View Full Version : General Q & A




  1. length of exaust
  2. what makes LOTO so popular?
  3. Who makes this cross over
  4. 2 Quart Filter with Anti Drain Back - Where can I get them?
  5. flywheel vs. flexplate on small block alpha
  6. 496 mag getting hot at idle only
  7. Trim pump tech
  8. Whats it worth ?.
  9. What is a bussbar for? seems like a waste
  10. 500EFI fuel pump test
  11. refreshing the twins (454's)
  12. Glue for bunk carpet??
  13. What happened to kidapache
  14. What coupler for 600+hp
  15. Any ole school merc techs on here?
  16. Silent Choice won't open
  17. Tough gear shifter on my Bravo I any remedies for this
  18. Use "The Right Stuff" in place of circ pump & t-stat gaskets?
  19. Late model vs early model MerCruiser Sea pump question?
  20. Power steering question.....short or long water pump pulley
  21. torque lbs for speedmaster transom assembly
  22. Newbie question bravo steering actuator
  23. Crossover questions...done some searching already...
  24. Shiming bbc oil pump question
  25. 525 idle missing intermittently
  26. 496 Mag spark plug wires
  27. Livorsi tachs
  28. port window clips
  29. 502 MPI Temp Sensor
  30. Removing Corsa Mufflers Need Help Removing or Gut Them?
  31. Which route to go on hydraulic steering?
  32. How much horsepower to go up a prop size
  33. Freshwater pickup.....transom or bottom?
  34. where to get power for elec choke
  35. Retorque head studs after fixing leaks?
  36. What fuel would your run
  37. Valve Cover vent fitting
  38. Milkshake
  39. Throttle and shifter adjustment 1999 26zx?
  40. Bravo 3 tilt switch R&R
  41. why has this been on the market so long ?
  42. Where to Purchase Trailer Bunk Carpet
  43. 280 k planes, what hardware for mounting?
  44. HP500 wiring diagram
  45. Max rpm for using thru-prop exhaust?
  46. Maximum speed with bimini top?
  47. Bravo y pipe weight?
  48. 525 efi rebuilds
  49. Hydraulic Steering Setup
  50. 525 EFI - fuel filter
  51. Weldwood glue for carpet
  52. 525 EFI - Coolant Change
  53. 525 EFI alternator connector ?
  54. what size carb for mercruiser 350 magnum
  55. Another LivorsiGaffrig GPS battery type question
  56. Water Pressure
  57. Dumb? Trim Question
  58. Bennett Trim Tabs not working
  59. Drive Shower Pickups-- Prop Rotation
  60. Sea Water pump rebuild
  61. What am I getting into with a 1998 47' Fountain Lightning that needs new STRINGERS???
  62. water in intake manifold
  63. 575sc blower
  64. Fuel line from duel feed holley
  65. Bravo 3 tilt limit switch
  66. Untra saudade
  67. HP500 Valve spring change....
  68. motors once again shutting off
  69. Props
  70. please help !
  71. dyno exhaust ??
  72. 525SC with crossover...how to route hoses what Tstat housing?
  73. Transmission on 1999 Merc Mag 350
  74. Spark Plug Recommendation
  75. 525 2 stage sea pump vs single stage ?
  76. 2003 Baja Brass boat plug and plate
  77. Lube point 502 Mag
  78. merc manual
  79. Anyone had issues with burrs in the lifter bores on GM Gen VI blocks?
  80. Engine flush kits...
  81. 1997 Falcon 2500 CD
  82. Mounting sea strainer
  83. Replacement of 502 mag mpi heads
  84. 454 mercuiser MPI thermostat
  85. Wiring/ rigging ? Breakers
  86. 502 mpi vortec adjustable fuel pressure regulator
  87. 525 EFI clone
  88. Shifter question
  89. Why this cam in a 420?
  90. 1998 22' scarab owners manual
  91. MSD vs. Mallory electronic
  92. exhaust tips with big turndown
  93. Bravo cut away needed
  94. 454 mag valve interference
  95. Gas shocks (struts)
  96. Heads port size
  97. differance between 365 and 420's
  98. Rebuild 575 SCI's and add closed cooling system
  99. Pin out sheet needed mefi 1 to mefi 4
  100. Information on 31' Aerotech with Twin 600Hp engines
  101. GPS Chartplotter
  102. Another dyno session today
  103. Wiring diagram needed
  104. smartcraft says: estop aserted what to do? 600sci
  105. formula vs. fountain
  106. 700 SC camshaft
  107. Yam outboards: 115 Vs 150
  108. 5.7GSi starts then stalls
  109. Prop Direction and Drive Direction
  110. 496 ho engine hp upgrades?
  111. Fuel Pump Pushrod
  112. merc 525 efi maint.?
  113. 502 Mag Mpi Fuel Pump
  114. looking for procharger guru's
  115. Thru transom cable sealant
  116. high end clever props, are they the biggest rip off ever?
  117. 496 MAG Elbows
  118. Lifter Valley Vents
  119. Gil exhaust question
  120. 525 header removal
  121. Help with serp. Belt 496
  122. Looking for some input on current situation
  123. vessel view on 1999 mag?
  124. Prop Direction
  125. Best flame arrestor
  126. Who made the pistons for Mercury racing in 03?
  127. wiring diagram 700 sci 14-pin connector?
  128. repowing with 1350's?
  129. Imco shorty's on Formula 292 SR-1
  130. HP 630 Lamborghini
  131. 496 MAG HO water issues
  132. XS Power Dry Headers ...Does anyone know what they are worth??
  133. Help Identifying HP500? modified internals and castings
  134. How do you get keepers to release
  135. 525SC upgrades Marine Kinetics Cam
  136. 91 502 MAG Valve Spring and Lifters
  137. Iimor ????
  138. Installing WB 02 in IMCO power flow elbow
  139. Blower on 25 Aggressor
  140. Mystery parts
  141. Oil Pan ?
  142. Cylinder head port sizes.
  143. Need cam help!
  144. Stainless Marine or CMI's
  145. educate me on Sea Strainers
  146. What are you using for lube?
  147. What to do or say.
  148. Y Pipe flappers
  149. would I be wasting my money putting emi thunders on a stock 502?
  150. Oil Pressure and Temp senders location on 502 Mag MPI
  151. 350 mag mpi starts hard warm
  152. Fountain on ebay
  153. leaking header
  154. Roots Blower fuel distribution
  155. ez dock parts
  156. Help me out here
  157. seeking trailer tire advice
  158. oil Pre-lube pump and check valve?
  159. M1 pro charger "ecu tuning"?????????????
  160. 32 Fountain WAS in salt water
  161. TRIM MASTER PUMP Q's.
  162. 502 carb motor ???
  163. powder coating out drives?
  164. bravo 1 upper and lower gear cases?
  165. Can anyone help me identify the gear ratio on this bravo drive based on the serial #?
  166. is this damage or a factory hole on my bravo nose?
  167. Broken stud in EMI Thunder manifold / header??
  168. best foam
  169. Quadrajet limitations?
  170. 502 mag fuel pressure
  171. Simple audio question
  172. Who made this steering column?
  173. New Season Boating Prayer
  174. How do you adjust the tension on a Zero Effort Throttle Control
  175. Is this a go fast hull or am I dreaming?
  176. Cam suggestions for 383 build
  177. Hook in 24 Outlaw
  178. Is it worth it to upgrade intake manifold and carb?
  179. filling bad stringers with "Nidabond"?
  180. Prop Change??
  181. Pro charger and carb Info
  182. Kiekhaefer Aeromarine Hydraulic Steering System Installation Instructions
  183. trusted mechanic ft myers port charlotte
  184. 454 water issues, water in #5 #7 and oil, cant locate source
  185. What gen motors are 525s?
  186. Selecting a manifold for AFR 265's - single versus dual plane - thoughts anyone?
  187. 2001 merc 575 sc questions
  188. 92 or 102mm Throttle Body on 521ci stroked 496 Merc with Raylar Cool Cap intake
  189. Stainless Marine Headers 496 HO
  190. Rotten Stringers
  191. 1988 TRS inner transom plate removal
  192. Blue Fuel Line
  193. labbed prop
  194. Merc 496 Mag Water Leak - Help
  195. Cigarette 20 - Exterior Hardware Update - Bow/Stern Lift Rings Replacement
  196. Power valve in holley.
  197. Vessel view codes?
  198. Where to buy Stainless Mirror for engine hatch??
  199. JR Marine swivel pin & U Bolt HP transom assembly
  200. Strainer for my application
  201. Has anyone put a boarding ladder on a 27 Fountain?
  202. lowrance hds7 on 03 baja 496ho connections
  203. Burned rubber on Stainless riser...
  204. harmonic balancers
  205. Checking for rot and other possible issues. 98 Baja 232
  206. Reverso GP-3010 Series Oil Change System -- any good??
  207. Bow tie block vs ZZ 502
  208. Attn Indy racer
  209. Full hydraulic steering VS. Add on kit What's the difference?
  210. Remove gas from rub rail?
  211. Flipped my first Cigarette.............Beware Its Graphic
  212. Removing fuel rail/injectors on 496 MAG
  213. Looking for a 30foot plus sit down
  214. Gas Tank check valve
  215. Fuel Pumps
  216. Fuel injector o- rings etc.. Kits? 454 mag MPI's
  217. Anodized Diamond Plate in colors????
  218. HP500EFI fuel reg questions
  219. Carbed 502 Mag Rebuild Questions
  220. 525EFI Oil Drain hose question..
  221. need help identifying cooling hoses
  222. Electric Fuel pump Q?
  223. Reversion.... am I ok?
  224. Gimble ring repair
  225. 525 efi part conversion
  226. Rex Marine Exhaust
  227. What size tool to remove fuel rail on 454 mag MPI
  228. guidance needed on an efi swap please
  229. Thermostat or no thermostat 502
  230. Drive height 89 Panther
  231. Motorized Battery Switches
  232. Bravo Transom Drill Plate
  233. Drive hight
  234. Opinions on build
  235. How do I fire HP500EFI outside the boat?
  236. Has anyone tried a RPM Air Gap on an otherwise stock HP500
  237. Correct carb for 350 small block...650CFM??
  238. Marine gauges
  239. Cigarette Sea Strainer Gasket
  240. incomplete - Sea Strainers
  241. R Tech Intercoolers, Anybody know how to contact them?
  242. Odd knocking sound on 500EFI XR setup
  243. What to do?
  244. Valve springs 1989 425?
  245. Looking at 1998 Sunsation Aggressor - Questions..
  246. Hinge pin threads stripped
  247. cam for 500efi
  248. Anyone need 41-983 plugs for a 496?
  249. Best upper gimble steering pin?
  250. 502 blocks
  251. builder question?
  252. Distrubitur Question
  253. Hammond Challenger
  254. Oil coolers what size and a few other ?
  255. Low frequency vibration...
  256. lightning headers in a bravo drive 24-7
  257. Hydraulic Steering helm?
  258. Alpha to bravo
  259. Big Chief Exhaust Manifold
  260. Found these interesting..
  261. Has anybody run the Crower offset trunion rockers with longer than stock valves?
  262. Merc 350 engine knock..help!
  263. Dual Ram Hydraulic Steering
  264. alterator on 454 mag help
  265. boat magazines ?
  266. Can anyone help me find the year of my motor?
  267. 525 efi parts
  268. Need a little cam help for small blocks
  269. Jetting with a Blower
  270. What valve covers to clear stud girdle and lightning headers
  271. Stock 500efi/ whipple upgraded map
  272. Cigarette 20 Interior Upgrade with Cigarette Emblem
  273. What is the cam number on a 525 Efi cam?
  274. Cam shaft numbers
  275. ID CAT 3208t no numbers
  276. Anybody using these oil thermostat block adapters?
  277. Blue Anodized pulley 500EFI
  278. Looking for silicone exhaust hose
  279. Need new power steering pump?
  280. Electric Fuel Pump Question
  281. Boat loads difficult on trailer
  282. Temps and Tach
  283. Starter hung up
  284. Whipple Upgrade kits
  285. Opinions on tall deck intake spacers
  286. Dart heads on Mercruiser 8.1
  287. Wiring harness for mercury 525?
  288. 600sc drive ratio vs boost
  289. spinning engine over before firing with the key
  290. HP500 Carbed, RPM, Cam Question
  291. Mechanical drive indicator help...
  292. 500 hp efi nameplate placard
  293. pn for 1997 502 mag MPI's fuel pressure regulator
  294. 502 wiring harness swap!
  295. Race Hatches Latches/Handle assy
  296. Bravo coupler life expectancy?
  297. Reading engine hours that's not in boat
  298. race hull /pleasure sport hull
  299. Can you indentify this cam?
  300. 600SCI Rebuild
  301. How do I convert a Chevy 502 ht into marine application
  302. gear drives
  303. single smart craft gauge?
  304. Braze or Weld Oil Pickup
  305. Max power to TRS drives
  306. Class action lawsuit ( mercruiser) vapor-lock issues.
  307. 525 exhaust spring specs?
  308. Post your engine pics!
  309. K & N Flame Arrestor For HP 500 Carbed
  310. Larger Blowers for 525sc's
  311. 525SC Carb'd vs 500EFI
  312. What thermostat should I run?
  313. Diacom marine or Techmate
  314. want reliable hp out of a 496
  315. IMCO or Sportsmaster Lower?
  316. Question on Raw Water Cooling Routing with Dry Exhaust ?
  317. 525's valve srping Q.
  318. Scatt 9000 crank BB chev
  319. Need help with choosing cam
  320. Flappers in my offshore exhaust tips
  321. Gen VI 496 builds - Stock oil cooler adequate?
  322. 500 efi exhaust
  323. captains call harness
  324. Hitting anything submerged
  325. Mirror sheets for engine hatch
  326. 1996 29' scarab
  327. Top mount starter bell housing for bravo 1
  328. Starter Circuit testing - No action!
  329. Standard Bravo 3 showing wear
  330. Raw Deal Engine rebuild No warranty I Know I'm not Alone Opinions Please
  331. Hydraulic roller profiles?
  332. Question on Pulling my engine
  333. Engine builder
  334. Question about and problem with beehive valve spring retainers
  335. Pink Mold
  336. Hp500 rusted exhaust seats. Need advice!
  337. How much power can you put to a gen v 502 ho block.
  338. Nisonger SuperChargers
  339. Anyone running GGB inserts?
  340. Trim tabs
  341. Looking to go with Gibson 4.5 clamp on bullet mufflers, opinions, videos?
  342. ILMOR and INDY Drive Package
  343. Questions about Sea Strainer and Outdrive Shower
  344. 93 powerquest want to get to 70mph I'm at 64 now. Need advice
  345. Boat never got wet this summer - need advice !
  346. Lets talk distributers
  347. Fuel pump vent system question
  348. Reliable Mods On 502 MAGs?
  349. 502 cylinder heads Quick question?? PLease help
  350. Injector cleaning service southeast mich
  351. Little help needed
  352. Any Disadvantages of Solid Roller lifters?
  353. engine oil
  354. Fuel Cap Chain
  355. Brochure for 20 Foot Cigarette
  356. Break in procedure for new 502???
  357. Stainless bolts thru aluminum
  358. HP500EFI Injectors?
  359. 575 SCI throttle bodies?
  360. 500 EFI Head Question
  361. Sheet Metal intake?
  362. Rattling knocking noise coming from Bravo at full turn
  363. Rack and Pinion vs Rotary Steering
  364. Best vinyl conditioner/protectant?
  365. Looking for infos to convert an 8.2 MAG to HO Version!!
  366. Engine paint question.
  367. Mercruiser 383 and Alpha one?
  368. Best exhaust for 525sc's
  369. welding shop in so. wisconsin
  370. 509" cam
  371. 1996 7.4 liter belt replacement
  372. I want a crossover but should I have closed cooling?
  373. MSD 6M-2 rev limiting?
  374. Merc 525 EFI power upgrades
  375. Upholstry shop recommendations near Hartford ct
  376. 454mpi VI duel in boss 302 putting up have ??????
  377. D... blue drain plugs
  378. Isotta Aria steering wheel..
  379. Combo oil/powersteering coolers
  380. Fuel cooler. Anyone using them?
  381. Ditching the power steering cooler
  382. How big is this oil pan
  383. Stallion Powerboats? Whaaaat?
  384. Closed cooling question? Use 1or 2 water feeds???
  385. Reversion, Reversion Reversion
  386. Question on CMI captains choice exhaust
  387. do most of you run chokes on your carbs?
  388. 496 Manifolds VS 7.4 Manifolds dimensions?
  389. Performance of 496 manifolds over 454 manifolds
  390. Gen 4 454 question
  391. Mercury Optimax '05 150?
  392. Restoration
  393. 525 SC's
  394. water crossovers pros cons
  395. Brochure for 20 foot Cigarette Performance Boat
  396. I.D. this rod
  397. Why 557? What is the big deal?
  398. 2000 47 Lightning - Is staggered 600sci motors feasible vs. trip 525efi? Top speed?
  399. T-Stat housing check balls
  400. NEW 502 blocks
  401. Gen 5 parts into a gen6 block
  402. Crank Driven Water Pump vs Belt Driven Water Pump
  403. converting from alpha to bravo, bravo questions.
  404. 2000 353 formula with 250 blowers
  405. Oberg oil filters
  406. which 502 do I have? it sure would be easy if a parts vendor added a search engine!
  407. pair 500 efis not fireing on no.3 cylinder
  408. How close??
  409. Moly vs Gapless top rings
  410. which book do you recomend for servicing big block mercs?
  411. Issues with reversion with this cam and exhaust setup?
  412. Another 7.4l 330 hp mod question
  413. Free To A Good Home
  414. Coating tabs options?
  415. Loudest aftermarket manifolds/headers?
  416. Does anyone use this style of muffler anymore?
  417. Gen 4 heads on a Gen5
  418. Electronics Category Under Technical ?
  419. dry sump conversion
  420. 2005 Baja SST
  421. tubed or manifold for blower motor does it make a difference?
  422. how to ad profile picture
  423. What hydraulic roller cam to use in place of this solid roller cam in my 598's?
  424. how much boost???
  425. Carter Carb "Welsh" Plugs
  426. Challenge: Which boat/model is this?
  427. General opinion carb manifold
  428. Reinstalling headers on a Merc 700
  429. Rust specs in exhaust ports? Is this normal? CMI's done?
  430. Any Com guys on the east coast?
  431. What would be the best ignition modules ??? Info on them???
  432. Water for intercooler
  433. Seawater/fuel pump leaking AND water in exhaust in new build?
  434. Inconel exhaust valves in 500 EFI engines?
  435. Gen 6 454 build in Formula 242ls
  436. Ditching VST for Aeromotive fuel pumps help.
  437. How much fuel pressure for 502 withDemon 850?
  438. Bravo transom seal dry or 4200?
  439. Trim Tab Speed
  440. Need a square hub adapter for steering wheel
  441. CMI etops and tail pipe question
  442. Where do you get a gas tank vent cap?
  443. 174 blower on a 454??
  444. Scarab 29 engine vent
  445. Transom lift hooks
  446. super charging a 502 efi.... where to start
  447. 850/900 hp
  448. Cam? Teague stage 2 = Crane 741 ??
  449. Looking for mefi 4b with wiring harness for 8.1
  450. Valve Covers..
  451. Tall deck to short deck?
  452. hydraulic steering helm
  453. Distributor collar needed??
  454. 8.2 MAG HO ECT exhaust manifold paint flaking
  455. Swap 496 Mag HO to 502 Mag HO
  456. 305 SBC upgrades
  457. engine swap 496 ho to 525s
  458. What to expect from blueprinted bottom
  459. How much total timing for Aluminum head 509??
  460. Help with wiring
  461. Looking to add headrests on my sunpad..
  462. Only about 2-3 cups??
  463. Mx 6.2 mpi
  464. 502 heads
  465. Educate me on proper sealants
  466. fuel injection
  467. Fountain 10 Meter Blown 454's TRS drives? Any input
  468. Seawater/fuel pump mounting bracket for V-belt?
  469. Mercruiser Engine Component Coatings
  470. Vinyl coating?
  471. GPS receivers. ?
  472. Starting problem on stock Mercruiser MPI
  473. Mcleod bolster seat ram bent, not working right.
  474. Cleaning fuel tanks and installing fuel filter
  475. Looking at a 35 cigarette cafe ..... Any out there and some advise
  476. formula 292
  477. 377 cu in Scorpion Specs?
  478. Repairing broken end journal on K Plane mounting plate
  479. Max load on stock valves
  480. Low Compression on 525? (new problem, new thread)
  481. Odd failure of exhaust hose
  482. What Is Best & SAFE Way To Disable 525 From Starting........
  483. Air Getting Into Zeiger Steering :/
  484. ecu-882 engine controll-anyone use this??
  485. Car lift for storing boat
  486. Mercruiser steering actuator assembly Bravo
  487. Window rubber to hold window in frame..
  488. 383 Stroker High RPM Lean Out
  489. Bleeding add on dual ram IMCO steering system
  490. 496 exhaust wateflow question
  491. Reinstalling MPI back onto a carbed 496 in a 1997 Baja Islander
  492. 049 BB heads
  493. What's the best bow roller I can get?
  494. Merc Racing 600 SCi... give me the scoop please.....
  495. Sub/Amp selection and placement
  496. Marine oil filter versus auto oil filter, any difference?
  497. 2.25 vs 2.30 valves in GM heads
  498. How I can make a 454 to 540?
  499. Is there to much steam coming from my exhaust???
  500. Merc 454 TPI work on 496 with no issues?