View Full Version : General Q & A




  1. Jet Black 496ho Oil.....
  2. Sea pump rebuild List
  3. HELP!!!! Merc 350MPI problem! Sputtering
  4. Big Tube Racing Headers
  5. Alternator Pulley
  6. Opinion on 605 Tunnel Ram Build
  7. Oil bypass valve Gen VI 502
  8. Smal block Chevy Mercruiser FI manifold
  9. Fuel tanks
  10. Satellite company?
  11. mercruiser ignition module question
  12. 502MAG EFI motor issues
  13. ZZ502 w 741 cam issues
  14. Boat Vinyl In DE.
  15. Camshaft
  16. Where to Sell PEROZZI 12 ga 2 BBL set
  17. Mating 525 headers to a 496....????
  18. Loose bell housings
  19. help me build a motor.. classic restore on a Martini
  20. Looking for RM builders Ph#
  21. Blower Motors
  22. Anyone Familiar With Buderus Boilers For Sno Melt System
  23. 502 mag mpi al cylinder heads
  24. Engilne Block Drain Plug Help
  25. paging Ram Dom 32
  26. Engine Builders-What head gaskets are you using?
  27. 496HO water pressure-What should it be?
  28. Changing oil thru the dipstick
  29. 320cc or 360cc runners?
  30. Bravo Transom Assembly ?
  31. help please
  32. Hardin Oil cooler with Thermostat
  33. Gen VI 7.4 shortblock
  34. Dyno service
  35. How to disconnect steering cable, TRS ???
  36. What Should The Flywheel weigh
  37. Water Dumps
  38. Checking ampherage draw
  39. Time to rebuild 525's
  40. Blower or not??
  41. 502 carb linkage
  42. 502 EFI injectors
  43. SSM#3 extension boxes
  44. need phone #
  45. What kind of set up is this?
  46. WANTED Reverse rotation Power Steer Pump
  47. Best Oil Temp Sensor Mounting Location
  48. Reliable performance, 496, 525 or 600 any thoughts
  49. BBC Piston Advice
  50. 454 Mag rebuild
  51. How long to go through...
  52. Toy Box
  53. 525 efi ?
  54. 32' & 42' Condor ?
  55. going rates on 1989 330 hp and bravo one parts??
  56. Full cover for boat
  57. Pics of homemade winterizing contraptions/MacGyver'isms...
  58. Arneson
  59. 502 MPI change to Carb
  60. Inexpensive 6-rib serpentine P/S pulley
  61. ITS and extension boxes
  62. Low fuel Pressure: The Sequel
  63. throttle body
  64. Unknown HTC cranhshaft
  65. Resale scarab
  66. Estimated horsepower on rebuilt 454 mag??
  67. thunderbolt ign. ???
  68. 502 MPI vs. HP500 EFI Fuel Injector Size
  69. alternator amp for msd
  70. 500 hp Valve Spring Broke with 6 hours on it?
  71. Will this engine work?
  72. Wiring Harness for Mercruiser 454 carbed
  73. who makes pulleys with same offset as merc blue
  74. Help me understand blower sizes
  75. Headers Question
  76. refreshing my 502's
  77. New BBC build, looking for advice.. anyone out there?
  78. Winterizing made easy?
  79. valve cover breather
  80. marine dyno on ebay
  81. Can I buy Keihin injectors directly??
  82. msd timing curve
  83. 454 Mag carb starting
  84. SS Exhaust flaps inetgrated with tips for 454 mag
  85. 2007 353FT, can't get out of the hole?
  86. Injecting fuel AFTER the blower?
  87. Where's the drain plug?
  88. 496 Mag HO, Questions ????????? Donzi 26ZX
  89. Marine Tex on Donzi hull
  90. Mercruiser gear lube monitor leaks - recommendations?
  91. Shift cable adjustment
  92. 500Efi intake on 502 mpi
  93. need Help with Cam degreeing - What am I doing wrong?
  94. bilge pump size
  95. oil pressure differential .....
  96. 502 MPI vs. HP 500 EFI Control Module
  97. Winterize 496HO???
  98. 5.0GL Volvo Penta Carb/pump fuel issue???
  99. Water in oil!!!
  100. help winterizing
  101. Holley Carbs issue ?
  102. Coating inside of quadrajets
  103. new crane ignition or old one
  104. cam buttons and valve girdles
  105. GEN VI Oil pressure relief valve(s) ??
  106. Head, Heads, Headache
  107. boat and trailer LOA ?
  108. Fuel tank question ?
  109. Valve Covers
  110. What temp. will freeze a 496HO not winterized?
  111. Any Info on a K&K Aero Boat
  112. Has anyone ran extension boxes on a 36 Spectre?
  113. Carb issue?
  114. General Comparison Merc 575's vs 525's
  115. Safe Cruising rpm
  116. bbc too high oil pressure
  117. 525EFI closed cooling, what antifreeze to top off?
  118. Vinyl Repair
  119. Vortec Roller Upgrade
  120. vortec heads and exhaust manifolds
  121. HP OF 1989 350 Mag Thunderbolt
  122. 502 roller rockers ??
  123. 350 high performance intake manifold
  124. Drew Marine Sidewinder
  125. Thermostat's or not?
  126. quick Gen VI block question
  127. Any thoughts here on how to clean the clear plastic on todays vehicle headlights
  128. 28' Cigarette Propeller Recomendations
  129. What do you all think of the M1 procharger for the 500 efi
  130. What is it Worth ??
  131. 86 272 formula prop help?
  132. Bravo 1 has slop in p/s
  133. 502 mpi- keep blowing map sensors
  134. ValvTect Products
  135. Bravo X question....
  136. Mercruiser K Planes 110s
  137. 502 randomly cutting in and out
  138. Thermostat
  139. plug wire ruined?
  140. Fuel tanks, replacement need advice 33' Egg Harbor
  141. Drains in a 454ci carb'd Merc?
  142. racing fuel
  143. Salvage value on a wrecked boat?
  144. HELP! can't find freeze plug on 05 25hp Merc OB
  145. ECM reprogaming
  146. Seawater pump pulley wobbles
  147. Seawater pump pulley wobbles
  148. Fuel pressure drops off idle
  149. HELP HOW TO GET MORE POWER FROM 350 mag
  150. bravo 1 speedo question
  151. Wellcraft Nova II question
  152. Failure Issues with 525's and CMI headers
  153. alignment tool
  154. Fuel Pump
  155. Valve springs (&lifters) for moderate tune-up
  156. GM - 858049 Oval port heads
  157. Freshen motors -- what "really" needs to be done?
  158. Hydro Lock
  159. 496 engine winterizing question ?
  160. Peanut port options
  161. Which headers fit a side mount Whipple?
  162. Oil dilemma -- Need advice please.
  163. Drive fill bottle
  164. Dumb question here!
  165. 575 Idle Question
  166. What will be the result of changing twin to single
  167. Equalizer Anti Sway Weight Distribution Hitch???
  168. OSS Races
  169. 502 EFI top end
  170. 38ZX, 500EFI W/WHIPPLES, Real Speed
  171. 575s
  172. Rear Crossover on intake manifold
  173. Oil and filters
  174. Lovorsi GPS Speedo Stuck???
  175. TRS Flywheel
  176. Cast aluminum BBC gen V r VI oil pan?
  177. BBC PFM EFI supercharger manifold
  178. 575sci vacuum routing to aeromotive f/p regulator
  179. new engine
  180. single gaffrig controls white FS
  181. 496 exhaust how much HP
  182. Exhaust Manifolds already rusting, Warranty?
  183. Need a pictures-Returning engines to stock.....
  184. Flow testing Barry Grant Carb Video
  185. Valve float video
  186. haronic balancers
  187. New Fountain owner
  188. bravo 3 gimball needed
  189. air filters
  190. Livorsi Datatach Prop Slip - Is it worth it?
  191. Bellows question
  192. Rebuilding A Tired VP Engine
  193. Crossover Go-Fast
  194. Can I keep my 496HO from starting?
  195. Hardin Marine cyclone shorty headers/ Gill manifold replacement
  196. RAYLAR, anybody have there kits/motors
  197. Mark IV vs Gen VI Flywheel mounting..
  198. 502 Mag --water in #3 cylinder
  199. Winterizing
  200. Who makes the best cordless impact?
  201. Whipples on 6.2 MPIs & Bravo One
  202. 502 efi upgrade
  203. 496ho procharger
  204. oil filters
  205. 525 CMI , Hose from header to tail pipe ?
  206. how can you marinize an aluminum block
  207. retorque heads
  208. head studs sealers
  209. HP4 Remote filter mounts
  210. Drain plugs...
  211. Oil TSTAT Actuation Temp??
  212. Advice on fuel pump
  213. 4.5" stainless exhaust tips or just stainless pipe
  214. Water Pump 500 EFI
  215. Special thanks to some great supporters....
  216. Brava 1 to Bravo XR
  217. 420 HP cam specs??
  218. Electricaql Help
  219. Piston Failure Modes 101
  220. do i need to run a drive with reverse rotation
  221. Whats the differance
  222. Vinyl Work
  223. Best place for parts?
  224. Help with Diagnosis needed.
  225. khs powerboats
  226. 502 Fuel pump issues
  227. Somebody must know.....
  228. Tear the mutha down
  229. head studs spec.
  230. crane gold roller rockers
  231. Timing Gears for 454's?
  232. XR Drive oil change w/ WPM steering
  233. Hypereutectic w/ Boost
  234. Camming a 598' for endurance and torque
  235. 496 HO's, Procharger, VS. Whipple. VS. Raylar?
  236. CMI ETOP tailpipe conections
  237. Need Cool Fuel Relocation Kit P/N: 861637A
  238. Blower Cam Choice
  239. Best Book or DVD on Transom rebuilds
  240. Hull crack-HELP
  241. 2 speed Marine transmissions
  242. Trim Control Brushes
  243. Mechanical Fuel Pump 500 EFI?
  244. New Interior
  245. How much space is needed?
  246. Fresh Water Flush Kit
  247. Water reversion
  248. smoke / soot from one side of engine?
  249. New 496 slight oil leak
  250. Batteries, isolators, inverters, etc...
  251. Magneto Distributor
  252. Broken pistonrings! what caused this?
  253. what fuel pumps to use??
  254. 496ho procharger
  255. Vinyl Stickers?
  256. J+r Marine Gimbal Repair Or Merc???
  257. mechanical engineer
  258. drive fliud
  259. plug vs drive line gimle
  260. 2000 500 HP w/whipple question
  261. Outboard question for small CC fish boat.
  262. 1996 502 Efi
  263. belt dust
  264. meltdown
  265. 350's to 454's
  266. Gil Exhaust
  267. Tired 454 Magnum
  268. 2" shorty fitment
  269. retrotek??? anyone know?
  270. fluid damper
  271. what size of blower do I need
  272. Idle Air Control Motors
  273. 350 Marnum cam I.D.
  274. Volvo D3 Diesel
  275. How to tell a 454 Mag from 7.4 liter
  276. When to rebuild 525SC motor ???????
  277. need more speed
  278. fuel problem question
  279. Anybody know a formula for this equation???
  280. distributor
  281. need a pair of hp 500 roller cams
  282. How much more horsepower will I get
  283. Latham Marine reservoir adapter
  284. How long is gas good for ?
  285. compression on 2000 500 HP EFI
  286. MEFI 3 and Auto Xray
  287. HP boat security.....
  288. # on Motor , what is it? 525SC ?
  289. 500efi Heads
  290. GM 6.0L small block marine engine
  291. How to winterize a whipple blown motor?
  292. 1990 Scarab 21 Excel 454 Bravo
  293. 502MPI alarm
  294. exhaust questions...
  295. compression test
  296. Tachometer Gremlins
  297. #6 Drives....need advice
  298. power windlass
  299. Merc 525 gaudian mode question
  300. Fountain Questions
  301. How can I fix this? Shift cable housing stuck inside my Bravo bellhousing
  302. 502 MPI rebuild
  303. Need Hp525 Cam
  304. Which way does oil go through the filter? Center out, or outside into center?
  305. 24 volts for my hatch actuator
  306. prop...good buy?
  307. Extension boxes, TRS???
  308. IMCO Steering question
  309. Fuel Tank Pick up
  310. Outdrives, trim out different speeds.
  311. Depth Sounder location
  312. control box trouble
  313. Oil Synthetic or Stock? Marine or not?
  314. Oil Filter for 454 Magnum 1990 Carb??
  315. TRS Trim Cylinders
  316. Acceleraton from blower and carbed motor?
  317. Rock the Bay 2007.
  318. GM's Engine Oil Supplement
  319. Mechanics in Baltimore area?
  320. outboards?
  321. Starboard power steering pump mount BBC??
  322. Stuck Valve ???
  323. CMI E Tops looking for 2 sets
  324. Formula Silent Thunder Ladder
  325. House water pressure
  326. Raw Water Strainer Leaking
  327. 525SC Serial Numbers ???
  328. source for clutch plates
  329. GPS Speedo Install ?
  330. 550 hp 454
  331. Merc 500's.....
  332. Fuel and water pressure connections 454 MAG
  333. Everything but the cam
  334. Secure hoists in Slidell....
  335. Rev Limiter/ MEFI 3 computer question
  336. "Wanted " Holley / Canfields aluminum BBC Head
  337. Bling to the dash
  338. Need bottom injector o-ring/seal in a bad way
  339. Trim tab upgrade
  340. need engine measurement
  341. Onan Gen Set??
  342. trim pump mount
  343. Need 16 Rib B&m / Holley 420 Pulleys
  344. Info on a Kazoo jet boat ?
  345. Merc outboard Tech advice needed
  346. Fogging a EFI
  347. 502 Mag MPI (VST) surges and stalls
  348. Exhaust Tips-?
  349. wierd problem / noise
  350. Does anybody have the EVC spec for the ZZ502 cam?
  351. engine differences, 330, 400, and 420 hp
  352. FasTech Differences
  353. Octane required
  354. where to buy: High flow 140 thermostat?
  355. any info on a '83 20' eagle marine inc boat
  356. Sell platform or install on older boat?
  357. Best Oil for 496 HO's
  358. 454 mag carb ignition module????
  359. Crane 731 or 741
  360. Eliminating TB-V rev limiter??
  361. Volvo Y pipe
  362. 500 EFI Cam Questions
  363. 7.4L mag MPI tops out at 3900 - Troubleshooting?
  364. Distributor
  365. 500HP Question
  366. 496HO Break in
  367. is it water?
  368. Jumpy oil pressure - just rebuilt motor???
  369. Merc overheat codes
  370. Questions for Whipple guys!
  371. Questions for the Engine mastermids???
  372. Low oil pressure
  373. 7.4L Mag MPI RPM / MPH - prop slip?
  374. merc 502 mpi vapour lock ?????
  375. Looking for Bob from austin TX
  376. Replace springs How many hrs?
  377. 70's Magnum Marine
  378. stock 400 cam upgrade question.
  379. Need a Gen 6 502 block
  380. Reversion issue using ZZ502 Cam. Anybody shed some light?
  381. 496 Mag to 496HO
  382. Intake issues, air & coolant leaks
  383. 496ho with CMI exhaust
  384. how many hours before rebiuld on 525
  385. Merc 575 TBI question
  386. Internal tie bar.
  387. Water Crossover with or without bypass??
  388. Larger injectors for 502 mpi
  389. 500 EFI question
  390. 383 longevity question
  391. Gen VI 454 to Dart BIG M Comparison
  392. merc 525 efi motor's need a new home
  393. Does Alpha Drive have enough water pressure?
  394. 496ho or 502??please help
  395. Camshaft for 496 gen7
  396. Raw Fuel from exhaust when we stop...?
  397. milkshake oil and holds 15lbs in crankcase
  398. 496HO v. 525
  399. 496HO v. 525
  400. 454 rebuild question
  401. Battery charger and stereo amps
  402. Procharger help needed...
  403. new or re-manufactured???
  404. Whipple reliability????????
  405. Cougar CUB need info for max performance
  406. speedo problem
  407. 2000, 502 mag minor upgrades
  408. Whipple pulley?
  409. 350 MAG MTI vs 383 MAG MPI
  410. 1987 454 mag 330hp??
  411. GenVI oval intake on MkIV rect heads?
  412. front cover / oil pan seal
  413. Which plugs
  414. no water pressure?
  415. Need 502 Ignition Timing Help
  416. Need power steering pump cap + reservoir
  417. looking for bravo trim cap spanner
  418. trim cap spanner wrench wanted
  419. Pre Lubers
  420. Any Volvo experts? 5.7 Gi vs 5.7 Gxi
  421. Mercruiser 502 Gen VI
  422. Merc 525 EFI Merc 575 SCI
  423. Can I go faster?
  424. First Oil Change
  425. Add on hydraulic steering - what is it?
  426. Dry Sump Benefits?
  427. Vesselview available yet?
  428. which oil pump to use?
  429. Outboard mounting height...
  430. 500 efi to 540 efi conversion ANYONE TRY THIS???
  431. Fitting on lower maniflod?????
  432. windscreen
  433. Best Gauges/ Indicators
  434. Reversion with mild cam???
  435. Identifing an HP500
  436. Steering Problem ??
  437. 575 SCI fuel filter?
  438. Right X-Dimension for 23' Nordic Viking
  439. differance between oils.
  440. problem with Eldebrock carb
  441. gen 6 454 block-1037 gasket question
  442. Silent Thunder Exaust
  443. Lots Of Food, Fun & Prizes< Come On!!!!
  444. Recipe for 800+ Motor
  445. Why not extended tip plugs on S/charger
  446. E-tec vs Verado 250 ???????????
  447. Flushing Bravo 1 with LWP
  448. 500 efi w/whipple life span?
  449. Flexplate Vs. Flywheel......and a stupid question?
  450. Merc575 Spark Arrestor
  451. Fuel Gauge Problem.
  452. spark plugs
  453. Which on board battery charger?
  454. EGT or AFR Gauge and Bung
  455. 502 Mag camshaft
  456. Twin Step Cat X Dimension Positioning.
  457. Quality
  458. Expert Kaama help needed!
  459. Super charger on 454
  460. " IAC Muffler"
  461. Stuck drive rams
  462. Correct trailer tire psi & torque?
  463. Non working GPS speedo
  464. HP increase between SuperChiller/Whipple
  465. Changing axle bearings w/ disc brakes?
  466. T-Bolt IV Question
  467. Where to find Mechanical trim indicators?
  468. Drive Centerline on Single Engine V
  469. merc module timing
  470. Water temp rising and falling
  471. slop in bravo 1
  472. need info on p&d hulls
  473. Engine Flushing
  474. 496 HO engine sound varies
  475. Shallow Water!!
  476. Blower on 500HP
  477. overheating and water in the bilge
  478. over heating problem
  479. Setting points BBC
  480. distributor/cam gear
  481. Belt tension
  482. towing a 29 outlaw
  483. 427BB in a boat??
  484. best oil to use
  485. Did this kill my alterntor?
  486. Bolsters need anchored to the floor better, any ideas?
  487. Stainless Marine HI-TORQUE manifolds
  488. SmartCraft install help
  489. 502 EFI Sudden High Oil pressure
  490. Drive Trim & K-Plane Fluid
  491. watercooled turbo's
  492. Bravo 1, gimble/transom pivot point pic?
  493. 454/MCM Trans/TRS - Died and Won't Turn
  494. Merc Thunderbolt 4 Modules And No Advance.
  495. water pressure questions
  496. Standard vs HP Gimbal
  497. winterizing my I/O
  498. Fuel Pickup Problem
  499. Header Leaking / What to do?
  500. Trident steering hose/reusable fitting