View Full Version : General Q & A




  1. Felpro gaskets
  2. A little bit of moisture under Oil filler cap common?
  3. Power steering aireating and blowing out of cap
  4. Livorsi water pressure gauge....
  5. '86 CC 210 Scorpion Cuddy questions
  6. Mercruiser--TRS combo. . .Water/Oil in bilge ???
  7. Powerquest?
  8. Question re: version of 454
  9. 502/540ci stroker expert help pls!
  10. bravo shop
  11. 454 MPI limiting to 4100rpm lost 8 mph too!
  12. A/C Expert
  13. Need info on 1987 Scarab 1
  14. cam teeth
  15. Water pump on Alpha
  16. High altitude prop change/trade
  17. 454 Mag W/whipple ECM advice
  18. Hours meters in Gaffrig tachs not working
  19. dry exhaust vs wet exhaust
  20. engine ?
  21. Need help - Bravo 1X 4 Blade Bravo 1 Prop
  22. Alternator belt issues
  23. Original cap on a 2000 7.4
  24. Timing moving on it own?
  25. whats a 2006 70hr 496ho worth?
  26. B/B dipstick, what works good
  27. 502 MPI intermediate shaft question??
  28. Whipple 496HO ECM tune...?
  29. chasing a miss
  30. 500HP EFI with ProCharger ?s, Want to take it off
  31. Gil exhaust 525
  32. Merc vapor lock kit??
  33. Need help with Exported Scanner file
  34. Head gaskets
  35. Where to buy shifter cabels
  36. Help converting to headers on a SBC
  37. big block chevy flywheel
  38. BBC tall deck-"decked" too many times
  39. Gear Ratio
  40. 500 EFI where to buy parts?
  41. Floor replacement in 98 O/L SE
  42. Exhaust hose
  43. 454 Ignition issue
  44. Where to buy nice wheels for trailer?
  45. 496 Seawater pump pulley swap
  46. Fuel injector leak down.
  47. Carb Issue
  48. Most H.P. bang for your buck
  49. Livorsi Oil Temp gauge: I can't understand it!
  50. Strange noise/rattle cant find, help
  51. 27p Hydromotive vs. 28p Bravo 1
  52. HP 500 Rebuild Kits ????
  53. Best fuel pump for 454 mag MPI
  54. 525 heads
  55. popping and pinging getting on plane
  56. ECM/Timing?
  57. O/B not Charging
  58. Supercharged BBC with dead hole.
  59. 22p to 24p swap and losing rpm???
  60. HVH super sucker ???? HELP
  61. 97 fountain 24cs problems
  62. Trim Tab/Tilt Cylinder Issues
  63. Water PSI????
  64. Carter Carburetor keeps flooding
  65. Fountain experts needed!
  66. RPM/MPH loss
  67. Alpha One shift problem
  68. 502 Mag EFI
  69. Ran Across a Sandbar...
  70. Paul Phaff engine Ignition issues
  71. Mpg on an 88 Baja 240
  72. help please stalling
  73. Carpet
  74. GLM Cast Iron Manifolds
  75. 496 Whipple, supporting hardware?
  76. Sea Strainer
  77. fuel system
  78. bravo stern jack
  79. 502 Mpi Backfires
  80. More 496 Ho Troubles
  81. Loss of thrust, Rpms redline instantly
  82. H-Beam or Factory Dimple Rods
  83. 1989 454 max RPM
  84. Mercury 700 Oil
  85. Water in my Imco ext. box....
  86. 2001 7.4 Horizon timing question
  87. Thunderbolt IV rev limiter?
  88. Marine engine vs car engine?
  89. Bravo gear noise
  90. K-planes
  91. Sparkplug Wires
  92. Looking for a Lowrance 3500 Depth Gauge
  93. wiring diagram
  94. ignition problem?
  95. Mercury 300X question
  96. valve cover breathing
  97. Stock Merc 525 Oil Capacity?
  98. boat storage
  99. oil sending unit
  100. 502 mpi intake
  101. Opinions on mini torque starters
  102. Any idea what tabs I have??
  103. Alfa drive swap gen 1 upper to gen 2 lower
  104. Speed Issue
  105. 496 closed cooling system
  106. Help with fuel pickup removal
  107. fuel problem
  108. 502 mag engine temp??
  109. First year of the hp500
  110. Replacement Engine
  111. repower 1989 454
  112. Removing Bravo III with DTS
  113. pull motor?
  114. 500 Efi Miss
  115. Adjusting steering
  116. 525 Flame Arrestor
  117. Corsa Captains Call
  118. B&G Marine Radio ?
  119. 500efi hours?
  120. Heritage Boat Identification plaque application ?
  121. replacing exhaust manifold gasket
  122. anyone know where i can find yellow silicone?
  123. 575SCI idle issue
  124. Alpha 1 to Bravo 1 upgrade
  125. bravo 1 hesitation into gear??
  126. looking for tommymonza!
  127. 454 Magnum Spark Plugs? Top choice??
  128. 502 pumps out oil?
  129. Header repair
  130. no compression?
  131. Cracked plugs?? Why do they crack? Best plug for 454 Magnum??
  132. Remanufactured Merc 383 Stroker
  133. Formula 302 windshields, need suggestions!!
  134. 496 HO need help
  135. ITS Trim sender to a old analog gauge
  136. 525 EFI problem
  137. gen6 502 camshaft problems
  138. New bobtail Volvo
  139. 2005 Volvo Penta XDP carbon fiber outdrive removal
  140. Tachs dead?
  141. Raw Water Pump
  142. Ilmor 7-10 temp ?
  143. Will these heads work??
  144. 496 mag flywheel and crank seals
  145. Bleeding air out of steering system.
  146. Need help figuring out water diagram w new headers
  147. 1997 HP 500 octane reqt
  148. 496 Sea Pump Water Pressure
  149. NOS Blackhawk value
  150. In a bind with Trailer Trim
  151. operating @ wot????
  152. 7.4 MPI very sluggish
  153. Newbies questions
  154. 496 HO Electrical problems
  155. what oil to run in motor
  156. When heim joints go bad...????
  157. 320 efi
  158. 78 excalibur 454
  159. 31ft predator cat!! good deal?
  160. need assistance on a part for trim tab indicator please
  161. Number Of Hours Required?
  162. New Borla mufflers??
  163. Looking for a flame arrestor 454 or 502 MPI
  164. bravo cooling hose at gimbal
  165. warm motor boggs down...............
  166. engine hatch actuator help!!!!!
  167. 31ft predator cat. whats it worth?
  168. Stereo install
  169. what else to replace???
  170. 500 EFI Headers
  171. twin 300xs with different fuel burn?!?
  172. Does anyone make a pressure relief valve besides Mercruiser?
  173. 290 volvo hydralic steering add on kits
  174. 502 Mpi- Raise Idle ?
  175. Trim Tab Question..
  176. Exhaust Help
  177. 502 Mpi - Raise Idle ??
  178. One Motor Revs Higher When Trying to Plane
  179. 496 HO hours
  180. What Year was the last year for the 575?
  181. shift lever question
  182. stuck in gear
  183. Need a new cam
  184. motor cutting off
  185. Fuel Guage Pulse!
  186. 496 HO popping at 4000 rpms
  187. Weird Over-rev Issue
  188. 95 502 mpi cold start problem
  189. Wellcraft Nova
  190. 496 mag antifreeze leak
  191. Newbie questions - performance
  192. Carbs spitting while throttling up
  193. Coil Wiring? Thunder Bolt IV
  194. The most beatin into the ground question -- 500EFI Valve Springs
  195. 525SC tuning for 6K feet
  196. Alternate Alternator?
  197. 320 efi heads
  198. engine rebuilder
  199. Thunderbolt gear
  200. 330 454, heads shot, whats options?
  201. transom exhaust cut out Q
  202. Eliminator Daytona 24 handling
  203. Speedo quit working
  204. Hatch Lift Relay
  205. Fuel Pump Problems
  206. Oil Temp Sender Location
  207. Need to set valves and timing
  208. 502 MPI Tach Issue
  209. Engine will not start 525 sc
  210. 496mag repair
  211. need tach help
  212. Scratch Built - wiring Thunderbolt ignitions
  213. Ideas for a boat cover on a non conventional boat shape.
  214. Bolster Supports
  215. throttle plates, intake manifold are coated with a brown /tar/molassis
  216. Swim Ladders
  217. Backfire In Rough Water
  218. Headgasket thickness, how much is too thick?
  219. cavataion plate to bottom of boat distance?
  220. Cant get RPM out of a 454, 330hp
  221. CPProp Mode Switch High
  222. dart iron eagle heads vs merc heads
  223. Pro Charger Carb
  224. Which Marine AC to get?
  225. Testing fuel pressure on 6.2 MPI
  226. Nose Cones
  227. starboard 496 sluggish
  228. Bimini for 32 Foutain
  229. 502 mpi rebuild (used search/beat to death also)have some ???? lso) o
  230. SBC with a Wieand 142 blower ?
  231. Sound like vapor lock / water in tank / fuel pump?? - 6.2 MPI - Help...
  232. Oil pressure dropped!!!
  233. Best Floating Boat Lift
  234. GPS problem
  235. Strange Smartcraft issue
  236. thermostat change-out help needed!!
  237. Biggest cam/ Stainless Marine Std risers
  238. low water pressure fail
  239. Who has the best deals on flame arrestors??
  240. CMI hedder
  241. Cam information
  242. Bravo drive lube leak?
  243. 496HO....what oil
  244. 2009 Baja Outlaw versus 2010 Checkmate 375zt
  245. Bad relay base??
  246. Vibration While Trimming Down
  247. Can I use clamp on mufflers on my dry exhaust?
  248. Headers and reversion
  249. Stereo
  250. 496ho Water Drain Actuator
  251. Need help finding a new boat...
  252. ecm tuning
  253. Throttle handles
  254. Best place for impeller kit?
  255. Rinker Captiva 262 SS performance ???
  256. rusted plugs
  257. 502mpi questions
  258. trim guage problems
  259. 496 water impellar
  260. how much of a pressure should there be when inserting a gimbel alignment tool
  261. 496 is DEAD!!
  262. 454 Mag
  263. vortech supercharged 502 timing ?
  264. 500 efi intake porting
  265. thermostat help needed!!!
  266. Swivel shaft Specs
  267. Vacuum Pump
  268. Hours till oil change?
  269. Donzi Questions
  270. Carb issues
  271. Major Motor Problems
  272. 496 MAG died, crank sensor?
  273. rochester carb on a performer intake Q
  274. Help...Removing an aftermarket nose cone from a Bravo
  275. change from thru hull to drive water pick-up, speed ?
  276. rejet carb after emi thunder install?
  277. Coupler-does anyone besides Merc make these?
  278. GPS antenna battery
  279. max hp Mark IV bowtie block
  280. Stainless Marine Riser Help
  281. Cant get u-joint cups to go in!!
  282. Alternative Speedo Input??
  283. Patriot Alu heads on SBC
  284. Volvo Duoprop to Bravo 3 Question
  285. What all would take out a coupler?
  286. GPS battery
  287. Interior cleaning
  288. Trim tab selection
  289. *****Intake manifold question*********
  290. Sea Water Pump rebuild question
  291. 454 oval or rec port heads
  292. Trs Gimbals
  293. Ignition timing retards
  294. 454 heads
  295. install amp in engine bay compartment???
  296. 496 HO water leakage mystery
  297. Newbie need prop size help!
  298. How far out would you trim a 32 fever
  299. Wht is this??
  300. rings did not seat
  301. Adjusting Throttles ??
  302. Props
  303. New boat, flush questions
  304. Fuel Pump/Fuel Problem
  305. Envision 3200 XS questions
  306. water in Valve cover and Cylinder #1
  307. Need help with an alpha I gen II drive
  308. motor stays running with key off
  309. 454 Build up
  310. milk and reversion
  311. power steering
  312. Popping out the exhaust
  313. fuel pump(s) for 1000/1200hp...help.
  314. Tach Wiring Question
  315. Gauges help needed
  316. oil temp sending unit on Fountain
  317. motor running rough threw code cam sensor fail
  318. What Color is your Drive Oil
  319. Radio issue...
  320. Dextron III in a Velvet Drive...?
  321. 350 Mag Services Manual
  322. New 489 Blown Head Gasket After 2 hrs run time
  323. Blown Head Gasket After 2 hrs run time
  324. how much to build a 496 stroker?
  325. Fuel Regulator Placement??
  326. Any Landscapers around, got a trimmer related question?
  327. 496 MAG HO heating problem
  328. Fuse for accesory power outlet plug
  329. push button shift on Merc trans
  330. how do i post pics
  331. Temperature problem with 454mpi
  332. Can You Convert A 1994 502 Magnum To Carb?
  333. Problem 496 MAG HO with whipple
  334. computer/ecu no good? 502 mag. help please!!
  335. Erratic oil pressure above 4300RPM
  336. stuck engine hatch on 32 fountain fever
  337. New bilge pump not working
  338. Outboard stalls after hot restart
  339. Drive Oil Analysis Lab
  340. GPS question
  341. Ballast Tank Question
  342. Fire Extinguisher ?
  343. 1994 502 Magnum Runing On 4 Cylinders
  344. holley electric fuel pumps
  345. Which HP500 intake gaskets
  346. bad vibration when turning or with the drive tucked in all the way?
  347. Livorsi Speedo quit
  348. Trim tab Indicator
  349. purchacing dry exhaust
  350. New engine tuning
  351. trim limit help please
  352. quicksilver shifter ?
  353. Merc 502... Can I just use a truck starter or is it not the same?
  354. Lake Cumberland
  355. Water pressure guage on closed cooling 525
  356. Gaffrig tach calibration
  357. anode question
  358. Bunk Carpet
  359. Gel coat supplier
  360. Thunderbolt ignition tach wire.
  361. Mufflers for Dry Exhaust
  362. Fuel Pressure Problems
  363. What should fuel pressure be?
  364. Is there an adapter to put 5" hose on a 4" tailpipe?
  365. Timing on a supercharged small block
  366. Bennett trim tab help please
  367. Wema fuel level sender trouble
  368. valve lash
  369. Problem with my 454 Please Help
  370. 91 Octane or 93 Octane w/ Ethanol?
  371. drive swap info
  372. 496ho high idle? please help
  373. Question???
  374. Running lights/Blower causing boat to run like crap
  375. Anyone have troubles with Morel hydraulics?
  376. 575sci with intercooler and 871 upgrade
  377. JL 770 question
  378. pwr strng pump
  379. Motor Surging
  380. Low Compression #4 and #6
  381. Average build time for engine?
  382. Rebuild 502 or repower with 525
  383. MSD Distibutor HELP!!!
  384. More from a 350 mag
  385. Painting my Imco Extension Boxes.....
  386. Old dried up fuel tanks
  387. engine RPM with 25 mirage plus
  388. Need a part description & where to find?
  389. Timing help
  390. gen 6 502's what are they worth/trade
  391. can't get over 3000 rpms on starboard motor
  392. Fuel additive...yay or nay???
  393. timming jumping all over
  394. zero effort shifter cable installation
  395. engine help
  396. 6.2 bearing failures
  397. 454 mpi ps pump
  398. 496 alam every minute
  399. question about drives and lower units
  400. One engine down on RPM at wot
  401. Mercruiser Slow Acceleration Only
  402. Battery Draining
  403. what oilpan for 383 stroker, stock is hitting !!
  404. how much hp 454
  405. Mercury 600sc stalls when shifting imco sc drive
  406. Power Steering turns left, but very hard to turn right??
  407. Best Method for Charging Batteries?
  408. Water Pressure Guage Doesn't Work?
  409. Fuel fill line
  410. Boat pulling to left
  411. xr cavatation plates
  412. 525 vs 496- How many Hours until rebuild?
  413. Fuel Problems. what am i looking at?
  414. Cut filter, have questions
  415. Livorsi Speedo, Garmin antenna
  416. Loss of power/engine coughs then dies
  417. New 525 efi overheating
  418. need muffler
  419. anyone know where to get brass freeze plugs for a 502 ?
  420. engine parts
  421. 598 thoughts please
  422. alternator wiring help
  423. 525 EFI plug fouling
  424. Where to START! Breaker keeps flipping OFF
  425. rooster tail
  426. Timing Issues
  427. trims wont work seperatly
  428. Thanks again RAYLAR
  429. white sludge / film underside valve covers
  430. Holly Carbs New Models
  431. Looking for 2000 Wellcraft Excalibur Windshield
  432. Have you ever had to adjust the camber on your trailer axles?
  433. Pcv sizes
  434. Help! Sneezing and popping coming on to plane.
  435. scanner and workshop manuals
  436. Ignition timing
  437. oil cooler pluming
  438. cut back risers?
  439. Need ideas on how to mount wind deflectors
  440. Trim Tabs drawing power when idle
  441. Timing a Thunderbolt ignition question.
  442. Gps
  443. Mercury systemview trim indicator function
  444. How many hours is a lot on a merc 454?
  445. Tune-up on 7.4 MAG
  446. Running Hot-Help, I need to fix this tomorrow morning!
  447. Gaffrig GPS speedo intermittantly working
  448. p/s pump fitting??
  449. 502zz cam w/ 496 manifolds
  450. 454 Mag Timing
  451. Cam question for water reversion
  452. DPX problem.
  453. How to I.D. Ignition?
  454. TB IV and msd blue box
  455. how much are these motors worth??
  456. water reversion ?
  457. Help With Gauges - Tach Works Randomly
  458. Why so many bb's vs. sb with procharger??
  459. Frozen 500efi... Now i guess i get to build a new one;-)
  460. 25 sunsation impeller change ??
  461. Charging issues
  462. How is water getting in the cylinders of my 496Mag?!?!
  463. Hydraulic hatch cover wont lift *formula boat
  464. gas gauge quit working
  465. Synthetic for an older motor?
  466. Best Oil for a Merlin long Block 540??
  467. Adding 2 stereo batteries
  468. 97 454 Mag stock oil pressure?
  469. alpha one whining
  470. powerglides with twin diesels?
  471. 575sci Intermittant RPM hesitation??
  472. Gauges ??
  473. Oil pressure gauge fluctuating above 3000rpm!!!!
  474. Broken Exhaust Valve Guide SBC
  475. Canfield stud girdles?
  476. 502mag and msd tach adapters:
  477. Stand off box, when do you use them, what size of boat?
  478. HP500 16535 Hydraulic Roller Lifters Cross Reference
  479. RPM issues
  480. oil sandwich adapter
  481. bat boost components
  482. 525SC Stock Jetting?
  483. HP500 Headers and bored over jetting change?
  484. Stock Chevy 454 Timing.
  485. replaced tbolt v with d.u.i. and cant get tach to work
  486. Reverse Rotation Engine
  487. Tb Iv - Help!!!
  488. Fuel Pump Mech. GPH ? which one
  489. 454 mag lean? need advice on what to do
  490. Boat position on the trailer and slings usage
  491. Prop Selection Help Needed
  492. Stock factory hydraulic steering arm leaking
  493. J.c. Marine,,,496 Impeller Kit
  494. prop
  495. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  496. Another Holley Idle Thread - I'm at wit's end!
  497. oil temp sensor placement
  498. Missing alarm check - 496 HO
  499. Speedometer not working with IMCO
  500. 502 MPI hard start when cold