View Full Version : General Q & A




  1. 525SC Spark Plugs
  2. 87 Pachanga 22 props anyone?
  3. Newbie Outboard/GelCoat Question?
  4. 502mpi Vapor Lock
  5. Power Steering/ Steering Cable???
  6. steering ram size question
  7. Bill Gibbs Racing Oil
  8. Fuel pump oil
  9. Flushing out impeller pieces?
  10. Can't get the Alternator off
  11. Repower 2 x 36ft Spectres
  12. 10% Ethanol enhanced Fuel in my 525SC
  13. 500 efi alternator?
  14. 500 EFI recirculating pump
  15. cost to polish imco lower?
  16. Raylar Heads and Dana Exhaust
  17. Bravo Drives moving upon acceleration
  18. need help: breaking up, loosing rpm when running hard
  19. Recommended oil cooler size?
  20. Holley Carb Tuning
  21. what oil to use
  22. Port Tach jumping around
  23. Known problems and solutions
  24. Throwing accessorie drive V belts
  25. subwoofer box in rear bench and speakers
  26. Silent Choice Wiring
  27. Engines cross cranking
  28. Help new engine has a miss in the 3800-5000rpm range
  29. Forumla for Horsepower estimate???
  30. Oil Temp, What is normal or acceptable
  31. 496 ho over heating
  32. steering issuess
  33. Bravo Drive trims up, not down.
  34. ECU - Arizonia Speed & Marine
  35. 496 HO wont run, help!!!
  36. holley mech fuel pump
  37. 500HP starts missing in rough water conditions only?
  38. NXT1 Dipstick oil leak
  39. Oil temp sensor?
  40. Seawater Pump Belt Problem
  41. Time for new power, what to do?
  42. RPM/temp QUESTION
  43. engine hatch lift
  44. How bad does your boat leak?
  45. 177 blower pulley question??
  46. Best starter for a slightly modified 454?
  47. Shorepower charging
  48. Need blower carbs
  49. Electric Choke not working....
  50. new lenco hp 25x14 tabs
  51. Gaffrig gauges: what do you guys think?
  52. Horsepower Loss do to Wet Exghaust
  53. Jabsco water pump
  54. Livorsi GPS speedo not reading
  55. Oil level weirdness.......
  56. Fuel Pressure 502 mpi?!?!?!?
  57. flyhwheel
  58. Starter noise, but does not turn over.
  59. Stellings Box on 25 OL.....issues....
  60. Do all cats porpoise?????
  61. Smartcraft Guage problem
  62. Outboard Question?
  63. Help me start this 502!
  64. Exhaust Set Up Dif From 9.8 Block To 10.2
  65. 502 Balancer
  66. fuel pump vent hose
  67. Trailering clips for TRS
  68. Best conventional straight weight for a 700 Hp engine
  69. 600sci stage 2 probs
  70. Mechanical trim indicators are sticking!!! Help please!!!
  71. Fuel Problem ?
  72. Apache font
  73. Carb to MPI swap (gen iv)
  74. Change springs on HP500
  75. powersteering pump ?
  76. Ignition Fuse
  77. 1990 Black Widow coming along
  78. Msd Billet Distributor
  79. Inverter ground
  80. Restrictor in Prochgr FMU Vac Line, Why?
  81. How much drive oil in the sea water/fuel pump resevoir?
  82. Upholstery Question!
  83. thermostat housing/exhaust/hose routing questions
  84. Ever hear of a Brady Valve (vaporlock)
  85. Thackery spring
  86. merc racing pcm upgrades
  87. Starter Slave Solenoid Location -- 500 EFI
  88. repair a trim cylinder?
  89. Bad fuel pump?
  90. wire questions on 502 mpi
  91. 330 breaking up at 4200
  92. Can you guys use ZZ502's?
  93. Steering getting stuck when turned all the way left???
  94. omc ford 460 coupler
  95. Plug wires
  96. Compression Specs...
  97. O2 sensor - need install location
  98. props
  99. Need headers for 10:1 540EFI
  100. decent cd player for the $
  101. Intercoms
  102. 2000 454 Mag Mpi Starter Issues
  103. basic holley carb tuning question
  104. Gas Tank Pickup tube
  105. Drive trim Question???
  106. Oil cooler recommendation HP500
  107. Need advise on mounting anew compass
  108. Any thoughts of All American Drive Service?
  109. 525SC Clone Upgrades
  110. Cooking Gear Lube
  111. Fountain Ballast Tank?
  112. Best Headers?
  113. HP 500 (carb) upgrade options
  114. 38 fountain lightning vibration!!
  115. ??? Blown bravo one drive
  116. Alarm Sounding
  117. 500 EFI starting issue
  118. 502 mpi problem!!! HELP!!!!!
  119. Looks like I need a sea water pump; anyone have one?
  120. Oil leak on BBC
  121. White smoke from port exhaust
  122. Aeromotive fuel pump pressure drop?
  123. can i use a automotive water pump for circulation?
  124. Trim Switch
  125. choke problem ( I think )
  126. 502mpi ps/oil coolers set up on 496 build
  127. biloxy talkoffshore
  128. Stainless Marine OR EMI Replacement For Stock Exhaust Manifolds
  129. prop selection
  130. EMI thunder thread on bolts
  131. Both motors, #5 exhaust valve N/G
  132. mercruiser mpi wont start
  133. 500hp valve spring replacement
  134. corsa, 1 not opening completely?
  135. WIX Racing Oil Filters
  136. 500 hp short block
  137. Bad day on the water for 1 motor
  138. RPM loss on engine rebuild
  139. Does Livorsi still make the post style connection?
  140. Help needed fast intercooler
  141. Merc 500HP "Blue Motor" Cam & Heads
  142. GEN VI flywheel info needed
  143. x dimention
  144. Tubes on drives to induce cavitation
  145. Steering, Has anyone installed the Teleflex HPS rotary helm?
  146. Fresh water flush questions
  147. Bravo 1 forward- reverse clip question
  148. Digital Gaffrig Gps
  149. Steering Question
  150. exhaust muffler tip question?
  151. Exhaust Extention Questions
  152. Trim display outside your normal trim angle
  153. E3 Plugs?
  154. Question about cast iron exhaust and changing risers
  155. choice of 2 cams
  156. K-Plane and Trim pump fluid.
  157. Bravo X vs XR
  158. Help--got Gas??
  159. No Voltage to Port
  160. prop shaft wobble bravo 1
  161. Water temperature for 6.2 liter mercruiser
  162. 10' gw invader
  163. Question for the carb Guru's
  164. 92 Nova Steering Wheel Replacement
  165. need 496 experts again fuel prob?
  166. Gimbal bearing pullers
  167. Upgrades for 2000 7.4 MPI
  168. Intake gaskets
  169. Air hose from valve cover to breather
  170. what is this beeping noise?
  171. warning beep?
  172. 502 Oil filter questions w/HP500 oil Thermostat.
  173. 496ho constant beep
  174. Survey items on 1999 HP 500's?
  175. 42 fountain
  176. bluechart and C-Map
  177. electric fuel pump questions
  178. more Rochester Issues
  179. thermostat 454mag mpi's
  180. Best oil for 502 MPI?
  181. Eliminator Ride guide, new cable or replace with new helm as well?
  182. hulls, are newer hulls faster then older ones, do they change that much?
  183. msd
  184. Valve Cover Gromets
  185. Best option for 5.7 Mag exhaust replacment?
  186. How much HP was left on the table HP 500 C/R
  187. MEFI help needed
  188. CMI E-Top through prop
  189. 496ho warning beep
  190. Carb backfire?
  191. The HP numbers are in
  192. Use big cam and big heads or procharger
  193. Why use a Crossover vs. water pump?
  194. 502 Mpi Not Starting!
  195. Mercury Outboard Wiring Diagrams
  196. oil cooler water flow question
  197. Wood Floors similar to Cigarette Playboy
  198. any info would help
  199. Ride guide, new cable or replace with new helm as well?
  200. Mufflers for dry exhaust?
  201. 498 Stroker almost complete, few more ??
  202. Water Pressure Gauge Hose, what to use?
  203. Head bolts or studs
  204. hp 500 heads
  205. RPM and Thermostat Advice
  206. slave solenoid
  207. Which coolant in a 496 Mag
  208. Water flow and overheating issues
  209. cross overs
  210. leverage wax on new paint?
  211. msd for tach ??
  212. Sea Foam in with the oil 496HO
  213. msd slip collar
  214. Need Reversion Help
  215. 211 liberator with 350 mag engine upgrades
  216. Seawater Pump - Impeller Replacement
  217. Trim Tab problem
  218. 502MPI Oil Temp
  219. Scan tool for 502MPI ?
  220. Help wanted on Sixdrive
  221. VAPOR LOCK #&%! BLOWS (help!)
  222. Prop Slip to High?
  223. Power Steering "stiff" on my 454 Magnum
  224. i need a part number
  225. Coan 2 speed transmission
  226. Octane and compression discussion
  227. removing corrision
  228. 496 Loosing Antifreeze
  229. 502 MPI RPM Issue
  230. 454 Mag buildup
  231. Best Batteries?
  232. Intercom's
  233. Changed flappers to external now water reversion?
  234. Polishing Keith Eickart Exhaust
  235. Brand new k-planes- one sticks when down, HELP
  236. push rods
  237. Merc. 454/ 330 Torque
  238. How high can you safely mount a remote oil filter?
  239. opinon on jet docks
  240. Need help stumped...
  241. Just got a stinger 260 I need some help
  242. Wipple ECM upgrade- 496 Mag HO
  243. Engine compartment LED's
  244. Mcleod Electric Seat Wiring Diagram
  245. hydraulic drive stands
  246. 1985 40' Excalibur...
  247. Depth Finder Wire
  248. Cabin carpet - Dye POSSIBLE
  249. trim cylinder leaking
  250. Livorsi speedo light
  251. Engine builder question Help!!!!!
  252. SBC 350 Mag Exhaust Headers
  253. Help w/ Livorsi tach zeroing @5000rpms
  254. Rear Motor Mount Setup
  255. rods bluing
  256. Whats a good Valve Spg. - Rem./Inst. tool
  257. broken valve stem seals
  258. Holley Marine 830 leaking?
  259. performance fuel pump relay?
  260. Starters
  261. Valve springs
  262. carb spacer or not on dart intake
  263. odd bank of my engine is warmer than the even
  264. Alpha One Gen 2 Water Pump Parts
  265. Broken bolt. Mechanic liable?
  266. 502 flame arrestor
  267. few questions
  268. External Steering question
  269. How to buff and polish with Leverage.
  270. flame arrestor size???
  271. best fuel pump for me
  272. How accurate is the liquid filled speedometers??
  273. building a smal 177l blower motor
  274. Merc Blue Paint. B8110
  275. crossover hoses
  276. ring gap?
  277. Anyone run the Automotive Crane HI-6 box?
  278. Themostat/crossover questions
  279. Pompano Beach Mechanic
  280. spark plugs
  281. Any Snap-on\Mac dealers?
  282. 496 Ho Exhaust Heat Sensor
  283. Painting a DART INTAKE????
  284. Ramco Fuel Filters
  285. OK, new question :)
  286. Dart Intake...Will it work on my 489?
  287. Water sender question
  288. wont pass 1500 rpms and pops all over the place.
  289. Bigger Blowers. How much gain?
  290. Northstar 6000i Problems
  291. Where to buy new rub rail??
  292. 502 rebuild
  293. 496HO Circulation Pump.
  294. Stock Fuel pump max HP
  295. Bench flowing carbs (How I spent my Saturday)
  296. Wont trim up at speed
  297. What causes gas to turn white?
  298. Cats?
  299. Q-Jet hard starting and stalling at idle
  300. BBC oil pump
  301. Carb HP 500 effect of compression ratio on jetting??
  302. Whipple or Raylar: Problem Free or Not?
  303. OHM reading on plug wires
  304. dead boat, used once. :(
  305. Steering
  306. spark plugs engine temp.
  307. Oil Pressure sender for Livorsi Guage.
  308. plug wires
  309. How much HP do you guys think
  310. 406 Still Giving me a hard time.
  311. 94 gen 5 oil filter question
  312. 1985 wellcraft nova ii
  313. k-plane questions-mainly indicators
  314. Anyone running a GPS speedo head off their Garmin GPS output?
  315. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  316. Hot Coil / No Spark EFI
  317. Rear Seat
  318. Livorsi GPS Antena Battery Thread
  319. 1985 Baja 240 Sport
  320. What is this stuff (goop)?
  321. Evapo rust is Magic
  322. k-plane location??
  323. 500 hp 502 Flame Arrestor
  324. Raw water pump mercruiser 7.4
  325. Bravo 1 bearing installation
  326. Thunderbolt IV Timing 383 Stroker
  327. Barnicle REMOVEL Help
  328. K.K. Trim tab (install)
  329. Livorsi GPS Antenna Help
  330. Prop question for my Powerquest Vyper...
  331. Steering wheel alignment
  332. Touchless Cover
  333. M&W Turbo Kits
  334. Auto halon rebuild
  335. who has some merc press. relief valves???
  336. What would your service dept have charged
  337. Questions about installing bravo 1 and transom assembly
  338. Best way to ship a drive?
  339. 496 cooling circuit
  340. wellcraft nova
  341. Sea strainer installation
  342. Blower guys, are you running AFR guages??
  343. Push rod length
  344. dewinterized the boat and it doesnt look good
  345. looking for prop
  346. questions about my 1983 Corsa 31 foot
  347. Fuel injector flow rate
  348. 502 carb jetting help.
  349. Need Help
  350. trailer guide-ons
  351. fuel pressure gauge install
  352. Seawater mounted Fuel pump, what is in, what is out?
  353. Plug Gap and Timing - SBC
  354. 1996 Baja Twin 2002 Hp 500 Efi Help
  355. GPS speedo - no reading
  356. help
  357. Imco 3 port fuel switch
  358. 496 ho.s run very rich
  359. Swapping out Controls
  360. upholstery
  361. porpoising problems 24 superboat with twins
  362. GPS batterys
  363. Is this for a Bravo 1 drive?
  364. Gil exhaust install problem
  365. Go Fast With Some Room?
  366. Thru hull exhaust noise abatement / muffler
  367. Need help ASAP Please with losing power steering twice now
  368. Exhaust block off plate leaking-502 mpi
  369. speedo fluid?
  370. boat lost spped after chiller installed 575Sci's
  371. 454 oil cooler
  372. 502 MPI rocker help
  373. 1993 454 Mag Piston Rings
  374. Arriva Engine Replacement
  375. Pro charger Cooler
  376. Water temps on both motors
  377. Fountain 29' Open Bow Conversion
  378. Bad Lifters - Now what?
  379. Zero Effort Cable Ends
  380. Newbe to go fasts
  381. corsa dash switch
  382. Q-jet jetting
  383. Yet Another Muffler Delima Thread
  384. Wiring in new DC panel
  385. Prop and Header question
  386. Merc 525 EFI injectors
  387. Basic Plug Stuff
  388. Comp Test results + help with diagnosis
  389. trim indicator cable
  390. 12:1 compression ratio
  391. 1994 454 Mag EFI dies randomly at idle speeds
  392. trim tabs for 89 baja sport 250 with around 450hp
  393. 575sci spec?
  394. Quiksilver Digital Diagnostic Terminal ?
  395. Whippled mx 6.2
  396. Preload 1.7 Crane
  397. 454 --> 496 Build Check
  398. 496 ho serpentine belt
  399. 94 502 MPI cam question
  400. 1995 454 mag mpi cuts out
  401. MSD Box w/ a Thunderbolt Distrib ????
  402. bravo trim pump noise
  403. Volvo Penta 5.7l hesitation
  404. North GA Machine Shop Recommendation?
  405. exhaust ????
  406. Bmax Drive Reservoir
  407. carb. rebuild time
  408. Royal Purple Oil Filters
  409. Engine oil cooler leaking
  410. Engine oil
  411. outdrive
  412. Gibson Bullet Mufflers
  413. boat oxidation
  414. High oil pressure question.....
  415. Dynoed Hawk 525 today, had a problem...
  416. black streaks from snaps?
  417. Bottom Surface Scrubbing off Speed?
  418. Getting ready to do bellows:
  419. Best price on GAUGE BEZELS
  420. Mercruiser 400 TRS
  421. Merc Trans - Any demand or Value
  422. 500 hp carb set up
  423. Help with a SN ID
  424. Flushing the old oil from engine and outdrive
  425. Livorsi bezel popping off
  426. oil temp sender on gen vi bbc-best place to install??
  427. Weiand 177 Blower Pulley Size
  428. Drives, Toe In or Toe Out (Again)
  429. volvo penta 496
  430. Thermostat gasket question
  431. lexan or plexi windshield-has anyone made one?
  432. Top Speed?
  433. water in oil
  434. engine oil cooler question
  435. Merc Zero Effort noise
  436. Converting to studs
  437. Crane Roller Rocker???
  438. cmi mufflers
  439. circ pump to crossover hoses ?
  440. Charging question
  441. Fuel Bladders
  442. Correct Measurement for fuel fill?
  443. Cubes Equals Economy.
  444. Shift interupt on Voyager distributor
  445. Injector cleaning and testing
  446. mild upgrades to a 502efi for more speed
  447. Pressure testing headers
  448. Intermittant alarm
  449. Billet Garmin Mount?
  450. How to check for a wet Transom
  451. Merc 496HO Max Oil Temperature
  452. Can exhaust diverters be painted
  453. water sensor with crossover ??
  454. 406 SBC Problem...HELP
  455. Best mpg rpm non-mag 454?
  456. 496 HO vs Raylar 496 Mag
  457. Help with running rich 7.4L 300 hp
  458. Water in fuel tanks question
  459. 500 efi's die together
  460. Changing 575sci blower oil
  461. 496 Seawater pump
  462. ANYONE RUNNING THE STOCK MERCURY Thermostatic Oil Filter Head and Mount
  463. Fuel Tank And Vent System Design
  464. TRS oil cooler/Thermo - line routing???
  465. BW-C 72 Tranny/cooler line SIZE???
  466. Need some help on motor ,cam choices PLEASE 600 SC or 500 HP
  467. Anyone out there that can help me with the Value of a older CAT?
  468. AN Fittings (where to purchase)
  469. 270 volvo
  470. 502 EFI fuel system questions...
  471. Mercruiser 7.4 L
  472. Bumbers - Where can I find them
  473. Water Pump Flow Rate
  474. crane 741 cam IcL
  475. bell housing
  476. Risers ok for blowers?
  477. How to prevent hatch actuator sleeve from scratching actuator body?
  478. Ehgine Guru Help Needed
  479. Is anybody close to Staunton VA
  480. Port Engine Shuts down various RPMs
  481. Question for the Oil Gurus
  482. need water separator #
  483. gen VI felpro oil pan gasket issue
  484. hp500 jets
  485. Crank Case Vent
  486. wood teak
  487. Type-F in BW tranny's
  488. mirror for engine hatch
  489. Engine Alarms...
  490. Best place to get Synthetic Gear lube?
  491. What diameter exhaust is used on a 496HO?
  492. and another fuel Q
  493. crankcase ventalation questions.... someone please help me! :)
  494. outdrive painting?
  495. Marine Carpet. 16oz or 20oz
  496. road/mooring covers
  497. exhaust for 741 cam shaft whos running what
  498. 1930 Model A
  499. more octane questions
  500. Octane requirements?