View Full Version : General Q & A




  1. 575SCI water in cylinders
  2. Alpha y pipe and block off plate bolts and o ring
  3. Polishing aluminum valve covers, what to use?
  4. Oil-line hookup on my Gen V HP500.
  5. trailer help
  6. New help with a few issues on new motor install...
  7. Risers too hot?
  8. Supercharger help
  9. K Plane and Extensions Box?
  10. Merc prop defect in casting?
  11. 502 efi problem
  12. Loss of speed over 3800 rpm
  13. ignition timing/super charged
  14. After Market Fuel Injections
  15. Battery/Wiring/Switch Question
  16. Exhaust exit help on Baja 226 Sport
  17. 454 mercruiser ex manifolds
  18. MEFI 1 xdf file
  19. Power Steering Dump Cap Replacement
  20. trs drives
  21. Rebuild kit for 9780s carburator.
  22. Powered Stern Light...
  23. Please help! Complicated reversion problem
  24. 525 sc intake manifold
  25. Varnish And S##t In Fuel Tank Cleaning
  26. Ignition timing, idling woes, Opinions of what to trouble shoot?
  27. Use Rev Limiter or Let Carbs Limit Revs?
  28. 502 Stroked to 547 - Oil Cooler Suggestions
  29. Nav light switch is hot
  30. 115v AC wiring help. With diagram
  31. setting cam endplay with cloyes 2 piece timing cover
  32. hydraulic fluid
  33. Adding an oil temperature gauge to a 496
  34. 565bbc numbers
  35. Horsepower vrs. Torque
  36. pros and cons of bravo three
  37. would anyone be able to give me some eyes in clinton, mo
  38. 540
  39. 502 water pump which hose?
  40. Tab Pump Issues
  41. best water pick up for cat stepped hull
  42. Help Water in oil... Alot
  43. Bravo 1.65 gear sets
  44. what cam and prop fot 454
  45. Weak valve spring symptoms?
  46. Prop hitting drive??
  47. Merc 454 carb to 496 HO?
  48. donzi 26
  49. Mercruiser Starter Switches.
  50. 502 Inectors
  51. Weird issue
  52. cam help... 496 bbc
  53. boat not wanting to accelerate off idle formula 242 ls 502 mag
  54. Hallett 300
  55. Mag Vs HO engines
  56. 496ho gremlins strike again
  57. HP500 procharger..how much boost ?
  58. Fuel pressure regulator?
  59. yellow corvette c6
  60. 460 Ford Berkley Jet
  61. 525SC fuel pump part #
  62. Low Hp Air or Exhaust
  63. 2001 28 td daytona
  64. Eickert Oil Pan /oil Pump Set-up
  65. Staggered Engines
  66. 525 Problem
  67. Wiring diagram
  68. Tips or no?
  69. 496 Crank sensor intermittent? no code?
  70. Goto 540 or Tweek out the 489
  71. bravo coupler
  72. 97 bravo one specs
  73. Sea Strainers
  74. 600 sci fuel pressure too high
  75. Anybody Notice?
  76. boat stall
  77. Fuel flow problem. Help!
  78. 502 water pressure
  79. 454 submerged in salt water
  80. Bulldog 420 hp Tempest Sport 32'
  81. need a ecm
  82. trim problem
  83. Trim Probelm
  84. 454 mpi overheating or not????????????????
  85. 496MAG to codes, but wont run W/O
  86. Sand T stake
  87. Diesel Power
  88. ocean marine a/c unit wiring diagram needed please HELP!
  89. 496 MAG HO ECM Mods
  90. Old Ethanol Fuel – Add Fresh or Just Burn it?
  91. Prop washers
  92. Intake and Carb ?
  93. anybody heard of this company or have any experience with them?
  94. 454 mpi overheating
  95. tachometer issues
  96. Gen 4 max bore??
  97. Looking for 502 MPI Roller Lifter Help
  98. E-3 plugs in a 454
  99. Hin Manufacturer Question
  100. 502 hydraulic roller problem??
  101. hotboatjet
  102. Q-jet jetting question on modified Mercruiser
  103. PowerBoat P1 Driveline Torque Sensor Device
  104. Hardin Marine stainless steel sea pump with the cross over
  105. Installing oil coolers on a smallblock alpha, crossover set up
  106. 502MPI - Odd IAC and spark readings
  107. Bravo water pickup hose inside the transom assembly ??
  108. 454 Mag Mpi Issues
  109. edelbrock heads vs peanut port for 454....
  110. 502-454
  111. k-plane trim limit..
  112. Innercooler cores
  113. Engine Guru's - Need help-Take a look
  114. ezstriper , part number please ?
  115. power steering cooler leak?
  116. 525 Efi
  117. Mercruiser 350 Bravo, ignition timing questions
  118. 454 rebuild help please
  119. sea strainers
  120. Engine hatch hinges and removal
  121. 575 upgrade
  122. Bolster pump leaking
  123. Rockers coming loose
  124. donzi zx 28
  125. 350 Sci Verado problems?
  126. Boat darting right randomly
  127. Which Heads for a 496 Stroker
  128. shorepower battery charger shuts off after 24hrs
  129. 502 Overheating --- help
  130. imco or sportmaster lower unit vs xr lower unit
  131. Crack in Sportmaster Lower
  132. Weird metal markings on 300 ProMax
  133. 502MPI - Intermittent Crank, No Start
  134. 500HP max RPM
  135. marine circulating pump versus automotive
  136. Adjustable fuel pressure regulator
  137. short in ignition?
  138. altenaor ?
  139. sunblock stain
  140. 7.4 MPI running rich
  141. Hp 525 Wiring Issue
  142. Engine temp question
  143. 2000 Fountain Battery conection ????
  144. fuel pump
  145. K plane thru hull fitting question
  146. Any empty trailers moving South from the N.E. to S. Florida?
  147. 454 Project Questions
  148. Help with Shift problem
  149. Need Help ASAP
  150. Block Drain Problem
  151. Timing Chain vs Timing Gears
  152. Oil pressure drops to zero
  153. trim tab install
  154. Mercury 525efi ECU question
  155. 350 vs 383
  156. Carb HP500's Question
  157. Found the Problem with Oil out of exh!!
  158. Hp500 Oil Stat
  159. Honda 2000i Generator
  160. IAC Help?
  161. 575 Sci
  162. oil filter change oil pressure loss
  163. Formula 272 SR1...lost steering while running hard
  164. MAG MPI intake manifold options?
  165. Right prop??
  166. 3 wire sensor on 7.4 mercruiser.
  167. Need Help! Alpha Transom Assy. question
  168. Oil coming out of exhaust
  169. vinyl cleaning help.
  170. power steering line pics..
  171. 454 Mag overheated now not running right
  172. Jetting with innercooler
  173. Hydraulic Helm
  174. Looking for a 24'- 27' open fish like this...
  175. Re-powering question
  176. Any tricks to getting AN fittings to seal?
  177. 454 build questions on cam and carb
  178. fuel injection time
  179. Need a New or Low Hour 496
  180. where to order parts for 500efi heads
  181. Procharger crankcase breathing
  182. alt belt length 454
  183. upgrade a 7.4-330hp?
  184. baja 235 force no pulling rpms
  185. Header leaked water into heads
  186. 496 Mag - OIL PSI CKT LO
  187. 496HO - Hard starting - Need help!
  188. 454 mag efi fuel issue?
  189. BBC 2 Bolt main block hp limits?
  190. Sea Water pump hoses..
  191. Stumped????
  192. Trim Indicators
  193. gps speedo question?
  194. 502 Whipple Idle HELP
  195. Formula 370 SS Prop Upgrade
  196. ECM baud rate
  197. Water Passages Blocked??
  198. 600 sci stage 1 and stage 2 kit
  199. hyd steering leak at control valve
  200. Power Steering boiling over..HELP!!
  201. fuel return line ?
  202. E 10 fuel
  203. Mercruiser 350 MPI
  204. 502 carb
  205. Bravo 1 lower unit
  206. 2010 350MAG making ticking noise, lifter or exhaust leak?
  207. water pump for 1000hp
  208. Gen 6 BBC?
  209. 100+ mph boat????
  210. props to buy for a 29' carrera effect
  211. fuel tank return line
  212. Have to Pull engines for new Couplers What should I inspect replace.
  213. ?? Installing Engine
  214. Westerbeke 4.5 question
  215. Please check out my Post in Cigerette Forum "Heres one as I scratch my head"
  216. Old ethanol gas
  217. Hynautic Helm Conversion
  218. Stereo stuff
  219. where to buy stbd mount ps/alt brackets...
  220. 500 EFI Fuel line to 502 MPI Cool Fuel Box
  221. HP 500 Carb'd Cam Upgrade Selection Expert Advice Needed
  222. HP 500 Cam Upgrade Selection Expert Advice Needed
  223. Trouble Bleeding 496HO Cooling System
  224. Leak/Pressure testing headers
  225. Anyway to make Hardin “silent seal” flappers quieter?
  226. trim switch livorsi type throttle
  227. How to hook up a thermostat housing
  228. Mercruiser Rev Limiter?
  229. Dart Pro 1 heads what plugs
  230. CMI headers for small block
  231. Looking for new Steering Setup
  232. outdrive not lowering
  233. what plugs to use?
  234. Picking up a new boat this weekend....
  235. Rebuild what do you guys do??
  236. Ignition trouble 7.4
  237. White Smoke
  238. headliner
  239. Db Help
  240. flush a oil/power steering cooler??
  241. New (old) Cigarette
  242. Procharged or not?
  243. Need oil line diagram
  244. Water in Bilge - Y-Pipe?? Please Help! - Summer Too Short in WI
  245. engines problems
  246. get me to 70...
  247. Oil filter bypass.
  248. 454...is it a HO or not?
  249. 350 riser bypass
  250. 500HP Carb idle & Choke adjustment
  251. Another oil question
  252. What Props should I try for my DCM Mach 22 500 HP??
  253. baja 270 Captain's call problems
  254. alum heads/intake and perf exhaust worth it?
  255. Hatch Lift Switch
  256. Hour Meters
  257. Kiekhaefer Aeromarine Riser
  258. 496 Ho Iac
  259. 525EFI Tech Questions?
  260. Merc Racing 525
  261. Oil pressure question........AGAIN !!!!!
  262. thru hull andf Y pipe question
  263. Wter temp with crossover to low
  264. Cooked starter, solenoid?
  265. alternator upgrade
  266. 496HO Running Rough
  267. 38 Cigarette Racing Dash Board
  268. 700sci ?
  269. Reversion??
  270. 496 whipple problems
  271. BW Trans question
  272. Thumper Cam
  273. Vapor / Air lock Help !! ????
  274. what props for this boat??
  275. Best way to add 02 sensor?
  276. engine heating up past idle
  277. Drive shaft to tight in gimbal bearing?
  278. Think I blew a drive or U-Joint HELP!
  279. Need help fast 502 gear lube bottle connections
  280. Solid roller lifters......
  281. power steering fluid or ATF in stock Merc PS?
  282. 502 or 496 HO
  283. 415HP 454 Build Question
  284. efi to carb??
  285. restarting my whole motor project! need some advice
  286. electric fuel pumps
  287. cam spec,s 370/hp merc
  288. Engine Remote Starter Switch
  289. Timing Advance for GM Vortecs?
  290. HP500 Flame Arrestor Decals
  291. 500 EFI exhaust length required to prevent reversion?
  292. Mercruiser cool fuel question
  293. where can i find exhaust plugs from thru-hubs
  294. Best Intake for a 522BBC
  295. silent choice wiring
  296. Spark Arrestor???
  297. Stock exhaust vs stainless marine exhaust
  298. Another melted exhaust hose
  299. engine shops
  300. carrera cat prop size
  301. 502 Mag MPI HP and TQ Curve
  302. Powersteering Pump Reservoir
  303. Blower Clearance
  304. buying a new oil pump!
  305. Mercruiser 425 gaskets Help!!
  306. Gen VI Mag piston rings?
  307. Breather for oil fill tube....
  308. Removing pully from sea water pump?
  309. Got CMI's?
  310. Need Exhaust Manifolds 350 Mercruiser
  311. oil filter
  312. 525 Bouncing Tach?
  313. starter on hybrid engine combo
  314. Wideband O2 target WOT
  315. alternator/ps hitting cmi headers, what can i do???
  316. Low Oil Pressure on Rebuilt 454
  317. 4 cylinders on one bank fowling out
  318. Raylar "CoolGap" intake manifold
  319. Distributor Cap ?
  320. 454 Merc and a Rough weekend running Offshore
  321. OMC 5.0L exhaust
  322. 572 intake and carb options??
  323. Help Please. 5.7 Alpha One 1990 model Mercruser wiring problem
  324. 500 EFI powersteering pump
  325. Engine Dyno/Tune in Midwest
  326. Stainless Marine 502 MPI risers work on 500 EFIs?
  327. Problems with my #3 Speedmaster
  328. water pressure guage questions
  329. Violent sound and vibration from drive/motor and leak!
  330. Can we post pics on here?
  331. 572 stroker What to do with EFI
  332. Mufflers
  333. fuel pump pressure
  334. mercruiser 10 pin plug extension
  335. 6.2 MX knocking
  336. Valve guide wear
  337. 525efi's WON'T START
  338. Mercruiser Thunderbolt Ignition Question??
  339. Strange fluctuations with trim gauge
  340. Switch problems, please help!
  341. AMC 401 in a boat
  342. fuel pressure issues - pulling my hair out!!
  343. Engine alarm constantly on help 500efi
  344. need xome help - large leak from power steering ram
  345. 496 raw water pump?
  346. would Ls6 heads be good
  347. 5.7 Mercruiser 2005
  348. Electric fuel pump return
  349. fuel pump not getting power on '97 454 MPI
  350. Hard to shift back into nuetral under load.
  351. bravo1 trim not going down
  352. Spark Plug Changes?
  353. Freeze plugged popped!
  354. wheres the neutral safety switch on a bravo setup??
  355. holley fuel lines leaking....
  356. Outboard issue
  357. bleeding hydraulic steering system
  358. bleeding hydraulic steering system
  359. engine hatch on 24 outlaw
  360. manifolds???
  361. What are they worth?
  362. Some Oil Info from the people themselves!
  363. Upgrading to a gen VI 454 what can i use from my IV
  364. Fuel Pressure Required for 454 carbs? my pumps bad?
  365. any SEADOO 951 mechanics ????
  366. Throttles not even
  367. When to tune up
  368. Where to buy 5.7 Longblock?
  369. Soft Wall Exhaust Hose...any experience?
  370. what are drop box asd-8's worth??
  371. throttle stud for holley carb????
  372. 89 454 rebuild
  373. Sea pump HELP..
  374. 525EFI Kill Switch Wiring?
  375. Trim gauge stuck full up
  376. Best prices on smartgraft gauges and acces
  377. Kiekhaefer Controls
  378. cam recommendations for 509 bbc
  379. A Lot Of Questions!! 508 & B&M 250???
  380. Roccard Marine
  381. Engine getting hot...??
  382. intake manifold
  383. fuel pump Wipple
  384. what w.o.t rpm for 1987 mercruiser 350
  385. Anybody converted 5" tails for use on sport tubes???
  386. cobra drive gaskit question
  387. internal or external ballanceing of a HP500???
  388. 496 problem
  389. Alpha 1....keep or move up to bravo 1???
  390. Drive lowers interchangeable??
  391. Weiand Team G Intake????
  392. Excessive fuel usage?
  393. 502EFI Won't rev past 3500 RPM
  394. Max WOT on a 496HO
  395. 496 Mag Warning Horn
  396. Engine mounted off center. Pros,cons
  397. Can this happen again?
  398. cherry neutral safety switch
  399. Boat Life bunks, carpet or Felt??
  400. Which fuel pump?
  401. boat seems " not level starboard to portside"
  402. Lots of water in oil... stumped!!
  403. imco powerflow hitting power steering pump hoses....
  404. HP 500 fuel/water pump
  405. Warlock 25 SXT prop blowout
  406. Mercury Outboard Trim/Tilt
  407. Which oil thermostat?
  408. carb jetting
  409. Whippled 500 EFI Injector help!
  410. What size are nuts for Gaffrig gauge's?
  411. Carb Wizard needed...?
  412. oil temp, steaming oil...:-(
  413. Broken Valve
  414. What are these?
  415. Starting problems...
  416. 502 pistons
  417. 502 cracked block repair?
  418. Prop Washers
  419. Need Help ASAP...!!!
  420. stock 500 efi push rod lengths question
  421. Bravo Outdrive Oil Cooler
  422. New light mast / flag pole?? need a new one
  423. conditions that will trigger a CONSTANT alarm?? someone please help me???
  424. Trouble getting alpha lower in the upper unit
  425. Powermaster Ultra Torque Starters
  426. CMI Headers and drip
  427. LS V8 outboard
  428. Valve cover caps milky after 30 min on hose - condensation or something else?
  429. Amsoil Z rod
  430. Finally had time to go pick up my boat
  431. Had boat fixed, want to verify
  432. gauge bulbs
  433. BBC oil filter mounting
  434. Opinions wanted....MPI or Carbs
  435. cmi/merc
  436. over heating! HELP please!!
  437. Replacing External Steering Hose
  438. 140 or 160 thermostat
  439. Melted rubber exhaust hose replace with stainless?
  440. Anyone on merc-net now?
  441. starter fuse link
  442. 500efi oil cooler removal
  443. starter bottom mount CBB
  444. serial numbers ?
  445. What do you guys use on holes below the waterline?
  446. 3.4 merc outboard
  447. xr / xz
  448. thunder bolt modules
  449. Prop size mirages
  450. engine / coupler alignment issues..
  451. Opinions needed on rebuilt engine backfiring
  452. Mark Iv Bowtie Blocks
  453. moisture meters
  454. Refigerator Question
  455. speed of a 26' checkmate
  456. formula silent thunder exhaust tips
  457. 496 make loud tone when you trun key
  458. vinyl repair?
  459. 502efi VST Line routing/ locations?
  460. Raw water pumps
  461. Raw water pumps
  462. gas fill cap
  463. Gps Speedo
  464. Probably a simple question
  465. Computer HDD Data Retrieval
  466. remote on back of boat for radio
  467. What heads should i use on a 540cui
  468. estimated speed for baja h2x
  469. 7.4 MPI fuel system
  470. 496 ho water pressure tube ???
  471. Port gauges read low
  472. HOW much HP 604CI?
  473. 700 SCI fuel pump rebuild?
  474. imco valve covers clear T&D rockers
  475. block casting #'s
  476. 500 efi getting hot?
  477. Trying to find an oil filter adaptor
  478. machine marine steering upgrade
  479. Help! Smoke on the Water!
  480. Retractable ski pylon?
  481. 502 mag help
  482. Would you own a boat if it was cool and cloudy the majority of the summer?
  483. timing and jetting.... i need small adjustments
  484. Let's talk ignition systems
  485. 8.1 496HO cam swapping, factory cam gear-1 pink dot, crank gear-pink dot and divit?
  486. Houston we have a problem!
  487. Corrugated Marine Wet Exhaust Hose...??
  488. Garmin GPS TO GPS LIVORSI SPEEDO
  489. Aviation Gas 100/130 or Racing Fuel... Really?
  490. 548 running very rich.. Flame arrestor??
  491. oil temp sender location...
  492. Guys need some supercharger advice ! and boat information
  493. NGK R 5671A-9 plugs
  494. Coolant temp sensor
  495. Adapter for 1" hex to tapered 3/4" steering post?
  496. 454 Marine Power Question
  497. 502 MPI hard to start/won't idle
  498. gen VI cylinder head gasket
  499. Trim pump hose fittings
  500. 500 efi short block questions