View Full Version : General Q & A




  1. 2005 Volvo Penta XDP carbon fiber outdrive removal
  2. Tachs dead?
  3. Raw Water Pump
  4. Ilmor 7-10 temp ?
  5. Will these heads work??
  6. 496 mag flywheel and crank seals
  7. Bleeding air out of steering system.
  8. Need help figuring out water diagram w new headers
  9. 1997 HP 500 octane reqt
  10. 496 Sea Pump Water Pressure
  11. NOS Blackhawk value
  12. In a bind with Trailer Trim
  13. operating @ wot????
  14. 7.4 MPI very sluggish
  15. Newbies questions
  16. 496 HO Electrical problems
  17. what oil to run in motor
  18. When heim joints go bad...????
  19. 320 efi
  20. 78 excalibur 454
  21. 31ft predator cat!! good deal?
  22. need assistance on a part for trim tab indicator please
  23. Number Of Hours Required?
  24. New Borla mufflers??
  25. Looking for a flame arrestor 454 or 502 MPI
  26. bravo cooling hose at gimbal
  27. warm motor boggs down...............
  28. engine hatch actuator help!!!!!
  29. 31ft predator cat. whats it worth?
  30. Stereo install
  31. what else to replace???
  32. 500 EFI Headers
  33. twin 300xs with different fuel burn?!?
  34. Does anyone make a pressure relief valve besides Mercruiser?
  35. 290 volvo hydralic steering add on kits
  36. 502 Mpi- Raise Idle ?
  37. Trim Tab Question..
  38. Exhaust Help
  39. 502 Mpi - Raise Idle ??
  40. One Motor Revs Higher When Trying to Plane
  41. 496 HO hours
  42. What Year was the last year for the 575?
  43. shift lever question
  44. stuck in gear
  45. Need a new cam
  46. motor cutting off
  47. Fuel Guage Pulse!
  48. 496 HO popping at 4000 rpms
  49. Weird Over-rev Issue
  50. 95 502 mpi cold start problem
  51. Wellcraft Nova
  52. 496 mag antifreeze leak
  53. Newbie questions - performance
  54. Carbs spitting while throttling up
  55. Coil Wiring? Thunder Bolt IV
  56. The most beatin into the ground question -- 500EFI Valve Springs
  57. 525SC tuning for 6K feet
  58. Alternate Alternator?
  59. 320 efi heads
  60. engine rebuilder
  61. Thunderbolt gear
  62. 330 454, heads shot, whats options?
  63. transom exhaust cut out Q
  64. Eliminator Daytona 24 handling
  65. Speedo quit working
  66. Hatch Lift Relay
  67. Fuel Pump Problems
  68. Oil Temp Sender Location
  69. Need to set valves and timing
  70. 502 MPI Tach Issue
  71. Engine will not start 525 sc
  72. 496mag repair
  73. need tach help
  74. Scratch Built - wiring Thunderbolt ignitions
  75. Ideas for a boat cover on a non conventional boat shape.
  76. Bolster Supports
  77. throttle plates, intake manifold are coated with a brown /tar/molassis
  78. Swim Ladders
  79. Backfire In Rough Water
  80. Headgasket thickness, how much is too thick?
  81. cavataion plate to bottom of boat distance?
  82. Cant get RPM out of a 454, 330hp
  83. CPProp Mode Switch High
  84. dart iron eagle heads vs merc heads
  85. Pro Charger Carb
  86. Which Marine AC to get?
  87. Testing fuel pressure on 6.2 MPI
  88. Nose Cones
  89. starboard 496 sluggish
  90. Bimini for 32 Foutain
  91. 502 mpi rebuild (used search/beat to death also)have some ???? lso) o
  92. SBC with a Wieand 142 blower ?
  93. Sound like vapor lock / water in tank / fuel pump?? - 6.2 MPI - Help...
  94. Oil pressure dropped!!!
  95. Best Floating Boat Lift
  96. GPS problem
  97. Strange Smartcraft issue
  98. thermostat change-out help needed!!
  99. Biggest cam/ Stainless Marine Std risers
  100. low water pressure fail
  101. Who has the best deals on flame arrestors??
  102. CMI hedder
  103. Cam information
  104. Bravo drive lube leak?
  105. 496HO....what oil
  106. 2009 Baja Outlaw versus 2010 Checkmate 375zt
  107. Bad relay base??
  108. Vibration While Trimming Down
  109. Can I use clamp on mufflers on my dry exhaust?
  110. Headers and reversion
  111. Stereo
  112. 496ho Water Drain Actuator
  113. Need help finding a new boat...
  114. ecm tuning
  115. Throttle handles
  116. Best place for impeller kit?
  117. Rinker Captiva 262 SS performance ???
  118. rusted plugs
  119. 502mpi questions
  120. trim guage problems
  121. 496 water impellar
  122. how much of a pressure should there be when inserting a gimbel alignment tool
  123. 496 is DEAD!!
  124. 454 Mag
  125. vortech supercharged 502 timing ?
  126. 500 efi intake porting
  127. thermostat help needed!!!
  128. Swivel shaft Specs
  129. Vacuum Pump
  130. Hours till oil change?
  131. Donzi Questions
  132. Carb issues
  133. Major Motor Problems
  134. 496 MAG died, crank sensor?
  135. rochester carb on a performer intake Q
  136. Help...Removing an aftermarket nose cone from a Bravo
  137. change from thru hull to drive water pick-up, speed ?
  138. rejet carb after emi thunder install?
  139. Coupler-does anyone besides Merc make these?
  140. GPS antenna battery
  141. max hp Mark IV bowtie block
  142. Stainless Marine Riser Help
  143. Cant get u-joint cups to go in!!
  144. Alternative Speedo Input??
  145. Patriot Alu heads on SBC
  146. Volvo Duoprop to Bravo 3 Question
  147. What all would take out a coupler?
  148. GPS battery
  149. Interior cleaning
  150. Trim tab selection
  151. *****Intake manifold question*********
  152. Sea Water Pump rebuild question
  153. 454 oval or rec port heads
  154. Trs Gimbals
  155. Ignition timing retards
  156. 454 heads
  157. install amp in engine bay compartment???
  158. 496 HO water leakage mystery
  159. Newbie need prop size help!
  160. How far out would you trim a 32 fever
  161. Wht is this??
  162. rings did not seat
  163. Adjusting Throttles ??
  164. Props
  165. New boat, flush questions
  166. Fuel Pump/Fuel Problem
  167. Envision 3200 XS questions
  168. water in Valve cover and Cylinder #1
  169. Need help with an alpha I gen II drive
  170. motor stays running with key off
  171. 454 Build up
  172. milk and reversion
  173. power steering
  174. Popping out the exhaust
  175. fuel pump(s) for 1000/1200hp...help.
  176. Tach Wiring Question
  177. Gauges help needed
  178. oil temp sending unit on Fountain
  179. motor running rough threw code cam sensor fail
  180. What Color is your Drive Oil
  181. Radio issue...
  182. Dextron III in a Velvet Drive...?
  183. 350 Mag Services Manual
  184. New 489 Blown Head Gasket After 2 hrs run time
  185. Blown Head Gasket After 2 hrs run time
  186. how much to build a 496 stroker?
  187. Fuel Regulator Placement??
  188. Any Landscapers around, got a trimmer related question?
  189. 496 MAG HO heating problem
  190. Fuse for accesory power outlet plug
  191. push button shift on Merc trans
  192. how do i post pics
  193. Temperature problem with 454mpi
  194. Can You Convert A 1994 502 Magnum To Carb?
  195. Problem 496 MAG HO with whipple
  196. computer/ecu no good? 502 mag. help please!!
  197. Erratic oil pressure above 4300RPM
  198. stuck engine hatch on 32 fountain fever
  199. New bilge pump not working
  200. Outboard stalls after hot restart
  201. Drive Oil Analysis Lab
  202. GPS question
  203. Ballast Tank Question
  204. Fire Extinguisher ?
  205. 1994 502 Magnum Runing On 4 Cylinders
  206. holley electric fuel pumps
  207. Which HP500 intake gaskets
  208. bad vibration when turning or with the drive tucked in all the way?
  209. Livorsi Speedo quit
  210. Trim tab Indicator
  211. purchacing dry exhaust
  212. New engine tuning
  213. trim limit help please
  214. quicksilver shifter ?
  215. Merc 502... Can I just use a truck starter or is it not the same?
  216. Lake Cumberland
  217. Water pressure guage on closed cooling 525
  218. Gaffrig tach calibration
  219. anode question
  220. Bunk Carpet
  221. Gel coat supplier
  222. Thunderbolt ignition tach wire.
  223. Mufflers for Dry Exhaust
  224. Fuel Pressure Problems
  225. What should fuel pressure be?
  226. Is there an adapter to put 5" hose on a 4" tailpipe?
  227. Timing on a supercharged small block
  228. Bennett trim tab help please
  229. Wema fuel level sender trouble
  230. valve lash
  231. Problem with my 454 Please Help
  232. 91 Octane or 93 Octane w/ Ethanol?
  233. drive swap info
  234. 496ho high idle? please help
  235. Question???
  236. Running lights/Blower causing boat to run like crap
  237. Anyone have troubles with Morel hydraulics?
  238. 575sci with intercooler and 871 upgrade
  239. JL 770 question
  240. pwr strng pump
  241. Motor Surging
  242. Low Compression #4 and #6
  243. Average build time for engine?
  244. Rebuild 502 or repower with 525
  245. MSD Distibutor HELP!!!
  246. More from a 350 mag
  247. Painting my Imco Extension Boxes.....
  248. Old dried up fuel tanks
  249. engine RPM with 25 mirage plus
  250. Need a part description & where to find?
  251. Timing help
  252. gen 6 502's what are they worth/trade
  253. can't get over 3000 rpms on starboard motor
  254. Fuel additive...yay or nay???
  255. timming jumping all over
  256. zero effort shifter cable installation
  257. engine help
  258. 6.2 bearing failures
  259. 454 mpi ps pump
  260. 496 alam every minute
  261. question about drives and lower units
  262. One engine down on RPM at wot
  263. Mercruiser Slow Acceleration Only
  264. Battery Draining
  265. what oilpan for 383 stroker, stock is hitting !!
  266. how much hp 454
  267. Mercury 600sc stalls when shifting imco sc drive
  268. Power Steering turns left, but very hard to turn right??
  269. Best Method for Charging Batteries?
  270. Water Pressure Guage Doesn't Work?
  271. Fuel fill line
  272. Boat pulling to left
  273. xr cavatation plates
  274. 525 vs 496- How many Hours until rebuild?
  275. Fuel Problems. what am i looking at?
  276. Cut filter, have questions
  277. Livorsi Speedo, Garmin antenna
  278. Loss of power/engine coughs then dies
  279. New 525 efi overheating
  280. need muffler
  281. anyone know where to get brass freeze plugs for a 502 ?
  282. engine parts
  283. 598 thoughts please
  284. alternator wiring help
  285. 525 EFI plug fouling
  286. Where to START! Breaker keeps flipping OFF
  287. rooster tail
  288. Timing Issues
  289. trims wont work seperatly
  290. Thanks again RAYLAR
  291. white sludge / film underside valve covers
  292. Holly Carbs New Models
  293. Looking for 2000 Wellcraft Excalibur Windshield
  294. Have you ever had to adjust the camber on your trailer axles?
  295. Pcv sizes
  296. Help! Sneezing and popping coming on to plane.
  297. scanner and workshop manuals
  298. Ignition timing
  299. oil cooler pluming
  300. cut back risers?
  301. Need ideas on how to mount wind deflectors
  302. Trim Tabs drawing power when idle
  303. Timing a Thunderbolt ignition question.
  304. Gps
  305. Mercury systemview trim indicator function
  306. How many hours is a lot on a merc 454?
  307. Tune-up on 7.4 MAG
  308. Running Hot-Help, I need to fix this tomorrow morning!
  309. Gaffrig GPS speedo intermittantly working
  310. p/s pump fitting??
  311. 502zz cam w/ 496 manifolds
  312. 454 Mag Timing
  313. Cam question for water reversion
  314. DPX problem.
  315. How to I.D. Ignition?
  316. TB IV and msd blue box
  317. how much are these motors worth??
  318. water reversion ?
  319. Help With Gauges - Tach Works Randomly
  320. Why so many bb's vs. sb with procharger??
  321. Frozen 500efi... Now i guess i get to build a new one;-)
  322. 25 sunsation impeller change ??
  323. Charging issues
  324. How is water getting in the cylinders of my 496Mag?!?!
  325. Hydraulic hatch cover wont lift *formula boat
  326. gas gauge quit working
  327. Synthetic for an older motor?
  328. Best Oil for a Merlin long Block 540??
  329. Adding 2 stereo batteries
  330. 97 454 Mag stock oil pressure?
  331. alpha one whining
  332. powerglides with twin diesels?
  333. 575sci Intermittant RPM hesitation??
  334. Gauges ??
  335. Oil pressure gauge fluctuating above 3000rpm!!!!
  336. Broken Exhaust Valve Guide SBC
  337. Canfield stud girdles?
  338. 502mag and msd tach adapters:
  339. Stand off box, when do you use them, what size of boat?
  340. HP500 16535 Hydraulic Roller Lifters Cross Reference
  341. RPM issues
  342. oil sandwich adapter
  343. bat boost components
  344. 525SC Stock Jetting?
  345. HP500 Headers and bored over jetting change?
  346. Stock Chevy 454 Timing.
  347. replaced tbolt v with d.u.i. and cant get tach to work
  348. Reverse Rotation Engine
  349. Tb Iv - Help!!!
  350. Fuel Pump Mech. GPH ? which one
  351. 454 mag lean? need advice on what to do
  352. Boat position on the trailer and slings usage
  353. Prop Selection Help Needed
  354. Stock factory hydraulic steering arm leaking
  355. J.c. Marine,,,496 Impeller Kit
  356. prop
  357. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  358. Another Holley Idle Thread - I'm at wit's end!
  359. oil temp sensor placement
  360. Missing alarm check - 496 HO
  361. Speedometer not working with IMCO
  362. 502 MPI hard start when cold
  363. 700sci IAC Fault Code
  364. Air Gap Intake Manifold
  365. How to tap 502mpi fuel rail?
  366. Can't get engine to warm up.
  367. Captain's choice wont stay open
  368. oil line size
  369. 502 -99 wich gasket?
  370. water in oil 454
  371. Constant tension hose clamps
  372. Outdrive Jacks and Stands
  373. msd problems
  374. Exhaust Diverters
  375. Oil T-stat selection and plumbing
  376. Valve guides for Mercury Racing 525 EFI
  377. X-Dimension Help
  378. 4.3 missing
  379. 496 Poppin through exhaust
  380. Blower motor
  381. 502 Ecm
  382. K K Tab Cables???
  383. Ran above 4000 rpm, overheated
  384. Scx Oil
  385. Arneson single cylinder steering
  386. What size/brand line on your box anchor?
  387. New Sarter Motor Or?
  388. batterys
  389. Any idea where these wires go
  390. Bennett Tabs?
  391. bimini top
  392. Special relay for engine hatch actuator???
  393. thermostat housing issues..
  394. Urgent!! Please Read!!
  395. 500 efi rough idle- surge
  396. fuel pressure problem ?
  397. Max HP for Stainless Marine Exhaust
  398. short block or complete???
  399. 525s vs 700
  400. Did I Undercarb my 489?
  401. Seating Capacity 87 Nova III?
  402. 525 Timing Adjustment
  403. B 1 drivr to a XR
  404. Carb/Fuel pump Help
  405. K&N VS. Gaffrig style
  406. Fuel Problem
  407. whats less room on a blower motorI am
  408. Trim Pump Dipstick??
  409. rubber flooring
  410. 502 mpi Fuel Pressure- need help
  411. Steering Helm replacement
  412. Black full cover How Hot?
  413. were to buy new cockpit cover
  414. hp 500 carb jet sizes??
  415. Steering control valve, Saginaw valve
  416. Busted Trim Tab plane
  417. 454 gen 6 H
  418. roller rockers and tall valve covers
  419. 420 Mega Blower B&M
  420. smartcraft
  421. 27 Series Deep Cycle for starting
  422. Baja 250 sport engine throttle cable question.
  423. Plug wires
  424. Converting from 502efi to 525EFI
  425. Can somebody tell me what part I need?
  426. heads? cam? small block stroker build
  427. Costs to rebuild Upper drive Bravo One X?
  428. Wire Size
  429. merc fuel cool system
  430. 525 Problems
  431. Shifter/throttle help
  432. 3X18 Oil Cooler Help
  433. 1987 Baja 240 Sport Hatch Lift
  434. k-plane mounting
  435. Priming Oil Pump
  436. Anyone heard of Xtreme Custom Boats??
  437. Any Jet Boat Techs Here?
  438. What in a Holley carb would cause a mid range miss?
  439. 525 sc Thermostat
  440. Livoris to Garmin
  441. Needed Vst Pump Asap
  442. where to be 140 Thermostat 7.4 mpi 1999
  443. Rebuilding A 525 Efi
  444. Carb size
  445. Fixed vapor lock 454mag mpi's with VST
  446. Mechanical Oil Pressure Gauge
  447. Mercury "O" ring sealant ?
  448. batterys
  449. Best Battery Setup??!!
  450. Fuel mileage 454?
  451. Gen VI 500hp
  452. Hawk 525sc oval port intake with rectangle heads
  453. 502 Mpi Problems Help!!!!!!!!
  454. HP nearly stalls when throttled back to idle
  455. Cmi Etops
  456. who makes a trans for torque 1375 hp
  457. props
  458. need help choosing prop for baja sport 250 with 450hp
  459. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  460. steering wheel out of center
  461. Holly Marine fuel pumps.
  462. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  463. Idle adjustment
  464. Baja 240 rpm question
  465. teach me about tunnel tabs...
  466. Help with Merc 5.0 cooling issue
  467. 496 HO Oil in coolant issue
  468. 496 HO Warning buzzer issue
  469. stepping The hull
  470. 825 mighty marine demon
  471. sea doo techs??
  472. K-planes
  473. 496 H.O. and Boost pump
  474. drive couplier
  475. mercruiser lower shift cable
  476. VHF Radio
  477. Exhaust Temp
  478. broken motor mount bolt
  479. engine builder or mechanic in ct
  480. temperature problems
  481. 502 MPI hard start, water temps, steam, riser temps ???
  482. hp 500 carb leaking at throttle shaft
  483. holey or bg demond
  484. holey carb gurus
  485. 525 EFI Service intervals -When and what is recommended
  486. How much water presure is to much ?
  487. Whipple intake manifold.....huh?
  488. Best Engines :-) BPM or Crusader ?
  489. 502 hole in piston, oil everywhere
  490. Intermitent whine around 3000 rpm
  491. Engine Serial Number
  492. Corsa Q&Q+ trouble shooting
  493. Power steering weak??
  494. Vibration / U-Joint / Gimbal question - BIII
  495. Trim Tab Size Question
  496. 496 Mag Rich at Idle & Feels weak over 4k
  497. Floating Boathouse
  498. Nose Bleed Supercharger Boaters?
  499. 502 mpi Fuel Pressure Regulator Question
  500. Idle RPM