View Full Version : General Q & A




  1. Need help with engine issue
  2. Knock came and knock left
  3. Paging skater Scott 36
  4. Mercruiser 496 ho overspeed code
  5. Raymarine DVD
  6. A little roots blower info.
  7. Can you please direct me to some Velvet Drive Identification information.
  8. Are my 454's magnum's??
  9. which fuel transfer pump to use ?
  10. 500 efi fuel fouling plugs
  11. 525EFI Header Failures - CMI vs Hardin - All failing
  12. Mercruiser Computer Programming
  13. 525 EFI sea pump stops pumping
  14. Fuel Pressure
  15. Should I scrap my anti-spam valves?
  16. 088 heads on gen 5 454 ?
  17. Trim and Tilt Pumps, why is one so much faster??
  18. what is killing my fuel pumps?
  19. SBC to BBC Conversion Questions
  20. Bilge pump in Fountain left running dry- are they toast?
  21. solenoid or trim pump bad?
  22. Gaffrig controls neutral safety switch
  23. 600SCI Gurus Needed -- No BOOST
  24. 088 Heads Max lift?
  25. adding 174 blower
  26. 502 Mag Removal
  27. 525 Header issue; I'm stumped..
  28. Top speed and cruise speed and gearing advice new to forum
  29. Pump for toilette and post-swim hotwash
  30. What Size Carb.
  31. Anybody use these boat dollies?
  32. Looking for advice
  33. SSM V alignment tool
  34. Starboard motor won't start - electrical, fuel?
  35. Mirage won't plane off
  36. Can anyone help identify this boat, and help provide feedback on possible purchase.
  37. 500 EFI Fuel Line longevity
  38. Cigarette 20 Update
  39. Fuel feed issues
  40. Time to replace fuel lines?
  41. Misfiring carb 502
  42. How much does Deck weigh on a Formula 302 SR1. I want to lift it to access stringers
  43. 525 EFI Alarm
  44. Noise when shifting
  45. 525 EFI H2O pressure?
  46. oil temp
  47. Merc 5.7 2bbl 1998 unique concerns.
  48. Replacing dipstick tube in 454
  49. Oil pressure problems!
  50. 454 to 502 repower suggestions
  51. PBM/Erson rods and cranks, comparable??
  52. 500efi overheating hot port header, help
  53. jet size
  54. Motor question for the Guru's...
  55. HP 500 carb fuel mech pumps
  56. Intake to head sealing issue question
  57. Collapsed lifter, bent pushrod
  58. anyone make hinge pin covers?
  59. Value 26 Prowler
  60. Ride quality older 38's which ones to look at
  61. need HEI DUI distributor info
  62. Hardin Marine - Hurricane Lite 525 Headers -- who's got 'em??
  63. solid or rubber prop hub???
  64. 525sc conversion
  65. 7.4 freshwater cooling
  66. Lower than I like Oil Pressure
  67. marine a/c units
  68. aftermarket mechanical fuel pump
  69. need help with code 42 on V6
  70. O2 guage
  71. Bravo 1 Vibration in forward drive not reverse??
  72. Dual trim pumps, one switch?
  73. Remote trim switches
  74. Reading Starts Me Thinking - More Power
  75. Water in fuel lean condition.
  76. Low oil pressure in brand new 502 efi
  77. Serpentine crossover kit
  78. power gone from my 8.2 mercuiser
  79. Moisture in valve covers with oil thermostat?
  80. Power steering leak
  81. 500HP carb- synthetic oil?
  82. oil spray from the front of a new 502 motor custom built
  83. Intake ?
  84. Swain Tech PC-9 Piston Skirt Coating
  85. 81 Formula, both alternators do not work?
  86. Water pump shaft seal
  87. Oil filled bilge - need advise please !
  88. how do you align an engine?
  89. efi vr carb
  90. Easiest way - converting 502 to EFI
  91. 502 mpi no inj. pulse on 1/2 the inj ?
  92. Fuel Injector Replace/Repair 805225A1
  93. Switch standard Bravo 1 to XR?
  94. has anyone ever powder coated blower pulleys
  95. PCM 555 codes
  96. 496 Mag HO front motor mount options?
  97. Camshaft sensor for 2001 496
  98. Murcury Racing HP500
  99. Old School HP500 water pump blown gasket (NOT SEA PUMP)
  100. Fuel tank level sender for formula needed
  101. Quietest thru transom exhaust setup
  102. Oil pressure gauge?
  103. Sloppy steering on bravo want to add hydraulic steering
  104. Which brand do you like?
  105. Merc 5.7 - 260hp
  106. Rapid beeping?
  107. Nordskog sending units?
  108. Autometer Gauge Connections
  109. prop slip?
  110. 781 heads best mods
  111. 38 Fountain fever wind deflecter /where to get one?
  112. How to tell the diffrence between a bravo 1 and 2
  113. any holley TBI experts here?
  114. Cam question
  115. Stupid cam shaft idea? Serious question
  116. Jetting starting point?
  117. drive position indicator - cable type
  118. gen 4 gen 5 question
  119. 1986 Wellcraft Nova III opinions please
  120. Oil sending unit and -----?
  121. 781 bbc heads from auto?
  122. Voltage regulator?
  123. 502 Mag Mpi Issue
  124. Measuring Compression Ratio
  125. Any good internet dynos??
  126. Raylar 496 HO upgrades
  127. 502 500hp efi sumble /stall
  128. Good oil pressure sending unit
  129. Stock 330 fuel pump question
  130. Long or short risers needed for this cam?
  131. Mark IV 502 Mag Hole In Piston And No Oil Pressure Help!
  132. 1000 Islands Poker Run Who is going?
  133. I need 1 set of Stainless Marine Exhaust for a SBC. Who's got the best price?
  134. Sea water/fuel pump questions. Leaking oil.
  135. PowerQuset Interior Lights - HELP NEEDED
  136. Could backfiring cause this?
  137. 454 Cam selection down sizing?
  138. if i had water in bravo one fluid...
  139. csm with vinylester
  140. Mercury efi to holley efi. How to get the correct throttle throw.
  141. electric circulating pump??
  142. Iac for 97 454 mag MPI's part number anyone know.
  143. Q-jet jetting help please
  144. Exhaust Riser gasket?
  145. guys I need help please 496 ho surges almost dies...
  146. Helm joint replacement?
  147. Any A/C techs on Long Island?
  148. EMI Thunder Exhaust On Stock 6.2s
  149. Serpentine to v-belt
  150. Strange MPI problem....
  151. 525efi milk shake
  152. 350 mag miss HELP please
  153. engine fault code?
  154. What thermostat housing for closed cooling system??
  155. blowers
  156. Hard steering at speed..
  157. 502 mpi mods......
  158. Fuel Delivery Issues
  159. Need part # for seal on water pump.
  160. Another newbie prop question
  161. 1997 sv24 challenger boat
  162. MSD Distributor
  163. Help! Merc s/c seals & bushings
  164. Posting pictures with an I Pad
  165. Gen5 to gen 6 have had nothing but problems
  166. Need Torque specs for top two bolts on gimble
  167. 280 Tabs to 380 tabs
  168. Marine Machine Hardware
  169. Small water leak on a XR Drive
  170. Black hose water drain system 496 HO
  171. Solid Roller Cam Worth it??
  172. Weak Starting - Ground?
  173. HELP!! 1996 Baja 302 windshield broken!
  174. circulation pump failure???
  175. How much hp will this build produce
  176. Power steering not working replaced parts...?
  177. Motors marked "BRE 168" any ideas?
  178. square k planes
  179. Simple oil cooler upgrade
  180. Prob and drive height suggestions for Donzi 25zx w 625hp
  181. vacuum pump, blown big block
  182. Merc 502 efi code 23 iat censor
  183. 500 efi exhaust issues
  184. Aluminum Intake manifold + salt brackish water
  185. Mercruiser Automatic Transmission
  186. Where's oil thermostat on merc 525 please
  187. What's considered too much oil pressure?
  188. Melting exhaust boots but engine not running over 180!?!?
  189. milkshake clean up
  190. Spark Plug Gap
  191. Benefits of quad rotor
  192. Any Fast 22ft Stingrays maxims out there??
  193. Distributor housing oil boss
  194. Building a new trailer for a 87 Midnight express 37'. Need help!
  195. Cast crankshaft OK?
  196. Reversion possibility question on SBC with XM270HR cam
  197. Riser gaskets...which one?
  198. 502 MPI w/cool fuel return line fuel flow
  199. Best way to clean the outside of an engine covered in oil?
  200. Replacing MEFI1 with ?
  201. Mystery Piece of Stainless in my Exhaust Tip - please help identify
  202. 8.1 oil bypass valve
  203. Stainless vs brass sea pump
  204. Longevity MIG welder
  205. crane 741 cam and stock roller lifters
  206. 502 fuel injected spudders and dies randomly
  207. Mercrusier 350mag w/Bravo 1
  208. Silent Choice Exhaust not opening.
  209. 500 EFI Powersteering pump defect ???
  210. Pressure test headers question
  211. Trim Tab screws ...kinda came out ....?
  212. Cam recommendations for these heads?
  213. 525 vs 496HO
  214. 454 EFI making a sqealing sound
  215. Mini Starter
  216. Fuel level in cool fuel module 496 HO
  217. 38 Fountain Lightning Worth It or Not ?
  218. EGT ranges procharged carb 555
  219. Hydraulic Ram...Who makes this?
  220. Bad powersteering pump?
  221. Liquid filled water pressure gauge problem
  222. 496 HO in-line fuel filter
  223. Using A MSD Box With Stock Merc Distributor
  224. Engine cover help
  225. Engine trouble shooting help needed.
  226. Any feedback on Venture aluminum trailers? specifically the tandem 5k axle 8725
  227. crank choices
  228. What do you clean your boat with?
  229. Installing water pressure gauge
  230. Oil cooler suggestions for 468 bbc
  231. Value of a mark iv standard 454
  232. Billet serpentine pulley 502 MPI
  233. Mercury Zero Effort Throttle Wiring
  234. Power Steering issues
  235. Choosing an oil pump
  236. Screws for exhaust tips?
  237. Looking for an engine builder in South Florida...Who do you know?
  238. OX66 Outboard gages to Gaffrig
  239. 454 Mag MPI not revving.
  240. Heat issues help.
  241. Old merc 90 outboard question
  242. Replacement iron heads for Edelbrock RPM performer
  243. Trim Tab Cable Help
  244. Mercruiser 6.2 Upgrades
  245. 704ci Motor Help
  246. 137-9400 mayfair steering
  247. Carb help
  248. Heavy duty shift cable??
  249. Motor Shut Down Filter/Pump/Other
  250. intermittent nav lights and fuel gauge problem?
  251. Baja 260 with 454.... Has mufflers and would like to remove them.....
  252. Gen IV 502 No Oil Pressure..... Help
  253. Timing question..502..
  254. 525 SC fuel problems
  255. hesitation, intermittent backfire etc
  256. When will thes 525s require work?
  257. Running hot according to the gauge.....454
  258. Prop slip calculator
  259. wiring help
  260. Need VDO Temp Sender
  261. New engine in Formula, more problems then a math book!
  262. 502 mpi v-belts part numbers..
  263. TRS transmission problems
  264. Impeller problems
  265. 496 mag help
  266. Size of harmonic balancer pulley bbc?
  267. How fast is an 88 scarab 1 with an efi 502????
  268. Mercruiser 5.7 efi fuel pressure kit from Autozone
  269. 502 mag MPI starts then stalls after replacing cap, rotor, wires and exhaust!
  270. Just got a noise ticket tonight - need options
  271. Broken dip stick tube on my 260 Merc
  272. 454 oil burn... questions on what to check first
  273. Throttle / Shift Controller - Sea Star or Mercruiser
  274. Thru hull tip internal flapper broke
  275. 496 8.1 Timing cover and gear question
  276. LED Gauge Upgrade
  277. 29' baja is shift cable longer with an imco extension box on the drive
  278. ignition troubleshooting ??? help please
  279. External voltage regulator wiring question
  280. 525sc upgrades for more hp
  281. HP 500 intake grommet??
  282. water in oil on fresh rebuilt 468 with m1 procharger intercooled.
  283. power steering pump question..
  284. 502 Catastrophic Failure!!! Why does this happen?
  285. trs to speedmaster
  286. Screw in fuel sending unit
  287. 496HO manifold over heating
  288. K-Planes Bolt Length
  289. Leakdown Test vs Compression Test? Help with a used boat.
  290. Circulating Pumps on 600sc (Convert to X-Overs)
  291. A/C questions
  292. 525 EFI Oil Pressure to High at Idle
  293. Rough idle?
  294. Fuel pump and delivery
  295. Hairline crackin one blade of stainless four blade prop
  296. power steering only works at speed
  297. 1 merc. 700 keeps vaporlocking
  298. New Mallory Ignition, no spark
  299. best replacement trim tab cables for merc k=planes?
  300. 32 fever with small blocks
  301. Feather throttle to keep running until reaching operating temp
  302. Air Fuel ratio
  303. How much HP? on my 454
  304. Comzilla intercoms
  305. Part # for 500 EFI impeller
  306. If you had a choice which one
  307. 1998 Mercury 250 EFI Factory Shop Manual
  308. B&M Blowers 174 type. timing issue?
  309. help! info on powerquest
  310. manifolds length
  311. Dumping cooling water, lightning headers.
  312. silent choice, issue or something else
  313. I.M.P Viper 310 help
  314. Formula 233
  315. I think I stuck a valve
  316. plug gap
  317. Question about GMPP 502ho crate engine.
  318. Shop Labor times to Pull a motor
  319. Hyd steering hose??
  320. 525 Oil Temp Sensor
  321. Carburetor Help
  322. Mefi 3 ??
  323. 502 dies at wot
  324. Help Please!!!! 88 Four Winns Liberator 211 is SLOW!!
  325. Oil Temp Issues
  326. Another 525 Header Issue
  327. 496HO: would IAC cause this? 1 engine lagging intermittently lagging 100-400 RPM
  328. 525sc idling at 180* rising to 210*
  329. New GM 502 Vibration above 1500 RPM
  330. Whats TO HOT FOR OIL TEMP
  331. Right thrust washer? Hub?
  332. Firepower control box
  333. Gen 4, 5 and 6 GM heads same plug reach?
  334. over cam'd motor or pump problem?
  335. Need help with Kohler 5ECD Generator...
  336. Russel Performance AN swivel fitting leaking
  337. Mercruiser BBC front engine mounts 79550
  338. A/c unit help
  339. 350 mag mpi won't turn off???
  340. is this a sign that the hull was rotten?
  341. 2 Alternators to choose from
  342. blower size help
  343. Replacing stock thermostat housing with Stainless,,,,,
  344. Mercruiser silent choice
  345. How often to clean the air intake 7.4 mpi
  346. Mercruiser Rev Limit Ignition by Firepower
  347. 496 whipple boost
  348. Cigarette 24 info
  349. Led Cockpit lights
  350. Exhaust Problems
  351. Cobra outdrive not pumping water
  352. Trim not moving evenly
  353. 502 water reversion
  354. Ultimate Warlock 24' Euro
  355. Alpha hit something no forward or reverse
  356. FAST Programmable EFI
  357. Oil foaming out of lower unit trim pump reservoir only while trimming lower unit.
  358. Loose/missing exh flapper
  359. Engine won't get boat on plane - ignition issue?
  360. blown 900 ate a distributor gear over the weekend, what now......
  361. Cost to rig a new hull?
  362. Outdrive Control Box
  363. 502 ss trying to get a hold of u bro ??
  364. Morse Controls
  365. Mercruiser Head Gasket Sealing
  366. Why no oil cooler 350 mag MPI
  367. Go Fast needed for a wedding
  368. Noise at Higher RPM's..... Details inside
  369. Rooster tail fittings on Normal drives - What and where?
  370. Removing compass
  371. Another water in oil milkshake thread
  372. Water in motor..need help fast!!
  373. Head Gaskets...head bolts..
  374. Baja 252 motor help
  375. When started, EFI motor will not idle below 3000 rpm
  376. Smart craft trim limit switch
  377. steering question
  378. Serp belt tension
  379. Lubricant for silicone exhaust hose?
  380. Painted boats hull cleaner?
  381. Scratched CMI polished Sport Tubes
  382. corsa solenoids ratling when diverted to prop
  383. wiring questions
  384. timing chain question
  385. transom assembley help
  386. Pondering the thought of doing a LS motor.......
  387. Any wlders in the house?
  388. Junk VST Electric Fuel Pump
  389. Hardin Gen 7 Sea Pump Install
  390. Motion actuator for power bolster seat, I need one from a Fountain or other boat!
  391. New engine ready to fire but WONT! Expierenced techs Please Help!!!
  392. Steering leak at the helm
  393. Boost referencing carbs
  394. recommended manifolds for 540 tall decks 600hp innovation marine
  395. twin engine fuel burn from side to side.
  396. Drain plug adapter
  397. 496 ho
  398. 03 496 ho double beep
  399. Horrible Idle on a holley 800..
  400. Smallbock oil adapter
  401. WTF,, does anyone make a tall life or ski vest for guys 6'-6'+
  402. 900 low oil pressure and cold filter after oil change???
  403. Recommended GPS with depth capabilities ?
  404. more HP for 502 mpi
  405. Lake Texoma Eating
  406. Running rough at low RPM after warmed up
  407. HP500/ BBC short water pump part#
  408. 502 MPI Surging over 4200 RPM
  409. New Oil Coolers? Yes or No?
  410. Gaffrig oil pressure sender
  411. Merc 7.4 Gen V clicking noise
  412. FAST Air Fuel Meter??
  413. RPM Drop in 1 Engine
  414. 12V DC Air Conditioner - Anyone have any experience with them?
  415. 496 with Whipple
  416. Gen IV Heads On Gen V Block Coolant Port ?
  417. Ethanol resistant fuel line?
  418. motor swap, now gauges dont work
  419. flame arrestor
  420. Bore notching 4.310 bore
  421. kiekhaefer trim tab manual or information needed...
  422. Throttle response.
  423. Anyone noticed slower speeds with the higher air temperatures?
  424. Heat Alarm wire..
  425. 1999 Donzi 26ZX performance results with new 502
  426. 600sci Impeller DIY?
  427. Replacing trim and drive indicator cables on Bluewater Performance panel HELP!
  428. Who designs custom dashes for older boats?
  429. Seeking a brochure for a 20 foot Cigarette
  430. Cast Iron manifold -> Stainless exhaust pipe
  431. Valve cover removal with exhaust on?
  432. Mando alternator wiring....
  433. Merc Racing 525EFI. SAE or Metric fasteners?
  434. Dana Exhust
  435. Replacing 502 with 496s
  436. Replacing 555 on 496 with MEFI Controller
  437. Exh manifold leak test w/acetone
  438. single 4150 fuel feed recomendations
  439. running hard with or without Silent Choice open
  440. This pizzes me off! Who is CP performance trying to kid
  441. Size of hose on speed master 3
  442. Swapping to a sea pump on sbc...
  443. anyone have 500efi valve cover baffle pics?
  444. fuel/water separating filters
  445. Pump size nozzle on a stock HP500 holley 850..
  446. Sierrs f/w sapartor
  447. Temp problems with 27' Advantage Victory
  448. Mefi 1 ecm bad, ideas??
  449. Need some help guys! Just bought a new boat.
  450. Dual Carb Adapter Gasket On Blower ?
  451. Skag repair on Sportmater lowers
  452. 1997 Gen VI MPI
  453. L-29 heads question?
  454. 7.4 MPI Vapor Lock and "jip joint gas"
  455. Oil cooler location and funny story
  456. exhaust manifold
  457. Oil Cooler Line Diameter
  458. 454 massive carbon build up on spark plugs back of the boat is covered in suit
  459. best prop for 26 Daytona
  460. 7.4 330 oil leak under power?
  461. Baffled by apparent reversion issues with Lightning headers and mild cam
  462. Changing oil with engs out
  463. Motec display with smartcraft?
  464. 525sc died at 70 mph no spark
  465. Bravo one trimming noise!
  466. Holley power valve sizing.
  467. ( A/F ) air fuel ratio for NA 350 vortex
  468. 330hp to 350hp vortec 454
  469. Engine Weight ?
  470. Fuel leaking out of vent ??
  471. Engine Oil Overfull (Due to extended high RPM runs)
  472. Intake Manifold Oil Leak?
  473. 4 Blade vs 6 Blade.
  474. Geico, Seaworthy Ins, Any Horror Stories?
  475. auto technician needed
  476. trouble with 525 sc
  477. looking for two pair of 4.5 flapprs for myexaust p
  478. 2004 47 fountain oil pressure sending unit
  479. Need opinions/suggestions 12volt battery system
  480. 525EFI water pump
  481. Gil Oil coolers
  482. Turbo question! Advice needed
  483. Dyno Day! Question for engine builders - A/F correction factor for dry dyno headers?
  484. 496 HO 2004 - Shutting down when throttling down
  485. anyone running a 5 blade with 525 efi?
  486. Corsa switchable exhaust swap.... Baja 272
  487. What are they worth?
  488. Ocean Marine AC unit reading HPF???
  489. Recommended oil for my 7.4
  490. Need advice about sea strainer on a superboat
  491. U joint shaft bravo2X
  492. 01 38 fountain lightning gen iv bbc what couplers and housings
  493. Anyone bought a new oil cooler that had something rattle in it?
  494. Power Steering Pump Pressure for Ram
  495. Where can I find a eddie marine part that is no longer made....
  496. Fuel Gauge...
  497. 525 Mercury Racing Engine pulling back once it hits 4200 rpm
  498. lying to your insurance company? ??
  499. TB IV and V ign info
  500. Where to place AFR sendor Or Stanless Marine Exhaust