View Full Version : General Q & A




  1. New boat, flush questions
  2. Fuel Pump/Fuel Problem
  3. Envision 3200 XS questions
  4. water in Valve cover and Cylinder #1
  5. Need help with an alpha I gen II drive
  6. motor stays running with key off
  7. 454 Build up
  8. milk and reversion
  9. power steering
  10. Popping out the exhaust
  11. fuel pump(s) for 1000/1200hp...help.
  12. Tach Wiring Question
  13. Gauges help needed
  14. oil temp sending unit on Fountain
  15. motor running rough threw code cam sensor fail
  16. What Color is your Drive Oil
  17. Radio issue...
  18. Dextron III in a Velvet Drive...?
  19. 350 Mag Services Manual
  20. New 489 Blown Head Gasket After 2 hrs run time
  21. Blown Head Gasket After 2 hrs run time
  22. how much to build a 496 stroker?
  23. Fuel Regulator Placement??
  24. Any Landscapers around, got a trimmer related question?
  25. 496 MAG HO heating problem
  26. Fuse for accesory power outlet plug
  27. push button shift on Merc trans
  28. how do i post pics
  29. Temperature problem with 454mpi
  30. Can You Convert A 1994 502 Magnum To Carb?
  31. Problem 496 MAG HO with whipple
  32. computer/ecu no good? 502 mag. help please!!
  33. Erratic oil pressure above 4300RPM
  34. stuck engine hatch on 32 fountain fever
  35. New bilge pump not working
  36. Outboard stalls after hot restart
  37. Drive Oil Analysis Lab
  38. GPS question
  39. Ballast Tank Question
  40. Fire Extinguisher ?
  41. 1994 502 Magnum Runing On 4 Cylinders
  42. holley electric fuel pumps
  43. Which HP500 intake gaskets
  44. bad vibration when turning or with the drive tucked in all the way?
  45. Livorsi Speedo quit
  46. Trim tab Indicator
  47. purchacing dry exhaust
  48. New engine tuning
  49. trim limit help please
  50. quicksilver shifter ?
  51. Merc 502... Can I just use a truck starter or is it not the same?
  52. Lake Cumberland
  53. Water pressure guage on closed cooling 525
  54. Gaffrig tach calibration
  55. anode question
  56. Bunk Carpet
  57. Gel coat supplier
  58. Thunderbolt ignition tach wire.
  59. Mufflers for Dry Exhaust
  60. Fuel Pressure Problems
  61. What should fuel pressure be?
  62. Is there an adapter to put 5" hose on a 4" tailpipe?
  63. Timing on a supercharged small block
  64. Bennett trim tab help please
  65. Wema fuel level sender trouble
  66. valve lash
  67. Problem with my 454 Please Help
  68. 91 Octane or 93 Octane w/ Ethanol?
  69. drive swap info
  70. 496ho high idle? please help
  71. Question???
  72. Running lights/Blower causing boat to run like crap
  73. Anyone have troubles with Morel hydraulics?
  74. 575sci with intercooler and 871 upgrade
  75. JL 770 question
  76. pwr strng pump
  77. Motor Surging
  78. Low Compression #4 and #6
  79. Average build time for engine?
  80. Rebuild 502 or repower with 525
  81. MSD Distibutor HELP!!!
  82. More from a 350 mag
  83. Painting my Imco Extension Boxes.....
  84. Old dried up fuel tanks
  85. engine RPM with 25 mirage plus
  86. Need a part description & where to find?
  87. Timing help
  88. gen 6 502's what are they worth/trade
  89. can't get over 3000 rpms on starboard motor
  90. Fuel additive...yay or nay???
  91. timming jumping all over
  92. zero effort shifter cable installation
  93. engine help
  94. 6.2 bearing failures
  95. 454 mpi ps pump
  96. 496 alam every minute
  97. question about drives and lower units
  98. One engine down on RPM at wot
  99. Mercruiser Slow Acceleration Only
  100. Battery Draining
  101. what oilpan for 383 stroker, stock is hitting !!
  102. how much hp 454
  103. Mercury 600sc stalls when shifting imco sc drive
  104. Power Steering turns left, but very hard to turn right??
  105. Best Method for Charging Batteries?
  106. Water Pressure Guage Doesn't Work?
  107. Fuel fill line
  108. Boat pulling to left
  109. xr cavatation plates
  110. 525 vs 496- How many Hours until rebuild?
  111. Fuel Problems. what am i looking at?
  112. Cut filter, have questions
  113. Livorsi Speedo, Garmin antenna
  114. Loss of power/engine coughs then dies
  115. New 525 efi overheating
  116. need muffler
  117. anyone know where to get brass freeze plugs for a 502 ?
  118. engine parts
  119. 598 thoughts please
  120. alternator wiring help
  121. 525 EFI plug fouling
  122. Where to START! Breaker keeps flipping OFF
  123. rooster tail
  124. Timing Issues
  125. trims wont work seperatly
  126. Thanks again RAYLAR
  127. white sludge / film underside valve covers
  128. Holly Carbs New Models
  129. Looking for 2000 Wellcraft Excalibur Windshield
  130. Have you ever had to adjust the camber on your trailer axles?
  131. Pcv sizes
  132. Help! Sneezing and popping coming on to plane.
  133. scanner and workshop manuals
  134. Ignition timing
  135. oil cooler pluming
  136. cut back risers?
  137. Need ideas on how to mount wind deflectors
  138. Trim Tabs drawing power when idle
  139. Timing a Thunderbolt ignition question.
  140. Gps
  141. Mercury systemview trim indicator function
  142. How many hours is a lot on a merc 454?
  143. Tune-up on 7.4 MAG
  144. Running Hot-Help, I need to fix this tomorrow morning!
  145. Gaffrig GPS speedo intermittantly working
  146. p/s pump fitting??
  147. 502zz cam w/ 496 manifolds
  148. 454 Mag Timing
  149. Cam question for water reversion
  150. DPX problem.
  151. How to I.D. Ignition?
  152. TB IV and msd blue box
  153. how much are these motors worth??
  154. water reversion ?
  155. Help With Gauges - Tach Works Randomly
  156. Why so many bb's vs. sb with procharger??
  157. Frozen 500efi... Now i guess i get to build a new one;-)
  158. 25 sunsation impeller change ??
  159. Charging issues
  160. How is water getting in the cylinders of my 496Mag?!?!
  161. Hydraulic hatch cover wont lift *formula boat
  162. gas gauge quit working
  163. Synthetic for an older motor?
  164. Best Oil for a Merlin long Block 540??
  165. Adding 2 stereo batteries
  166. 97 454 Mag stock oil pressure?
  167. alpha one whining
  168. powerglides with twin diesels?
  169. 575sci Intermittant RPM hesitation??
  170. Gauges ??
  171. Oil pressure gauge fluctuating above 3000rpm!!!!
  172. Broken Exhaust Valve Guide SBC
  173. Canfield stud girdles?
  174. 502mag and msd tach adapters:
  175. Stand off box, when do you use them, what size of boat?
  176. HP500 16535 Hydraulic Roller Lifters Cross Reference
  177. RPM issues
  178. oil sandwich adapter
  179. bat boost components
  180. 525SC Stock Jetting?
  181. HP500 Headers and bored over jetting change?
  182. Stock Chevy 454 Timing.
  183. replaced tbolt v with d.u.i. and cant get tach to work
  184. Reverse Rotation Engine
  185. Tb Iv - Help!!!
  186. Fuel Pump Mech. GPH ? which one
  187. 454 mag lean? need advice on what to do
  188. Boat position on the trailer and slings usage
  189. Prop Selection Help Needed
  190. Stock factory hydraulic steering arm leaking
  191. J.c. Marine,,,496 Impeller Kit
  192. prop
  193. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  194. Another Holley Idle Thread - I'm at wit's end!
  195. oil temp sensor placement
  196. Missing alarm check - 496 HO
  197. Speedometer not working with IMCO
  198. 502 MPI hard start when cold
  199. 700sci IAC Fault Code
  200. Air Gap Intake Manifold
  201. How to tap 502mpi fuel rail?
  202. Can't get engine to warm up.
  203. Captain's choice wont stay open
  204. oil line size
  205. 502 -99 wich gasket?
  206. water in oil 454
  207. Constant tension hose clamps
  208. Outdrive Jacks and Stands
  209. msd problems
  210. Exhaust Diverters
  211. Oil T-stat selection and plumbing
  212. Valve guides for Mercury Racing 525 EFI
  213. X-Dimension Help
  214. 4.3 missing
  215. 496 Poppin through exhaust
  216. Blower motor
  217. 502 Ecm
  218. K K Tab Cables???
  219. Ran above 4000 rpm, overheated
  220. Scx Oil
  221. Arneson single cylinder steering
  222. What size/brand line on your box anchor?
  223. New Sarter Motor Or?
  224. batterys
  225. Any idea where these wires go
  226. Bennett Tabs?
  227. bimini top
  228. Special relay for engine hatch actuator???
  229. thermostat housing issues..
  230. Urgent!! Please Read!!
  231. 500 efi rough idle- surge
  232. fuel pressure problem ?
  233. Max HP for Stainless Marine Exhaust
  234. short block or complete???
  235. 525s vs 700
  236. Did I Undercarb my 489?
  237. Seating Capacity 87 Nova III?
  238. 525 Timing Adjustment
  239. B 1 drivr to a XR
  240. Carb/Fuel pump Help
  241. K&N VS. Gaffrig style
  242. Fuel Problem
  243. whats less room on a blower motorI am
  244. Trim Pump Dipstick??
  245. rubber flooring
  246. 502 mpi Fuel Pressure- need help
  247. Steering Helm replacement
  248. Black full cover How Hot?
  249. were to buy new cockpit cover
  250. hp 500 carb jet sizes??
  251. Steering control valve, Saginaw valve
  252. Busted Trim Tab plane
  253. 454 gen 6 H
  254. roller rockers and tall valve covers
  255. 420 Mega Blower B&M
  256. smartcraft
  257. 27 Series Deep Cycle for starting
  258. Baja 250 sport engine throttle cable question.
  259. Plug wires
  260. Converting from 502efi to 525EFI
  261. Can somebody tell me what part I need?
  262. heads? cam? small block stroker build
  263. Costs to rebuild Upper drive Bravo One X?
  264. Wire Size
  265. merc fuel cool system
  266. 525 Problems
  267. Shifter/throttle help
  268. 3X18 Oil Cooler Help
  269. 1987 Baja 240 Sport Hatch Lift
  270. k-plane mounting
  271. Priming Oil Pump
  272. Anyone heard of Xtreme Custom Boats??
  273. Any Jet Boat Techs Here?
  274. What in a Holley carb would cause a mid range miss?
  275. 525 sc Thermostat
  276. Livoris to Garmin
  277. Needed Vst Pump Asap
  278. where to be 140 Thermostat 7.4 mpi 1999
  279. Rebuilding A 525 Efi
  280. Carb size
  281. Fixed vapor lock 454mag mpi's with VST
  282. Mechanical Oil Pressure Gauge
  283. Mercury "O" ring sealant ?
  284. batterys
  285. Best Battery Setup??!!
  286. Fuel mileage 454?
  287. Gen VI 500hp
  288. Hawk 525sc oval port intake with rectangle heads
  289. 502 Mpi Problems Help!!!!!!!!
  290. HP nearly stalls when throttled back to idle
  291. Cmi Etops
  292. who makes a trans for torque 1375 hp
  293. props
  294. need help choosing prop for baja sport 250 with 450hp
  295. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  296. steering wheel out of center
  297. Holly Marine fuel pumps.
  298. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  299. Idle adjustment
  300. Baja 240 rpm question
  301. teach me about tunnel tabs...
  302. Help with Merc 5.0 cooling issue
  303. 496 HO Oil in coolant issue
  304. 496 HO Warning buzzer issue
  305. stepping The hull
  306. 825 mighty marine demon
  307. sea doo techs??
  308. K-planes
  309. 496 H.O. and Boost pump
  310. drive couplier
  311. mercruiser lower shift cable
  312. VHF Radio
  313. Exhaust Temp
  314. broken motor mount bolt
  315. engine builder or mechanic in ct
  316. temperature problems
  317. 502 MPI hard start, water temps, steam, riser temps ???
  318. hp 500 carb leaking at throttle shaft
  319. holey or bg demond
  320. holey carb gurus
  321. 525 EFI Service intervals -When and what is recommended
  322. How much water presure is to much ?
  323. Whipple intake manifold.....huh?
  324. Best Engines :-) BPM or Crusader ?
  325. 502 hole in piston, oil everywhere
  326. Intermitent whine around 3000 rpm
  327. Engine Serial Number
  328. Corsa Q&Q+ trouble shooting
  329. Power steering weak??
  330. Vibration / U-Joint / Gimbal question - BIII
  331. Trim Tab Size Question
  332. 496 Mag Rich at Idle & Feels weak over 4k
  333. Floating Boathouse
  334. Nose Bleed Supercharger Boaters?
  335. 502 mpi Fuel Pressure Regulator Question
  336. Idle RPM
  337. 525SC Spark Plugs
  338. 87 Pachanga 22 props anyone?
  339. Newbie Outboard/GelCoat Question?
  340. 502mpi Vapor Lock
  341. Power Steering/ Steering Cable???
  342. steering ram size question
  343. Bill Gibbs Racing Oil
  344. Fuel pump oil
  345. Flushing out impeller pieces?
  346. Can't get the Alternator off
  347. Repower 2 x 36ft Spectres
  348. 10% Ethanol enhanced Fuel in my 525SC
  349. 500 efi alternator?
  350. 500 EFI recirculating pump
  351. cost to polish imco lower?
  352. Raylar Heads and Dana Exhaust
  353. Bravo Drives moving upon acceleration
  354. need help: breaking up, loosing rpm when running hard
  355. Recommended oil cooler size?
  356. Holley Carb Tuning
  357. what oil to use
  358. Port Tach jumping around
  359. Known problems and solutions
  360. Throwing accessorie drive V belts
  361. subwoofer box in rear bench and speakers
  362. Silent Choice Wiring
  363. Engines cross cranking
  364. Help new engine has a miss in the 3800-5000rpm range
  365. Forumla for Horsepower estimate???
  366. Oil Temp, What is normal or acceptable
  367. 496 ho over heating
  368. steering issuess
  369. Bravo Drive trims up, not down.
  370. ECU - Arizonia Speed & Marine
  371. 496 HO wont run, help!!!
  372. holley mech fuel pump
  373. 500HP starts missing in rough water conditions only?
  374. NXT1 Dipstick oil leak
  375. Oil temp sensor?
  376. Seawater Pump Belt Problem
  377. Time for new power, what to do?
  378. RPM/temp QUESTION
  379. engine hatch lift
  380. How bad does your boat leak?
  381. 177 blower pulley question??
  382. Best starter for a slightly modified 454?
  383. Shorepower charging
  384. Need blower carbs
  385. Electric Choke not working....
  386. new lenco hp 25x14 tabs
  387. Gaffrig gauges: what do you guys think?
  388. Horsepower Loss do to Wet Exghaust
  389. Jabsco water pump
  390. Livorsi GPS speedo not reading
  391. Oil level weirdness.......
  392. Fuel Pressure 502 mpi?!?!?!?
  393. flyhwheel
  394. Starter noise, but does not turn over.
  395. Stellings Box on 25 OL.....issues....
  396. Do all cats porpoise?????
  397. Smartcraft Guage problem
  398. Outboard Question?
  399. Help me start this 502!
  400. Exhaust Set Up Dif From 9.8 Block To 10.2
  401. 502 Balancer
  402. fuel pump vent hose
  403. Trailering clips for TRS
  404. Best conventional straight weight for a 700 Hp engine
  405. 600sci stage 2 probs
  406. Mechanical trim indicators are sticking!!! Help please!!!
  407. Fuel Problem ?
  408. Apache font
  409. Carb to MPI swap (gen iv)
  410. Change springs on HP500
  411. powersteering pump ?
  412. Ignition Fuse
  413. 1990 Black Widow coming along
  414. Msd Billet Distributor
  415. Inverter ground
  416. Restrictor in Prochgr FMU Vac Line, Why?
  417. How much drive oil in the sea water/fuel pump resevoir?
  418. Upholstery Question!
  419. thermostat housing/exhaust/hose routing questions
  420. Ever hear of a Brady Valve (vaporlock)
  421. Thackery spring
  422. merc racing pcm upgrades
  423. Starter Slave Solenoid Location -- 500 EFI
  424. repair a trim cylinder?
  425. Bad fuel pump?
  426. wire questions on 502 mpi
  427. 330 breaking up at 4200
  428. Can you guys use ZZ502's?
  429. Steering getting stuck when turned all the way left???
  430. omc ford 460 coupler
  431. Plug wires
  432. Compression Specs...
  433. O2 sensor - need install location
  434. props
  435. Need headers for 10:1 540EFI
  436. decent cd player for the $
  437. Intercoms
  438. 2000 454 Mag Mpi Starter Issues
  439. basic holley carb tuning question
  440. Gas Tank Pickup tube
  441. Drive trim Question???
  442. Oil cooler recommendation HP500
  443. Need advise on mounting anew compass
  444. Any thoughts of All American Drive Service?
  445. 525SC Clone Upgrades
  446. Cooking Gear Lube
  447. Fountain Ballast Tank?
  448. Best Headers?
  449. HP 500 (carb) upgrade options
  450. 38 fountain lightning vibration!!
  451. ??? Blown bravo one drive
  452. Alarm Sounding
  453. 500 EFI starting issue
  454. 502 mpi problem!!! HELP!!!!!
  455. Looks like I need a sea water pump; anyone have one?
  456. Oil leak on BBC
  457. White smoke from port exhaust
  458. Aeromotive fuel pump pressure drop?
  459. can i use a automotive water pump for circulation?
  460. Trim Switch
  461. choke problem ( I think )
  462. 502mpi ps/oil coolers set up on 496 build
  463. biloxy talkoffshore
  464. Stainless Marine OR EMI Replacement For Stock Exhaust Manifolds
  465. prop selection
  466. EMI thunder thread on bolts
  467. Both motors, #5 exhaust valve N/G
  468. mercruiser mpi wont start
  469. 500hp valve spring replacement
  470. corsa, 1 not opening completely?
  471. WIX Racing Oil Filters
  472. 500 hp short block
  473. Bad day on the water for 1 motor
  474. RPM loss on engine rebuild
  475. Does Livorsi still make the post style connection?
  476. Help needed fast intercooler
  477. Merc 500HP "Blue Motor" Cam & Heads
  478. GEN VI flywheel info needed
  479. x dimention
  480. Tubes on drives to induce cavitation
  481. Steering, Has anyone installed the Teleflex HPS rotary helm?
  482. Fresh water flush questions
  483. Bravo 1 forward- reverse clip question
  484. Digital Gaffrig Gps
  485. Steering Question
  486. exhaust muffler tip question?
  487. Exhaust Extention Questions
  488. Trim display outside your normal trim angle
  489. E3 Plugs?
  490. Question about cast iron exhaust and changing risers
  491. choice of 2 cams
  492. K-Plane and Trim pump fluid.
  493. Bravo X vs XR
  494. Help--got Gas??
  495. No Voltage to Port
  496. prop shaft wobble bravo 1
  497. Water temperature for 6.2 liter mercruiser
  498. 10' gw invader
  499. Question for the carb Guru's
  500. 92 Nova Steering Wheel Replacement