View Full Version : General Q & A




  1. 502 to 540 build
  2. 500efi fuel pressure
  3. Classifieds?
  4. heads
  5. Anyone using the Hardin Marine Water pump on LS Motors?
  6. 2001 Wellcraft Excalibur 26 - could anyone please urgently help with a picture?
  7. Two trim pumps, one slower on trim out? ITS XR drives
  8. 7.4 Thermostat housing old or new??
  9. Mooneyham snout and coupler question
  10. Bimini Cover height question
  11. Mercruiser 454 HP425 engine siezed - help!
  12. 454 has ticking noise
  13. To stat or not to stat that is the question
  14. HP500 Fuel Pump?
  15. looking to purchase bravo 1 lower and upper housings only?
  16. best overall spray detailing product?
  17. Internal balance flywheel
  18. B&M 250 Blower
  19. Where to connect water press hose on A 525EFI?
  20. Stainless Trim Tab Ram
  21. Rigging experts, I have a question
  22. Anyone using a dry sump oiling system? Need some pics.
  23. valve seals
  24. School me on sea pumps
  25. length of exaust
  26. Who makes this cross over
  27. 2 Quart Filter with Anti Drain Back - Where can I get them?
  28. flywheel vs. flexplate on small block alpha
  29. 496 mag getting hot at idle only
  30. Trim pump tech
  31. Whats it worth ?.
  32. What is a bussbar for? seems like a waste
  33. 500EFI fuel pump test
  34. refreshing the twins (454's)
  35. Glue for bunk carpet??
  36. What happened to kidapache
  37. What coupler for 600+hp
  38. Any ole school merc techs on here?
  39. Silent Choice won't open
  40. Tough gear shifter on my Bravo I any remedies for this
  41. Use "The Right Stuff" in place of circ pump & t-stat gaskets?
  42. Late model vs early model MerCruiser Sea pump question?
  43. Power steering question.....short or long water pump pulley
  44. torque lbs for speedmaster transom assembly
  45. Newbie question bravo steering actuator
  46. Crossover questions...done some searching already...
  47. Shiming bbc oil pump question
  48. 525 idle missing intermittently
  49. 496 Mag spark plug wires
  50. Livorsi tachs
  51. port window clips
  52. 502 MPI Temp Sensor
  53. Removing Corsa Mufflers Need Help Removing or Gut Them?
  54. Which route to go on hydraulic steering?
  55. How much horsepower to go up a prop size
  56. Freshwater pickup.....transom or bottom?
  57. where to get power for elec choke
  58. Retorque head studs after fixing leaks?
  59. What fuel would your run
  60. Valve Cover vent fitting
  61. Milkshake
  62. Throttle and shifter adjustment 1999 26zx?
  63. Bravo 3 tilt switch R&R
  64. why has this been on the market so long ?
  65. Where to Purchase Trailer Bunk Carpet
  66. 280 k planes, what hardware for mounting?
  67. HP500 wiring diagram
  68. Max rpm for using thru-prop exhaust?
  69. Maximum speed with bimini top?
  70. Bravo y pipe weight?
  71. 525 efi rebuilds
  72. Hydraulic Steering Setup
  73. 525 EFI - fuel filter
  74. Weldwood glue for carpet
  75. 525 EFI - Coolant Change
  76. 525 EFI alternator connector ?
  77. what size carb for mercruiser 350 magnum
  78. Another LivorsiGaffrig GPS battery type question
  79. Water Pressure
  80. Dumb? Trim Question
  81. Bennett Trim Tabs not working
  82. Drive Shower Pickups-- Prop Rotation
  83. Sea Water pump rebuild
  84. What am I getting into with a 1998 47' Fountain Lightning that needs new STRINGERS???
  85. water in intake manifold
  86. 575sc blower
  87. Fuel line from duel feed holley
  88. Bravo 3 tilt limit switch
  89. Untra saudade
  90. HP500 Valve spring change....
  91. motors once again shutting off
  92. Props
  93. please help !
  94. dyno exhaust ??
  95. 525SC with crossover...how to route hoses what Tstat housing?
  96. Transmission on 1999 Merc Mag 350
  97. Spark Plug Recommendation
  98. 525 2 stage sea pump vs single stage ?
  99. 2003 Baja Brass boat plug and plate
  100. Lube point 502 Mag
  101. merc manual
  102. Anyone had issues with burrs in the lifter bores on GM Gen VI blocks?
  103. Engine flush kits...
  104. 1997 Falcon 2500 CD
  105. Mounting sea strainer
  106. Replacement of 502 mag mpi heads
  107. 454 mercuiser MPI thermostat
  108. Wiring/ rigging ? Breakers
  109. 502 mpi vortec adjustable fuel pressure regulator
  110. 525 EFI clone
  111. Shifter question
  112. Why this cam in a 420?
  113. 1998 22' scarab owners manual
  114. MSD vs. Mallory electronic
  115. exhaust tips with big turndown
  116. Bravo cut away needed
  117. 454 mag valve interference
  118. Gas shocks (struts)
  119. Heads port size
  120. differance between 365 and 420's
  121. Rebuild 575 SCI's and add closed cooling system
  122. Pin out sheet needed mefi 1 to mefi 4
  123. Information on 31' Aerotech with Twin 600Hp engines
  124. GPS Chartplotter
  125. Another dyno session today
  126. Wiring diagram needed
  127. smartcraft says: estop aserted what to do? 600sci
  128. formula vs. fountain
  129. 700 SC camshaft
  130. Yam outboards: 115 Vs 150
  131. 5.7GSi starts then stalls
  132. Prop Direction and Drive Direction
  133. 496 ho engine hp upgrades?
  134. Fuel Pump Pushrod
  135. merc 525 efi maint.?
  136. 502 Mag Mpi Fuel Pump
  137. looking for procharger guru's
  138. Thru transom cable sealant
  139. high end clever props, are they the biggest rip off ever?
  140. 496 MAG Elbows
  141. Lifter Valley Vents
  142. Gil exhaust question
  143. 525 header removal
  144. Help with serp. Belt 496
  145. Looking for some input on current situation
  146. vessel view on 1999 mag?
  147. Prop Direction
  148. Best flame arrestor
  149. Who made the pistons for Mercury racing in 03?
  150. wiring diagram 700 sci 14-pin connector?
  151. repowing with 1350's?
  152. Imco shorty's on Formula 292 SR-1
  153. HP 630 Lamborghini
  154. 496 MAG HO water issues
  155. XS Power Dry Headers ...Does anyone know what they are worth??
  156. Help Identifying HP500? modified internals and castings
  157. How do you get keepers to release
  158. 525SC upgrades Marine Kinetics Cam
  159. 91 502 MAG Valve Spring and Lifters
  160. Iimor ????
  161. Installing WB 02 in IMCO power flow elbow
  162. Blower on 25 Aggressor
  163. Mystery parts
  164. Oil Pan ?
  165. Cylinder head port sizes.
  166. Need cam help!
  167. Stainless Marine or CMI's
  168. educate me on Sea Strainers
  169. What are you using for lube?
  170. What to do or say.
  171. Y Pipe flappers
  172. would I be wasting my money putting emi thunders on a stock 502?
  173. Oil Pressure and Temp senders location on 502 Mag MPI
  174. 350 mag mpi starts hard warm
  175. Fountain on ebay
  176. leaking header
  177. Roots Blower fuel distribution
  178. ez dock parts
  179. Help me out here
  180. seeking trailer tire advice
  181. oil Pre-lube pump and check valve?
  182. M1 pro charger "ecu tuning"?????????????
  183. 32 Fountain WAS in salt water
  184. TRIM MASTER PUMP Q's.
  185. 502 carb motor ???
  186. powder coating out drives?
  187. bravo 1 upper and lower gear cases?
  188. Can anyone help me identify the gear ratio on this bravo drive based on the serial #?
  189. is this damage or a factory hole on my bravo nose?
  190. Broken stud in EMI Thunder manifold / header??
  191. best foam
  192. Quadrajet limitations?
  193. 502 mag fuel pressure
  194. Simple audio question
  195. Who made this steering column?
  196. New Season Boating Prayer
  197. How do you adjust the tension on a Zero Effort Throttle Control
  198. Is this a go fast hull or am I dreaming?
  199. Cam suggestions for 383 build
  200. Hook in 24 Outlaw
  201. Is it worth it to upgrade intake manifold and carb?
  202. filling bad stringers with "Nidabond"?
  203. Prop Change??
  204. Pro charger and carb Info
  205. Kiekhaefer Aeromarine Hydraulic Steering System Installation Instructions
  206. trusted mechanic ft myers port charlotte
  207. 454 water issues, water in #5 #7 and oil, cant locate source
  208. What gen motors are 525s?
  209. Selecting a manifold for AFR 265's - single versus dual plane - thoughts anyone?
  210. 2001 merc 575 sc questions
  211. 92 or 102mm Throttle Body on 521ci stroked 496 Merc with Raylar Cool Cap intake
  212. Stainless Marine Headers 496 HO
  213. Rotten Stringers
  214. 1988 TRS inner transom plate removal
  215. Blue Fuel Line
  216. labbed prop
  217. Merc 496 Mag Water Leak - Help
  218. Cigarette 20 - Exterior Hardware Update - Bow/Stern Lift Rings Replacement
  219. Power valve in holley.
  220. Vessel view codes?
  221. Where to buy Stainless Mirror for engine hatch??
  222. JR Marine swivel pin & U Bolt HP transom assembly
  223. Strainer for my application
  224. Has anyone put a boarding ladder on a 27 Fountain?
  225. lowrance hds7 on 03 baja 496ho connections
  226. Burned rubber on Stainless riser...
  227. harmonic balancers
  228. Checking for rot and other possible issues. 98 Baja 232
  229. Reverso GP-3010 Series Oil Change System -- any good??
  230. Bow tie block vs ZZ 502
  231. Attn Indy racer
  232. Full hydraulic steering VS. Add on kit What's the difference?
  233. Remove gas from rub rail?
  234. Flipped my first Cigarette.............Beware Its Graphic
  235. Removing fuel rail/injectors on 496 MAG
  236. Looking for a 30foot plus sit down
  237. Gas Tank check valve
  238. Fuel Pumps
  239. Fuel injector o- rings etc.. Kits? 454 mag MPI's
  240. Anodized Diamond Plate in colors????
  241. HP500EFI fuel reg questions
  242. Carbed 502 Mag Rebuild Questions
  243. 525EFI Oil Drain hose question..
  244. need help identifying cooling hoses
  245. Electric Fuel pump Q?
  246. Reversion.... am I ok?
  247. Gimble ring repair
  248. 525 efi part conversion
  249. Rex Marine Exhaust
  250. What size tool to remove fuel rail on 454 mag MPI
  251. guidance needed on an efi swap please
  252. Thermostat or no thermostat 502
  253. Drive height 89 Panther
  254. Motorized Battery Switches
  255. Bravo Transom Drill Plate
  256. Drive hight
  257. Opinions on build
  258. How do I fire HP500EFI outside the boat?
  259. Has anyone tried a RPM Air Gap on an otherwise stock HP500
  260. Correct carb for 350 small block...650CFM??
  261. Marine gauges
  262. Cigarette Sea Strainer Gasket
  263. incomplete - Sea Strainers
  264. R Tech Intercoolers, Anybody know how to contact them?
  265. Odd knocking sound on 500EFI XR setup
  266. What to do?
  267. Valve springs 1989 425?
  268. Looking at 1998 Sunsation Aggressor - Questions..
  269. Hinge pin threads stripped
  270. cam for 500efi
  271. Anyone need 41-983 plugs for a 496?
  272. Best upper gimble steering pin?
  273. 502 blocks
  274. builder question?
  275. Distrubitur Question
  276. Hammond Challenger
  277. Oil coolers what size and a few other ?
  278. Low frequency vibration...
  279. lightning headers in a bravo drive 24-7
  280. Hydraulic Steering helm?
  281. Alpha to bravo
  282. Big Chief Exhaust Manifold
  283. Found these interesting..
  284. Has anybody run the Crower offset trunion rockers with longer than stock valves?
  285. Merc 350 engine knock..help!
  286. Dual Ram Hydraulic Steering
  287. alterator on 454 mag help
  288. boat magazines ?
  289. Can anyone help me find the year of my motor?
  290. 525 efi parts
  291. Need a little cam help for small blocks
  292. Jetting with a Blower
  293. What valve covers to clear stud girdle and lightning headers
  294. Stock 500efi/ whipple upgraded map
  295. Cigarette 20 Interior Upgrade with Cigarette Emblem
  296. What is the cam number on a 525 Efi cam?
  297. Cam shaft numbers
  298. ID CAT 3208t no numbers
  299. Anybody using these oil thermostat block adapters?
  300. Blue Anodized pulley 500EFI
  301. Looking for silicone exhaust hose
  302. Need new power steering pump?
  303. Electric Fuel Pump Question
  304. Boat loads difficult on trailer
  305. Temps and Tach
  306. Starter hung up
  307. Whipple Upgrade kits
  308. Opinions on tall deck intake spacers
  309. Dart heads on Mercruiser 8.1
  310. Wiring harness for mercury 525?
  311. 600sc drive ratio vs boost
  312. spinning engine over before firing with the key
  313. HP500 Carbed, RPM, Cam Question
  314. Mechanical drive indicator help...
  315. 500 hp efi nameplate placard
  316. pn for 1997 502 mag MPI's fuel pressure regulator
  317. 502 wiring harness swap!
  318. Race Hatches Latches/Handle assy
  319. Bravo coupler life expectancy?
  320. Reading engine hours that's not in boat
  321. race hull /pleasure sport hull
  322. Can you indentify this cam?
  323. 600SCI Rebuild
  324. How do I convert a Chevy 502 ht into marine application
  325. gear drives
  326. single smart craft gauge?
  327. Braze or Weld Oil Pickup
  328. Max power to TRS drives
  329. Class action lawsuit ( mercruiser) vapor-lock issues.
  330. 525 exhaust spring specs?
  331. Post your engine pics!
  332. K & N Flame Arrestor For HP 500 Carbed
  333. Larger Blowers for 525sc's
  334. 525SC Carb'd vs 500EFI
  335. What thermostat should I run?
  336. Diacom marine or Techmate
  337. want reliable hp out of a 496
  338. IMCO or Sportsmaster Lower?
  339. Question on Raw Water Cooling Routing with Dry Exhaust ?
  340. 525's valve srping Q.
  341. Scatt 9000 crank BB chev
  342. Need help with choosing cam
  343. Flappers in my offshore exhaust tips
  344. Gen VI 496 builds - Stock oil cooler adequate?
  345. 500 efi exhaust
  346. captains call harness
  347. Hitting anything submerged
  348. Mirror sheets for engine hatch
  349. 1996 29' scarab
  350. Top mount starter bell housing for bravo 1
  351. Starter Circuit testing - No action!
  352. Standard Bravo 3 showing wear
  353. Raw Deal Engine rebuild No warranty I Know I'm not Alone Opinions Please
  354. Hydraulic roller profiles?
  355. Question on Pulling my engine
  356. Engine builder
  357. Question about and problem with beehive valve spring retainers
  358. Pink Mold
  359. Hp500 rusted exhaust seats. Need advice!
  360. How much power can you put to a gen v 502 ho block.
  361. Nisonger SuperChargers
  362. Anyone running GGB inserts?
  363. Trim tabs
  364. Looking to go with Gibson 4.5 clamp on bullet mufflers, opinions, videos?
  365. ILMOR and INDY Drive Package
  366. Questions about Sea Strainer and Outdrive Shower
  367. 93 powerquest want to get to 70mph I'm at 64 now. Need advice
  368. Boat never got wet this summer - need advice !
  369. Lets talk distributers
  370. Fuel pump vent system question
  371. Reliable Mods On 502 MAGs?
  372. 502 cylinder heads Quick question?? PLease help
  373. Injector cleaning service southeast mich
  374. Little help needed
  375. Any Disadvantages of Solid Roller lifters?
  376. engine oil
  377. Fuel Cap Chain
  378. Brochure for 20 Foot Cigarette
  379. Break in procedure for new 502???
  380. Stainless bolts thru aluminum
  381. HP500EFI Injectors?
  382. 575 SCI throttle bodies?
  383. 500 EFI Head Question
  384. Sheet Metal intake?
  385. Rattling knocking noise coming from Bravo at full turn
  386. Rack and Pinion vs Rotary Steering
  387. Best vinyl conditioner/protectant?
  388. Looking for infos to convert an 8.2 MAG to HO Version!!
  389. Engine paint question.
  390. Mercruiser 383 and Alpha one?
  391. Best exhaust for 525sc's
  392. welding shop in so. wisconsin
  393. 509" cam
  394. 1996 7.4 liter belt replacement
  395. I want a crossover but should I have closed cooling?
  396. MSD 6M-2 rev limiting?
  397. Merc 525 EFI power upgrades
  398. Upholstry shop recommendations near Hartford ct
  399. 454mpi VI duel in boss 302 putting up have ??????
  400. D... blue drain plugs
  401. Isotta Aria steering wheel..
  402. Combo oil/powersteering coolers
  403. Fuel cooler. Anyone using them?
  404. Ditching the power steering cooler
  405. How big is this oil pan
  406. Stallion Powerboats? Whaaaat?
  407. Closed cooling question? Use 1or 2 water feeds???
  408. Reversion, Reversion Reversion
  409. Question on CMI captains choice exhaust
  410. do most of you run chokes on your carbs?
  411. 496 Manifolds VS 7.4 Manifolds dimensions?
  412. Performance of 496 manifolds over 454 manifolds
  413. Gen 4 454 question
  414. Mercury Optimax '05 150?
  415. Restoration
  416. 525 SC's
  417. water crossovers pros cons
  418. Brochure for 20 foot Cigarette Performance Boat
  419. I.D. this rod
  420. Why 557? What is the big deal?
  421. 2000 47 Lightning - Is staggered 600sci motors feasible vs. trip 525efi? Top speed?
  422. T-Stat housing check balls
  423. NEW 502 blocks
  424. Gen 5 parts into a gen6 block
  425. Crank Driven Water Pump vs Belt Driven Water Pump
  426. converting from alpha to bravo, bravo questions.
  427. 2000 353 formula with 250 blowers
  428. Oberg oil filters
  429. which 502 do I have? it sure would be easy if a parts vendor added a search engine!
  430. pair 500 efis not fireing on no.3 cylinder
  431. How close??
  432. Moly vs Gapless top rings
  433. which book do you recomend for servicing big block mercs?
  434. Issues with reversion with this cam and exhaust setup?
  435. Another 7.4l 330 hp mod question
  436. Free To A Good Home
  437. Coating tabs options?
  438. Loudest aftermarket manifolds/headers?
  439. Does anyone use this style of muffler anymore?
  440. Gen 4 heads on a Gen5
  441. Electronics Category Under Technical ?
  442. dry sump conversion
  443. 2005 Baja SST
  444. tubed or manifold for blower motor does it make a difference?
  445. how to ad profile picture
  446. What hydraulic roller cam to use in place of this solid roller cam in my 598's?
  447. how much boost???
  448. Carter Carb "Welsh" Plugs
  449. Challenge: Which boat/model is this?
  450. General opinion carb manifold
  451. Reinstalling headers on a Merc 700
  452. Rust specs in exhaust ports? Is this normal? CMI's done?
  453. Any Com guys on the east coast?
  454. What would be the best ignition modules ??? Info on them???
  455. Water for intercooler
  456. Seawater/fuel pump leaking AND water in exhaust in new build?
  457. Inconel exhaust valves in 500 EFI engines?
  458. Gen 6 454 build in Formula 242ls
  459. Ditching VST for Aeromotive fuel pumps help.
  460. How much fuel pressure for 502 withDemon 850?
  461. Bravo transom seal dry or 4200?
  462. Trim Tab Speed
  463. Need a square hub adapter for steering wheel
  464. CMI etops and tail pipe question
  465. Where do you get a gas tank vent cap?
  466. 174 blower on a 454??
  467. Scarab 29 engine vent
  468. Transom lift hooks
  469. super charging a 502 efi.... where to start
  470. 850/900 hp
  471. Cam? Teague stage 2 = Crane 741 ??
  472. Looking for mefi 4b with wiring harness for 8.1
  473. Valve Covers..
  474. Tall deck to short deck?
  475. hydraulic steering helm
  476. Distributor collar needed??
  477. 8.2 MAG HO ECT exhaust manifold paint flaking
  478. Swap 496 Mag HO to 502 Mag HO
  479. 305 SBC upgrades
  480. engine swap 496 ho to 525s
  481. What to expect from blueprinted bottom
  482. How much total timing for Aluminum head 509??
  483. Help with wiring
  484. Looking to add headrests on my sunpad..
  485. Only about 2-3 cups??
  486. Mx 6.2 mpi
  487. 502 heads
  488. Educate me on proper sealants
  489. fuel injection
  490. Fountain 10 Meter Blown 454's TRS drives? Any input
  491. Seawater/fuel pump mounting bracket for V-belt?
  492. Mercruiser Engine Component Coatings
  493. Vinyl coating?
  494. GPS receivers. ?
  495. Starting problem on stock Mercruiser MPI
  496. Mcleod bolster seat ram bent, not working right.
  497. Cleaning fuel tanks and installing fuel filter
  498. Looking at a 35 cigarette cafe ..... Any out there and some advise
  499. formula 292
  500. 377 cu in Scorpion Specs?