View Full Version : General Q & A




  1. Headers and reversion
  2. Stereo
  3. 496ho Water Drain Actuator
  4. Need help finding a new boat...
  5. ecm tuning
  6. Throttle handles
  7. Best place for impeller kit?
  8. Rinker Captiva 262 SS performance ???
  9. rusted plugs
  10. 502mpi questions
  11. trim guage problems
  12. 496 water impellar
  13. how much of a pressure should there be when inserting a gimbel alignment tool
  14. 496 is DEAD!!
  15. 454 Mag
  16. vortech supercharged 502 timing ?
  17. 500 efi intake porting
  18. thermostat help needed!!!
  19. Swivel shaft Specs
  20. Vacuum Pump
  21. Hours till oil change?
  22. Donzi Questions
  23. Carb issues
  24. Major Motor Problems
  25. 496 MAG died, crank sensor?
  26. rochester carb on a performer intake Q
  27. Help...Removing an aftermarket nose cone from a Bravo
  28. change from thru hull to drive water pick-up, speed ?
  29. rejet carb after emi thunder install?
  30. Coupler-does anyone besides Merc make these?
  31. GPS antenna battery
  32. max hp Mark IV bowtie block
  33. Stainless Marine Riser Help
  34. Cant get u-joint cups to go in!!
  35. Alternative Speedo Input??
  36. Patriot Alu heads on SBC
  37. Volvo Duoprop to Bravo 3 Question
  38. What all would take out a coupler?
  39. GPS battery
  40. Interior cleaning
  41. Trim tab selection
  42. *****Intake manifold question*********
  43. Sea Water Pump rebuild question
  44. 454 oval or rec port heads
  45. Trs Gimbals
  46. Ignition timing retards
  47. 454 heads
  48. install amp in engine bay compartment???
  49. 496 HO water leakage mystery
  50. Newbie need prop size help!
  51. How far out would you trim a 32 fever
  52. Wht is this??
  53. rings did not seat
  54. Adjusting Throttles ??
  55. Props
  56. New boat, flush questions
  57. Fuel Pump/Fuel Problem
  58. Envision 3200 XS questions
  59. water in Valve cover and Cylinder #1
  60. Need help with an alpha I gen II drive
  61. motor stays running with key off
  62. 454 Build up
  63. milk and reversion
  64. power steering
  65. Popping out the exhaust
  66. fuel pump(s) for 1000/1200hp...help.
  67. Tach Wiring Question
  68. Gauges help needed
  69. oil temp sending unit on Fountain
  70. motor running rough threw code cam sensor fail
  71. What Color is your Drive Oil
  72. Radio issue...
  73. Dextron III in a Velvet Drive...?
  74. 350 Mag Services Manual
  75. New 489 Blown Head Gasket After 2 hrs run time
  76. Blown Head Gasket After 2 hrs run time
  77. how much to build a 496 stroker?
  78. Fuel Regulator Placement??
  79. Any Landscapers around, got a trimmer related question?
  80. 496 MAG HO heating problem
  81. Fuse for accesory power outlet plug
  82. push button shift on Merc trans
  83. how do i post pics
  84. Temperature problem with 454mpi
  85. Can You Convert A 1994 502 Magnum To Carb?
  86. Problem 496 MAG HO with whipple
  87. computer/ecu no good? 502 mag. help please!!
  88. Erratic oil pressure above 4300RPM
  89. stuck engine hatch on 32 fountain fever
  90. New bilge pump not working
  91. Outboard stalls after hot restart
  92. Drive Oil Analysis Lab
  93. GPS question
  94. Ballast Tank Question
  95. Fire Extinguisher ?
  96. 1994 502 Magnum Runing On 4 Cylinders
  97. holley electric fuel pumps
  98. Which HP500 intake gaskets
  99. bad vibration when turning or with the drive tucked in all the way?
  100. Livorsi Speedo quit
  101. Trim tab Indicator
  102. purchacing dry exhaust
  103. New engine tuning
  104. trim limit help please
  105. quicksilver shifter ?
  106. Merc 502... Can I just use a truck starter or is it not the same?
  107. Lake Cumberland
  108. Water pressure guage on closed cooling 525
  109. Gaffrig tach calibration
  110. anode question
  111. Bunk Carpet
  112. Gel coat supplier
  113. Thunderbolt ignition tach wire.
  114. Mufflers for Dry Exhaust
  115. Fuel Pressure Problems
  116. What should fuel pressure be?
  117. Is there an adapter to put 5" hose on a 4" tailpipe?
  118. Timing on a supercharged small block
  119. Bennett trim tab help please
  120. Wema fuel level sender trouble
  121. valve lash
  122. Problem with my 454 Please Help
  123. 91 Octane or 93 Octane w/ Ethanol?
  124. drive swap info
  125. 496ho high idle? please help
  126. Question???
  127. Running lights/Blower causing boat to run like crap
  128. Anyone have troubles with Morel hydraulics?
  129. 575sci with intercooler and 871 upgrade
  130. JL 770 question
  131. pwr strng pump
  132. Motor Surging
  133. Low Compression #4 and #6
  134. Average build time for engine?
  135. Rebuild 502 or repower with 525
  136. MSD Distibutor HELP!!!
  137. More from a 350 mag
  138. Painting my Imco Extension Boxes.....
  139. Old dried up fuel tanks
  140. engine RPM with 25 mirage plus
  141. Need a part description & where to find?
  142. Timing help
  143. gen 6 502's what are they worth/trade
  144. can't get over 3000 rpms on starboard motor
  145. Fuel additive...yay or nay???
  146. timming jumping all over
  147. zero effort shifter cable installation
  148. engine help
  149. 6.2 bearing failures
  150. 454 mpi ps pump
  151. 496 alam every minute
  152. question about drives and lower units
  153. One engine down on RPM at wot
  154. Mercruiser Slow Acceleration Only
  155. Battery Draining
  156. what oilpan for 383 stroker, stock is hitting !!
  157. how much hp 454
  158. Mercury 600sc stalls when shifting imco sc drive
  159. Power Steering turns left, but very hard to turn right??
  160. Best Method for Charging Batteries?
  161. Water Pressure Guage Doesn't Work?
  162. Fuel fill line
  163. Boat pulling to left
  164. xr cavatation plates
  165. 525 vs 496- How many Hours until rebuild?
  166. Fuel Problems. what am i looking at?
  167. Cut filter, have questions
  168. Livorsi Speedo, Garmin antenna
  169. Loss of power/engine coughs then dies
  170. New 525 efi overheating
  171. need muffler
  172. anyone know where to get brass freeze plugs for a 502 ?
  173. engine parts
  174. 598 thoughts please
  175. alternator wiring help
  176. 525 EFI plug fouling
  177. Where to START! Breaker keeps flipping OFF
  178. rooster tail
  179. Timing Issues
  180. trims wont work seperatly
  181. Thanks again RAYLAR
  182. white sludge / film underside valve covers
  183. Holly Carbs New Models
  184. Looking for 2000 Wellcraft Excalibur Windshield
  185. Have you ever had to adjust the camber on your trailer axles?
  186. Pcv sizes
  187. Help! Sneezing and popping coming on to plane.
  188. scanner and workshop manuals
  189. Ignition timing
  190. oil cooler pluming
  191. cut back risers?
  192. Need ideas on how to mount wind deflectors
  193. Trim Tabs drawing power when idle
  194. Timing a Thunderbolt ignition question.
  195. Gps
  196. Mercury systemview trim indicator function
  197. How many hours is a lot on a merc 454?
  198. Tune-up on 7.4 MAG
  199. Running Hot-Help, I need to fix this tomorrow morning!
  200. Gaffrig GPS speedo intermittantly working
  201. p/s pump fitting??
  202. 502zz cam w/ 496 manifolds
  203. 454 Mag Timing
  204. Cam question for water reversion
  205. DPX problem.
  206. How to I.D. Ignition?
  207. TB IV and msd blue box
  208. how much are these motors worth??
  209. water reversion ?
  210. Help With Gauges - Tach Works Randomly
  211. Why so many bb's vs. sb with procharger??
  212. Frozen 500efi... Now i guess i get to build a new one;-)
  213. 25 sunsation impeller change ??
  214. Charging issues
  215. How is water getting in the cylinders of my 496Mag?!?!
  216. Hydraulic hatch cover wont lift *formula boat
  217. gas gauge quit working
  218. Synthetic for an older motor?
  219. Best Oil for a Merlin long Block 540??
  220. Adding 2 stereo batteries
  221. 97 454 Mag stock oil pressure?
  222. alpha one whining
  223. powerglides with twin diesels?
  224. 575sci Intermittant RPM hesitation??
  225. Gauges ??
  226. Oil pressure gauge fluctuating above 3000rpm!!!!
  227. Broken Exhaust Valve Guide SBC
  228. Canfield stud girdles?
  229. 502mag and msd tach adapters:
  230. Stand off box, when do you use them, what size of boat?
  231. HP500 16535 Hydraulic Roller Lifters Cross Reference
  232. RPM issues
  233. oil sandwich adapter
  234. bat boost components
  235. 525SC Stock Jetting?
  236. HP500 Headers and bored over jetting change?
  237. Stock Chevy 454 Timing.
  238. replaced tbolt v with d.u.i. and cant get tach to work
  239. Reverse Rotation Engine
  240. Tb Iv - Help!!!
  241. Fuel Pump Mech. GPH ? which one
  242. 454 mag lean? need advice on what to do
  243. Boat position on the trailer and slings usage
  244. Prop Selection Help Needed
  245. Stock factory hydraulic steering arm leaking
  246. J.c. Marine,,,496 Impeller Kit
  247. prop
  248. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  249. Another Holley Idle Thread - I'm at wit's end!
  250. oil temp sensor placement
  251. Missing alarm check - 496 HO
  252. Speedometer not working with IMCO
  253. 502 MPI hard start when cold
  254. 700sci IAC Fault Code
  255. Air Gap Intake Manifold
  256. How to tap 502mpi fuel rail?
  257. Can't get engine to warm up.
  258. Captain's choice wont stay open
  259. oil line size
  260. 502 -99 wich gasket?
  261. water in oil 454
  262. Constant tension hose clamps
  263. Outdrive Jacks and Stands
  264. msd problems
  265. Exhaust Diverters
  266. Oil T-stat selection and plumbing
  267. Valve guides for Mercury Racing 525 EFI
  268. X-Dimension Help
  269. 4.3 missing
  270. 496 Poppin through exhaust
  271. Blower motor
  272. 502 Ecm
  273. K K Tab Cables???
  274. Ran above 4000 rpm, overheated
  275. Scx Oil
  276. Arneson single cylinder steering
  277. What size/brand line on your box anchor?
  278. New Sarter Motor Or?
  279. batterys
  280. Any idea where these wires go
  281. Bennett Tabs?
  282. bimini top
  283. Special relay for engine hatch actuator???
  284. thermostat housing issues..
  285. Urgent!! Please Read!!
  286. 500 efi rough idle- surge
  287. fuel pressure problem ?
  288. Max HP for Stainless Marine Exhaust
  289. short block or complete???
  290. 525s vs 700
  291. Did I Undercarb my 489?
  292. Seating Capacity 87 Nova III?
  293. 525 Timing Adjustment
  294. B 1 drivr to a XR
  295. Carb/Fuel pump Help
  296. K&N VS. Gaffrig style
  297. Fuel Problem
  298. whats less room on a blower motorI am
  299. Trim Pump Dipstick??
  300. rubber flooring
  301. 502 mpi Fuel Pressure- need help
  302. Steering Helm replacement
  303. Black full cover How Hot?
  304. were to buy new cockpit cover
  305. hp 500 carb jet sizes??
  306. Steering control valve, Saginaw valve
  307. Busted Trim Tab plane
  308. 454 gen 6 H
  309. roller rockers and tall valve covers
  310. 420 Mega Blower B&M
  311. smartcraft
  312. 27 Series Deep Cycle for starting
  313. Baja 250 sport engine throttle cable question.
  314. Plug wires
  315. Converting from 502efi to 525EFI
  316. Can somebody tell me what part I need?
  317. heads? cam? small block stroker build
  318. Costs to rebuild Upper drive Bravo One X?
  319. Wire Size
  320. merc fuel cool system
  321. 525 Problems
  322. Shifter/throttle help
  323. 3X18 Oil Cooler Help
  324. 1987 Baja 240 Sport Hatch Lift
  325. k-plane mounting
  326. Priming Oil Pump
  327. Anyone heard of Xtreme Custom Boats??
  328. Any Jet Boat Techs Here?
  329. What in a Holley carb would cause a mid range miss?
  330. 525 sc Thermostat
  331. Livoris to Garmin
  332. Needed Vst Pump Asap
  333. where to be 140 Thermostat 7.4 mpi 1999
  334. Rebuilding A 525 Efi
  335. Carb size
  336. Fixed vapor lock 454mag mpi's with VST
  337. Mechanical Oil Pressure Gauge
  338. Mercury "O" ring sealant ?
  339. batterys
  340. Best Battery Setup??!!
  341. Fuel mileage 454?
  342. Gen VI 500hp
  343. Hawk 525sc oval port intake with rectangle heads
  344. 502 Mpi Problems Help!!!!!!!!
  345. HP nearly stalls when throttled back to idle
  346. Cmi Etops
  347. who makes a trans for torque 1375 hp
  348. props
  349. need help choosing prop for baja sport 250 with 450hp
  350. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  351. steering wheel out of center
  352. Holly Marine fuel pumps.
  353. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  354. Idle adjustment
  355. Baja 240 rpm question
  356. teach me about tunnel tabs...
  357. Help with Merc 5.0 cooling issue
  358. 496 HO Oil in coolant issue
  359. 496 HO Warning buzzer issue
  360. stepping The hull
  361. 825 mighty marine demon
  362. sea doo techs??
  363. K-planes
  364. 496 H.O. and Boost pump
  365. drive couplier
  366. mercruiser lower shift cable
  367. VHF Radio
  368. Exhaust Temp
  369. broken motor mount bolt
  370. engine builder or mechanic in ct
  371. temperature problems
  372. 502 MPI hard start, water temps, steam, riser temps ???
  373. hp 500 carb leaking at throttle shaft
  374. holey or bg demond
  375. holey carb gurus
  376. 525 EFI Service intervals -When and what is recommended
  377. How much water presure is to much ?
  378. Whipple intake manifold.....huh?
  379. Best Engines :-) BPM or Crusader ?
  380. 502 hole in piston, oil everywhere
  381. Intermitent whine around 3000 rpm
  382. Engine Serial Number
  383. Corsa Q&Q+ trouble shooting
  384. Power steering weak??
  385. Vibration / U-Joint / Gimbal question - BIII
  386. Trim Tab Size Question
  387. 496 Mag Rich at Idle & Feels weak over 4k
  388. Floating Boathouse
  389. Nose Bleed Supercharger Boaters?
  390. 502 mpi Fuel Pressure Regulator Question
  391. Idle RPM
  392. 525SC Spark Plugs
  393. 87 Pachanga 22 props anyone?
  394. Newbie Outboard/GelCoat Question?
  395. 502mpi Vapor Lock
  396. Power Steering/ Steering Cable???
  397. steering ram size question
  398. Bill Gibbs Racing Oil
  399. Fuel pump oil
  400. Flushing out impeller pieces?
  401. Can't get the Alternator off
  402. Repower 2 x 36ft Spectres
  403. 10% Ethanol enhanced Fuel in my 525SC
  404. 500 efi alternator?
  405. 500 EFI recirculating pump
  406. cost to polish imco lower?
  407. Raylar Heads and Dana Exhaust
  408. Bravo Drives moving upon acceleration
  409. need help: breaking up, loosing rpm when running hard
  410. Recommended oil cooler size?
  411. Holley Carb Tuning
  412. what oil to use
  413. Port Tach jumping around
  414. Known problems and solutions
  415. Throwing accessorie drive V belts
  416. subwoofer box in rear bench and speakers
  417. Silent Choice Wiring
  418. Engines cross cranking
  419. Help new engine has a miss in the 3800-5000rpm range
  420. Forumla for Horsepower estimate???
  421. Oil Temp, What is normal or acceptable
  422. 496 ho over heating
  423. steering issuess
  424. Bravo Drive trims up, not down.
  425. ECU - Arizonia Speed & Marine
  426. 496 HO wont run, help!!!
  427. holley mech fuel pump
  428. 500HP starts missing in rough water conditions only?
  429. NXT1 Dipstick oil leak
  430. Oil temp sensor?
  431. Seawater Pump Belt Problem
  432. Time for new power, what to do?
  433. RPM/temp QUESTION
  434. engine hatch lift
  435. How bad does your boat leak?
  436. 177 blower pulley question??
  437. Best starter for a slightly modified 454?
  438. Shorepower charging
  439. Need blower carbs
  440. Electric Choke not working....
  441. new lenco hp 25x14 tabs
  442. Gaffrig gauges: what do you guys think?
  443. Horsepower Loss do to Wet Exghaust
  444. Jabsco water pump
  445. Livorsi GPS speedo not reading
  446. Oil level weirdness.......
  447. Fuel Pressure 502 mpi?!?!?!?
  448. flyhwheel
  449. Starter noise, but does not turn over.
  450. Stellings Box on 25 OL.....issues....
  451. Do all cats porpoise?????
  452. Smartcraft Guage problem
  453. Outboard Question?
  454. Help me start this 502!
  455. Exhaust Set Up Dif From 9.8 Block To 10.2
  456. 502 Balancer
  457. fuel pump vent hose
  458. Trailering clips for TRS
  459. Best conventional straight weight for a 700 Hp engine
  460. 600sci stage 2 probs
  461. Mechanical trim indicators are sticking!!! Help please!!!
  462. Fuel Problem ?
  463. Apache font
  464. Carb to MPI swap (gen iv)
  465. Change springs on HP500
  466. powersteering pump ?
  467. Ignition Fuse
  468. 1990 Black Widow coming along
  469. Msd Billet Distributor
  470. Inverter ground
  471. Restrictor in Prochgr FMU Vac Line, Why?
  472. How much drive oil in the sea water/fuel pump resevoir?
  473. Upholstery Question!
  474. thermostat housing/exhaust/hose routing questions
  475. Ever hear of a Brady Valve (vaporlock)
  476. Thackery spring
  477. merc racing pcm upgrades
  478. Starter Slave Solenoid Location -- 500 EFI
  479. repair a trim cylinder?
  480. Bad fuel pump?
  481. wire questions on 502 mpi
  482. 330 breaking up at 4200
  483. Can you guys use ZZ502's?
  484. Steering getting stuck when turned all the way left???
  485. omc ford 460 coupler
  486. Plug wires
  487. Compression Specs...
  488. O2 sensor - need install location
  489. props
  490. Need headers for 10:1 540EFI
  491. decent cd player for the $
  492. Intercoms
  493. 2000 454 Mag Mpi Starter Issues
  494. basic holley carb tuning question
  495. Gas Tank Pickup tube
  496. Drive trim Question???
  497. Oil cooler recommendation HP500
  498. Need advise on mounting anew compass
  499. Any thoughts of All American Drive Service?
  500. 525SC Clone Upgrades