View Full Version : General Q & A




  1. Sudden loss of power - 496 Mercruiser 375 hp with Bravo 3 question
  2. 502 MPI Coolant Leak Mystery??
  3. Non-Toxic antifreeze says "not recommended for boats"..?
  4. Mid cabin ?
  5. DART Pro 1 Head ?????
  6. Shorty Drives, how do you know what height for max speed??
  7. Mobil 1 Oil 15 - 40 wt
  8. 525 EFI Headers
  9. Howards Cams Lifters?
  10. 502 upgrade, anyone got a good setup?
  11. Rebuild Gen IV 502 or reman Gen VI 502
  12. 502 mag whistle
  13. Merc fuel pump replacement
  14. Carrie Covers
  15. Shurhold polisher
  16. Engine tick/knock? Please help!!!
  17. head gasket
  18. Balancing pistons? How much is too much?
  19. Formula 223 couch
  20. duo prop wont go in gear
  21. HP Gains VS. RPM gains
  22. 525 data download
  23. 496 pump flush
  24. Formula 242 bolster question
  25. In line engines
  26. Optimum Static Compression Ratio-HP 500/Pro 1
  27. Weiand 177 Height
  28. 502 Mag Rebuild or New 502 ???
  29. Mobil1 5w-30
  30. Best way to go... 575 to 650 HP?
  31. Stock 502 Oil Cooler/line question
  32. Question???
  33. Powder, paint, anodize or billet?
  34. Mercruiser 6.2 320hp or Scorpion 6.2 340hp??
  35. 496 EFI to carb
  36. 502 mpi cfm rating
  37. Winterizing with a XR Drive
  38. EFI fuel problem
  39. HP 500 PVC & Lifter Valley Pan
  40. 7.4 Mercruiser To Much Fuel Rail Pressure
  41. Stock horse power of 454 and 502 mags???
  42. Wanted Bracket For Remote Oil Thermo Filter
  43. Vinyl repair
  44. Gibson silencers... reversion?
  45. Fogging a fuel injected engine 350 Mag MPI
  46. 575sci reliability?
  47. ANYONE HAVE A HYDROMOTIVE 4 BALDE 24p RH PROP TO SELL
  48. harmonics/ offshore plate/ oil cooler
  49. Making a Dry Exhaust System
  50. Why is my distirbutor buzzing
  51. 500hp efi/whipple
  52. XR Decals and Dip stick
  53. Help me pick out the best deep cycle battery
  54. 42 twin step Fountain hook
  55. intercooler water pickups
  56. Hose Part Number
  57. O2 Sensor spacer plates???
  58. Leak from around TRS housing into boat.
  59. 500hp Valve Spring/Crane PN?
  60. Excessive Fuel Pressure
  61. 496ho headers
  62. 350 Mag MPI upgrade
  63. intakes
  64. Thoughts on Tunnel Ram?? Input?
  65. switching to new style thermostat
  66. Manifold pressur
  67. 454 Mag MPI with Low Oil PSI
  68. Scarab III running 3000 rpm max?
  69. Is a 1995 7.4L Mag a hyd roller or flatt tappet?
  70. How Do I Contact Stellings????
  71. For you engine builders
  72. steering wheel
  73. Engine accessories
  74. Bravo / 454 water feed
  75. lookin for ss thermostat housing
  76. Rocker Adjustment?
  77. Whats The Difference
  78. EPA approves 15% Ethanol
  79. Intercooler Plumbing
  80. 502 MPI Q - Sensors
  81. Missing outdrive
  82. regular air filter instead of flame arrestors?
  83. 509 made it to the dyno, concerned w/flame arrestor
  84. 496 Ho Problems Again
  85. Stellings power
  86. trim cylinder hydrolic line
  87. Aluminum Blocks?
  88. what would this checkmate be worth
  89. cam/exhaust.reversion
  90. What engine is this?!?
  91. all you 496 guy,s
  92. Eliminator 28 daytona..what prop size?
  93. Gimbal replacement, XR, HP or IMCO?
  94. Going to the DYNO
  95. looking for a littel more power
  96. DIstributor gears
  97. Rough costs of an Imco full hyd kit installed?
  98. Starters from JEGS or Summit
  99. Rubber gaskets for through hull exhaust
  100. sbc race engine mount
  101. What is the Stock Oil cooler size on a Gen 5 502 MPI?
  102. Honest boat mechanic near Wichita Fall Tx.
  103. Q-Jet question
  104. 454 Mag MPI Rebuild - HP estimates?
  105. 500 Hp Cam Wanted
  106. shifting problem update! FIXED!
  107. water pressure
  108. 454 mag oil amount
  109. Merc Magnums won't rev past 3500
  110. Fitch Fuel Catalysts ,anyone use there products?
  111. OIL pans
  112. 496 starter
  113. fuel pessure at wot?
  114. Best big motor starter?
  115. Best Carb intake
  116. 525 Intake Sensor
  117. 98 502 cam card spec
  118. Downturn Pipes
  119. Mercrusier 454/330
  120. Thermostat Housing
  121. Repower project questions
  122. 454 (330hp) winter upgrades
  123. cummins 5.9 diesel
  124. trim tabs
  125. external steering hose
  126. Steering broke, though me out @ 80 MPH, gimbal broke or did I hit??
  127. Winterization.... some questions....
  128. Need Mach prop thrust washer for Bravo
  129. looking at a boat that needs rigging
  130. 5-Bladed Prop?
  131. marine surveyer
  132. Good Speed Sensor - Pulse Style
  133. Marine Machine still make this cylinder?
  134. 496 mag HOs,run better with mufflers?
  135. Question about ignition module
  136. 50 Amp Engine Circuit Breaker
  137. whats next
  138. H.P. of an EFI500
  139. Tail Pipe internal flapper identification needed
  140. 502MPI side mount Whipple manual
  141. Anyone have a contact # for Ed Cozzi in Fla??
  142. 454 Magnum, Cam, Intake, Carb.
  143. need advice...
  144. winterize or bilge heater
  145. Hard Starting Problem
  146. Bravo1 prop, what pitch really?
  147. Quest For More Mph
  148. Shore power and winterization
  149. Gimble Bearning for Bravo
  150. 496ho oil pressure dropped
  151. Building 598 CI Supercharge what holley carburetor? 1150 dominator or 1050 holley
  152. 350 mag drain plugs
  153. volvo fuel injection
  154. question about buying a boat
  155. battery left en boat
  156. Swim Plat Form
  157. Boat Lift?
  158. fuel burn per hour
  159. Rpm's shooting up and not plaining off??
  160. Best high performance heads & cam for Volvo Penta 502?
  161. I need a High Pressure fuel pump from Vapor Seperator Tank.
  162. Gil exhaust manifolds
  163. Carb to Fuel Injection
  164. Vortech heads
  165. 37 ft active thunder catamaran
  166. 496 volvo penta engine - $1500
  167. How do you run two GPS speedos ??
  168. 502 circulating pump
  169. What heads?
  170. Whipple 500 efi HELP
  171. 502 blocks
  172. 1996 7.4 efi mpi surges after warm up
  173. Best bang for the buck upgrade 99HP500..??
  174. Need some ideas on porposing
  175. Marine Head
  176. #3 prop locks
  177. Anyone have an Indmar 6.0?
  178. .060 4 bolt main
  179. nitrous HP performance
  180. 502 MAG EFI/MP vs 502 MAG EFI
  181. cast iron manifolds on alum heads???
  182. Diagnostics on Merc Racing 377 Scorpions
  183. Whats the best oil pump?
  184. 525 Headers
  185. oil filter lines crossed
  186. Mercruiser 5.0 V8 Alternator Question
  187. odd coincidence
  188. Milk In Oil, Help?
  189. 525 sc blower oil type?
  190. whats it worth 502
  191. looking for the best price on marine machine steering system
  192. 1993 formula steering
  193. Fountian needs help
  194. Windline SM-3XG Stainless Ladder.
  195. Expirience with Hardin Marine Cyclone headers
  196. Is this cam any good?
  197. Engine ident
  198. Switching to Dry Exhaust.
  199. Merc 400HP 383 Stroker Scorpion ???
  200. Boating magazines??
  201. Can someone ID this hose?
  202. Merc 575 SCI Increased Boost
  203. 86 velvet drive leaking from breather valve
  204. K plane trim tab pump
  205. need help on boat information
  206. 496 HO Oil Temperature
  207. Engine Stalls Whn Throttling in Reverse
  208. Recomendations on new steering
  209. Need some help on which prop to run?
  210. 496 ho at low speed cuts out all of sudden beeps then fine??
  211. K plane ?
  212. More HP or Torque
  213. manifolds
  214. truck from S. Florida to Indianapolis and N.J.
  215. 496HO Mayday: Low fuel pressure, poor idle, surging, low WOT RPM, IAC Hiss
  216. 496 mag backfire help
  217. Who can do dash/guage panels
  218. highest drive height I can go with?? #4's on boxes
  219. Raylar 550
  220. Wind deflector parts!
  221. Rebuild or Part out?
  222. advice
  223. 240 sport parts
  224. 406 sbc blower motor
  225. 502 Vs 525
  226. installing new gas tank
  227. new gas tanks
  228. Run without thermostat?
  229. Tilted Engine/Clearance
  230. Compression Ratio
  231. mercury 225 efi
  232. MSD vs Merc plug wires with knock sensor??
  233. Top Mount Stater Guys
  234. Repower 38'Fountain
  235. Setting timing on a 575sci
  236. Livorsi GPS Antenna "Yellowing"....
  237. Looking for Larry Michael Nixon
  238. 496 HO - hours above 4000 rpm
  239. Can anyone identify this part?
  240. Need Help With Dne Transmissions
  241. zz502 in a 24-7
  242. 89 OMC 350 King Cobra engine?
  243. Merc 525SC Specs
  244. thunderbolt ,alternative,,help
  245. Huber 1450 Trans ?
  246. Carter Fuel Pump- sort of died
  247. Trim pumps not raising drives
  248. Pro charged 502 water temp
  249. Thermostat?
  250. time to rebuild
  251. 454 MAG Correct Operating Temperature
  252. How good are these heads
  253. 1987 Baja 240 Sport with 454 Mag
  254. Draining/Pumping out fuel
  255. Freshen up 525 EFI
  256. 454 Mercruiser budget build help
  257. K&N Flame arrestor 502 MPI
  258. 350 mag running poorly - 1988 Nova 3
  259. Enderle or Hilborn Mechanical Fuel Injection Questions
  260. Rebuilding a Glastron/Carlson CSS-19 and need recommendations
  261. roller rockers on vortec heads
  262. Nail polish on vinyl?
  263. elec fuel pump for VST's (where?)
  264. 575SCi injectors (rare) and + HP pulleys FS
  265. Pulley Needed
  266. BB Chevy Heads
  267. Impellers twice
  268. drive question
  269. Pcm 555 connector plugs on 496ho
  270. winter storage ......gas question......
  271. Rod and Main Bearings for my 575sci
  272. valve sizes
  273. need help with a porta potty question
  274. Enough air?
  275. 500 EFI thermostat replacement
  276. Holly EFI?
  277. High Oil Pressure on the gauge
  278. 305 0r 350
  279. Procharge a 502 mag
  280. Gen 6 P.S. pump
  281. motors or drives ?
  282. Question about 500EFI Temps.
  283. 454 efi bogs down and dies...............
  284. Help on a 33' IMP Viper
  285. Air intakes
  286. MEFI 1 interface 10-pin cable
  287. Power steering pump ?
  288. I boats.com Mooring Covers
  289. Props spinning in or out?
  290. 454 bogs down and dies......help!!!......
  291. BBC help needed
  292. HP500 cam???
  293. Looking for another 500 rpms!
  294. oil gauge temp
  295. Motor Squeal
  296. TRS problems, Motor is to low?
  297. Looking for an owners manual........
  298. Merc Silent Choice part question.
  299. cream in valve cover.
  300. Help please with a 525
  301. 502 MPIs, A Long Story Getting Longer
  302. Supercharging ?
  303. loosing drive fluid in bilge ??
  304. multiple misfires tried everything ,someone help!
  305. need performance marketing expertise for boat sale
  306. code 44
  307. engine shuts down
  308. Trim and depth gauge help needed.
  309. lifter problems
  310. Fuel pump not turning on (496HO)
  311. Alarm on Startup
  312. Random dropped cylinder?? HELP
  313. Trim switch trouble
  314. 502 Blues
  315. 496ho Blew Its Cookies
  316. Upholstery cleaner
  317. Reversion ???
  318. Need expert help on 2003 496 Mag
  319. Salt A Away
  320. Coupler Info On Replacement
  321. Both engines loading up
  322. Half of engine running hott!
  323. Electrical guru's...help a newbie will ya? 1995 Cig TG bow light
  324. Why can't I get top speed from my boat?
  325. Baja 232 trim tabs
  326. Cmi Exhaust Headers
  327. 1/2 off gearwrench products
  328. Vacuum gauge vs oil puked in beilge
  329. Wanted Merc 525SC service manual
  330. Ignition box w/pics?
  331. Can't trim up but trailer works?
  332. Procharged 555...
  333. 525SC and spark plugs
  334. 496 Owners Base or HO Please Help me
  335. Lingenfelter Performance Engineering
  336. gen V 502 mag ?
  337. Moisture in transom
  338. Ok, so I crashed my Bravo XZ upper....Can I use a regular Bravo 1 until I fix it?
  339. How Important is Prop Pitch?
  340. Rebuild or new
  341. What would make Carb overflow when hot?
  342. Breather question on 454map mpi
  343. Engine problem/ ALARM
  344. Need Paint Code for Merc Blue
  345. Questions about fuel pumps ?
  346. Merc 2.5. Why are they better?
  347. Best way to check stringers while engine is out?
  348. 280 k-planes on a 24 outlaw
  349. cam choices
  350. Looking at 27FT fever with a procharger
  351. Am I propped wrong??
  352. What causes my dip stick to pop out????
  353. Inward vs. Outward turning props?
  354. timing on a procharged engine
  355. pro charger pfm super prom
  356. Anyone running dual hatch actuators?
  357. 496ho electronic throttle & shift problem
  358. starboard engine alarm
  359. Bravo lower unit oil filling problem, minimum oil to use safe?
  360. This section just for mechanical? How about marketing?
  361. 26' Scarab excel troubles...........
  362. 454 mag mpi losing power after 30 mins of cruising
  363. Hull Widening ??? .. Why And How ?
  364. Is this from Ethenol or.......
  365. How quick can a MSD blue box die?
  366. Taking up Slack in throttle
  367. 350 Mag fuel system questions
  368. Corsa parts
  369. What size injectors 502MPI?
  370. Timing on a 540ci N/A
  371. Very odd can a thermostat stop circulation on one side of the engine
  372. Looking at a 1991 24' switzer
  373. Mystery Bravo Oil Leak
  374. Engine Oil Temperature-496 HO
  375. Fouled plug ?'s
  376. lifter help
  377. SCX prop slip
  378. Oil PLug Size for 575sci
  379. where do i buy an elec. fuel pump for VST
  380. Rubber rub rail question.
  381. Sombrella
  382. Temp Spike
  383. Drain Plug Oil Hose Kits
  384. TB IV Problems
  385. Side Mount Whipple Chargers?
  386. Intake Gasket+ Manifold Leak, picture
  387. heres the update. 502 mpi fuel pressure readings
  388. Who sells the valve covers with the spring oilers??
  389. Trim
  390. Can a lightning header clog?
  391. Machine or engine shop near Cincinnati Ohio
  392. Mercruiser 6.2L Cooling Hose Swelling?
  393. Anyone try these bolt on coolers?
  394. OMC King Cobra nose cones
  395. U Joint Failure
  396. CMI Issues on 525's or 700's
  397. 496 HO miss?
  398. Ground issue?
  399. exhaust flapper
  400. best performance lower unit oil? bravo drive
  401. Bolster seat handles
  402. 42 lighting vs executioner
  403. 3 blade vs 4 blade prop
  404. MIFI-3 replacement help
  405. a/c opinions dometic or mermaid
  406. L29 Vortec heads
  407. stopping drive corrosion?
  408. Merc 340 Tune up
  409. Need a part...
  410. PCM555 alarm
  411. Stainless Marine Gen III 5" tailpipe fitting specs pls?
  412. HP guestimate
  413. taipipe builders
  414. Best Marine Speakers
  415. Engine Alarm
  416. Dry vs wet exhaust....??
  417. Difference between 454 and 502
  418. What is the Best Wax
  419. prototype custom boats???
  420. Merc 496 heat exchanger maintenance
  421. Aluminum heads on a 525 SC motor
  422. down on power and rpms 454mpi...
  423. Bye Bye Blowers
  424. oil
  425. Whipple on 260 SunDeck w/6.2/BravoIII
  426. gauges
  427. Benefits of a tall deck BBC vs. reg deck BBC ??
  428. 2008 700 sci dying out
  429. Water Temp Readings? Oil cooler help.
  430. milky oil question with synthetic
  431. 26 legend pq ?s
  432. 26 legend pq ?s
  433. Bezel - SM Heads Up Indicator???
  434. 7.4mpi real rich at idle help
  435. Tachometer issue
  436. Scarab ignition issue
  437. Corsa leaks
  438. looking for opinions on problem. is it fuel, electrical..?
  439. 502 MPI starting
  440. 110s K-Planes: Who's running them with indicators?
  441. What is the best spark plugs for 1999 HP500 Carb
  442. Prop, carb, rpm questions..
  443. Trim Problems / Drive Caps?
  444. best prices on pistons?
  445. 454 over heating....................
  446. Checking oil, interesting phenomenon
  447. Help... sea water pump took a crap
  448. Ignition Problem need help
  449. over heating
  450. Smartcraft SC1000 <-> 496HO and Bravo XR
  451. 575sci ate a cam lobe....
  452. Water pump hoses backwards???
  453. Water pressure on hose before engine ???
  454. a/c question
  455. Looking for a 575sci spark plug wire set
  456. wierd 496 ho problem.
  457. Having trouble with the classifieds
  458. Whipple noise?
  459. Possible water pump issue?
  460. gen 6 timing chain cover
  461. Couple questions...Transmissions, Props
  462. 496 HO spit belt and puked oil issues!!
  463. Setting Base Timing to 8 degrees, or 9 degrees......
  464. Mph
  465. Wake Jumping pics
  466. Oil?
  467. Teague motors
  468. exhaust condensation
  469. Tilt/Trim trouble
  470. tbs 250ci blower marine
  471. Center of Gravity - explain this?
  472. Engine Stalls when throttling in reverse
  473. Insta-Trim Indicator issue...
  474. Converting from Ammeter to Voltmeter
  475. Trigger coil & Coil symptoms?
  476. HELP with oil pan and oil level!
  477. Airpax Switch boots. Help Please!!
  478. Remote mercruiser oil filter mounting
  479. Marvel Mystery Oil
  480. Silent Choice Problems
  481. Vapor Lock - More Help Please - Not sure what to do now...
  482. Best prop tilt and trim tabs
  483. High torque mini starter
  484. Help - 383 MPI Mercruiser
  485. Nose cone on slow boat??
  486. gps jumping all over
  487. Hesitation problem under load 454 Magnum, I need some idea's
  488. Remote pick-up bilge pump
  489. Felpro gaskets
  490. A little bit of moisture under Oil filler cap common?
  491. Power steering aireating and blowing out of cap
  492. Livorsi water pressure gauge....
  493. '86 CC 210 Scorpion Cuddy questions
  494. Mercruiser--TRS combo. . .Water/Oil in bilge ???
  495. Powerquest?
  496. Question re: version of 454
  497. 502/540ci stroker expert help pls!
  498. bravo shop
  499. 454 MPI limiting to 4100rpm lost 8 mph too!
  500. A/C Expert