View Full Version : General Q & A




  1. Intake gaskets
  2. Air hose from valve cover to breather
  3. what is this beeping noise?
  4. warning beep?
  5. 502 Oil filter questions w/HP500 oil Thermostat.
  6. 496ho constant beep
  7. Survey items on 1999 HP 500's?
  8. 42 fountain
  9. bluechart and C-Map
  10. electric fuel pump questions
  11. more Rochester Issues
  12. thermostat 454mag mpi's
  13. Best oil for 502 MPI?
  14. Eliminator Ride guide, new cable or replace with new helm as well?
  15. hulls, are newer hulls faster then older ones, do they change that much?
  16. msd
  17. Valve Cover Gromets
  18. Best option for 5.7 Mag exhaust replacment?
  19. How much HP was left on the table HP 500 C/R
  20. MEFI help needed
  21. CMI E-Top through prop
  22. 496ho warning beep
  23. Carb backfire?
  24. The HP numbers are in
  25. Use big cam and big heads or procharger
  26. Why use a Crossover vs. water pump?
  27. 502 Mpi Not Starting!
  28. Mercury Outboard Wiring Diagrams
  29. oil cooler water flow question
  30. Wood Floors similar to Cigarette Playboy
  31. any info would help
  32. Ride guide, new cable or replace with new helm as well?
  33. Mufflers for dry exhaust?
  34. 498 Stroker almost complete, few more ??
  35. Water Pressure Gauge Hose, what to use?
  36. Head bolts or studs
  37. hp 500 heads
  38. RPM and Thermostat Advice
  39. slave solenoid
  40. Which coolant in a 496 Mag
  41. Water flow and overheating issues
  42. cross overs
  43. leverage wax on new paint?
  44. msd for tach ??
  45. Sea Foam in with the oil 496HO
  46. msd slip collar
  47. Need Reversion Help
  48. 211 liberator with 350 mag engine upgrades
  49. Seawater Pump - Impeller Replacement
  50. Trim Tab problem
  51. 502MPI Oil Temp
  52. Scan tool for 502MPI ?
  53. Help wanted on Sixdrive
  54. VAPOR LOCK #&%! BLOWS (help!)
  55. Prop Slip to High?
  56. Power Steering "stiff" on my 454 Magnum
  57. i need a part number
  58. Coan 2 speed transmission
  59. Octane and compression discussion
  60. removing corrision
  61. 496 Loosing Antifreeze
  62. 502 MPI RPM Issue
  63. 454 Mag buildup
  64. Best Batteries?
  65. Intercom's
  66. Changed flappers to external now water reversion?
  67. Polishing Keith Eickart Exhaust
  68. Brand new k-planes- one sticks when down, HELP
  69. push rods
  70. Merc. 454/ 330 Torque
  71. How high can you safely mount a remote oil filter?
  72. opinon on jet docks
  73. Need help stumped...
  74. Just got a stinger 260 I need some help
  75. Wipple ECM upgrade- 496 Mag HO
  76. Engine compartment LED's
  77. Mcleod Electric Seat Wiring Diagram
  78. hydraulic drive stands
  79. 1985 40' Excalibur...
  80. Depth Finder Wire
  81. Cabin carpet - Dye POSSIBLE
  82. trim cylinder leaking
  83. Livorsi speedo light
  84. Engine builder question Help!!!!!
  85. SBC 350 Mag Exhaust Headers
  86. Help w/ Livorsi tach zeroing @5000rpms
  87. Rear Motor Mount Setup
  88. rods bluing
  89. Whats a good Valve Spg. - Rem./Inst. tool
  90. broken valve stem seals
  91. Holley Marine 830 leaking?
  92. performance fuel pump relay?
  93. Starters
  94. Valve springs
  95. carb spacer or not on dart intake
  96. odd bank of my engine is warmer than the even
  97. Alpha One Gen 2 Water Pump Parts
  98. Broken bolt. Mechanic liable?
  99. 502 flame arrestor
  100. few questions
  101. External Steering question
  102. How to buff and polish with Leverage.
  103. flame arrestor size???
  104. best fuel pump for me
  105. How accurate is the liquid filled speedometers??
  106. building a smal 177l blower motor
  107. Merc Blue Paint. B8110
  108. crossover hoses
  109. ring gap?
  110. Anyone run the Automotive Crane HI-6 box?
  111. Themostat/crossover questions
  112. Pompano Beach Mechanic
  113. spark plugs
  114. Any Snap-on\Mac dealers?
  115. 496 Ho Exhaust Heat Sensor
  116. Painting a DART INTAKE????
  117. Ramco Fuel Filters
  118. OK, new question :)
  119. Dart Intake...Will it work on my 489?
  120. Water sender question
  121. wont pass 1500 rpms and pops all over the place.
  122. Bigger Blowers. How much gain?
  123. Northstar 6000i Problems
  124. Where to buy new rub rail??
  125. 502 rebuild
  126. 496HO Circulation Pump.
  127. Stock Fuel pump max HP
  128. Bench flowing carbs (How I spent my Saturday)
  129. Wont trim up at speed
  130. What causes gas to turn white?
  131. Cats?
  132. Q-Jet hard starting and stalling at idle
  133. BBC oil pump
  134. Carb HP 500 effect of compression ratio on jetting??
  135. Whipple or Raylar: Problem Free or Not?
  136. OHM reading on plug wires
  137. dead boat, used once. :(
  138. Steering
  139. spark plugs engine temp.
  140. Oil Pressure sender for Livorsi Guage.
  141. plug wires
  142. How much HP do you guys think
  143. 406 Still Giving me a hard time.
  144. 94 gen 5 oil filter question
  145. 1985 wellcraft nova ii
  146. k-plane questions-mainly indicators
  147. Anyone running a GPS speedo head off their Garmin GPS output?
  148. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  149. Hot Coil / No Spark EFI
  150. Rear Seat
  151. Livorsi GPS Antena Battery Thread
  152. 1985 Baja 240 Sport
  153. What is this stuff (goop)?
  154. Evapo rust is Magic
  155. k-plane location??
  156. 500 hp 502 Flame Arrestor
  157. Raw water pump mercruiser 7.4
  158. Bravo 1 bearing installation
  159. Thunderbolt IV Timing 383 Stroker
  160. Barnicle REMOVEL Help
  161. K.K. Trim tab (install)
  162. Livorsi GPS Antenna Help
  163. Prop question for my Powerquest Vyper...
  164. Steering wheel alignment
  165. Touchless Cover
  166. M&W Turbo Kits
  167. Auto halon rebuild
  168. who has some merc press. relief valves???
  169. What would your service dept have charged
  170. Questions about installing bravo 1 and transom assembly
  171. Best way to ship a drive?
  172. 496 cooling circuit
  173. wellcraft nova
  174. Sea strainer installation
  175. Blower guys, are you running AFR guages??
  176. Push rod length
  177. dewinterized the boat and it doesnt look good
  178. looking for prop
  179. questions about my 1983 Corsa 31 foot
  180. Fuel injector flow rate
  181. 502 carb jetting help.
  182. Need Help
  183. trailer guide-ons
  184. fuel pressure gauge install
  185. Seawater mounted Fuel pump, what is in, what is out?
  186. Plug Gap and Timing - SBC
  187. 1996 Baja Twin 2002 Hp 500 Efi Help
  188. GPS speedo - no reading
  189. help
  190. Imco 3 port fuel switch
  191. 496 ho.s run very rich
  192. Swapping out Controls
  193. upholstery
  194. porpoising problems 24 superboat with twins
  195. GPS batterys
  196. Is this for a Bravo 1 drive?
  197. Gil exhaust install problem
  198. Go Fast With Some Room?
  199. Thru hull exhaust noise abatement / muffler
  200. Need help ASAP Please with losing power steering twice now
  201. Exhaust block off plate leaking-502 mpi
  202. speedo fluid?
  203. boat lost spped after chiller installed 575Sci's
  204. 454 oil cooler
  205. 502 MPI rocker help
  206. 1993 454 Mag Piston Rings
  207. Arriva Engine Replacement
  208. Pro charger Cooler
  209. Water temps on both motors
  210. Fountain 29' Open Bow Conversion
  211. Bad Lifters - Now what?
  212. Zero Effort Cable Ends
  213. Newbe to go fasts
  214. corsa dash switch
  215. Q-jet jetting
  216. Yet Another Muffler Delima Thread
  217. Wiring in new DC panel
  218. Prop and Header question
  219. Merc 525 EFI injectors
  220. Basic Plug Stuff
  221. Comp Test results + help with diagnosis
  222. trim indicator cable
  223. 12:1 compression ratio
  224. 1994 454 Mag EFI dies randomly at idle speeds
  225. trim tabs for 89 baja sport 250 with around 450hp
  226. 575sci spec?
  227. Quiksilver Digital Diagnostic Terminal ?
  228. Whippled mx 6.2
  229. Preload 1.7 Crane
  230. 454 --> 496 Build Check
  231. 496 ho serpentine belt
  232. 94 502 MPI cam question
  233. 1995 454 mag mpi cuts out
  234. MSD Box w/ a Thunderbolt Distrib ????
  235. bravo trim pump noise
  236. Volvo Penta 5.7l hesitation
  237. North GA Machine Shop Recommendation?
  238. exhaust ????
  239. Bmax Drive Reservoir
  240. carb. rebuild time
  241. Royal Purple Oil Filters
  242. Engine oil cooler leaking
  243. Engine oil
  244. outdrive
  245. Gibson Bullet Mufflers
  246. boat oxidation
  247. High oil pressure question.....
  248. Dynoed Hawk 525 today, had a problem...
  249. black streaks from snaps?
  250. Bottom Surface Scrubbing off Speed?
  251. Getting ready to do bellows:
  252. Best price on GAUGE BEZELS
  253. Mercruiser 400 TRS
  254. Merc Trans - Any demand or Value
  255. 500 hp carb set up
  256. Help with a SN ID
  257. Flushing the old oil from engine and outdrive
  258. Livorsi bezel popping off
  259. oil temp sender on gen vi bbc-best place to install??
  260. Weiand 177 Blower Pulley Size
  261. Drives, Toe In or Toe Out (Again)
  262. volvo penta 496
  263. Thermostat gasket question
  264. lexan or plexi windshield-has anyone made one?
  265. Top Speed?
  266. water in oil
  267. engine oil cooler question
  268. Merc Zero Effort noise
  269. Converting to studs
  270. Crane Roller Rocker???
  271. cmi mufflers
  272. circ pump to crossover hoses ?
  273. Charging question
  274. Fuel Bladders
  275. Correct Measurement for fuel fill?
  276. Cubes Equals Economy.
  277. Shift interupt on Voyager distributor
  278. Injector cleaning and testing
  279. mild upgrades to a 502efi for more speed
  280. Pressure testing headers
  281. Intermittant alarm
  282. Billet Garmin Mount?
  283. How to check for a wet Transom
  284. Merc 496HO Max Oil Temperature
  285. Can exhaust diverters be painted
  286. water sensor with crossover ??
  287. 406 SBC Problem...HELP
  288. Best mpg rpm non-mag 454?
  289. 496 HO vs Raylar 496 Mag
  290. Help with running rich 7.4L 300 hp
  291. Water in fuel tanks question
  292. 500 efi's die together
  293. Changing 575sci blower oil
  294. 496 Seawater pump
  295. ANYONE RUNNING THE STOCK MERCURY Thermostatic Oil Filter Head and Mount
  296. Fuel Tank And Vent System Design
  297. TRS oil cooler/Thermo - line routing???
  298. BW-C 72 Tranny/cooler line SIZE???
  299. Need some help on motor ,cam choices PLEASE 600 SC or 500 HP
  300. Anyone out there that can help me with the Value of a older CAT?
  301. AN Fittings (where to purchase)
  302. 270 volvo
  303. 502 EFI fuel system questions...
  304. Mercruiser 7.4 L
  305. Bumbers - Where can I find them
  306. Water Pump Flow Rate
  307. crane 741 cam IcL
  308. bell housing
  309. Risers ok for blowers?
  310. How to prevent hatch actuator sleeve from scratching actuator body?
  311. Ehgine Guru Help Needed
  312. Is anybody close to Staunton VA
  313. Port Engine Shuts down various RPMs
  314. Question for the Oil Gurus
  315. need water separator #
  316. gen VI felpro oil pan gasket issue
  317. hp500 jets
  318. Crank Case Vent
  319. wood teak
  320. Type-F in BW tranny's
  321. mirror for engine hatch
  322. Engine Alarms...
  323. Best place to get Synthetic Gear lube?
  324. What diameter exhaust is used on a 496HO?
  325. and another fuel Q
  326. crankcase ventalation questions.... someone please help me! :)
  327. outdrive painting?
  328. Marine Carpet. 16oz or 20oz
  329. road/mooring covers
  330. exhaust for 741 cam shaft whos running what
  331. 1930 Model A
  332. more octane questions
  333. Octane requirements?
  334. hp 500 carb leaking
  335. Drive shower technical
  336. New Cam for my 406 SBC
  337. Best valve seats?
  338. figuring cfm needs for a marine engine
  339. Water Pump Help
  340. Air Dock/Lift size ?
  341. Fuel water separator
  342. Tyler Crockett
  343. WTF is that loud wisssssss sound (motor)help
  344. 575sci redline
  345. Octane boosters
  346. Oil temp sender options on 502 MPI Stock?
  347. Need Valve Seals part #!!
  348. Donzi lower drive
  349. MSD rev Limiters w/o pills ?
  350. 1998 454 MPI exhaust
  351. Slight milkshake on dipstick
  352. Smartcraft SC1000 to EcoScreen
  353. distributor wireing
  354. Holly vs. Mercarb/Weber
  355. engine cuts out momentarily when hitting hard waves...
  356. cap, rotor and plug wires for HP ignition Thunder IV
  357. Restoring Aluminum Diamond Plate
  358. Changing Exhaust Tips
  359. Upper gears: #3,#3A,#4  drives
  360. Transom Assembly Help
  361. New JL M series Amp
  362. Bravo 1 stuck
  363. Will these risers work with a bravo
  364. starter solenoid
  365. tail pipe shine
  366. Engine Hatch?
  367. KPM sea water pumps
  368. 502 flywheel question
  369. Fuel return regulator
  370. 496 Coolant Issue/Question
  371. Gaffrig senders vdo????
  372. 500/525EFI with Whipple Question
  373. 496HO + Bravo I: zincs
  374. Merc Cool fuel
  375. Water leaking from manifold bolt hole....HELP!
  376. hot headers
  377. What head gasket???
  378. break-in
  379. Question?
  380. Merc 575/500 wiring harness problem
  381. 496 Mag to HO
  382. intake valley pan
  383. Intro and two part question
  384. Aftermarket Valve covers on stock merc 502 mpi?
  385. Calling TX car dealers!
  386. How thin can a transom be?
  387. Power steering reservoir / pulley size
  388. mallory ign. boxes (any good?)
  389. Changing single control to dual controls
  390. Tweaking 575sci Fuel Pressure...
  391. Fuel Gauge And Sender Help
  392. power steering system
  393. Silent choice with surface drives
  394. Gas in the Exhuast
  395. Head bolts torque specs
  396. Ilmor Life Span
  397. new livorsi tachs bouncing
  398. Bravo 1 4 blade stainless prop question
  399. valve covers and ventalation questions
  400. exhaust for bigger cams
  401. SBC 5.7 Vortec cam & other bolt ons rebuild
  402. RTV/ Ultra Black on intake gaskets?
  403. who makes a 6" exhaust system??????
  404. knock sensor
  405. exaust alteration possible?
  406. cuddy pics wanted.
  407. 496 Mag Stock Flame Arrestor vs K & N Filter/arrestor
  408. Think i found my problem
  409. mercruiser rave?
  410. 454 rebuild or repower?
  411. Backflush water system
  412. Thermostat housing
  413. donzi zx 26 vs sonic prowler
  414. valve guides/seals questions
  415. Cuddy FABRICS???? Where to purchase...
  416. Water Oil Mix
  417. 496 mag scan tool?
  418. Alpha Coupler in Bravo
  419. Up and running!!
  420. posting question
  421. merc blue paint
  422. Sea pump mounted fuel pump?
  423. How to track anyone using thier cell phone
  424. Barry Grant Carbs...
  425. 496 crankshaft balancer bolt size
  426. Oil Cooler
  427. HVH super sucker carb spacer
  428. Light behind speaker grill
  429. Total timing ???
  430. prop slip under or over propped
  431. crossovers ??
  432. Bypassing Unused PS Pump
  433. Drake exhaust
  434. Pully Back lash on 177 Blower
  435. Autolite Plugs??
  436. gear lube reservoir-i am not sure if my boat should have one or not?
  437. Older Gaffrigs
  438. Bunk Carpet?
  439. 502 gen 6 stock cam
  440. stereo electrical noise
  441. Starting Boat after its has been sitting for 2 years
  442. Keith Eickert Fuel Pump
  443. serial number on engine block..
  444. mobil1 v-twin oil, scream'n deal
  445. anyone recognize this header
  446. Gas in the vapor tube
  447. -2 IMCO Shorty Install
  448. Engine life in saltwater
  449. How much hp with this cam in a 502 mpi
  450. Whipple Pros and Cons 502 MAG
  451. Scarab takes forever to plane out
  452. 502mag Power Limits?
  453. 502 Keeps shutting down
  454. Bravo I Dimension??
  455. help
  456. 540 Bulldog Heads
  457. 31 ocean express oil pans
  458. Boat Lifts
  459. Need a Starter
  460. 496HO oil filter: equivalent truck models?
  461. 496 Mag engines going away?
  462. CMI's
  463. hyd roller lifter limits
  464. kamma surface drives
  465. exhaust help
  466. Whipple plumbing?
  467. Looking for Bimini Cover
  468. milky oil under valve covers..compression test
  469. Pushrod and Valve Spring Recommendation HP 500
  470. where to purchase HEI/DUI
  471. I Keep Breaking U Joints And Destroying Transom Units
  472. help please stereo install
  473. Valve springs 500 EFI
  474. 502mpi 470hp??
  475. 525 Efi
  476. Merc Bell housing Coolers
  477. Thunderbolt IV module on Thunderbolt V ?
  478. Spark plugs for a 454 MAG MPI
  479. Which thermo for a gen 5 502 mag mpi
  480. Gen-X headers from CMI
  481. Hardin marine Thermostatically Controlled cooler
  482. Merc 7.4 330 to 502 Ignition change over Confusion.
  483. Which thermostat in a 454SC engine?
  484. Clearing Smartcraft Alarm
  485. Plate Heat Exchanger
  486. valve cover help
  487. help
  488. Advice on HP500 upgrade
  489. Add on steering kit
  490. Carburetor help please?!
  491. Any luck with having a tach repaired?
  492. Eickert exhaust and transmissions
  493. 540CI to 572CI
  494. Mercruiser distributor help
  495. Using propane torch to remove trailer tire bolts
  496. Taking a HTM sr 24 off the trailer
  497. Oil Filter Issue?
  498. Surveyor Needed
  499. marine stereo
  500. crossovers ?