View Full Version : General Q & A




  1. Will a Merc outboard prop go on an Alpha?
  2. Need Help pls--Reversion!
  3. 525 Efi Spark Plugs
  4. High water pressure
  5. Trim pump set up . .questions
  6. Chrome Air Intake Scoop ?????
  7. 5.7 sbc exhaust manifold
  8. Fuel Tank Placement
  9. help full tip
  10. What octane fuel for 420's?
  11. 454 mag water hoses? where to get affordably!
  12. 2x18 combo oil cooler
  13. 500 EFI Fuel Pumps - Formula
  14. exhaust manifold block off kit
  15. GPS Speedometer
  16. Ateco 500efi upgrade
  17. Oil Pressure Gauge Pinned
  18. 588 CI BBC 14-71 littlefield/intercooled
  19. Remote oil filter
  20. old transducer - new depth gauge
  21. Jet change needed?
  22. spark plugs
  23. Exhaust tips with internal flappers
  24. just for fun: cheapest way to make 800hp????
  25. Would this work?
  26. Through Hull Exaust trim
  27. gen II to bravo one
  28. reversion questions with a 741 cam
  29. outboard installs
  30. V-bottom vs CAT
  31. GT Performance Engineers Upland Ca...any bad dealings?
  32. Looking for Dana Headers...
  33. Think I need a different prop?
  34. Buying Motor from GT Performance Engineering. Have Tech Q's
  35. Valve Spring Spec for 500 EFI
  36. fuel/water seperator w/drain
  37. nose cone epoxy
  38. what % of h.p lost between crank, and prop.
  39. Hinge pin removal. Drill?? Any tips welcomed
  40. adding a portable get to a fountain
  41. Anybody running Lightnings with Silent Choice or Corsa?
  42. 500EFI Valve Spring help.....
  43. Gasket ?
  44. 30 motion
  45. Mirrored Plexiglass
  46. Mercruiser Parts Webite???
  47. Carpet adhesive
  48. Boat Covers
  49. Boat Covers
  50. approximate horsepower!
  51. HP-500 what RPM max.
  52. Wet Dream II
  53. zero balance BB flywheel
  54. External steering with Hynautic helm
  55. wipple?
  56. Need advice/opinions please on buying this boat.
  57. Boat ladder
  58. Mercury Racing 700's Very Hard to Re-start
  59. Rigging Question
  60. NEED HELP! - Bravo Engine Mounting Question
  61. oil cooler install question!
  62. Bravo Transom Assembly Re-Installation
  63. Gen5 or Gen6 differnece
  64. Engine Coupler Issue?
  65. Water pickups
  66. Need Quick Answer Before buying this boat??
  67. merc smart craft
  68. Which valve springs?
  69. Latham rams on imco extension box arms?
  70. Priming Engine with Oil
  71. extended runner mod for Holley Strip Dominator?
  72. How to tell what gen big block you have?
  73. Bravo Upper Drive trim guide crack repair
  74. South Florida Dyno?
  75. Aluminum on transom?
  76. how much can you drop comp with a head gasket??
  77. Trailer fenders
  78. scarrab HELP
  79. Prop help
  80. Through hull water pick up epoxy
  81. New Motors: 540 carb Natural asp. or 454 blown?
  82. Decisions, decisions... square or oval port for 489?
  83. msd. vs. delco dist
  84. crossover cooling systems
  85. Carburetor recommendation
  86. Full closed cooling system.
  87. Small rocks in oil filler tube???
  88. Wanted BigBlock Chevy Marine Performance by Denni Moore
  89. Cam limit before reversion occurs
  90. Anyone know the factory torque spec for a 500 EFI rod bearing?
  91. What valves are used in the stock HP500 heads? 1999
  92. Trans fluid?
  93. Merc/CMI service bulletin
  94. Cam Choice
  95. 496/525 top end
  96. These gaskets don't look correct
  97. Race Fairing
  98. 500 Efi Drain plug locations
  99. drive yoke
  100. Crack in 454 Alpha, your thoughts please
  101. Exhaust Dyno Charts
  102. Making Power with engine temp?
  103. Exhaust manifold Merc BBC stainless bolts from ARP
  104. OMC to Mercruiser swap question...
  105. computer reprogram 454
  106. mercruiser Denso Harness info needed
  107. Water circulation issues
  108. Refresh on HP500, which gaskets and what oil pump?
  109. camshaft id
  110. HP500 Heads and goofy rocker...???
  111. 500 EFI alignment
  112. 42'sonic trailer
  113. Sony Subwoofer Installation
  114. 454 to 496 Dart p-1s what cam?
  115. bbc 1.7 rocker arms
  116. intakes?
  117. 225 Merc Opti max question
  118. Engine not level?
  119. K Planes on Formula 242
  120. Eickert Tail Extention
  121. 502 MAG compaired to the 454 mag
  122. BBC alternator brackets
  123. No swim ladder, OK to step up on K-planes?
  124. Blue Motors
  125. Mercruiser Stainless Risers
  126. need help with a wiring schematic
  127. dry exhaust questions
  128. rpm airgap
  129. Raw Water Pumps
  130. bb chevy tapered exhaust manifold spacer
  131. Bravo shift cable bellow
  132. SBC with AFR 180cc
  133. Serp. belt conversions really worth it?
  134. Fuel Lines Fittings
  135. Will stock Merc/GM windage tray clear stroker crank?
  136. Polished Stainless
  137. MSD Ignition
  138. Help - looking for water 525sc water pump part
  139. Gimbal Housing?
  140. Braided Line / Fuel Permeation
  141. Jetting my 250 B&M and 1050 Carb...
  142. 502 mpi procharger fuel system questions
  143. Indmar Aluminum exhaust manifolds and risers for 454
  144. Recommended 496 pistons and rods?
  145. SBC Carburetor Upgrade
  146. Help identifying these parts!?
  147. Marine Machine
  148. no spark (msd ign)
  149. bowtie block
  150. Calling Oil Expert
  151. hypereutectic pistons
  152. what thermostat
  153. Pulleys for 454 mags?
  154. Want to put my boat in a slip..... How to keep green buildup off it?
  155. Props on #6 Drives
  156. Best Oil for Merc 700's
  157. whats a good flat tappet cam for a Gen IV 454 MAG?
  158. Raw Water Pump Mercruiser vs. Sierra
  159. Will this prop fit a Bravo 1 drive?
  160. Gas stains on the side of my boat ?
  161. Rebuilding Gen V / VI BBC book finally reissued
  162. bezel
  163. Formula 242 vs 252
  164. AquaCraft V24 Gas Vee conversion
  165. Leak down test, what are good numbers?
  166. Clearancing rockers for valve covers
  167. boarding ladder who makes it
  168. Switching Exhaust Tips
  169. Trim guage
  170. What fuel:oil ratio after removing oil injection?
  171. Pressure testing and repair of headers
  172. Raised x
  173. Gen VI BBC Merc 454 MPI questions
  174. Big M Dart block..is it ok for marine use??
  175. aluminum swim platform
  176. Amsoil SVG Sever Lube Water Tolerance?
  177. Need to know correct head gasket to run Mk IV head on Gen VI 454, please
  178. Best Closed loop kits for 502mpi motors?
  179. I won't know unless I ask...valve springs on 088 vs hp500 head
  180. What fuel pump for 1400 hp
  181. Need advice on what GPS to get
  182. warlock running video.
  183. Mefi Tuning Software
  184. Best Prices for OEM manifolds
  185. hynautic steering question
  186. props in or out 40 fountain non step
  187. 525SC Carb jetting
  188. keith eickert valve covers will they fit ???
  189. where is a good place to sell 502mag motors
  190. External steering rams?
  191. Smartcraft and Garmin GPS
  192. New Guy old question: What flat tappet cam in a GEn5 MPI?
  193. fuel pumps
  194. water temp and tach problem????
  195. Good cam upgrade on my 502
  196. gaffrig gauges
  197. Classic 18 or U-19, which should I buy?
  198. my winter project dyno sheet
  199. dock / mooring lines
  200. McLeod Bolster Switches - Where to buy?
  201. Cam size with stock rockers
  202. Rebuilding 1982 Wellcraft nova II
  203. need mufflers
  204. Pro Charger cog belts
  205. Who to have re-powdercoat a swim platform??
  206. Stereo headunits, preout turn off/on option
  207. steering issues
  208. Warlock exhaust finished!
  209. A/N Fitting
  210. What octane for stock 7.4 MPI
  211. Sea water pump conversion
  212. Oil coolers
  213. Oil Filter Questions
  214. Pretech 33c control cables
  215. Solid Motor Mount Setup?
  216. Need help with throttle cable linkage on new carb
  217. unknown source of shake
  218. exhaust temperature in water jacketed headers
  219. Best 500 efi air cleaner?
  220. Bravo Bellows
  221. Buying a 22' boat, Survey? Leak down? What should be done?
  222. Ext hydraulic steering on 38 fever
  223. What fuel pump to use
  224. B&M 250 thermostat housing
  225. Sea Water Pump KIT
  226. Installing GPS/Depth Finder
  227. Cabin fans and lights?
  228. E-Top Plumbing
  229. Help??
  230. XR Drive Stickers
  231. Bearing clearance spec question...
  232. Explain This
  233. Leather Dresses
  234. Stock spring replacement for 502MPI
  235. Where is the 90amp fuse on Mercruiser
  236. Best prop for a Bravo 1 drive.
  237. Where to install water pressure sender
  238. Where to install EP-60R Fuel Senders?
  239. Merc Y-Pipes old vs new style
  240. Which of these two gauges would you install if room is limited?
  241. Pressure Test Headers
  242. steering
  243. need some help
  244. Exhaust for Whippled 540
  245. Lighted Bev Holders ?
  246. Removing Apoxied Hatch Latches
  247. weiand 177 for bbc question
  248. 200 rpm
  249. Advice Needed - Converting 3 to 2 motors
  250. Deck height
  251. switchable exhaust upgrade?
  252. What drive is this?
  253. your thoughts on these heads!
  254. Oil filter housings
  255. Sea Water Pumps
  256. 454/502 MPI MAG injector orings
  257. cam help
  258. Flagship 572 Marine details & prices?
  259. Seals for dry throught transom exhaust
  260. Older 5.7 HI-Perf EFI Horsepower
  261. switchable exaust
  262. 32 dominator port engine
  263. 350 upgrade question
  264. Cylinder bore job
  265. Cryo-Treatment
  266. Cmi Sport Tubes Or Gen X
  267. engine rotation 502mag single motor???
  268. Another Blower motor combo question
  269. 500 EFI lifters?
  270. Drive shower recommendations
  271. tall deck 454
  272. Procharged 540 Build And Fuel.
  273. spark plug Q
  274. Silent Choice Solenoids? swap them???
  275. baffels
  276. 600HP LS Marine Engine
  277. 454/502 MPI MAG crossover?
  278. TRS Engine Harness bracket and wireing
  279. Carb Jetting - 350 magnums
  280. K Plane trim switch - any ideas where I can source one?
  281. K-Plane lines
  282. Possible Upgrades for a 7.4 Merc
  283. new stainless marine tips installed
  284. Mark IV oil relief
  285. hydraulic steering helm-char lynn #?
  286. Good offshore magazine
  287. Steel or aluminum
  288. My Winter Project Is Done
  289. What is this??
  290. 2000 thunderbolt timing module wiring???
  291. Gen VI oil filter relief valves
  292. Helm ???
  293. graffig gauge
  294. A/F ratio and 10% Ethanol
  295. merc.,it's free again program
  296. Outdrive wont stay up
  297. shore power
  298. Gorilla Hose by Goodyear
  299. bolts
  300. Cleaning Carbon deposits from Valves?
  301. Huber fluid levl?
  302. actuator covers...
  303. Who's running stainless marine manifolds w/standard risers
  304. 454 Mag
  305. Sea pump assembly lube?
  306. Stellings VS CMI
  307. Thank You Mercury Racing
  308. Removing oil cooler lines from cooler
  309. 525 headers
  310. Compression of 525 EFI's
  311. A/F ratio
  312. Camshaft Dimension (length)
  313. Balance and blueprint worth it?
  314. blocking off water pickup for speed gain
  315. 454 questions
  316. 502 MPI upgrade
  317. Should I Get my 502 Supercharged?
  318. Should I Get y 502 Supercharged?
  319. alternator upgrade 55 AMP vs ?
  320. Epirb
  321. new shifter came today and got a little more done on my upgrades
  322. Closed Cooling
  323. Decal Partnumbers Bravo Drive
  324. HP 500 cam upgrade
  325. Mercruiser 600 SCI Headers
  326. transom water pick up
  327. 500 HP Lifters
  328. Flat Panel TV mount
  329. 502 carb needed
  330. 502 mag mpi
  331. Progress report
  332. 502 EFI/MPI Injector Q
  333. Water in oil...
  334. 502efi upgrades
  335. New engine rod knock...........
  336. Throttle body gasket change?
  337. Source for HP500 EFI rings?
  338. 502 mag wont idle
  339. Dyno report question regarding Fuel-A
  340. Is it possible to shorten SS risers for switchable exhaust?
  341. 496HO swap to 525EFI
  342. hp6 filters??????
  343. Velvet drive reversal?
  344. Bringing Back a Gel Coat Finish
  345. Winterization 496 Mag HO
  346. 502 casting
  347. Bell housing drive coupler???
  348. HP 500 carb circ pump?
  349. 496 mag ho water pressure
  350. Plunbing procharger intercooler
  351. looking for suggestions
  352. HELP! Dead Battery, Can't Open Engine Hatch
  353. Props for Sunsation32
  354. Props for Sunsation32
  355. hydro hoist users
  356. Flame arrestor mesh
  357. Helm steering for #6 drives
  358. Hull bottom
  359. 496 sea pump impeller
  360. Quick question on exhaust
  361. Deck/Building software
  362. Supercharging a 496...
  363. vero Beach, Fla??
  364. 781 or merlin heads wanted
  365. 454
  366. 1986 stinger 312
  367. Any ideas on props?
  368. NEED some exhaust Help Pls (496Mag)
  369. Prop size vs pitch question
  370. SS fittings
  371. Another Oil related article
  372. building a sbc motor
  373. Bell housing measurement
  374. Good blower test results here
  375. help finding Mercruiser HP parts
  376. 525 Efi Harness
  377. cross overs /thermostats why?
  378. sea pump
  379. MSD on 502 Mag MPI
  380. 502mag cam change or hp upgrade questions
  381. 502mag cam change or hp upgrade questions
  382. holley carb guru
  383. B1 coupler?
  384. K-Plane Installation
  385. whats so bad about leaving yor boat in full throttle when u go over a big wave
  386. What is this frankenstein engine???
  387. covering wire holes
  388. cracked head??
  389. Power valve and jets
  390. External power steering cylinder failsafe
  391. 454 Mags Need help
  392. 502 MPI Cams
  393. Quick drain air fitting question
  394. Rusty water when I drained the cooling system
  395. puke tank.
  396. help choosing crossover
  397. EMI Exhaust conversion to dry
  398. Selecting a power inverter.
  399. PCM 555 Service manual and the 525efi
  400. 454 vs 7.4
  401. What is this?
  402. Borla Mufflers
  403. Will Merc 10-qt oil pan work with offshore mounts?
  404. Need opinions on mild 489 build
  405. 93-97 99-02 454mag where is 98?
  406. Whipple 454mpi mag
  407. 496 HO forged internals?
  408. Scorpion 377 flame arrestor questions
  409. Cutting your skegs off???? MPH gain vs handling loss????
  410. 3 Bladed Speedmaster Propellers
  411. motor is almost back together finally!
  412. 454 Magnum questions...
  413. Dyno- Ethanol Fuel vs. Non-Ethanol Fuel
  414. zz502 vs. merc 502mag
  415. Exhaust condensation. How much is normal?
  416. Manifolds EMI or GIL
  417. 454 procharger compression ratio
  418. E85??
  419. fuel inj. cleaning and service
  420. HIN Scandia or Venture
  421. AN fuel lines (thread seal or not)
  422. I'm stumped?
  423. HP 500 efi valve springs
  424. 454 heads
  425. audio warning buzzer
  426. Update On Oil Lubrication
  427. intake manafold
  428. RHRs PITSTOP CORNER FILLING STATION ...
  429. lowering compression on 502?
  430. AN Sealing on pipe thread adapters
  431. Carb Engine Guru's
  432. REED cam??
  433. Bravo Drives
  434. Mercury Racing flame arrestor
  435. Oil Drain plug size on 99 HP500 Carb
  436. 8.1 HO repower help
  437. Forward ballast tank........
  438. aftermarket drive oil monitor
  439. help this prop
  440. mercruiser thunderbolt distributor
  441. Stepped hull alum tank install.
  442. Eddie marine Kplane help
  443. All of a sudden 3/4 throttle and hitting rev limiter.
  444. Merc impeller part number
  445. Hooking up a bow tank
  446. z010 camshaft...what is it??????
  447. 454 mpi 385 horse how much horsepower can one make
  448. Dry Exhausts with mufflers
  449. Looking for 871 setup
  450. Gil VS HP
  451. need help on a helm/orbital valve i.d.
  452. Building some 502's
  453. sea pump ?
  454. Yellowed seats
  455. cleaning out the shed whats left
  456. baffels
  457. Dart eagle irons on 502 build questions.
  458. Engine alarm wiring, and rewiring. Help.
  459. Ziegler Helm Posts
  460. Gas tank question?
  461. Crane Golg Roller rockers...2 sets...really different
  462. Mercruiser 454 Magnum Cylinder Heads
  463. ARP rod bolt ?
  464. Battery Chargers
  465. Diesel Engines
  466. Edelbrock carb
  467. best place to buy longblocks?
  468. Battery Switch 101
  469. poss. reversion and exhaust heat problem...please help!
  470. sea strainer plumbing
  471. Mefi-4b Ecu why so hard to find?
  472. Speedometer diameter
  473. Comp Roller Cam identification help....
  474. Sea Water Pump
  475. Sea Water Pump
  476. 2000 - 454 / 7.4 Mpi
  477. Steering Cable Baja OL24
  478. Max Speed 29 Scarab
  479. B&M 250 blower
  480. Gauges
  481. 10:1 compression
  482. 96' 454 Mag
  483. Merc 540 575hp build. heads, cam, ect..
  484. Help, exhaust manifold hits valve covers?
  485. ok I want to build a gm big block
  486. SBC Oil Pan?
  487. zero effort throttles and shifters
  488. holley carb spacer
  489. Engine Oil
  490. Transmissions
  491. 525'a RPM at idle?
  492. Who has the best price on Imco steering??
  493. Cant find info on my boat. 87 Nova spyder
  494. oil cooler lines
  495. Need Part Numbers...
  496. gen 5
  497. Trim rams
  498. k-plane cylinder rebuild kits???
  499. Steering helm going out...replace or go hydraulic?
  500. 502 MPI vs 502 EFI