View Full Version : General Q & A




  1. Question on Raw Water Cooling Routing with Dry Exhaust ?
  2. 525's valve srping Q.
  3. Scatt 9000 crank BB chev
  4. Need help with choosing cam
  5. Flappers in my offshore exhaust tips
  6. Gen VI 496 builds - Stock oil cooler adequate?
  7. 500 efi exhaust
  8. captains call harness
  9. Hitting anything submerged
  10. Mirror sheets for engine hatch
  11. 1996 29' scarab
  12. Top mount starter bell housing for bravo 1
  13. Starter Circuit testing - No action!
  14. Standard Bravo 3 showing wear
  15. Raw Deal Engine rebuild No warranty I Know I'm not Alone Opinions Please
  16. Hydraulic roller profiles?
  17. Question on Pulling my engine
  18. Engine builder
  19. Question about and problem with beehive valve spring retainers
  20. Pink Mold
  21. Hp500 rusted exhaust seats. Need advice!
  22. How much power can you put to a gen v 502 ho block.
  23. Nisonger SuperChargers
  24. Anyone running GGB inserts?
  25. Trim tabs
  26. Looking to go with Gibson 4.5 clamp on bullet mufflers, opinions, videos?
  27. ILMOR and INDY Drive Package
  28. Questions about Sea Strainer and Outdrive Shower
  29. 93 powerquest want to get to 70mph I'm at 64 now. Need advice
  30. Boat never got wet this summer - need advice !
  31. Lets talk distributers
  32. Fuel pump vent system question
  33. Reliable Mods On 502 MAGs?
  34. 502 cylinder heads Quick question?? PLease help
  35. Injector cleaning service southeast mich
  36. Little help needed
  37. Any Disadvantages of Solid Roller lifters?
  38. engine oil
  39. Fuel Cap Chain
  40. Brochure for 20 Foot Cigarette
  41. Break in procedure for new 502???
  42. Stainless bolts thru aluminum
  43. HP500EFI Injectors?
  44. 575 SCI throttle bodies?
  45. 500 EFI Head Question
  46. Sheet Metal intake?
  47. Rattling knocking noise coming from Bravo at full turn
  48. Rack and Pinion vs Rotary Steering
  49. Best vinyl conditioner/protectant?
  50. Looking for infos to convert an 8.2 MAG to HO Version!!
  51. Engine paint question.
  52. Mercruiser 383 and Alpha one?
  53. Best exhaust for 525sc's
  54. welding shop in so. wisconsin
  55. 509" cam
  56. 1996 7.4 liter belt replacement
  57. I want a crossover but should I have closed cooling?
  58. MSD 6M-2 rev limiting?
  59. Merc 525 EFI power upgrades
  60. Upholstry shop recommendations near Hartford ct
  61. 454mpi VI duel in boss 302 putting up have ??????
  62. D... blue drain plugs
  63. Isotta Aria steering wheel..
  64. Combo oil/powersteering coolers
  65. Fuel cooler. Anyone using them?
  66. Ditching the power steering cooler
  67. How big is this oil pan
  68. Stallion Powerboats? Whaaaat?
  69. Closed cooling question? Use 1or 2 water feeds???
  70. Reversion, Reversion Reversion
  71. Question on CMI captains choice exhaust
  72. do most of you run chokes on your carbs?
  73. 496 Manifolds VS 7.4 Manifolds dimensions?
  74. Performance of 496 manifolds over 454 manifolds
  75. Gen 4 454 question
  76. Mercury Optimax '05 150?
  77. Restoration
  78. 525 SC's
  79. water crossovers pros cons
  80. Brochure for 20 foot Cigarette Performance Boat
  81. I.D. this rod
  82. Why 557? What is the big deal?
  83. 2000 47 Lightning - Is staggered 600sci motors feasible vs. trip 525efi? Top speed?
  84. T-Stat housing check balls
  85. NEW 502 blocks
  86. Gen 5 parts into a gen6 block
  87. Crank Driven Water Pump vs Belt Driven Water Pump
  88. converting from alpha to bravo, bravo questions.
  89. 2000 353 formula with 250 blowers
  90. Oberg oil filters
  91. which 502 do I have? it sure would be easy if a parts vendor added a search engine!
  92. pair 500 efis not fireing on no.3 cylinder
  93. How close??
  94. which book do you recomend for servicing big block mercs?
  95. Issues with reversion with this cam and exhaust setup?
  96. Another 7.4l 330 hp mod question
  97. Free To A Good Home
  98. Coating tabs options?
  99. Loudest aftermarket manifolds/headers?
  100. Does anyone use this style of muffler anymore?
  101. Gen 4 heads on a Gen5
  102. Electronics Category Under Technical ?
  103. dry sump conversion
  104. 2005 Baja SST
  105. tubed or manifold for blower motor does it make a difference?
  106. how to ad profile picture
  107. What hydraulic roller cam to use in place of this solid roller cam in my 598's?
  108. how much boost???
  109. Carter Carb "Welsh" Plugs
  110. Challenge: Which boat/model is this?
  111. General opinion carb manifold
  112. Reinstalling headers on a Merc 700
  113. Rust specs in exhaust ports? Is this normal? CMI's done?
  114. Any Com guys on the east coast?
  115. What would be the best ignition modules ??? Info on them???
  116. Water for intercooler
  117. Seawater/fuel pump leaking AND water in exhaust in new build?
  118. Inconel exhaust valves in 500 EFI engines?
  119. Gen 6 454 build in Formula 242ls
  120. Ditching VST for Aeromotive fuel pumps help.
  121. How much fuel pressure for 502 withDemon 850?
  122. Trim Tab Speed
  123. Need a square hub adapter for steering wheel
  124. CMI etops and tail pipe question
  125. Where do you get a gas tank vent cap?
  126. 174 blower on a 454??
  127. Scarab 29 engine vent
  128. Transom lift hooks
  129. super charging a 502 efi.... where to start
  130. 850/900 hp
  131. Cam? Teague stage 2 = Crane 741 ??
  132. Looking for mefi 4b with wiring harness for 8.1
  133. Valve Covers..
  134. Tall deck to short deck?
  135. hydraulic steering helm
  136. Distributor collar needed??
  137. 8.2 MAG HO ECT exhaust manifold paint flaking
  138. Swap 496 Mag HO to 502 Mag HO
  139. 305 SBC upgrades
  140. engine swap 496 ho to 525s
  141. What to expect from blueprinted bottom
  142. How much total timing for Aluminum head 509??
  143. Help with wiring
  144. Looking to add headrests on my sunpad..
  145. Only about 2-3 cups??
  146. Mx 6.2 mpi
  147. 502 heads
  148. Educate me on proper sealants
  149. fuel injection
  150. Fountain 10 Meter Blown 454's TRS drives? Any input
  151. Seawater/fuel pump mounting bracket for V-belt?
  152. Mercruiser Engine Component Coatings
  153. Vinyl coating?
  154. GPS receivers. ?
  155. Starting problem on stock Mercruiser MPI
  156. Mcleod bolster seat ram bent, not working right.
  157. Cleaning fuel tanks and installing fuel filter
  158. Looking at a 35 cigarette cafe ..... Any out there and some advise
  159. formula 292
  160. 377 cu in Scorpion Specs?
  161. Repairing broken end journal on K Plane mounting plate
  162. Max load on stock valves
  163. Low Compression on 525? (new problem, new thread)
  164. Odd failure of exhaust hose
  165. What Is Best & SAFE Way To Disable 525 From Starting........
  166. Air Getting Into Zeiger Steering :/
  167. ecu-882 engine controll-anyone use this??
  168. Car lift for storing boat
  169. Window rubber to hold window in frame..
  170. 383 Stroker High RPM Lean Out
  171. Bleeding add on dual ram IMCO steering system
  172. 496 exhaust wateflow question
  173. Reinstalling MPI back onto a carbed 496 in a 1997 Baja Islander
  174. 049 BB heads
  175. What's the best bow roller I can get?
  176. Merc Racing 600 SCi... give me the scoop please.....
  177. Sub/Amp selection and placement
  178. Marine oil filter versus auto oil filter, any difference?
  179. 2.25 vs 2.30 valves in GM heads
  180. How I can make a 454 to 540?
  181. Is there to much steam coming from my exhaust???
  182. Merc 454 TPI work on 496 with no issues?
  183. convincor 251 engine build
  184. Thinking of running a crossover
  185. Idle air control
  186. 250 vs 420 blower
  187. Looking for some BLUE RUB RAIL
  188. 502 exhaust flappers
  189. Great Article on detonation/preignition
  190. Fountain tailpipes
  191. To Goose or not
  192. so many prochargers for sale, makes me wonder
  193. Best Gaskets
  194. IAC Valve (4.3MPI)
  195. opinions on non-power hydraulic steering
  196. help with new motor swap questions
  197. Building a 454 Heads
  198. 600SCI Upgrades
  199. 6.0 lq4 chevy LS cam input needed
  200. 96 four Winns with Ford 302 rebuild questions
  201. Looking at a hynautic hydro steering kit..explain it all to me...
  202. Engine keeps on runing
  203. 31 fastec propellers
  204. Bravo Yoke Repair
  205. Aftermarket EFI systems. Whos running what??? and feedback!
  206. Digital Ignition Control Box!!!
  207. Engine alarm package?
  208. Carbed 502 fuel line size?
  209. 502 efi cam
  210. Engine Room Cameras
  211. Prop advice
  212. 572sc questions
  213. Christmas Tree Orniments
  214. Stellings Bravo Extension Box Cover Gaskets
  215. shorties on a donzi 33 zx
  216. Anybody using wide band A/F gauges while running?
  217. 04 sonic electrical problem
  218. Proven cam combos 540CI??
  219. Tabs too big?
  220. Coupon code for cp performance
  221. 1995 525sc plugs
  222. 496 ho
  223. Need a intake for 500 HP which one?
  224. Upgrades before installing some 496 MAG's
  225. Engine build /compression question combination
  226. convert to crossovers on twin 575sci
  227. Help Needed Setting Up Ignition Timing Curve For Blown 502
  228. going electric...need pics
  229. Experience with Fastec superchargers?
  230. can someone help identify this pcm
  231. Stereo system with low volume output....stumped!
  232. RPM gauge help. ...
  233. Blower Motor Set up and Tune 257 Mirage
  234. Smartcraft "blk psi ckt hi" code
  235. Loud squeal metal to metal
  236. electrical problems please help
  237. 454mag top end rebuild
  238. Is there actually a chiller for B&M/Weiand/Holley 174 Blower
  239. 525 efi upgrade
  240. Bravo I, sometimes both forward & reverse, sometime only forward, sometimes neither..
  241. 454 manifolds fit on a 502?
  242. fuel pressure gauge help...
  243. Cam specs
  244. Is it worth going from MEFI 1 to MEFI 4?
  245. quick oil cooler question
  246. Installing gears in a speed master lower unit.
  247. 1989 Eliminator Tahoe 454 330hp
  248. 502 losing oil pressure
  249. 502 Mag to HP500??
  250. Can Gil exhaust manifolds be milled?
  251. Desktop dyno
  252. Raylar 496 intake
  253. Bennett trim tabs on 271 fastec.
  254. Areomotive a1000 pump getting weak? loosing prime
  255. is this a marine alt?
  256. Custom Dash Panel Help.....
  257. fixing to blow up a boat!
  258. baja 272 power steering tight
  259. Worth swapping intakes?
  260. Help what Company programs MEFI1
  261. Need a Spark Advance Table Chart from 502 EFI
  262. 600 sci, how many hours do you have on yours? Rebuild cost?
  263. Break in oil.
  264. british boat
  265. effects of factory TBIV timing module on performance
  266. 500hp or rebuild my 454??
  267. Raising rev limit on 500 efi
  268. Carter mech. fuel pump #0-2208 help...
  269. 350hp 454 mag carb vs 365hp mag?
  270. RPM for 350 MPI's
  271. Ring end gap.
  272. 1990 baja islander 190
  273. Looking for a starter
  274. 1987 2657 carver will not reach wot
  275. Donzi 38 zx bench seat removal
  276. What is a 8.1 with a Whipple worth
  277. Electric fuel pump or Mechanical?
  278. Fuel pump issues..fuel pump going out?
  279. 502 vs 502
  280. looking for a manuel fuel pump
  281. Pics of last winters Warlock upgrades....there were a lot!
  282. Diacom (total spark advance) Help
  283. problem with bulldog flywheel
  284. flush a drive
  285. Kodiak Brand -Trailer Brake Rotors - Dacromet coated vs Stainless Steel
  286. education opportunity ?
  287. dui distributors
  288. MSD ignition like 6m for a 454 mercruiser - 400 Hp
  289. Mercrusier 350 Mag MPI won't start please help!
  290. Msd ignition like 6M for 454 - 400 hp
  291. 500 EFI Injectors aftermarket replacement
  292. Battery Charger
  293. Gen 6 8.2 HO cam specs
  294. Mercruiser scan tool
  295. Header mounting problem
  296. reading about seawater driven fuel pump - now paranoid
  297. Hp500 carb cam upgrade
  298. Carrie Covers - Opinions
  299. 22 ft 88 avanti can it handle a 1000 hp?
  300. anodized, imron, or powder coat?
  301. Canton Oil pan for Offshore style mount
  302. Corsa 4 wire harness
  303. damaged boats
  304. Throttle response
  305. gen 6 engine filling oilpan with water.
  306. hydraulic steering info
  307. Oil pump pressure relief valve?
  308. Strange fuel tank issue
  309. 500 EFI overheating
  310. FBI virus
  311. oil pan
  312. Excess fuel consumption
  313. PowerPlat 185XLT Euro Windshield Removal
  314. best way to clean sludge and varnish for a aluminum tank
  315. I HAVE FOUND ignition modules for 502 EFI's CHEAP!
  316. condensation inside exhaust?
  317. 525 Cam Sensor Install ? Any one have Instructions?
  318. Smartcraft on Garmin 5212
  319. 496 H.O. two beeps when motor is not running
  320. need to find a distributor module for a EST distributor
  321. Best way to Modify tank for larger pickup?
  322. What size TB's are on 575SCi's
  323. 540/B&M 250 Issue
  324. Need Help With Cable Replacement
  325. Thermostat or not?
  326. 575SCi blower oil
  327. stainless marine sbc maifold clearance
  328. Deck boat / party cat?
  329. Engine R/R Hours and Rates
  330. Does anyone make a steering wheel in teal?
  331. Smartcraft tab position sensor
  332. wiring problems
  333. fiberglass dock box repair
  334. Mercruiser mecahnical fuel pump question HP500
  335. Smart Craft Pros?Cons?
  336. Carbs or EFIs
  337. Fuel Fittings
  338. Adding Cup to props does it really work???
  339. prochargers and boost
  340. Thermostat vs no thermostat 540 cid Procharger engine
  341. Boost retard
  342. Quick Question.....Winterizing 496 H.O.
  343. Someone please explain what hydraulic steering I will need..add on..or full
  344. suggestions on heads, cam, intake swap..
  345. Classified question
  346. Extension boxes
  347. 90 amp fuse
  348. hatch switch
  349. hp 500 carb jetting
  350. vst rebuild kit??
  351. 27 Fountain gas tank shape??
  352. Found Metal in motor, Please help identify. 454 BBC
  353. 496 425hp or 375hp
  354. Chocolate slushy in bilge
  355. reversion - riser solution with stock manifolds or complete change up
  356. Portable / dockside pumpout MI????????????
  357. Mid 90s Bravo 1 Upper Repair or Rebuild
  358. Replacing shifter and throttle
  359. 500 EFI Valves Maybee?
  360. Classified ad
  361. 1/4 inch fuel pump vent line?
  362. Engine Hatch Issues
  363. Smartcraft and K-planes Help Please!
  364. Does the 72C use the same tail housing for #5 drives and TRS drives?
  365. Bad news for alignment and outdrive splines Bravo3
  366. Power steering line thread size
  367. Bent rod, u joints, or ?
  368. 496 Mag (not HO) running rough - code 133 5 vdc pwr low.. Help Please!
  369. White Lightning/Travis
  370. Hydraulic steering pump lacking at low RPM
  371. upgrading Mercruiser HP 500 carb motors
  372. Mercury Smartcraft V1.31 DDT Cartridge
  373. Captains Call Exhaust Issue
  374. What weight oil to run ?
  375. while underway boat port motor shuts down...
  376. 27 Fountain Fever or 29 Scarab??
  377. Oil puke tank
  378. winterization
  379. Phone number for Eagle Marine, Xtreme nut and boot system....
  380. Need to empty fuel tank
  381. Cobra cat 35"
  382. Inverted oil filter on 496 ho engine?
  383. Exhaust Piping ?...
  384. Boost Power Engines
  385. Bringing back E-85 for a update
  386. warlock or eliminator
  387. trim tab cables
  388. Oversized Pistons for 600sci / 700sci motors?
  389. All American Drive Service
  390. 2004 warlock
  391. Fuel supply system
  392. Misfire after 3k rpm...
  393. Temp gauge pegged backwards when ignition on.. 496 Mag Faria gauges
  394. Keihin Injector bore size
  395. looking for my first boat
  396. Quick fix for vapor locking
  397. Electric Trim Gauge not working
  398. Carb tuning
  399. wanting more lope sound
  400. 454 getting hot at wot
  401. Starter life.
  402. Water issues running on trailer
  403. Gauges Light replacement
  404. 502mpi loss of power and surging...
  405. gauges?
  406. crane ignition
  407. stainless marine contact number..
  408. Running out of gas
  409. SMI tail pipe exhaust leak issue
  410. Problems with dart 335 pro 1 heads breaking guide plates
  411. Donzi 26 ZX stock corsa exhaust question
  412. Max valve lift with gen 6 valve covers?
  413. small block turbos
  414. 24-7 engine hatch clearance with bbc
  415. 496 mag ho alarm and hard cold start help??
  416. Water Temp sending unit??
  417. Gimbal bearing
  418. injector connectors
  419. 502 efi
  420. Need Help With Throttle/Shift Cable Brackets
  421. 500EFI vs 525
  422. Sandwich Plate for Imco Powerflow
  423. Speedmaster prop question
  424. 7.4 mpi won't start
  425. gen v-vi block swap
  426. Need new Merc mechanical fuel pumps for 05 525 EFIs
  427. Electric Rams that Left boat hatchs
  428. 502 mag mpi spontaneous stalling at extended idle times
  429. 1992 Powerquest Engine Upgrade
  430. Fountain Bravo 1 WHAT IS THIS??
  431. Removing an Exhaust manifold
  432. 454 7.4 330 hard to turn over when hot
  433. Snap On BK8000 borescope
  434. 502 efi won't stay running
  435. surging idle
  436. what to buy ??? merc scan tool or techmate
  437. Zinc Additive
  438. Help! Gasket material question
  439. 24 Outlaw with twins?
  440. Warning Alarm going off
  441. Prop slip help essex valor 24
  442. Prop hub STUCK
  443. Can a dirty IAC muffler affect top speed in a 496 HO?
  444. oil pressure alarm beep not working
  445. 2007 6.2 Horizon Manifolds/ risers. Opinions on service life?
  446. Merc Racing Valve covers Clear Stud Girdles????
  447. EMI Thunder Exhaust fitting size?
  448. small block oil pump pickup questions, need pan id to find right pickup
  449. Sealing pipe threads on oil cooler?
  450. offshore to onshore
  451. Crazy timing setting
  452. Cleaning non-skid
  453. 850 Mighty Demon tuning instructions? Getting too much fuel and hard to start
  454. Oil temp sensor
  455. Oil pressure sending unit
  456. Aluminum circulating pump closed cooling ?
  457. '82 Excalibur Hawk original gauges
  458. HP 5oo Merc
  459. 600 SCi Oil Pressure Sending Unit Location?
  460. What's the latest and greatest info on the best oil filter
  461. 2001 500 EFI oil overheating
  462. mercury carbed 500's build list
  463. Wellcraft Portofino Exhaust tunnels
  464. Pump out waste tank question
  465. New rebuilt 502 installed and lacking power-Help!
  466. Daytona Plastix
  467. Oil Failure or Something elase? 385HP 454
  468. Broke drive coupler!
  469. 525 efi valve springs
  470. whats a thunderbolt IV ignition worth?
  471. rubber for flappers in exhaust tips.
  472. Purchase Swipes upholstery cleaners
  473. Running lightning headers semi-dry
  474. Where to find vintage vinyl flooring
  475. wind screen
  476. Slop in steering?
  477. recommendations on a fast v hull!
  478. Looking at a 1998 Cobalt 272, is this a deal breaker?
  479. Differenced in gimbal bell housings?
  480. What do i need to run full roller in a GEN V block?
  481. Need help buying crossover system
  482. Adding SmartCraft
  483. Ecm recalibration ? Pcm0701
  484. Amsoil
  485. No fuel pump provision on motor
  486. Cam specs? whats duration at.050??
  487. Jetting hp500 carb for 600hp??
  488. 2 Beeps at startup then stop?
  489. Fuel injector size?
  490. how to set timing on a merc 2000 454 MPI?
  491. Sloppy steering
  492. VHF Radio in Stock Stereo Location (1999 Baja 302)
  493. 502mpi oil Consumption
  494. Need some help here? At a loss...
  495. Is this too much cam?
  496. Has anyone installed these and/or have an opinion???
  497. distributors that will work with TBIV ...
  498. Carb Hat VS carb box on blow thru
  499. Ignition Module 848821-2 500 bulldog
  500. Do I need a new tach?