???
  297. Clarion CMV1 - Anyone have one?
  298. Weind 177 - Merc 525... 80 W 90 ?
  299. thunder v ignition
  300. Any Mac tool dealers on here?
  301. cold water cold air cold motor
  302. fuel additive
  303. Need a little more POWER!! Help!
  304. 502 re-power options
  305. Compression test results and Gen V 454 Mag / HP425 Differences
  306. suggestions on pwer ugrade wanted
  307. Twin Drive alignment
  308. Gold Digger
  309. valvetrain geometry check - do I need shorter pushrods?
  310. Donzi 38ZX Electrical Questions.....
  311. 2 BOATS, same price, different years, 525sc or 500efi need input
  312. gfs 10
  313. 330 Hp to 400 HP
  314. How to check fluid levels??
  315. New Boat trying to guess HP
  316. Help With Engine Id.
  317. Westerbeke Genset
  318. 350 Mag cutting out at WOT
  319. oil lines
  320. 525 oil change frequency
  321. Amsoil 5-30?
  322. Who makes the best labbed prop???
  323. emi vs stainlessmarine exhaust
  324. thermostat housing change
  325. K-plane pump switch wiring
  326. Whipple vs. Procharger
  327. Buying boat, need to confirm engine hours on "fresh" engine
  328. Stereo
  329. vortec head valve covers
  330. Thanks OSO
  331. Gauge Issues
  332. Which heads are better
  333. Back flow valve for innercooler
  334. 330 hp Stock Exhaust Manifold Swap
  335. merc engine wiring diagram
  336. Lake's near Dayton Ohio for test ride??
  337. Alternator Size?
  338. 454 build horsepower?
  339. fuel pump vacuum
  340. Opinion needed.
  341. Motor Rebuild ?
  342. Is this what I need
  343. 400' X 60 ' pole barn ?s
  344. Port side outdirve & K Plane pump, No Power!
  345. Removing scratches from my windshield
  346. hub kit
  347. Reassembly: 454 Mag Mpi
  348. Carb Spacers
  349. 500hp efi fuel psi
  350. Steering Centerline/ Crank Centerline
  351. Scorpion rocker clatter
  352. Alignment tool fo Imco box
  353. Mounting a Thru hull transducer 88 Baja
  354. Steering wheels
  355. Easy way to identifiy a 351 vs 302?
  356. imco lower
  357. Moisture In Oil
  358. Another one for ya
  359. Opening engine compartment w/ no battery!
  360. steering hub adapter??? Help
  361. got ripped off on some parts and machine work, need advice..
  362. Holley Carb choice ?
  363. gear lube reservoir alarm not working
  364. OSO timing out quickly
  365. 1.8 roller rockers
  366. Non skid
  367. My Header dilema continues
  368. Alpha rear engine mount bolts
  369. transom mounted water pick-ups
  370. Closed Cooling Heating Question
  371. Big Block Oiling Question / by-pass valves
  372. 489 with only 14 hrs compression #s
  373. McLeod Design?
  374. Mechanical speedo
  375. Looking for Bravo One X Decals
  376. Subwoofer box Dynamat lining
  377. Bolt removal - bellhousing to transom
  378. Propane Powered
  379. Someone Please explain this to me...
  380. need help 90 31' scarab excel stringer bad
  381. Any stereo/audio wizards out there...?
  382. boosted tuneups
  383. Muffler removal help, and NEWBIE to site
  384. 2 Warning Beeps on 496ho???
  385. Lenco's vs. K-Planes
  386. Race Pump fuel pumps
  387. Sea Strainers , Brass, Bronze or SS ????
  388. Fuel Flow Meter - HELP
  389. 292 Formula Fastech 400 + HP
  390. paging Fogducker..
  391. gps antenna
  392. Holley help/ twin 750s/5psi boost/roots
  393. Does anyone know where I can get two of these (pic)
  394. Put-In-Bay info
  395. manual fuel pump
  396. Solid Model of a Top Gun
  397. Single or twin fuel usage?
  398. Do Corsa mufflers cause any RPM loss?
  399. Stereo popping with trim adjustment
  400. Saginaw P/S pump GPM Flow rating?
  401. More prop testing and results...need advice
  402. Sea Mounted Fuel Pump Block Off
  403. Holley 800 vs 830 for 489
  404. High fuel pressure.
  405. CD Player remote question
  406. White chalky residue on exhaust manifold/riser
  407. Compression Ratio w/ 4lbs boost at elevation?
  408. Mobil 15W-50
  409. where to buy marine carpet
  410. Good place for rear seat/sunpad within 150m of Austin?
  411. Block casting number
  412. Water to whipple Chargers
  413. Scoop location?
  414. Old Volvo fuel pump
  415. Weird oil leak?
  416. 38 Fountain Port no power
  417. Water pressure sender
  418. PSI Blower Carbs
  419. 496 sea water pump question
  420. fuel in seawater fuel pump housings?
  421. 1999 HP500, MLS without surfacing?
  422. Engine shipping crates?
  423. Break in limiter - Verado 350 sci
  424. Low oil psi 454 500HP
  425. Need help with drive height
  426. Oval exhaust tubing
  427. Tapping/ticking noise
  428. Engine ticking
  429. supercharer compatibility????
  430. warning alarm
  431. help needed: 502BBC engine problem
  432. Mercury Racing Oil Filter Cross Reference
  433. Interior cleaning products??
  434. What oil should I run?
  435. GPS/Depth Finder Combo Question
  436. Teague VS Imco
  437. Correct blower size for Gen VI 540?????????
  438. engine mods to a 502 BBC expected H.P gains?
  439. 1.8 rocker on 500hp
  440. hydraulic steering valve question
  441. 188 or 088 heads
  442. 502/450 hp gm blocks whats the mystery ?
  443. Are these heads to big for my combo, Merlin iron 345 CC runners
  444. Trouble aligning engine (350 sbc)
  445. Transom bearing and starter.
  446. best price for anodes?
  447. Fountain fresh water tank pump
  448. carb for 502
  449. HP500 Buildup questions
  450. 502 mag 450hrs on a boat i may buy
  451. Rub rail screws
  452. Scarab 22 Gas Tank Fitting
  453. First Poker Run
  454. Nordskog
  455. best oil for 525sc?
  456. STEREO Advice
  457. 3rd tank for boat lift location
  458. Hydrualic steering cap
  459. Polished Stainless Steel Bolts For Exhaust Tips
  460. Boat radio circuit amperage
  461. ESC Module availability
  462. lightning headers
  463. Cam and ignition question
  464. prop for a 24x7 hull
  465. Any good mefi tuners around LOTO?
  466. need help
  467. 502 EFI System Problem
  468. I need to replace a window on my boat, where do i begin to look?
  469. Gas questions
  470. Rotella 15W40
  471. How much boost would you run??
  472. Another K-Plane ?
  473. Blower Size on Mercury 900 SC's??
  474. Decent OTC head cam combo
  475. Part number for GEN VI timing cover gasket?
  476. Buying used headers
  477. powdercoated out drives?
  478. Remote Reservoir On Hydraulic Steering
  479. 500HP how can you tell it is a real one vs. a 454 painted blue?
  480. GIL or CMI Headers for 500HP??
  481. Get roller cam or Alum heads?
  482. new radio an amp
  483. Kill Switch
  484. Morel lifter noise
  485. Silicon on bravo transoms or not
  486. Belts for HP 500?
  487. Mallory cross reference
  488. cam card
  489. HP 500 EFI (in 20.5 cougar sport skier)
  490. Anybody with Lincoln Welder Resources?
  491. Switching to captain's choice / call from the corsa quick and quiet 50/50 muff system
  492. 10778C oil pump, which pressure spring?
  493. adding shoot through depth transducer???? where to place it?
  494. K-Plane Pin!!! Stuck!!
  495. #7 cylinder 0 compression
  496. Holley 2 circuit or 3 circuit for marine application
  497. Where to plumb this small fitting on Hardin/Gil 9" Riser?
  498. Mefi-3
  499. are these 454=440 cyclones
  500. exhaust