View Full Version : General Q & A




  1. help again please
  2. Water Pickup>>>>>transom Mount Or Thru Hull...
  3. Depth Finder
  4. Bravo funky growling noise / vibration very minute
  5. help missing
  6. need stereo amp advice for subs
  7. Seeking Used External Hydraulic Steering or External Damper for Alpha
  8. Overheating issue - Flow restriction due to sand?
  9. fuel seperators
  10. High Humidity
  11. Where can I get gear shift link for 300 promax?
  12. Can I use an HEI
  13. Hard starting
  14. Converting windshield to deflector (IMP Eleganza)
  15. Pita
  16. 575SCi fuel return/fuel cooler question
  17. 575's And Flooding..........???
  18. build motor -- or procharge?
  19. Changing Bravo Drive
  20. 1999 502 mag starting and reving issues!!!!
  21. Water in bildge
  22. Any one Know Specs on a Mercury hp 500 Cam
  23. Remove stainless shims with tie-bar?
  24. Stock BBC Oil Oil Pump Cavitation
  25. finally on the water
  26. 502 mpi fuel pump oil change....
  27. TRS Drvie , play in Gimble
  28. Emi 496ho Exhaust Junk
  29. Brass impeller pump - 496ho
  30. Is this a fuel pressure problem?
  31. Running rich
  32. Morse 33C Cable Ends
  33. fuel pressure 500 hp carb
  34. Oil Pressure Question
  35. OMC King Cobra "popping"out of gear
  36. I need 1 set of Stainless Marine Exhaust for a Gen VI 502. Who's got the best price?
  37. 496 Fuel Pressure
  38. Mercruiser MX 6.2 MPI troubles?
  39. Run Time At W.o.t.
  40. How cool should engine run?
  41. gps speedo sending unit mounting
  42. what is this in the reservoir? Milkshake?
  43. Dyno results
  44. Water Impeller questions
  45. PICS...Adding Oil Temp Gauge...A Few Questions
  46. DUAL DOMINATORS ON BLOWER MOTOR-idle too high
  47. Oil Change Question
  48. zz502 rebuild rpm
  49. Steering play on bravo
  50. X Dim
  51. 502 Gen VI Valve Spring Pressure
  52. Motor Guys - Oil Pressure Drop Under High RPM
  53. low fuel pressure on 525 sc's
  54. draft depth
  55. Baltimore Maryland Need a RH 30 Bravo I
  56. 525 Whipple
  57. 2 different #4 drives, and #4 experts ?
  58. World records
  59. Exhaust Mainfold Torque Number?
  60. Prop Help
  61. Motor hours, 700 -1100 too much ????
  62. Lighting Headers
  63. CMI header ?
  64. Challenger Power boats?
  65. Jabsco Brass Sea Pump
  66. Coil circuit or injector circuit on a Mefi-3
  67. Please Help New Boat Owner- Closed Cooling???
  68. Tab replacement?
  69. Filling K-Plane Reservoir
  70. Holley powervalve answers
  71. Valve Adjustment
  72. Rebuilt motor - not hitting high RPM's ..... please help!
  73. Snake Oil For Batteries???
  74. Anyone have a PN exhaust gasket
  75. hard pull to the left
  76. ISO 1991/1992 Merc racing 465 HP 502
  77. 525efi
  78. MSD plug gap
  79. Stringer Repair - 38' Fountain SC
  80. another "thinking about pro-charging" thread
  81. s b c oil pan
  82. Quicksilver Throttles
  83. Need oxygen sensor GURU help interpreting oxygen sensor data
  84. Bravo 1 Pulls Right Coming Off Plane...
  85. Hesitation problem under load 454 Magnum, I need some idea's
  86. Campion Chase
  87. Volvo DPX Outdrive
  88. Motor Guru's..Need help with 496 low oil pressure!!
  89. water pressure
  90. What Are These Things Called?
  91. help- pulleys needed!
  92. How does this setup keep from ingesting water?
  93. 502 fuel injectors
  94. speedometer
  95. erratic oil temp.
  96. Depth finder help please
  97. Which Supercharger is better?
  98. Anybody running wet exhaust on a carbed HP500?
  99. 575 questions
  100. Slippage?? - Help!!!
  101. Oil pressure for 496ho
  102. Wanted - Merc Oil Pan Pickup
  103. Question on Stepped Hulls?
  104. Ignition timing on HP 500 -97 and later?
  105. what is best rpm for top end on 525SC
  106. where to get parts for mechanical trim indicator drive end components
  107. 95 454 Questions
  108. 454 magnum EFI/MP 385 ECU-remapping?
  109. head epecs
  110. New motors Hot on Test stand ...
  111. How can you tell enough oil is getting up top
  112. no power
  113. What causes a serpintine belt to split?
  114. Where did the thread on the Gen V Blue Motor water pump/fuel pump issues go?
  115. Rollback Hour Meter?
  116. 5.7LEfi overheating
  117. trim pump hose through hulls
  118. Places in Md that does boat wraps(grapics)
  119. SCORPIAN 377 POWER?? Boost??
  120. 525EFI Electric Fuel Pump Upgrade?
  121. trailer lug nuts
  122. Online High Performance sites
  123. Need 2.5 Merc power heads
  124. Need picture of mercruiser engine
  125. I Need a #4 SSM
  126. Drive questions
  127. Hey guys looking for
  128. Boat leaking
  129. Stewart warner warning system in a cigg bullet
  130. Electric or Mechanical fuel pressure gauge ?
  131. New engine tach not working......
  132. 502 oil pressure
  133. Lectrotab Actuators?
  134. Oil cooler scorpion engines ?
  135. Polyurethane to Seal Exhasut Cutout in Transom?
  136. Cooling System hose routing. Is this bad ?
  137. Oil Pressure???
  138. Detective needed Overheating one side only?
  139. Mercury seawater/fuel pump
  140. Connecting 2 PC's together
  141. batterey wiring diagrams
  142. Video Cam Brand?
  143. b&m 420 megablower
  144. What thread sealant on oil connections ?
  145. Silent Choice won't open up
  146. Loss of RPM and TOP Speed
  147. TV's for boats, 12V or 110?
  148. Early 502 EFI question.
  149. Fuel pump Voltage boosters on a Procharger
  150. Merc Neutral safety switch part #
  151. Verify My Oil Plumbing Please - w/pics!
  152. Wankel or not to Wankel?
  153. AC problem
  154. Fuel Coolers ??? Is this a Bad idea or not?
  155. center console
  156. Looking to buy a maintenance manual......
  157. Faria tach/hour meter.
  158. replacing my oil bypass valve-going to a 30#
  159. Merc and their plastic inserts......
  160. Looking for an ECM 454 mag mpi
  161. installing side exit exhaust
  162. Need help with cam choice
  163. dual ram hydraulic steering
  164. trailer ?
  165. how often or how many hours
  166. In need of an ECM 454 mag mpi
  167. Bravo to alpha shift problem?
  168. 454 teague supercharged..
  169. Mercruiser 383 swap
  170. HP 500 Blown UP?
  171. Help with motor selection!
  172. Bravo 1 - Old vs. New???
  173. HP 500 EFI intake setup on a stock 502 ?
  174. Replacing the cuppler this weekend- can you help?
  175. Tuning experts
  176. Any Mercury Verado techs out there??
  177. 496 Mag Electronic Control Module
  178. Oil temp higher when idling vs. running?
  179. overheating small block
  180. Tune up time for 2000 502 (stock MPI)
  181. Volt/AMP Guage??
  182. Sirus Radio reception is crappy!
  183. Interior Cleaner
  184. question on a 486ho problem
  185. Big race in st.clair
  186. Just rebuilt motor... runs hot, what now?
  187. freeze out plug locations
  188. GM Scan Tool
  189. mobil one
  190. RPMs
  191. Merc 300 Verado vs 300 Optimax vs 2.5 OS
  192. where to buy isky red zones or crower severe duty
  193. RPM's surging +/- 200 rpm's
  194. Ilmor 625 or Merc 600SCI
  195. depth finder
  196. Seeking Thunderbolt V6 Ignition Module
  197. Solid Roller Cam Choice
  198. saftey lanyard
  199. Looking to remove Silent Choice from Boat
  200. Bennett Wont Sell Me Parts
  201. wanted,, 8 bolt vortec 5.7 intake for 2 barrel carb
  202. exhaust is melting
  203. WANTED: XR Input shaft
  204. Corteco Gaskets
  205. 575 sci
  206. How much power loss
  207. 377 #5 Dead hole
  208. VHF radio question
  209. Looking for seats
  210. Clear NoSlip paint?
  211. Are these guys any good???
  212. Dart Pro 1 Vs AFR?
  213. Can someone me an idea what happened
  214. Where to find a Bare Big block??
  215. control adjustment
  216. control adjustment
  217. thanks guys
  218. Fuel cooler
  219. What Aluminum Heads To Buy
  220. Holley jets.....how many ## increase at a time
  221. pcv do they help
  222. Slave Solenoid?
  223. Merc 496 HO with CMI sport tubes and procharger
  224. dyno
  225. Hit Rocks,tore Drive Off,checking Coupler
  226. Volvo 5.0 GXI Fuel Problem
  227. Scarab questions can someone help!!
  228. K-Plane Indicators
  229. Pro One Head Spark Plugs
  230. HP 500 Oil Quantity
  231. Rigging outboards what height on 24 Banana
  232. Where To Look 1st?
  233. Mark IV block and Gen 5 heads...1st hand accounts please!!!
  234. Bilge paint and stripper.
  235. Bilge paint and stripper.
  236. Trim tabs....Electric VS Hydro's
  237. Aluminum Fuel Cells
  238. Aluminum Fuel Cells
  239. Best sounding mufflers
  240. I can't find the serial numbers on my engines or drives.. Where to look?
  241. 496 MAG post-break-in RPM gain
  242. Gen V or Gen VI? Questions.
  243. engine temp
  244. motor plans
  245. ECM 555 Question
  246. What is the cause of problems with the hp500 and 502 engines??
  247. Help finding part
  248. Looking for a MERC 383 MPI
  249. EMI Thunder vs GIL Manifold
  250. 280-380s conversion
  251. 82 40' Excalibur Hawk..Good or bad???
  252. Valve job
  253. WTF is up with this???
  254. Finally got my motor back together & DYNOED!!!
  255. disaster situation in my 500hp's !! help
  256. Help AC Install Question
  257. Trouble shoot a 96 5.7 2 barrel, ANY Thoughts?
  258. Overheat HP525
  259. 91 searay wiring diagram
  260. looking for a RH 26P 4 blade bravo 1 prop
  261. Is this a possible alternator problem?
  262. Wix Racing vs Mobile 1 filters.
  263. Fuel Flow Shut off Valve
  264. JE SRP piston identification needed
  265. Drive Issue
  266. flywheel issue
  267. This injection is nice,but I'd rather be BLOWN
  268. Mercury Synthetic, Any Opinion's
  269. 1998 Searay 5.0 Merc Ign Problem
  270. What does it take to burn pistons on a 500EFI
  271. 525EFI Serpentine Belt
  272. 1981 TRS Gimble Bearing Replacement
  273. Paging Doug (Rumrunner)
  274. Machine Shop Stuff for Sale
  275. 377 6.2L Timing procedure MPI
  276. A Question for anyone with an IMCO EXHAUST Manifolds
  277. How do I keep my transom clean?
  278. bilge cleaner
  279. Is there a difference between a marine and auto coil
  280. problems installing emi exhaust
  281. K-Plane trim pump pressure settings
  282. speedmasters, how much fluid ?
  283. Marine Vinyl Cleaning!!!
  284. GM Vortex HP3 8100 Marine Motor
  285. msd coil - high vibration or ss rynite
  286. Hydraulic Steering, single or double ram???????
  287. Looking at a 81 year boat with TRS drive can....
  288. MSD ignition problem
  289. Gen VI Jesel Belt drive?
  290. Video with alignement tool
  291. OSO shirt
  292. Hooking up MSD distributor with Thunderbolt
  293. Low speed porpoise caused by step?
  294. weiand 177 idler
  295. Coil Recommendations for Blown 588" Tall Deck
  296. MCM 5.0 Litre Alternator
  297. Seastrainer needed to stop a slug of sand...
  298. MPI help needed !!!
  299. 502 Oil Filter?
  300. Water in oil
  301. fuel flow gauge for procharged MPI ????
  302. Holley 4175 (spreadbore) on SBC tuning
  303. Ingenius Marine Software
  304. ALL of em at ONCE ?
  305. guardian issue on 496ho
  306. young performance marine
  307. Recirc Pump Question - Bi-directional - Any one heard of this?
  308. Pulling to the right??
  309. engine wont turn up
  310. 454-330 no start????
  311. Fluctuating Oil Pressure Gauge @ 4500...
  312. Fuel Filter Fram vs Wix
  313. Not another 7.4 upgade thread...
  314. Injector order
  315. 22 Scarab fuel capacity????
  316. drives won't trimm high enough at beach
  317. Need Motor
  318. Engine vacuum
  319. Easy engine alignment question for you experts
  320. Weird Problem With Bravo 1 Drive
  321. 454 Mag Mpi Will Not Rev Over 4,000 Rpm
  322. Dart Big M Block Oil Temp Sender
  323. digital fuel guage
  324. 454 gen 5 questions
  325. Fuel fill change,how difficult is it?
  326. Help with my 502 oil bypass??
  327. 350 mpi cranks but wont start
  328. boat wont go in forward
  329. 454 Mag Efi Fuel Pressure
  330. holley jets
  331. How to make three little kids cry....
  332. I need some help
  333. Help Need to find #1
  334. 350 mpi
  335. Turndown exhaust
  336. Carb jetting help needed
  337. Quick and Quiet II
  338. Removing 496 procharger,need brackets.
  339. How do you know if octane stated on pump is accurate?
  340. High Back Bucket Seats
  341. looking for marine tech in mass
  342. Low Water Pick-Up..... Nose Cone.... Bravo... Clog?
  343. 496 HO Belt
  344. Exhaust Tip
  345. Bravo 1 Upper swivel pin adjustment
  346. mefi 4
  347. Moisture meter
  348. temp gauge problem
  349. 496 HO ciruit breaker
  350. Water leak thru transom housing - what can it be?
  351. 454 Bravo One Overheating. Very strange
  352. What type of shift cable do I have here? pic included
  353. Molded Hose From Power Steering Cooler To Bellhousing
  354. gm power steering pump p/n
  355. cracked front motor mount
  356. Blowers Superchargers Whipple Chargers
  357. pinion retainer nut
  358. mefi4b vs mefi 3
  359. stellings orange headers
  360. Fire extinguisher
  361. Timing and jetting dual Holley 4150 800cfm's on supercharged 509?
  362. Need Old Evinrude O/B Help
  363. can controls be mixed around
  364. Trim tab installation
  365. Part # help please. Merc 496
  366. Isky Red Zone with Easy Roll Lifters?
  367. Shipping advice...
  368. 350 MPI hard to start, faulty acceleration, max 4000rpm
  369. 350 MPI hard to start, faulty acceleration, max 4000rpm
  370. 502 EFI crankcase vent question
  371. Coolant leak?
  372. Tyler Crockett 454/502 Engine Kit
  373. Thank You BAM Marine!!!
  374. not enough total ignition advance?
  375. Mercruiser MIV Distributor shaft Diameter ?
  376. Speed
  377. Big Block Marine accessory kits?
  378. I need help please.....
  379. 500 hp valve covers removal
  380. Mercury Thunderbolt ignition module question
  381. Shifting problem, OW Bravo drive
  382. 7.4l Convert LH to RH
  383. Arizona speed pcm tune. (Fuel injected guys)
  384. HP500 Rebuild
  385. low fuel pressure on 525 efi
  386. Procharger, oil pressure and water temp?????
  387. transducer move
  388. A/C Inverter
  389. Prop and Drive Locks
  390. 496 HO broken intake valve spring
  391. broken gimbel bearing???
  392. Need info/advice..32' Hustler
  393. Recurculating water pump or bypass...
  394. Air (Vacuum) assist shifters for Bravo
  395. hydraulic fluid ?
  396. New 502
  397. dominator on a 540
  398. spark plugs....
  399. 496 H.O. Electrical, Battery, Voltage Regulator > ???????
  400. What type of Transmission Fluid?
  401. HP 500EFI's won't stay running after warm restart
  402. Edelbrock top end kit
  403. Ignition Module
  404. Looking for options...
  405. how many BTU,s
  406. new guy looking for some help with 496 build
  407. Dual ram install
  408. Dart Big M
  409. water pump problems
  410. Leaking Trim Pump
  411. all you big horsepower guys.... look at these
  412. Titanium Tail Pipes
  413. 496 mag idle problem
  414. Quick Oil Filter Question Fram HP4
  415. Custom Engine Hatches
  416. Need .040 stocked blower piston... Help.
  417. wow HP loss through Livorsi Bandit mufflers
  418. update on my 496HO problem
  419. What is the best way to "burp" the hydraulic..
  420. Top speed runs?
  421. How do I hook up my Tach to my MSD 6AL
  422. Engine serial number
  423. 34 Scarab III
  424. Ignition Question
  425. rust!!!!!!!
  426. too much small block ?
  427. For you chevy gurus...blower on a stock GM motor
  428. Hydraulic Steering Noisy
  429. two questions.....
  430. water pressure gauge hose
  431. boat running slower in heat and humidity
  432. Mechanical Indicator Cables - How much indication slop?
  433. 5.7lx Cutting Out
  434. An Fittings- How Do You Assemble Without F&*^ing Up The Anodize
  435. Procharger installation on a 500 EFI ????s
  436. 496ho oil filter
  437. Fuel economy??
  438. keikaffer merc racing drive gauge
  439. Changing pick-up coil in distributor-Delco HEI?
  440. Billet Marine water crossover kit
  441. bolster brackets
  442. B&M EFI superchargers
  443. 454 mag rpm question
  444. 454 out of a truck-work in a boat?
  445. Who is using Aluminum heads in salt water?
  446. External steering HELP !!!
  447. Pvs Plugs
  448. Bravo One and Three
  449. Over heating problems on a step hull boat
  450. Riser Gasket question (Mercruiser)
  451. TRS Max Trim?
  452. need torque value
  453. O2 sensor in my CMIs
  454. A.N. fitting
  455. 500 HP Weight ????
  456. Help with 496 Mag HO
  457. Which 496 ECM Diagnostics Manual?
  458. Oil pan size for 496 stroker
  459. I'm sorry...another procharger question
  460. Drive Trim Switch Broke....
  461. Chevy 454 piston rings
  462. Gas Gauge issue - needle bouncing?
  463. 496HO Water temp
  464. 1996 502 mpi water&oil temps
  465. fuel pump shaft replacement 94 502 mag????
  466. Wire diagram chevy 350 mpi
  467. Who can cut me a new dash panel?
  468. 454 mag--losing spark on 4 cylinders :(
  469. When hitting throttle motor is doing weird things
  470. Gaffrig Monster GPS Speedo error?...
  471. smitty
  472. 500 efi starter issue
  473. 496 IAC Output Fault Mystery...Solved????
  474. power valve or not.
  475. Konrad 800 SCI by R-tech Performance
  476. Alarms going off!
  477. 502 Head, Rocker, Intake torque specs?
  478. Gen VI 454 ?????
  479. Help Please!!! Keep getting water in the oil
  480. SBC, seems low on power latley
  481. twin 496ho's one surges
  482. 496ho fuel problem
  483. Idle Culprit
  484. Help? Bravo 1 Question
  485. power steering pump
  486. 525 EFI H2O pressure
  487. Broke my bravo Bell Housing Assembly
  488. Seawater Pump Help Please
  489. Pipe Plugs
  490. Wtb:502
  491. Looking for a Thunderbolt IV
  492. 502 Overheating....Please Help
  493. New to EFI, wont start, no spark.
  494. Mercury 383 MPI
  495. Iac Position
  496. 525 mechanical fuel pump needed
  497. Does it have a Rev Limiter
  498. Does it have a rev limiter
  499. Bravo Coupler Qustion
  500. What should my average oil temp be on a supercharged 454