View Full Version : General Q & A




  1. 502 carb motor ???
  2. powder coating out drives?
  3. bravo 1 upper and lower gear cases?
  4. Can anyone help me identify the gear ratio on this bravo drive based on the serial #?
  5. is this damage or a factory hole on my bravo nose?
  6. Broken stud in EMI Thunder manifold / header??
  7. best foam
  8. Quadrajet limitations?
  9. 502 mag fuel pressure
  10. Simple audio question
  11. Who made this steering column?
  12. New Season Boating Prayer
  13. How do you adjust the tension on a Zero Effort Throttle Control
  14. Is this a go fast hull or am I dreaming?
  15. Cam suggestions for 383 build
  16. Hook in 24 Outlaw
  17. Is it worth it to upgrade intake manifold and carb?
  18. filling bad stringers with "Nidabond"?
  19. Prop Change??
  20. Pro charger and carb Info
  21. Kiekhaefer Aeromarine Hydraulic Steering System Installation Instructions
  22. trusted mechanic ft myers port charlotte
  23. 454 water issues, water in #5 #7 and oil, cant locate source
  24. What gen motors are 525s?
  25. Selecting a manifold for AFR 265's - single versus dual plane - thoughts anyone?
  26. 2001 merc 575 sc questions
  27. 92 or 102mm Throttle Body on 521ci stroked 496 Merc with Raylar Cool Cap intake
  28. Stainless Marine Headers 496 HO
  29. Rotten Stringers
  30. 1988 TRS inner transom plate removal
  31. Blue Fuel Line
  32. labbed prop
  33. Merc 496 Mag Water Leak - Help
  34. Cigarette 20 - Exterior Hardware Update - Bow/Stern Lift Rings Replacement
  35. Power valve in holley.
  36. Vessel view codes?
  37. Where to buy Stainless Mirror for engine hatch??
  38. Strainer for my application
  39. Has anyone put a boarding ladder on a 27 Fountain?
  40. lowrance hds7 on 03 baja 496ho connections
  41. Burned rubber on Stainless riser...
  42. harmonic balancers
  43. Checking for rot and other possible issues. 98 Baja 232
  44. Reverso GP-3010 Series Oil Change System -- any good??
  45. Bow tie block vs ZZ 502
  46. Attn Indy racer
  47. Full hydraulic steering VS. Add on kit What's the difference?
  48. Remove gas from rub rail?
  49. Flipped my first Cigarette.............Beware Its Graphic
  50. Removing fuel rail/injectors on 496 MAG
  51. Looking for a 30foot plus sit down
  52. Fuel Pumps
  53. Fuel injector o- rings etc.. Kits? 454 mag MPI's
  54. Anodized Diamond Plate in colors????
  55. HP500EFI fuel reg questions
  56. Carbed 502 Mag Rebuild Questions
  57. 525EFI Oil Drain hose question..
  58. need help identifying cooling hoses
  59. Electric Fuel pump Q?
  60. Reversion.... am I ok?
  61. Gimble ring repair
  62. 525 efi part conversion
  63. Rex Marine Exhaust
  64. What size tool to remove fuel rail on 454 mag MPI
  65. guidance needed on an efi swap please
  66. Thermostat or no thermostat 502
  67. Drive height 89 Panther
  68. Motorized Battery Switches
  69. Bravo Transom Drill Plate
  70. Drive hight
  71. Opinions on build
  72. How do I fire HP500EFI outside the boat?
  73. Has anyone tried a RPM Air Gap on an otherwise stock HP500
  74. Correct carb for 350 small block...650CFM??
  75. Marine gauges
  76. Cigarette Sea Strainer Gasket
  77. incomplete - Sea Strainers
  78. R Tech Intercoolers, Anybody know how to contact them?
  79. Odd knocking sound on 500EFI XR setup
  80. What to do?
  81. Valve springs 1989 425?
  82. Looking at 1998 Sunsation Aggressor - Questions..
  83. Hinge pin threads stripped
  84. cam for 500efi
  85. Anyone need 41-983 plugs for a 496?
  86. Best upper gimble steering pin?
  87. 502 blocks
  88. builder question?
  89. Distrubitur Question
  90. Hammond Challenger
  91. Oil coolers what size and a few other ?
  92. Low frequency vibration...
  93. lightning headers in a bravo drive 24-7
  94. Hydraulic Steering helm?
  95. Alpha to bravo
  96. Big Chief Exhaust Manifold
  97. Found these interesting..
  98. Has anybody run the Crower offset trunion rockers with longer than stock valves?
  99. Merc 350 engine knock..help!
  100. Dual Ram Hydraulic Steering
  101. alterator on 454 mag help
  102. boat magazines ?
  103. Can anyone help me find the year of my motor?
  104. 525 efi parts
  105. Need a little cam help for small blocks
  106. Jetting with a Blower
  107. What valve covers to clear stud girdle and lightning headers
  108. Stock 500efi/ whipple upgraded map
  109. Cigarette 20 Interior Upgrade with Cigarette Emblem
  110. What is the cam number on a 525 Efi cam?
  111. Cam shaft numbers
  112. ID CAT 3208t no numbers
  113. Anybody using these oil thermostat block adapters?
  114. Blue Anodized pulley 500EFI
  115. Looking for silicone exhaust hose
  116. Need new power steering pump?
  117. Electric Fuel Pump Question
  118. Boat loads difficult on trailer
  119. Temps and Tach
  120. Starter hung up
  121. Whipple Upgrade kits
  122. Opinions on tall deck intake spacers
  123. Dart heads on Mercruiser 8.1
  124. Wiring harness for mercury 525?
  125. 600sc drive ratio vs boost
  126. spinning engine over before firing with the key
  127. HP500 Carbed, RPM, Cam Question
  128. Mechanical drive indicator help...
  129. 500 hp efi nameplate placard
  130. pn for 1997 502 mag MPI's fuel pressure regulator
  131. 502 wiring harness swap!
  132. Race Hatches Latches/Handle assy
  133. Bravo coupler life expectancy?
  134. Reading engine hours that's not in boat
  135. race hull /pleasure sport hull
  136. Can you indentify this cam?
  137. 600SCI Rebuild
  138. How do I convert a Chevy 502 ht into marine application
  139. gear drives
  140. single smart craft gauge?
  141. Braze or Weld Oil Pickup
  142. Max power to TRS drives
  143. Class action lawsuit ( mercruiser) vapor-lock issues.
  144. 525 exhaust spring specs?
  145. Post your engine pics!
  146. K & N Flame Arrestor For HP 500 Carbed
  147. Larger Blowers for 525sc's
  148. 525SC Carb'd vs 500EFI
  149. What thermostat should I run?
  150. Diacom marine or Techmate
  151. want reliable hp out of a 496
  152. IMCO or Sportsmaster Lower?
  153. Question on Raw Water Cooling Routing with Dry Exhaust ?
  154. 525's valve srping Q.
  155. Scatt 9000 crank BB chev
  156. Need help with choosing cam
  157. Flappers in my offshore exhaust tips
  158. Gen VI 496 builds - Stock oil cooler adequate?
  159. 500 efi exhaust
  160. captains call harness
  161. Hitting anything submerged
  162. Mirror sheets for engine hatch
  163. 1996 29' scarab
  164. Top mount starter bell housing for bravo 1
  165. Starter Circuit testing - No action!
  166. Standard Bravo 3 showing wear
  167. Raw Deal Engine rebuild No warranty I Know I'm not Alone Opinions Please
  168. Hydraulic roller profiles?
  169. Question on Pulling my engine
  170. Engine builder
  171. Question about and problem with beehive valve spring retainers
  172. Pink Mold
  173. Hp500 rusted exhaust seats. Need advice!
  174. How much power can you put to a gen v 502 ho block.
  175. Nisonger SuperChargers
  176. Anyone running GGB inserts?
  177. Trim tabs
  178. Looking to go with Gibson 4.5 clamp on bullet mufflers, opinions, videos?
  179. ILMOR and INDY Drive Package
  180. Questions about Sea Strainer and Outdrive Shower
  181. 93 powerquest want to get to 70mph I'm at 64 now. Need advice
  182. Boat never got wet this summer - need advice !
  183. Lets talk distributers
  184. Fuel pump vent system question
  185. Reliable Mods On 502 MAGs?
  186. 502 cylinder heads Quick question?? PLease help
  187. Injector cleaning service southeast mich
  188. Little help needed
  189. Any Disadvantages of Solid Roller lifters?
  190. engine oil
  191. Fuel Cap Chain
  192. Brochure for 20 Foot Cigarette
  193. Break in procedure for new 502???
  194. Stainless bolts thru aluminum
  195. HP500EFI Injectors?
  196. 575 SCI throttle bodies?
  197. 500 EFI Head Question
  198. Sheet Metal intake?
  199. Rattling knocking noise coming from Bravo at full turn
  200. Rack and Pinion vs Rotary Steering
  201. Best vinyl conditioner/protectant?
  202. Looking for infos to convert an 8.2 MAG to HO Version!!
  203. Engine paint question.
  204. Mercruiser 383 and Alpha one?
  205. Best exhaust for 525sc's
  206. welding shop in so. wisconsin
  207. 509" cam
  208. 1996 7.4 liter belt replacement
  209. I want a crossover but should I have closed cooling?
  210. MSD 6M-2 rev limiting?
  211. Merc 525 EFI power upgrades
  212. Upholstry shop recommendations near Hartford ct
  213. 454mpi VI duel in boss 302 putting up have ??????
  214. D... blue drain plugs
  215. Isotta Aria steering wheel..
  216. Combo oil/powersteering coolers
  217. Fuel cooler. Anyone using them?
  218. Ditching the power steering cooler
  219. How big is this oil pan
  220. Stallion Powerboats? Whaaaat?
  221. Closed cooling question? Use 1or 2 water feeds???
  222. Reversion, Reversion Reversion
  223. Question on CMI captains choice exhaust
  224. do most of you run chokes on your carbs?
  225. 496 Manifolds VS 7.4 Manifolds dimensions?
  226. Performance of 496 manifolds over 454 manifolds
  227. Gen 4 454 question
  228. Mercury Optimax '05 150?
  229. Restoration
  230. 525 SC's
  231. water crossovers pros cons
  232. Brochure for 20 foot Cigarette Performance Boat
  233. I.D. this rod
  234. Why 557? What is the big deal?
  235. 2000 47 Lightning - Is staggered 600sci motors feasible vs. trip 525efi? Top speed?
  236. T-Stat housing check balls
  237. NEW 502 blocks
  238. Gen 5 parts into a gen6 block
  239. Crank Driven Water Pump vs Belt Driven Water Pump
  240. converting from alpha to bravo, bravo questions.
  241. 2000 353 formula with 250 blowers
  242. Oberg oil filters
  243. which 502 do I have? it sure would be easy if a parts vendor added a search engine!
  244. pair 500 efis not fireing on no.3 cylinder
  245. How close??
  246. which book do you recomend for servicing big block mercs?
  247. Issues with reversion with this cam and exhaust setup?
  248. Another 7.4l 330 hp mod question
  249. Free To A Good Home
  250. Coating tabs options?
  251. Loudest aftermarket manifolds/headers?
  252. Does anyone use this style of muffler anymore?
  253. Gen 4 heads on a Gen5
  254. Electronics Category Under Technical ?
  255. dry sump conversion
  256. 2005 Baja SST
  257. tubed or manifold for blower motor does it make a difference?
  258. how to ad profile picture
  259. What hydraulic roller cam to use in place of this solid roller cam in my 598's?
  260. how much boost???
  261. Carter Carb "Welsh" Plugs
  262. Challenge: Which boat/model is this?
  263. General opinion carb manifold
  264. Reinstalling headers on a Merc 700
  265. Rust specs in exhaust ports? Is this normal? CMI's done?
  266. Any Com guys on the east coast?
  267. What would be the best ignition modules ??? Info on them???
  268. Water for intercooler
  269. Seawater/fuel pump leaking AND water in exhaust in new build?
  270. Inconel exhaust valves in 500 EFI engines?
  271. Gen 6 454 build in Formula 242ls
  272. Ditching VST for Aeromotive fuel pumps help.
  273. How much fuel pressure for 502 withDemon 850?
  274. Trim Tab Speed
  275. Need a square hub adapter for steering wheel
  276. CMI etops and tail pipe question
  277. Where do you get a gas tank vent cap?
  278. 174 blower on a 454??
  279. Scarab 29 engine vent
  280. Transom lift hooks
  281. super charging a 502 efi.... where to start
  282. 850/900 hp
  283. Cam? Teague stage 2 = Crane 741 ??
  284. Looking for mefi 4b with wiring harness for 8.1
  285. Valve Covers..
  286. Tall deck to short deck?
  287. hydraulic steering helm
  288. Distributor collar needed??
  289. 8.2 MAG HO ECT exhaust manifold paint flaking
  290. Swap 496 Mag HO to 502 Mag HO
  291. 305 SBC upgrades
  292. engine swap 496 ho to 525s
  293. What to expect from blueprinted bottom
  294. How much total timing for Aluminum head 509??
  295. Help with wiring
  296. Looking to add headrests on my sunpad..
  297. Only about 2-3 cups??
  298. Mx 6.2 mpi
  299. 502 heads
  300. Educate me on proper sealants
  301. fuel injection
  302. Fountain 10 Meter Blown 454's TRS drives? Any input
  303. Seawater/fuel pump mounting bracket for V-belt?
  304. Mercruiser Engine Component Coatings
  305. Vinyl coating?
  306. GPS receivers. ?
  307. Starting problem on stock Mercruiser MPI
  308. Mcleod bolster seat ram bent, not working right.
  309. Cleaning fuel tanks and installing fuel filter
  310. Looking at a 35 cigarette cafe ..... Any out there and some advise
  311. formula 292
  312. 377 cu in Scorpion Specs?
  313. Repairing broken end journal on K Plane mounting plate
  314. Max load on stock valves
  315. Low Compression on 525? (new problem, new thread)
  316. Odd failure of exhaust hose
  317. What Is Best & SAFE Way To Disable 525 From Starting........
  318. Air Getting Into Zeiger Steering :/
  319. ecu-882 engine controll-anyone use this??
  320. Car lift for storing boat
  321. Window rubber to hold window in frame..
  322. 383 Stroker High RPM Lean Out
  323. Bleeding add on dual ram IMCO steering system
  324. 496 exhaust wateflow question
  325. Reinstalling MPI back onto a carbed 496 in a 1997 Baja Islander
  326. 049 BB heads
  327. What's the best bow roller I can get?
  328. Merc Racing 600 SCi... give me the scoop please.....
  329. Sub/Amp selection and placement
  330. Marine oil filter versus auto oil filter, any difference?
  331. 2.25 vs 2.30 valves in GM heads
  332. How I can make a 454 to 540?
  333. Is there to much steam coming from my exhaust???
  334. Merc 454 TPI work on 496 with no issues?
  335. convincor 251 engine build
  336. Thinking of running a crossover
  337. Idle air control
  338. 250 vs 420 blower
  339. Looking for some BLUE RUB RAIL
  340. 502 exhaust flappers
  341. Great Article on detonation/preignition
  342. Fountain tailpipes
  343. To Goose or not
  344. so many prochargers for sale, makes me wonder
  345. Best Gaskets
  346. IAC Valve (4.3MPI)
  347. opinions on non-power hydraulic steering
  348. help with new motor swap questions
  349. Building a 454 Heads
  350. 600SCI Upgrades
  351. 6.0 lq4 chevy LS cam input needed
  352. 96 four Winns with Ford 302 rebuild questions
  353. Looking at a hynautic hydro steering kit..explain it all to me...
  354. Engine keeps on runing
  355. 31 fastec propellers
  356. Bravo Yoke Repair
  357. Aftermarket EFI systems. Whos running what??? and feedback!
  358. Digital Ignition Control Box!!!
  359. Engine alarm package?
  360. Carbed 502 fuel line size?
  361. 502 efi cam
  362. Engine Room Cameras
  363. Prop advice
  364. 572sc questions
  365. Christmas Tree Orniments
  366. Stellings Bravo Extension Box Cover Gaskets
  367. shorties on a donzi 33 zx
  368. Anybody using wide band A/F gauges while running?
  369. 04 sonic electrical problem
  370. Proven cam combos 540CI??
  371. Tabs too big?
  372. Coupon code for cp performance
  373. 1995 525sc plugs
  374. 496 ho
  375. Need a intake for 500 HP which one?
  376. Upgrades before installing some 496 MAG's
  377. Engine build /compression question combination
  378. convert to crossovers on twin 575sci
  379. Help Needed Setting Up Ignition Timing Curve For Blown 502
  380. going electric...need pics
  381. Experience with Fastec superchargers?
  382. can someone help identify this pcm
  383. Stereo system with low volume output....stumped!
  384. RPM gauge help. ...
  385. Blower Motor Set up and Tune 257 Mirage
  386. Smartcraft "blk psi ckt hi" code
  387. Loud squeal metal to metal
  388. electrical problems please help
  389. 454mag top end rebuild
  390. Is there actually a chiller for B&M/Weiand/Holley 174 Blower
  391. 525 efi upgrade
  392. Bravo I, sometimes both forward & reverse, sometime only forward, sometimes neither..
  393. 454 manifolds fit on a 502?
  394. fuel pressure gauge help...
  395. Cam specs
  396. Is it worth going from MEFI 1 to MEFI 4?
  397. quick oil cooler question
  398. Installing gears in a speed master lower unit.
  399. 1989 Eliminator Tahoe 454 330hp
  400. 502 losing oil pressure
  401. 502 Mag to HP500??
  402. Can Gil exhaust manifolds be milled?
  403. Desktop dyno
  404. Raylar 496 intake
  405. Bennett trim tabs on 271 fastec.
  406. Areomotive a1000 pump getting weak? loosing prime
  407. is this a marine alt?
  408. Custom Dash Panel Help.....
  409. fixing to blow up a boat!
  410. baja 272 power steering tight
  411. Worth swapping intakes?
  412. Help what Company programs MEFI1
  413. Need a Spark Advance Table Chart from 502 EFI
  414. 600 sci, how many hours do you have on yours? Rebuild cost?
  415. Break in oil.
  416. british boat
  417. effects of factory TBIV timing module on performance
  418. 500hp or rebuild my 454??
  419. Raising rev limit on 500 efi
  420. Carter mech. fuel pump #0-2208 help...
  421. 350hp 454 mag carb vs 365hp mag?
  422. RPM for 350 MPI's
  423. Ring end gap.
  424. 1990 baja islander 190
  425. Looking for a starter
  426. 1987 2657 carver will not reach wot
  427. Donzi 38 zx bench seat removal
  428. What is a 8.1 with a Whipple worth
  429. Electric fuel pump or Mechanical?
  430. Fuel pump issues..fuel pump going out?
  431. 502 vs 502
  432. looking for a manuel fuel pump
  433. Pics of last winters Warlock upgrades....there were a lot!
  434. Diacom (total spark advance) Help
  435. problem with bulldog flywheel
  436. flush a drive
  437. Kodiak Brand -Trailer Brake Rotors - Dacromet coated vs Stainless Steel
  438. education opportunity ?
  439. dui distributors
  440. MSD ignition like 6m for a 454 mercruiser - 400 Hp
  441. Mercrusier 350 Mag MPI won't start please help!
  442. Msd ignition like 6M for 454 - 400 hp
  443. 500 EFI Injectors aftermarket replacement
  444. Battery Charger
  445. Gen 6 8.2 HO cam specs
  446. Mercruiser scan tool
  447. Header mounting problem
  448. reading about seawater driven fuel pump - now paranoid
  449. Hp500 carb cam upgrade
  450. Carrie Covers - Opinions
  451. 22 ft 88 avanti can it handle a 1000 hp?
  452. anodized, imron, or powder coat?
  453. Canton Oil pan for Offshore style mount
  454. Corsa 4 wire harness
  455. damaged boats
  456. Throttle response
  457. gen 6 engine filling oilpan with water.
  458. hydraulic steering info
  459. Oil pump pressure relief valve?
  460. Strange fuel tank issue
  461. 500 EFI overheating
  462. FBI virus
  463. oil pan
  464. Excess fuel consumption
  465. PowerPlat 185XLT Euro Windshield Removal
  466. best way to clean sludge and varnish for a aluminum tank
  467. I HAVE FOUND ignition modules for 502 EFI's CHEAP!
  468. condensation inside exhaust?
  469. 525 Cam Sensor Install ? Any one have Instructions?
  470. Smartcraft on Garmin 5212
  471. 496 H.O. two beeps when motor is not running
  472. need to find a distributor module for a EST distributor
  473. Best way to Modify tank for larger pickup?
  474. What size TB's are on 575SCi's
  475. 540/B&M 250 Issue
  476. Need Help With Cable Replacement
  477. Thermostat or not?
  478. 575SCi blower oil
  479. stainless marine sbc maifold clearance
  480. Deck boat / party cat?
  481. Engine R/R Hours and Rates
  482. Does anyone make a steering wheel in teal?
  483. Smartcraft tab position sensor
  484. wiring problems
  485. fiberglass dock box repair
  486. Mercruiser mecahnical fuel pump question HP500
  487. Smart Craft Pros?Cons?
  488. Carbs or EFIs
  489. Fuel Fittings
  490. Adding Cup to props does it really work???
  491. prochargers and boost
  492. Thermostat vs no thermostat 540 cid Procharger engine
  493. Boost retard
  494. Quick Question.....Winterizing 496 H.O.
  495. Someone please explain what hydraulic steering I will need..add on..or full
  496. suggestions on heads, cam, intake swap..
  497. Classified question
  498. Extension boxes
  499. 90 amp fuse
  500. hatch switch