View Full Version : General Q & A




  1. Best Engines :-) BPM or Crusader ?
  2. 502 hole in piston, oil everywhere
  3. Intermitent whine around 3000 rpm
  4. Engine Serial Number
  5. Corsa Q&Q+ trouble shooting
  6. Power steering weak??
  7. Vibration / U-Joint / Gimbal question - BIII
  8. Trim Tab Size Question
  9. 496 Mag Rich at Idle & Feels weak over 4k
  10. Floating Boathouse
  11. Nose Bleed Supercharger Boaters?
  12. 502 mpi Fuel Pressure Regulator Question
  13. Idle RPM
  14. 525SC Spark Plugs
  15. 87 Pachanga 22 props anyone?
  16. Newbie Outboard/GelCoat Question?
  17. 502mpi Vapor Lock
  18. Power Steering/ Steering Cable???
  19. steering ram size question
  20. Bill Gibbs Racing Oil
  21. Fuel pump oil
  22. Flushing out impeller pieces?
  23. Can't get the Alternator off
  24. Repower 2 x 36ft Spectres
  25. 10% Ethanol enhanced Fuel in my 525SC
  26. 500 efi alternator?
  27. 500 EFI recirculating pump
  28. cost to polish imco lower?
  29. Raylar Heads and Dana Exhaust
  30. Bravo Drives moving upon acceleration
  31. need help: breaking up, loosing rpm when running hard
  32. Recommended oil cooler size?
  33. Holley Carb Tuning
  34. what oil to use
  35. Port Tach jumping around
  36. Known problems and solutions
  37. Throwing accessorie drive V belts
  38. subwoofer box in rear bench and speakers
  39. Silent Choice Wiring
  40. Engines cross cranking
  41. Help new engine has a miss in the 3800-5000rpm range
  42. Forumla for Horsepower estimate???
  43. Oil Temp, What is normal or acceptable
  44. 496 ho over heating
  45. steering issuess
  46. Bravo Drive trims up, not down.
  47. ECU - Arizonia Speed & Marine
  48. 496 HO wont run, help!!!
  49. holley mech fuel pump
  50. 500HP starts missing in rough water conditions only?
  51. NXT1 Dipstick oil leak
  52. Oil temp sensor?
  53. Seawater Pump Belt Problem
  54. Time for new power, what to do?
  55. RPM/temp QUESTION
  56. engine hatch lift
  57. How bad does your boat leak?
  58. 177 blower pulley question??
  59. Best starter for a slightly modified 454?
  60. Shorepower charging
  61. Need blower carbs
  62. Electric Choke not working....
  63. new lenco hp 25x14 tabs
  64. Gaffrig gauges: what do you guys think?
  65. Horsepower Loss do to Wet Exghaust
  66. Jabsco water pump
  67. Livorsi GPS speedo not reading
  68. Oil level weirdness.......
  69. Fuel Pressure 502 mpi?!?!?!?
  70. flyhwheel
  71. Starter noise, but does not turn over.
  72. Stellings Box on 25 OL.....issues....
  73. Do all cats porpoise?????
  74. Smartcraft Guage problem
  75. Outboard Question?
  76. Help me start this 502!
  77. Exhaust Set Up Dif From 9.8 Block To 10.2
  78. 502 Balancer
  79. fuel pump vent hose
  80. Trailering clips for TRS
  81. Best conventional straight weight for a 700 Hp engine
  82. 600sci stage 2 probs
  83. Mechanical trim indicators are sticking!!! Help please!!!
  84. Fuel Problem ?
  85. Apache font
  86. Carb to MPI swap (gen iv)
  87. Change springs on HP500
  88. powersteering pump ?
  89. Ignition Fuse
  90. 1990 Black Widow coming along
  91. Msd Billet Distributor
  92. Inverter ground
  93. Restrictor in Prochgr FMU Vac Line, Why?
  94. How much drive oil in the sea water/fuel pump resevoir?
  95. Upholstery Question!
  96. thermostat housing/exhaust/hose routing questions
  97. Ever hear of a Brady Valve (vaporlock)
  98. Thackery spring
  99. merc racing pcm upgrades
  100. Starter Slave Solenoid Location -- 500 EFI
  101. repair a trim cylinder?
  102. Bad fuel pump?
  103. wire questions on 502 mpi
  104. 330 breaking up at 4200
  105. Can you guys use ZZ502's?
  106. Steering getting stuck when turned all the way left???
  107. omc ford 460 coupler
  108. Plug wires
  109. Compression Specs...
  110. O2 sensor - need install location
  111. props
  112. Need headers for 10:1 540EFI
  113. decent cd player for the $
  114. Intercoms
  115. 2000 454 Mag Mpi Starter Issues
  116. basic holley carb tuning question
  117. Gas Tank Pickup tube
  118. Drive trim Question???
  119. Oil cooler recommendation HP500
  120. Need advise on mounting anew compass
  121. Any thoughts of All American Drive Service?
  122. 525SC Clone Upgrades
  123. Cooking Gear Lube
  124. Fountain Ballast Tank?
  125. Best Headers?
  126. HP 500 (carb) upgrade options
  127. 38 fountain lightning vibration!!
  128. ??? Blown bravo one drive
  129. Alarm Sounding
  130. 500 EFI starting issue
  131. 502 mpi problem!!! HELP!!!!!
  132. Looks like I need a sea water pump; anyone have one?
  133. Oil leak on BBC
  134. White smoke from port exhaust
  135. Aeromotive fuel pump pressure drop?
  136. can i use a automotive water pump for circulation?
  137. Trim Switch
  138. choke problem ( I think )
  139. 502mpi ps/oil coolers set up on 496 build
  140. biloxy talkoffshore
  141. Stainless Marine OR EMI Replacement For Stock Exhaust Manifolds
  142. prop selection
  143. EMI thunder thread on bolts
  144. Both motors, #5 exhaust valve N/G
  145. mercruiser mpi wont start
  146. 500hp valve spring replacement
  147. corsa, 1 not opening completely?
  148. WIX Racing Oil Filters
  149. 500 hp short block
  150. Bad day on the water for 1 motor
  151. RPM loss on engine rebuild
  152. Does Livorsi still make the post style connection?
  153. Help needed fast intercooler
  154. Merc 500HP "Blue Motor" Cam & Heads
  155. GEN VI flywheel info needed
  156. x dimention
  157. Tubes on drives to induce cavitation
  158. Steering, Has anyone installed the Teleflex HPS rotary helm?
  159. Fresh water flush questions
  160. Bravo 1 forward- reverse clip question
  161. Digital Gaffrig Gps
  162. Steering Question
  163. exhaust muffler tip question?
  164. Exhaust Extention Questions
  165. Trim display outside your normal trim angle
  166. E3 Plugs?
  167. Question about cast iron exhaust and changing risers
  168. choice of 2 cams
  169. K-Plane and Trim pump fluid.
  170. Bravo X vs XR
  171. Help--got Gas??
  172. No Voltage to Port
  173. prop shaft wobble bravo 1
  174. Water temperature for 6.2 liter mercruiser
  175. 10' gw invader
  176. Question for the carb Guru's
  177. 92 Nova Steering Wheel Replacement
  178. need 496 experts again fuel prob?
  179. Gimbal bearing pullers
  180. Upgrades for 2000 7.4 MPI
  181. Intake gaskets
  182. Air hose from valve cover to breather
  183. what is this beeping noise?
  184. warning beep?
  185. 502 Oil filter questions w/HP500 oil Thermostat.
  186. 496ho constant beep
  187. Survey items on 1999 HP 500's?
  188. 42 fountain
  189. bluechart and C-Map
  190. electric fuel pump questions
  191. more Rochester Issues
  192. thermostat 454mag mpi's
  193. Best oil for 502 MPI?
  194. Eliminator Ride guide, new cable or replace with new helm as well?
  195. hulls, are newer hulls faster then older ones, do they change that much?
  196. msd
  197. Valve Cover Gromets
  198. Best option for 5.7 Mag exhaust replacment?
  199. How much HP was left on the table HP 500 C/R
  200. MEFI help needed
  201. CMI E-Top through prop
  202. 496ho warning beep
  203. Carb backfire?
  204. The HP numbers are in
  205. Use big cam and big heads or procharger
  206. Why use a Crossover vs. water pump?
  207. 502 Mpi Not Starting!
  208. Mercury Outboard Wiring Diagrams
  209. oil cooler water flow question
  210. Wood Floors similar to Cigarette Playboy
  211. any info would help
  212. Ride guide, new cable or replace with new helm as well?
  213. Mufflers for dry exhaust?
  214. 498 Stroker almost complete, few more ??
  215. Water Pressure Gauge Hose, what to use?
  216. Head bolts or studs
  217. hp 500 heads
  218. RPM and Thermostat Advice
  219. slave solenoid
  220. Which coolant in a 496 Mag
  221. Water flow and overheating issues
  222. cross overs
  223. leverage wax on new paint?
  224. msd for tach ??
  225. Sea Foam in with the oil 496HO
  226. msd slip collar
  227. Need Reversion Help
  228. 211 liberator with 350 mag engine upgrades
  229. Seawater Pump - Impeller Replacement
  230. Trim Tab problem
  231. 502MPI Oil Temp
  232. Scan tool for 502MPI ?
  233. Help wanted on Sixdrive
  234. VAPOR LOCK #&%! BLOWS (help!)
  235. Prop Slip to High?
  236. Power Steering "stiff" on my 454 Magnum
  237. i need a part number
  238. Coan 2 speed transmission
  239. Octane and compression discussion
  240. removing corrision
  241. 496 Loosing Antifreeze
  242. 502 MPI RPM Issue
  243. 454 Mag buildup
  244. Best Batteries?
  245. Intercom's
  246. Changed flappers to external now water reversion?
  247. Polishing Keith Eickart Exhaust
  248. Brand new k-planes- one sticks when down, HELP
  249. push rods
  250. Merc. 454/ 330 Torque
  251. How high can you safely mount a remote oil filter?
  252. opinon on jet docks
  253. Need help stumped...
  254. Just got a stinger 260 I need some help
  255. Wipple ECM upgrade- 496 Mag HO
  256. Engine compartment LED's
  257. Mcleod Electric Seat Wiring Diagram
  258. hydraulic drive stands
  259. 1985 40' Excalibur...
  260. Depth Finder Wire
  261. Cabin carpet - Dye POSSIBLE
  262. trim cylinder leaking
  263. Livorsi speedo light
  264. Engine builder question Help!!!!!
  265. SBC 350 Mag Exhaust Headers
  266. Help w/ Livorsi tach zeroing @5000rpms
  267. Rear Motor Mount Setup
  268. rods bluing
  269. Whats a good Valve Spg. - Rem./Inst. tool
  270. broken valve stem seals
  271. Holley Marine 830 leaking?
  272. performance fuel pump relay?
  273. Starters
  274. Valve springs
  275. carb spacer or not on dart intake
  276. odd bank of my engine is warmer than the even
  277. Alpha One Gen 2 Water Pump Parts
  278. Broken bolt. Mechanic liable?
  279. 502 flame arrestor
  280. few questions
  281. External Steering question
  282. How to buff and polish with Leverage.
  283. flame arrestor size???
  284. best fuel pump for me
  285. How accurate is the liquid filled speedometers??
  286. building a smal 177l blower motor
  287. Merc Blue Paint. B8110
  288. crossover hoses
  289. ring gap?
  290. Anyone run the Automotive Crane HI-6 box?
  291. Themostat/crossover questions
  292. Pompano Beach Mechanic
  293. spark plugs
  294. Any Snap-on\Mac dealers?
  295. 496 Ho Exhaust Heat Sensor
  296. Painting a DART INTAKE????
  297. Ramco Fuel Filters
  298. OK, new question :)
  299. Dart Intake...Will it work on my 489?
  300. Water sender question
  301. wont pass 1500 rpms and pops all over the place.
  302. Bigger Blowers. How much gain?
  303. Northstar 6000i Problems
  304. Where to buy new rub rail??
  305. 502 rebuild
  306. 496HO Circulation Pump.
  307. Stock Fuel pump max HP
  308. Bench flowing carbs (How I spent my Saturday)
  309. Wont trim up at speed
  310. What causes gas to turn white?
  311. Cats?
  312. Q-Jet hard starting and stalling at idle
  313. BBC oil pump
  314. Carb HP 500 effect of compression ratio on jetting??
  315. Whipple or Raylar: Problem Free or Not?
  316. OHM reading on plug wires
  317. dead boat, used once. :(
  318. Steering
  319. spark plugs engine temp.
  320. Oil Pressure sender for Livorsi Guage.
  321. plug wires
  322. How much HP do you guys think
  323. 406 Still Giving me a hard time.
  324. 94 gen 5 oil filter question
  325. 1985 wellcraft nova ii
  326. k-plane questions-mainly indicators
  327. Anyone running a GPS speedo head off their Garmin GPS output?
  328. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  329. Hot Coil / No Spark EFI
  330. Rear Seat
  331. Livorsi GPS Antena Battery Thread
  332. 1985 Baja 240 Sport
  333. What is this stuff (goop)?
  334. Evapo rust is Magic
  335. k-plane location??
  336. 500 hp 502 Flame Arrestor
  337. Raw water pump mercruiser 7.4
  338. Bravo 1 bearing installation
  339. Thunderbolt IV Timing 383 Stroker
  340. Barnicle REMOVEL Help
  341. K.K. Trim tab (install)
  342. Livorsi GPS Antenna Help
  343. Prop question for my Powerquest Vyper...
  344. Steering wheel alignment
  345. Touchless Cover
  346. M&W Turbo Kits
  347. Auto halon rebuild
  348. who has some merc press. relief valves???
  349. What would your service dept have charged
  350. Questions about installing bravo 1 and transom assembly
  351. Best way to ship a drive?
  352. 496 cooling circuit
  353. wellcraft nova
  354. Sea strainer installation
  355. Blower guys, are you running AFR guages??
  356. Push rod length
  357. dewinterized the boat and it doesnt look good
  358. looking for prop
  359. questions about my 1983 Corsa 31 foot
  360. Fuel injector flow rate
  361. 502 carb jetting help.
  362. Need Help
  363. trailer guide-ons
  364. fuel pressure gauge install
  365. Seawater mounted Fuel pump, what is in, what is out?
  366. Plug Gap and Timing - SBC
  367. 1996 Baja Twin 2002 Hp 500 Efi Help
  368. GPS speedo - no reading
  369. help
  370. Imco 3 port fuel switch
  371. 496 ho.s run very rich
  372. Swapping out Controls
  373. upholstery
  374. porpoising problems 24 superboat with twins
  375. GPS batterys
  376. Is this for a Bravo 1 drive?
  377. Gil exhaust install problem
  378. Go Fast With Some Room?
  379. Thru hull exhaust noise abatement / muffler
  380. Need help ASAP Please with losing power steering twice now
  381. Exhaust block off plate leaking-502 mpi
  382. speedo fluid?
  383. boat lost spped after chiller installed 575Sci's
  384. 454 oil cooler
  385. 502 MPI rocker help
  386. 1993 454 Mag Piston Rings
  387. Arriva Engine Replacement
  388. Pro charger Cooler
  389. Water temps on both motors
  390. Fountain 29' Open Bow Conversion
  391. Bad Lifters - Now what?
  392. Zero Effort Cable Ends
  393. Newbe to go fasts
  394. corsa dash switch
  395. Q-jet jetting
  396. Yet Another Muffler Delima Thread
  397. Wiring in new DC panel
  398. Prop and Header question
  399. Merc 525 EFI injectors
  400. Basic Plug Stuff
  401. Comp Test results + help with diagnosis
  402. trim indicator cable
  403. 12:1 compression ratio
  404. 1994 454 Mag EFI dies randomly at idle speeds
  405. trim tabs for 89 baja sport 250 with around 450hp
  406. 575sci spec?
  407. Quiksilver Digital Diagnostic Terminal ?
  408. Whippled mx 6.2
  409. Preload 1.7 Crane
  410. 454 --> 496 Build Check
  411. 496 ho serpentine belt
  412. 94 502 MPI cam question
  413. 1995 454 mag mpi cuts out
  414. MSD Box w/ a Thunderbolt Distrib ????
  415. bravo trim pump noise
  416. Volvo Penta 5.7l hesitation
  417. North GA Machine Shop Recommendation?
  418. exhaust ????
  419. Bmax Drive Reservoir
  420. carb. rebuild time
  421. Royal Purple Oil Filters
  422. Engine oil cooler leaking
  423. Engine oil
  424. outdrive
  425. Gibson Bullet Mufflers
  426. boat oxidation
  427. High oil pressure question.....
  428. Dynoed Hawk 525 today, had a problem...
  429. black streaks from snaps?
  430. Bottom Surface Scrubbing off Speed?
  431. Getting ready to do bellows:
  432. Best price on GAUGE BEZELS
  433. Mercruiser 400 TRS
  434. Merc Trans - Any demand or Value
  435. 500 hp carb set up
  436. Help with a SN ID
  437. Flushing the old oil from engine and outdrive
  438. Livorsi bezel popping off
  439. oil temp sender on gen vi bbc-best place to install??
  440. Weiand 177 Blower Pulley Size
  441. Drives, Toe In or Toe Out (Again)
  442. volvo penta 496
  443. Thermostat gasket question
  444. lexan or plexi windshield-has anyone made one?
  445. Top Speed?
  446. water in oil
  447. engine oil cooler question
  448. Merc Zero Effort noise
  449. Converting to studs
  450. Crane Roller Rocker???
  451. cmi mufflers
  452. circ pump to crossover hoses ?
  453. Charging question
  454. Fuel Bladders
  455. Correct Measurement for fuel fill?
  456. Cubes Equals Economy.
  457. Shift interupt on Voyager distributor
  458. Injector cleaning and testing
  459. mild upgrades to a 502efi for more speed
  460. Pressure testing headers
  461. Intermittant alarm
  462. Billet Garmin Mount?
  463. How to check for a wet Transom
  464. Merc 496HO Max Oil Temperature
  465. Can exhaust diverters be painted
  466. water sensor with crossover ??
  467. 406 SBC Problem...HELP
  468. Best mpg rpm non-mag 454?
  469. 496 HO vs Raylar 496 Mag
  470. Help with running rich 7.4L 300 hp
  471. Water in fuel tanks question
  472. 500 efi's die together
  473. Changing 575sci blower oil
  474. 496 Seawater pump
  475. ANYONE RUNNING THE STOCK MERCURY Thermostatic Oil Filter Head and Mount
  476. Fuel Tank And Vent System Design
  477. TRS oil cooler/Thermo - line routing???
  478. BW-C 72 Tranny/cooler line SIZE???
  479. Need some help on motor ,cam choices PLEASE 600 SC or 500 HP
  480. Anyone out there that can help me with the Value of a older CAT?
  481. AN Fittings (where to purchase)
  482. 270 volvo
  483. 502 EFI fuel system questions...
  484. Mercruiser 7.4 L
  485. Bumbers - Where can I find them
  486. Water Pump Flow Rate
  487. crane 741 cam IcL
  488. bell housing
  489. Risers ok for blowers?
  490. How to prevent hatch actuator sleeve from scratching actuator body?
  491. Ehgine Guru Help Needed
  492. Is anybody close to Staunton VA
  493. Port Engine Shuts down various RPMs
  494. Question for the Oil Gurus
  495. need water separator #
  496. gen VI felpro oil pan gasket issue
  497. hp500 jets
  498. Crank Case Vent
  499. wood teak
  500. Type-F in BW tranny's