View Full Version : General Q & A




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