View Full Version : General Q & A




  1. Fuel system
  2. 598 CI AFR 385CC CNC BBC Heads!!
  3. 502efi's oil temp senders
  4. Crane Hi-6m Manual
  5. gill hp 500 exhuast
  6. Question for the cam guys
  7. 741 cam specs.
  8. 2V vs 5V stereo amp output leads
  9. Mirage Plus prop fit an Alpha drive??
  10. Silent Choice - is reversion more likely at idle or at cruising speed?
  11. 1/2" fuel tank inlet
  12. Blower Motor Exhaust Manifolds
  13. 496 Fresh Water Pump Assembly
  14. fuel filters/screens on 454 mag mpi's (where)
  15. 500 EFI - vapor lock??
  16. K-Plane Indicator Cable
  17. Oil restrictors or plugs?
  18. Hydrolocked 420
  19. Stock Gen VI valve covers versus HP 500 covers
  20. 496HO Fuel Injectors
  21. Line up Drives.
  22. Will new emissions laws effect custom boat builds?
  23. Strange Engine Noise
  24. Will a Merc outboard prop go on an Alpha?
  25. Need Help pls--Reversion!
  26. 525 Efi Spark Plugs
  27. High water pressure
  28. Trim pump set up . .questions
  29. Chrome Air Intake Scoop ?????
  30. 5.7 sbc exhaust manifold
  31. Fuel Tank Placement
  32. help full tip
  33. What octane fuel for 420's?
  34. 454 mag water hoses? where to get affordably!
  35. 2x18 combo oil cooler
  36. 500 EFI Fuel Pumps - Formula
  37. exhaust manifold block off kit
  38. GPS Speedometer
  39. Ateco 500efi upgrade
  40. Oil Pressure Gauge Pinned
  41. 588 CI BBC 14-71 littlefield/intercooled
  42. Remote oil filter
  43. old transducer - new depth gauge
  44. Jet change needed?
  45. spark plugs
  46. Exhaust tips with internal flappers
  47. just for fun: cheapest way to make 800hp????
  48. Would this work?
  49. Through Hull Exaust trim
  50. gen II to bravo one
  51. reversion questions with a 741 cam
  52. outboard installs
  53. V-bottom vs CAT
  54. GT Performance Engineers Upland Ca...any bad dealings?
  55. Looking for Dana Headers...
  56. Think I need a different prop?
  57. Buying Motor from GT Performance Engineering. Have Tech Q's
  58. Valve Spring Spec for 500 EFI
  59. fuel/water seperator w/drain
  60. nose cone epoxy
  61. what % of h.p lost between crank, and prop.
  62. Hinge pin removal. Drill?? Any tips welcomed
  63. adding a portable get to a fountain
  64. Anybody running Lightnings with Silent Choice or Corsa?
  65. 500EFI Valve Spring help.....
  66. Gasket ?
  67. 30 motion
  68. Mirrored Plexiglass
  69. Mercruiser Parts Webite???
  70. Carpet adhesive
  71. Boat Covers
  72. Boat Covers
  73. approximate horsepower!
  74. HP-500 what RPM max.
  75. Wet Dream II
  76. zero balance BB flywheel
  77. External steering with Hynautic helm
  78. wipple?
  79. Need advice/opinions please on buying this boat.
  80. Boat ladder
  81. Mercury Racing 700's Very Hard to Re-start
  82. Rigging Question
  83. NEED HELP! - Bravo Engine Mounting Question
  84. oil cooler install question!
  85. Bravo Transom Assembly Re-Installation
  86. Gen5 or Gen6 differnece
  87. Engine Coupler Issue?
  88. Water pickups
  89. Need Quick Answer Before buying this boat??
  90. merc smart craft
  91. Which valve springs?
  92. Latham rams on imco extension box arms?
  93. Priming Engine with Oil
  94. extended runner mod for Holley Strip Dominator?
  95. How to tell what gen big block you have?
  96. Bravo Upper Drive trim guide crack repair
  97. South Florida Dyno?
  98. Aluminum on transom?
  99. how much can you drop comp with a head gasket??
  100. Trailer fenders
  101. scarrab HELP
  102. Prop help
  103. Through hull water pick up epoxy
  104. New Motors: 540 carb Natural asp. or 454 blown?
  105. Decisions, decisions... square or oval port for 489?
  106. msd. vs. delco dist
  107. crossover cooling systems
  108. Carburetor recommendation
  109. Full closed cooling system.
  110. Small rocks in oil filler tube???
  111. Wanted BigBlock Chevy Marine Performance by Denni Moore
  112. Cam limit before reversion occurs
  113. Anyone know the factory torque spec for a 500 EFI rod bearing?
  114. What valves are used in the stock HP500 heads? 1999
  115. Trans fluid?
  116. Merc/CMI service bulletin
  117. Cam Choice
  118. 496/525 top end
  119. These gaskets don't look correct
  120. Race Fairing
  121. 500 Efi Drain plug locations
  122. drive yoke
  123. Crack in 454 Alpha, your thoughts please
  124. Exhaust Dyno Charts
  125. Making Power with engine temp?
  126. Exhaust manifold Merc BBC stainless bolts from ARP
  127. OMC to Mercruiser swap question...
  128. computer reprogram 454
  129. mercruiser Denso Harness info needed
  130. Water circulation issues
  131. Refresh on HP500, which gaskets and what oil pump?
  132. camshaft id
  133. HP500 Heads and goofy rocker...???
  134. 500 EFI alignment
  135. 42'sonic trailer
  136. Sony Subwoofer Installation
  137. 454 to 496 Dart p-1s what cam?
  138. bbc 1.7 rocker arms
  139. intakes?
  140. 225 Merc Opti max question
  141. Engine not level?
  142. K Planes on Formula 242
  143. Eickert Tail Extention
  144. 502 MAG compaired to the 454 mag
  145. BBC alternator brackets
  146. No swim ladder, OK to step up on K-planes?
  147. Blue Motors
  148. Mercruiser Stainless Risers
  149. need help with a wiring schematic
  150. dry exhaust questions
  151. rpm airgap
  152. Raw Water Pumps
  153. bb chevy tapered exhaust manifold spacer
  154. Bravo shift cable bellow
  155. SBC with AFR 180cc
  156. Serp. belt conversions really worth it?
  157. Fuel Lines Fittings
  158. Will stock Merc/GM windage tray clear stroker crank?
  159. Polished Stainless
  160. MSD Ignition
  161. Help - looking for water 525sc water pump part
  162. Gimbal Housing?
  163. Braided Line / Fuel Permeation
  164. Jetting my 250 B&M and 1050 Carb...
  165. 502 mpi procharger fuel system questions
  166. Indmar Aluminum exhaust manifolds and risers for 454
  167. Recommended 496 pistons and rods?
  168. SBC Carburetor Upgrade
  169. Help identifying these parts!?
  170. Marine Machine
  171. no spark (msd ign)
  172. bowtie block
  173. Calling Oil Expert
  174. hypereutectic pistons
  175. what thermostat
  176. Pulleys for 454 mags?
  177. Want to put my boat in a slip..... How to keep green buildup off it?
  178. Props on #6 Drives
  179. Best Oil for Merc 700's
  180. whats a good flat tappet cam for a Gen IV 454 MAG?
  181. Raw Water Pump Mercruiser vs. Sierra
  182. Will this prop fit a Bravo 1 drive?
  183. Gas stains on the side of my boat ?
  184. Rebuilding Gen V / VI BBC book finally reissued
  185. bezel
  186. Formula 242 vs 252
  187. AquaCraft V24 Gas Vee conversion
  188. Leak down test, what are good numbers?
  189. Clearancing rockers for valve covers
  190. boarding ladder who makes it
  191. Switching Exhaust Tips
  192. Trim guage
  193. What fuel:oil ratio after removing oil injection?
  194. Pressure testing and repair of headers
  195. Raised x
  196. Gen VI BBC Merc 454 MPI questions
  197. Big M Dart block..is it ok for marine use??
  198. aluminum swim platform
  199. Amsoil SVG Sever Lube Water Tolerance?
  200. Need to know correct head gasket to run Mk IV head on Gen VI 454, please
  201. Best Closed loop kits for 502mpi motors?
  202. I won't know unless I ask...valve springs on 088 vs hp500 head
  203. What fuel pump for 1400 hp
  204. Need advice on what GPS to get
  205. warlock running video.
  206. Mefi Tuning Software
  207. Best Prices for OEM manifolds
  208. hynautic steering question
  209. props in or out 40 fountain non step
  210. 525SC Carb jetting
  211. keith eickert valve covers will they fit ???
  212. where is a good place to sell 502mag motors
  213. External steering rams?
  214. Smartcraft and Garmin GPS
  215. New Guy old question: What flat tappet cam in a GEn5 MPI?
  216. fuel pumps
  217. water temp and tach problem????
  218. Good cam upgrade on my 502
  219. gaffrig gauges
  220. Classic 18 or U-19, which should I buy?
  221. my winter project dyno sheet
  222. dock / mooring lines
  223. McLeod Bolster Switches - Where to buy?
  224. Cam size with stock rockers
  225. Rebuilding 1982 Wellcraft nova II
  226. need mufflers
  227. Pro Charger cog belts
  228. Who to have re-powdercoat a swim platform??
  229. Stereo headunits, preout turn off/on option
  230. steering issues
  231. Warlock exhaust finished!
  232. A/N Fitting
  233. What octane for stock 7.4 MPI
  234. Sea water pump conversion
  235. Oil coolers
  236. Oil Filter Questions
  237. Pretech 33c control cables
  238. Solid Motor Mount Setup?
  239. Need help with throttle cable linkage on new carb
  240. unknown source of shake
  241. exhaust temperature in water jacketed headers
  242. Best 500 efi air cleaner?
  243. Bravo Bellows
  244. Buying a 22' boat, Survey? Leak down? What should be done?
  245. Ext hydraulic steering on 38 fever
  246. What fuel pump to use
  247. B&M 250 thermostat housing
  248. Sea Water Pump KIT
  249. Installing GPS/Depth Finder
  250. Cabin fans and lights?
  251. E-Top Plumbing
  252. Help??
  253. XR Drive Stickers
  254. Bearing clearance spec question...
  255. Explain This
  256. Leather Dresses
  257. Stock spring replacement for 502MPI
  258. Where is the 90amp fuse on Mercruiser
  259. Best prop for a Bravo 1 drive.
  260. Where to install water pressure sender
  261. Where to install EP-60R Fuel Senders?
  262. Merc Y-Pipes old vs new style
  263. Which of these two gauges would you install if room is limited?
  264. Pressure Test Headers
  265. steering
  266. need some help
  267. Exhaust for Whippled 540
  268. Lighted Bev Holders ?
  269. Removing Apoxied Hatch Latches
  270. weiand 177 for bbc question
  271. 200 rpm
  272. Advice Needed - Converting 3 to 2 motors
  273. Deck height
  274. switchable exhaust upgrade?
  275. What drive is this?
  276. your thoughts on these heads!
  277. Oil filter housings
  278. Sea Water Pumps
  279. 454/502 MPI MAG injector orings
  280. cam help
  281. Flagship 572 Marine details & prices?
  282. Seals for dry throught transom exhaust
  283. Older 5.7 HI-Perf EFI Horsepower
  284. switchable exaust
  285. 32 dominator port engine
  286. 350 upgrade question
  287. Cylinder bore job
  288. Cryo-Treatment
  289. Cmi Sport Tubes Or Gen X
  290. engine rotation 502mag single motor???
  291. Another Blower motor combo question
  292. 500 EFI lifters?
  293. Drive shower recommendations
  294. tall deck 454
  295. Procharged 540 Build And Fuel.
  296. spark plug Q
  297. Silent Choice Solenoids? swap them???
  298. baffels
  299. 600HP LS Marine Engine
  300. 454/502 MPI MAG crossover?
  301. TRS Engine Harness bracket and wireing
  302. Carb Jetting - 350 magnums
  303. K Plane trim switch - any ideas where I can source one?
  304. K-Plane lines
  305. Possible Upgrades for a 7.4 Merc
  306. new stainless marine tips installed
  307. Mark IV oil relief
  308. hydraulic steering helm-char lynn #?
  309. Good offshore magazine
  310. Steel or aluminum
  311. My Winter Project Is Done
  312. What is this??
  313. 2000 thunderbolt timing module wiring???
  314. Gen VI oil filter relief valves
  315. Helm ???
  316. graffig gauge
  317. A/F ratio and 10% Ethanol
  318. merc.,it's free again program
  319. Outdrive wont stay up
  320. shore power
  321. Gorilla Hose by Goodyear
  322. bolts
  323. Cleaning Carbon deposits from Valves?
  324. Huber fluid levl?
  325. actuator covers...
  326. Who's running stainless marine manifolds w/standard risers
  327. 454 Mag
  328. Sea pump assembly lube?
  329. Stellings VS CMI
  330. Thank You Mercury Racing
  331. Removing oil cooler lines from cooler
  332. 525 headers
  333. Compression of 525 EFI's
  334. A/F ratio
  335. Camshaft Dimension (length)
  336. Balance and blueprint worth it?
  337. blocking off water pickup for speed gain
  338. 454 questions
  339. 502 MPI upgrade
  340. Should I Get my 502 Supercharged?
  341. Should I Get y 502 Supercharged?
  342. alternator upgrade 55 AMP vs ?
  343. Epirb
  344. new shifter came today and got a little more done on my upgrades
  345. Closed Cooling
  346. Decal Partnumbers Bravo Drive
  347. HP 500 cam upgrade
  348. Mercruiser 600 SCI Headers
  349. transom water pick up
  350. 500 HP Lifters
  351. Flat Panel TV mount
  352. 502 carb needed
  353. 502 mag mpi
  354. Progress report
  355. 502 EFI/MPI Injector Q
  356. Water in oil...
  357. 502efi upgrades
  358. New engine rod knock...........
  359. Throttle body gasket change?
  360. Source for HP500 EFI rings?
  361. 502 mag wont idle
  362. Dyno report question regarding Fuel-A
  363. Is it possible to shorten SS risers for switchable exhaust?
  364. 496HO swap to 525EFI
  365. hp6 filters??????
  366. Velvet drive reversal?
  367. Bringing Back a Gel Coat Finish
  368. Winterization 496 Mag HO
  369. 502 casting
  370. Bell housing drive coupler???
  371. HP 500 carb circ pump?
  372. 496 mag ho water pressure
  373. Plunbing procharger intercooler
  374. looking for suggestions
  375. HELP! Dead Battery, Can't Open Engine Hatch
  376. Props for Sunsation32
  377. Props for Sunsation32
  378. hydro hoist users
  379. Flame arrestor mesh
  380. Helm steering for #6 drives
  381. Hull bottom
  382. 496 sea pump impeller
  383. Quick question on exhaust
  384. Deck/Building software
  385. Supercharging a 496...
  386. vero Beach, Fla??
  387. 781 or merlin heads wanted
  388. 454
  389. 1986 stinger 312
  390. Any ideas on props?
  391. NEED some exhaust Help Pls (496Mag)
  392. Prop size vs pitch question
  393. SS fittings
  394. Another Oil related article
  395. building a sbc motor
  396. Bell housing measurement
  397. Good blower test results here
  398. help finding Mercruiser HP parts
  399. 525 Efi Harness
  400. cross overs /thermostats why?
  401. sea pump
  402. MSD on 502 Mag MPI
  403. 502mag cam change or hp upgrade questions
  404. 502mag cam change or hp upgrade questions
  405. holley carb guru
  406. B1 coupler?
  407. K-Plane Installation
  408. whats so bad about leaving yor boat in full throttle when u go over a big wave
  409. What is this frankenstein engine???
  410. covering wire holes
  411. cracked head??
  412. Power valve and jets
  413. External power steering cylinder failsafe
  414. 454 Mags Need help
  415. 502 MPI Cams
  416. Quick drain air fitting question
  417. Rusty water when I drained the cooling system
  418. puke tank.
  419. help choosing crossover
  420. EMI Exhaust conversion to dry
  421. Selecting a power inverter.
  422. PCM 555 Service manual and the 525efi
  423. 454 vs 7.4
  424. What is this?
  425. Borla Mufflers
  426. Will Merc 10-qt oil pan work with offshore mounts?
  427. Need opinions on mild 489 build
  428. 93-97 99-02 454mag where is 98?
  429. Whipple 454mpi mag
  430. 496 HO forged internals?
  431. Scorpion 377 flame arrestor questions
  432. Cutting your skegs off???? MPH gain vs handling loss????
  433. 3 Bladed Speedmaster Propellers
  434. motor is almost back together finally!
  435. 454 Magnum questions...
  436. Dyno- Ethanol Fuel vs. Non-Ethanol Fuel
  437. zz502 vs. merc 502mag
  438. Exhaust condensation. How much is normal?
  439. Manifolds EMI or GIL
  440. 454 procharger compression ratio
  441. E85??
  442. fuel inj. cleaning and service
  443. HIN Scandia or Venture
  444. AN fuel lines (thread seal or not)
  445. I'm stumped?
  446. HP 500 efi valve springs
  447. 454 heads
  448. audio warning buzzer
  449. Update On Oil Lubrication
  450. intake manafold
  451. RHRs PITSTOP CORNER FILLING STATION ...
  452. lowering compression on 502?
  453. AN Sealing on pipe thread adapters
  454. Carb Engine Guru's
  455. REED cam??
  456. Bravo Drives
  457. Mercury Racing flame arrestor
  458. Oil Drain plug size on 99 HP500 Carb
  459. 8.1 HO repower help
  460. Forward ballast tank........
  461. aftermarket drive oil monitor
  462. help this prop
  463. mercruiser thunderbolt distributor
  464. Stepped hull alum tank install.
  465. Eddie marine Kplane help
  466. All of a sudden 3/4 throttle and hitting rev limiter.
  467. Merc impeller part number
  468. Hooking up a bow tank
  469. z010 camshaft...what is it??????
  470. 454 mpi 385 horse how much horsepower can one make
  471. Dry Exhausts with mufflers
  472. Looking for 871 setup
  473. Gil VS HP
  474. need help on a helm/orbital valve i.d.
  475. Building some 502's
  476. sea pump ?
  477. Yellowed seats
  478. cleaning out the shed whats left
  479. baffels
  480. Dart eagle irons on 502 build questions.
  481. Engine alarm wiring, and rewiring. Help.
  482. Ziegler Helm Posts
  483. Gas tank question?
  484. Crane Golg Roller rockers...2 sets...really different
  485. Mercruiser 454 Magnum Cylinder Heads
  486. ARP rod bolt ?
  487. Battery Chargers
  488. Diesel Engines
  489. Edelbrock carb
  490. best place to buy longblocks?
  491. Battery Switch 101
  492. poss. reversion and exhaust heat problem...please help!
  493. sea strainer plumbing
  494. Mefi-4b Ecu why so hard to find?
  495. Speedometer diameter
  496. Comp Roller Cam identification help....
  497. Sea Water Pump
  498. Sea Water Pump
  499. 2000 - 454 / 7.4 Mpi
  500. Steering Cable Baja OL24