View Full Version : General Q & A




  1. heads? cam? small block stroker build
  2. Costs to rebuild Upper drive Bravo One X?
  3. Wire Size
  4. merc fuel cool system
  5. 525 Problems
  6. Shifter/throttle help
  7. 3X18 Oil Cooler Help
  8. 1987 Baja 240 Sport Hatch Lift
  9. k-plane mounting
  10. Priming Oil Pump
  11. Anyone heard of Xtreme Custom Boats??
  12. Any Jet Boat Techs Here?
  13. What in a Holley carb would cause a mid range miss?
  14. 525 sc Thermostat
  15. Livoris to Garmin
  16. Needed Vst Pump Asap
  17. where to be 140 Thermostat 7.4 mpi 1999
  18. Rebuilding A 525 Efi
  19. Carb size
  20. Fixed vapor lock 454mag mpi's with VST
  21. Mechanical Oil Pressure Gauge
  22. Mercury "O" ring sealant ?
  23. batterys
  24. Best Battery Setup??!!
  25. Fuel mileage 454?
  26. Gen VI 500hp
  27. Hawk 525sc oval port intake with rectangle heads
  28. 502 Mpi Problems Help!!!!!!!!
  29. HP nearly stalls when throttled back to idle
  30. Cmi Etops
  31. who makes a trans for torque 1375 hp
  32. props
  33. need help choosing prop for baja sport 250 with 450hp
  34. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  35. steering wheel out of center
  36. Holly Marine fuel pumps.
  37. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  38. Idle adjustment
  39. Baja 240 rpm question
  40. teach me about tunnel tabs...
  41. Help with Merc 5.0 cooling issue
  42. 496 HO Oil in coolant issue
  43. 496 HO Warning buzzer issue
  44. stepping The hull
  45. 825 mighty marine demon
  46. sea doo techs??
  47. K-planes
  48. 496 H.O. and Boost pump
  49. drive couplier
  50. mercruiser lower shift cable
  51. VHF Radio
  52. Exhaust Temp
  53. broken motor mount bolt
  54. engine builder or mechanic in ct
  55. temperature problems
  56. 502 MPI hard start, water temps, steam, riser temps ???
  57. hp 500 carb leaking at throttle shaft
  58. holey or bg demond
  59. holey carb gurus
  60. 525 EFI Service intervals -When and what is recommended
  61. How much water presure is to much ?
  62. Whipple intake manifold.....huh?
  63. Best Engines :-) BPM or Crusader ?
  64. 502 hole in piston, oil everywhere
  65. Intermitent whine around 3000 rpm
  66. Engine Serial Number
  67. Corsa Q&Q+ trouble shooting
  68. Power steering weak??
  69. Vibration / U-Joint / Gimbal question - BIII
  70. Trim Tab Size Question
  71. 496 Mag Rich at Idle & Feels weak over 4k
  72. Floating Boathouse
  73. Nose Bleed Supercharger Boaters?
  74. 502 mpi Fuel Pressure Regulator Question
  75. Idle RPM
  76. 525SC Spark Plugs
  77. 87 Pachanga 22 props anyone?
  78. Newbie Outboard/GelCoat Question?
  79. 502mpi Vapor Lock
  80. Power Steering/ Steering Cable???
  81. steering ram size question
  82. Bill Gibbs Racing Oil
  83. Fuel pump oil
  84. Flushing out impeller pieces?
  85. Can't get the Alternator off
  86. Repower 2 x 36ft Spectres
  87. 10% Ethanol enhanced Fuel in my 525SC
  88. 500 efi alternator?
  89. 500 EFI recirculating pump
  90. cost to polish imco lower?
  91. Raylar Heads and Dana Exhaust
  92. Bravo Drives moving upon acceleration
  93. need help: breaking up, loosing rpm when running hard
  94. Recommended oil cooler size?
  95. Holley Carb Tuning
  96. what oil to use
  97. Port Tach jumping around
  98. Known problems and solutions
  99. Throwing accessorie drive V belts
  100. subwoofer box in rear bench and speakers
  101. Silent Choice Wiring
  102. Engines cross cranking
  103. Help new engine has a miss in the 3800-5000rpm range
  104. Forumla for Horsepower estimate???
  105. Oil Temp, What is normal or acceptable
  106. 496 ho over heating
  107. steering issuess
  108. Bravo Drive trims up, not down.
  109. ECU - Arizonia Speed & Marine
  110. 496 HO wont run, help!!!
  111. holley mech fuel pump
  112. 500HP starts missing in rough water conditions only?
  113. NXT1 Dipstick oil leak
  114. Oil temp sensor?
  115. Seawater Pump Belt Problem
  116. Time for new power, what to do?
  117. RPM/temp QUESTION
  118. engine hatch lift
  119. How bad does your boat leak?
  120. 177 blower pulley question??
  121. Best starter for a slightly modified 454?
  122. Shorepower charging
  123. Need blower carbs
  124. Electric Choke not working....
  125. new lenco hp 25x14 tabs
  126. Gaffrig gauges: what do you guys think?
  127. Horsepower Loss do to Wet Exghaust
  128. Jabsco water pump
  129. Livorsi GPS speedo not reading
  130. Oil level weirdness.......
  131. Fuel Pressure 502 mpi?!?!?!?
  132. flyhwheel
  133. Starter noise, but does not turn over.
  134. Stellings Box on 25 OL.....issues....
  135. Do all cats porpoise?????
  136. Smartcraft Guage problem
  137. Outboard Question?
  138. Help me start this 502!
  139. Exhaust Set Up Dif From 9.8 Block To 10.2
  140. 502 Balancer
  141. fuel pump vent hose
  142. Trailering clips for TRS
  143. Best conventional straight weight for a 700 Hp engine
  144. 600sci stage 2 probs
  145. Mechanical trim indicators are sticking!!! Help please!!!
  146. Fuel Problem ?
  147. Apache font
  148. Carb to MPI swap (gen iv)
  149. Change springs on HP500
  150. powersteering pump ?
  151. Ignition Fuse
  152. 1990 Black Widow coming along
  153. Msd Billet Distributor
  154. Inverter ground
  155. Restrictor in Prochgr FMU Vac Line, Why?
  156. How much drive oil in the sea water/fuel pump resevoir?
  157. Upholstery Question!
  158. thermostat housing/exhaust/hose routing questions
  159. Ever hear of a Brady Valve (vaporlock)
  160. Thackery spring
  161. merc racing pcm upgrades
  162. Starter Slave Solenoid Location -- 500 EFI
  163. repair a trim cylinder?
  164. Bad fuel pump?
  165. wire questions on 502 mpi
  166. 330 breaking up at 4200
  167. Can you guys use ZZ502's?
  168. Steering getting stuck when turned all the way left???
  169. omc ford 460 coupler
  170. Plug wires
  171. Compression Specs...
  172. O2 sensor - need install location
  173. props
  174. Need headers for 10:1 540EFI
  175. decent cd player for the $
  176. Intercoms
  177. 2000 454 Mag Mpi Starter Issues
  178. basic holley carb tuning question
  179. Gas Tank Pickup tube
  180. Drive trim Question???
  181. Oil cooler recommendation HP500
  182. Need advise on mounting anew compass
  183. Any thoughts of All American Drive Service?
  184. 525SC Clone Upgrades
  185. Cooking Gear Lube
  186. Fountain Ballast Tank?
  187. Best Headers?
  188. HP 500 (carb) upgrade options
  189. 38 fountain lightning vibration!!
  190. ??? Blown bravo one drive
  191. Alarm Sounding
  192. 500 EFI starting issue
  193. 502 mpi problem!!! HELP!!!!!
  194. Looks like I need a sea water pump; anyone have one?
  195. Oil leak on BBC
  196. White smoke from port exhaust
  197. Aeromotive fuel pump pressure drop?
  198. can i use a automotive water pump for circulation?
  199. Trim Switch
  200. choke problem ( I think )
  201. 502mpi ps/oil coolers set up on 496 build
  202. biloxy talkoffshore
  203. Stainless Marine OR EMI Replacement For Stock Exhaust Manifolds
  204. prop selection
  205. EMI thunder thread on bolts
  206. Both motors, #5 exhaust valve N/G
  207. mercruiser mpi wont start
  208. 500hp valve spring replacement
  209. corsa, 1 not opening completely?
  210. WIX Racing Oil Filters
  211. 500 hp short block
  212. Bad day on the water for 1 motor
  213. RPM loss on engine rebuild
  214. Does Livorsi still make the post style connection?
  215. Help needed fast intercooler
  216. Merc 500HP "Blue Motor" Cam & Heads
  217. GEN VI flywheel info needed
  218. x dimention
  219. Tubes on drives to induce cavitation
  220. Steering, Has anyone installed the Teleflex HPS rotary helm?
  221. Fresh water flush questions
  222. Bravo 1 forward- reverse clip question
  223. Digital Gaffrig Gps
  224. Steering Question
  225. exhaust muffler tip question?
  226. Exhaust Extention Questions
  227. Trim display outside your normal trim angle
  228. E3 Plugs?
  229. Question about cast iron exhaust and changing risers
  230. choice of 2 cams
  231. K-Plane and Trim pump fluid.
  232. Bravo X vs XR
  233. Help--got Gas??
  234. No Voltage to Port
  235. prop shaft wobble bravo 1
  236. Water temperature for 6.2 liter mercruiser
  237. 10' gw invader
  238. Question for the carb Guru's
  239. 92 Nova Steering Wheel Replacement
  240. need 496 experts again fuel prob?
  241. Gimbal bearing pullers
  242. Upgrades for 2000 7.4 MPI
  243. Intake gaskets
  244. Air hose from valve cover to breather
  245. what is this beeping noise?
  246. warning beep?
  247. 502 Oil filter questions w/HP500 oil Thermostat.
  248. 496ho constant beep
  249. Survey items on 1999 HP 500's?
  250. 42 fountain
  251. bluechart and C-Map
  252. electric fuel pump questions
  253. more Rochester Issues
  254. thermostat 454mag mpi's
  255. Best oil for 502 MPI?
  256. Eliminator Ride guide, new cable or replace with new helm as well?
  257. hulls, are newer hulls faster then older ones, do they change that much?
  258. msd
  259. Valve Cover Gromets
  260. Best option for 5.7 Mag exhaust replacment?
  261. How much HP was left on the table HP 500 C/R
  262. MEFI help needed
  263. CMI E-Top through prop
  264. 496ho warning beep
  265. Carb backfire?
  266. The HP numbers are in
  267. Use big cam and big heads or procharger
  268. Why use a Crossover vs. water pump?
  269. 502 Mpi Not Starting!
  270. Mercury Outboard Wiring Diagrams
  271. oil cooler water flow question
  272. Wood Floors similar to Cigarette Playboy
  273. any info would help
  274. Ride guide, new cable or replace with new helm as well?
  275. Mufflers for dry exhaust?
  276. 498 Stroker almost complete, few more ??
  277. Water Pressure Gauge Hose, what to use?
  278. Head bolts or studs
  279. hp 500 heads
  280. RPM and Thermostat Advice
  281. slave solenoid
  282. Which coolant in a 496 Mag
  283. Water flow and overheating issues
  284. cross overs
  285. leverage wax on new paint?
  286. msd for tach ??
  287. Sea Foam in with the oil 496HO
  288. msd slip collar
  289. Need Reversion Help
  290. 211 liberator with 350 mag engine upgrades
  291. Seawater Pump - Impeller Replacement
  292. Trim Tab problem
  293. 502MPI Oil Temp
  294. Scan tool for 502MPI ?
  295. Help wanted on Sixdrive
  296. VAPOR LOCK #&%! BLOWS (help!)
  297. Prop Slip to High?
  298. Power Steering "stiff" on my 454 Magnum
  299. i need a part number
  300. Coan 2 speed transmission
  301. Octane and compression discussion
  302. removing corrision
  303. 496 Loosing Antifreeze
  304. 502 MPI RPM Issue
  305. 454 Mag buildup
  306. Best Batteries?
  307. Intercom's
  308. Changed flappers to external now water reversion?
  309. Polishing Keith Eickart Exhaust
  310. Brand new k-planes- one sticks when down, HELP
  311. push rods
  312. Merc. 454/ 330 Torque
  313. How high can you safely mount a remote oil filter?
  314. opinon on jet docks
  315. Need help stumped...
  316. Just got a stinger 260 I need some help
  317. Wipple ECM upgrade- 496 Mag HO
  318. Engine compartment LED's
  319. Mcleod Electric Seat Wiring Diagram
  320. hydraulic drive stands
  321. 1985 40' Excalibur...
  322. Depth Finder Wire
  323. Cabin carpet - Dye POSSIBLE
  324. trim cylinder leaking
  325. Livorsi speedo light
  326. Engine builder question Help!!!!!
  327. SBC 350 Mag Exhaust Headers
  328. Help w/ Livorsi tach zeroing @5000rpms
  329. Rear Motor Mount Setup
  330. rods bluing
  331. Whats a good Valve Spg. - Rem./Inst. tool
  332. broken valve stem seals
  333. Holley Marine 830 leaking?
  334. performance fuel pump relay?
  335. Starters
  336. Valve springs
  337. carb spacer or not on dart intake
  338. odd bank of my engine is warmer than the even
  339. Alpha One Gen 2 Water Pump Parts
  340. Broken bolt. Mechanic liable?
  341. 502 flame arrestor
  342. few questions
  343. External Steering question
  344. How to buff and polish with Leverage.
  345. flame arrestor size???
  346. best fuel pump for me
  347. How accurate is the liquid filled speedometers??
  348. building a smal 177l blower motor
  349. Merc Blue Paint. B8110
  350. crossover hoses
  351. ring gap?
  352. Anyone run the Automotive Crane HI-6 box?
  353. Themostat/crossover questions
  354. Pompano Beach Mechanic
  355. spark plugs
  356. Any Snap-on\Mac dealers?
  357. 496 Ho Exhaust Heat Sensor
  358. Painting a DART INTAKE????
  359. Ramco Fuel Filters
  360. OK, new question :)
  361. Dart Intake...Will it work on my 489?
  362. Water sender question
  363. wont pass 1500 rpms and pops all over the place.
  364. Bigger Blowers. How much gain?
  365. Northstar 6000i Problems
  366. Where to buy new rub rail??
  367. 502 rebuild
  368. 496HO Circulation Pump.
  369. Stock Fuel pump max HP
  370. Bench flowing carbs (How I spent my Saturday)
  371. Wont trim up at speed
  372. What causes gas to turn white?
  373. Cats?
  374. Q-Jet hard starting and stalling at idle
  375. BBC oil pump
  376. Carb HP 500 effect of compression ratio on jetting??
  377. Whipple or Raylar: Problem Free or Not?
  378. OHM reading on plug wires
  379. dead boat, used once. :(
  380. Steering
  381. spark plugs engine temp.
  382. Oil Pressure sender for Livorsi Guage.
  383. plug wires
  384. How much HP do you guys think
  385. 406 Still Giving me a hard time.
  386. 94 gen 5 oil filter question
  387. 1985 wellcraft nova ii
  388. k-plane questions-mainly indicators
  389. Anyone running a GPS speedo head off their Garmin GPS output?
  390. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  391. Hot Coil / No Spark EFI
  392. Rear Seat
  393. Livorsi GPS Antena Battery Thread
  394. 1985 Baja 240 Sport
  395. What is this stuff (goop)?
  396. Evapo rust is Magic
  397. k-plane location??
  398. 500 hp 502 Flame Arrestor
  399. Raw water pump mercruiser 7.4
  400. Bravo 1 bearing installation
  401. Thunderbolt IV Timing 383 Stroker
  402. Barnicle REMOVEL Help
  403. K.K. Trim tab (install)
  404. Livorsi GPS Antenna Help
  405. Prop question for my Powerquest Vyper...
  406. Steering wheel alignment
  407. Touchless Cover
  408. M&W Turbo Kits
  409. Auto halon rebuild
  410. who has some merc press. relief valves???
  411. What would your service dept have charged
  412. Questions about installing bravo 1 and transom assembly
  413. Best way to ship a drive?
  414. 496 cooling circuit
  415. wellcraft nova
  416. Sea strainer installation
  417. Blower guys, are you running AFR guages??
  418. Push rod length
  419. dewinterized the boat and it doesnt look good
  420. looking for prop
  421. questions about my 1983 Corsa 31 foot
  422. Fuel injector flow rate
  423. 502 carb jetting help.
  424. Need Help
  425. trailer guide-ons
  426. fuel pressure gauge install
  427. Seawater mounted Fuel pump, what is in, what is out?
  428. Plug Gap and Timing - SBC
  429. 1996 Baja Twin 2002 Hp 500 Efi Help
  430. GPS speedo - no reading
  431. help
  432. Imco 3 port fuel switch
  433. 496 ho.s run very rich
  434. Swapping out Controls
  435. upholstery
  436. porpoising problems 24 superboat with twins
  437. GPS batterys
  438. Is this for a Bravo 1 drive?
  439. Gil exhaust install problem
  440. Go Fast With Some Room?
  441. Thru hull exhaust noise abatement / muffler
  442. Need help ASAP Please with losing power steering twice now
  443. Exhaust block off plate leaking-502 mpi
  444. speedo fluid?
  445. boat lost spped after chiller installed 575Sci's
  446. 454 oil cooler
  447. 502 MPI rocker help
  448. 1993 454 Mag Piston Rings
  449. Arriva Engine Replacement
  450. Pro charger Cooler
  451. Water temps on both motors
  452. Fountain 29' Open Bow Conversion
  453. Bad Lifters - Now what?
  454. Zero Effort Cable Ends
  455. Newbe to go fasts
  456. corsa dash switch
  457. Q-jet jetting
  458. Yet Another Muffler Delima Thread
  459. Wiring in new DC panel
  460. Prop and Header question
  461. Merc 525 EFI injectors
  462. Basic Plug Stuff
  463. Comp Test results + help with diagnosis
  464. trim indicator cable
  465. 12:1 compression ratio
  466. 1994 454 Mag EFI dies randomly at idle speeds
  467. trim tabs for 89 baja sport 250 with around 450hp
  468. 575sci spec?
  469. Quiksilver Digital Diagnostic Terminal ?
  470. Whippled mx 6.2
  471. Preload 1.7 Crane
  472. 454 --> 496 Build Check
  473. 496 ho serpentine belt
  474. 94 502 MPI cam question
  475. 1995 454 mag mpi cuts out
  476. MSD Box w/ a Thunderbolt Distrib ????
  477. bravo trim pump noise
  478. Volvo Penta 5.7l hesitation
  479. North GA Machine Shop Recommendation?
  480. exhaust ????
  481. Bmax Drive Reservoir
  482. carb. rebuild time
  483. Royal Purple Oil Filters
  484. Engine oil cooler leaking
  485. Engine oil
  486. outdrive
  487. Gibson Bullet Mufflers
  488. boat oxidation
  489. High oil pressure question.....
  490. Dynoed Hawk 525 today, had a problem...
  491. black streaks from snaps?
  492. Bottom Surface Scrubbing off Speed?
  493. Getting ready to do bellows:
  494. Best price on GAUGE BEZELS
  495. Mercruiser 400 TRS
  496. Merc Trans - Any demand or Value
  497. 500 hp carb set up
  498. Help with a SN ID
  499. Flushing the old oil from engine and outdrive
  500. Livorsi bezel popping off