View Full Version : General Q & A




  1. What do you guys put in the gas tank to keep the fuel from gunking up?
  2. Gen V dipstick
  3. Performance Distributors
  4. Latham Drive Shower
  5. 502 mag mpi questions
  6. HP 500 Clone What water temp?
  7. cigarette topgun drive hight
  8. Sea strainers with blower motors
  9. 454 engine modifications
  10. #6 wet sump LH lower gears
  11. Please, I Need Help 454 Mag Identification
  12. Need and Engine Expert
  13. anyone make a mpi for use with a whipple charger
  14. Need Props cleaned
  15. Pros & Cons bunk slides or carpet .....
  16. what rpms should i run??? 540ci NA.....
  17. Smartcraft MercMonitor Questions
  18. Oil Cooler Lines?
  19. Hp500 clone with 3-4lbs non intercooled boost , want to keep it under 600hp?
  20. 502 EFI setup whats it worth ?
  21. CMI Repairs by Ken K?
  22. noobster
  23. Trim Tab Help
  24. Bottom Paint Removal
  25. "Tractor" style headers -
  26. Battery chargers
  27. Harmonic Balancers
  28. What fuel pump for a GenV
  29. 26 sonic vs 25 active thunder
  30. How much is my Whipple 496 ho worth??
  31. BOAT wont start
  32. hp500 gen 5 or gen 6 block
  33. Kenwood & Alpine Marine Audio
  34. revolution performance marine
  35. New Intercoolers for big power
  36. Exhaust
  37. tall deck vs. short deck exhaust holes in transom
  38. 525 EFI Valve Springs
  39. XR Damage
  40. Can you ID this exhaust and offer your opinion??
  41. Labor Cost on Changing Valve Springs
  42. MSD Box ?'s Anyone running a Digital-6???
  43. What is you RPM at WOT on a SBC?
  44. Question about Holley rebuild kits
  45. pad
  46. 200 amp alternator for 496??
  47. Whipple or Procharge
  48. 496 (stroked)
  49. Max CI for a 502 Dart Block
  50. Water Pressure Relief Needed?
  51. 496 Gm 8.1
  52. Flywheel for SBC and Mercruiser Alpha One Gen 2
  53. Couplers - how to distinguish Sierra from Merc ?
  54. Mercruiser won't idle
  55. Blower belt adjustment.
  56. weight difference 454 &540
  57. Bilge heaters
  58. whipple trade in/upgrade?
  59. recessed cleats
  60. Crane 13532-16 lifters in Gen 6 blocks
  61. Does anyone repair Gil pipes?
  62. Box anchor issue or not??
  63. bravo assemblies..HD? HP? Standard??
  64. Top Speed for a 22' Daytona, or DCB Mach or other Tunnel?
  65. Need new trim tab pumps!
  66. jl vs. alpine 7" speakers
  67. rebuilding msd distributors
  68. EdleBroc Perfomer 2
  69. silent choice
  70. Blower
  71. Ventilation tube on a bravo III
  72. 502 valve springs
  73. 502's or 540's
  74. 454(330hp) 049 heads w/ bigger valves...clearance issues?
  75. Gaffrig Gauge Repairs
  76. ATI balancer
  77. Short block assembly questions...
  78. audio experts please help
  79. Which jackplate for 30 Spectre?
  80. 27PC Water Tank
  81. ? 454 ??Year? MOdel?
  82. To finish jetting or not????
  83. how much mechanical advance are you guys running??
  84. 525efi water temp and pressure
  85. Split Tube Dry Tails Help!
  86. cutler EFI operation manual
  87. CMI e top headers
  88. 540 Bbc
  89. installing e-tops
  90. 525 headers
  91. knocking noise
  92. Two Stage pump plumbling ?'s
  93. 502 head gaskets
  94. looking for westerbeke generator parts???
  95. Blocked Steam Hole?????
  96. Drive height questions with pictures
  97. Need to know the diff/??
  98. Extension Box and Shortie on a 26 Scarab???
  99. fram fuel filter for 525
  100. Exhuasting
  101. 525 headers and exhaust
  102. Bravo X1 Drive Erratic Trim Operation
  103. top end or complete rebuild, Analise oil?
  104. Pictures
  105. Holley help
  106. Can i use after market INJECTORS on 96 7.4 mpi efi motor
  107. Iron or moly rings?
  108. Installing Stainless Steel Rubrail
  109. fuel lines-what to use?? legal?
  110. Anyone have Keith Eickert cast headers?
  111. Merc 600SCi, Noise reduction
  112. What carbs to buy
  113. Sea Pump?
  114. Merctrans
  115. Ladder For Sunsation Aggresor
  116. New Motor, Low comp on #4, now its back up
  117. TBI on a 250
  118. Up Trim Not Working from throttle control
  119. Sterling motors
  120. Driveway Material
  121. Header welding in Michigan?
  122. Flywheel help
  123. 454 to Gen VI 502 swap What's involved?
  124. New carb
  125. HP500 carb upgrade
  126. siesta keys fl
  127. B&M 250 SBC intake
  128. 188 heads on gen IV block
  129. Imco Powerflows
  130. swapping pullys from MR 600 and 700
  131. 500efi -- Where are the block drains?
  132. evinrude 300hp Help please
  133. Exhaust Tips
  134. degreeing stock 502 cam
  135. Oil/power Steering Cooler
  136. Water to an intercooler
  137. Drillin holes in a thermostat
  138. Copper in the Oil Analysis
  139. converting to gps speedo
  140. Imco Shorty
  141. FelPro Gaskets
  142. On board battery chargers/generators..??
  143. Dyno Recommendations
  144. fuel pressure
  145. 2001 mercruiser 454 mpi overfueling
  146. 454 identification...std or Mag?
  147. WTB a bad 088 head
  148. Help! Need 4 exhaust/tailpipe gaskets for my 575sci's
  149. Manifold Qustion
  150. Leakdown test (#8 Cyl)
  151. Mercury Racing blue motors: 500EFI, 525 EFI, 575 SCI. Pros/cons/maintenance/etc.
  152. intake manifold, weird looking casting???
  153. buying a tunnel I/O
  154. Cam change on my 96 502
  155. Gas Tank Repair Options
  156. I am stumped
  157. Blower Head Gaskets
  158. MPI w/ a procharger
  159. Failing OEM 088 Exhaust Valve
  160. Engine break up
  161. Stainless Marine vs Headers
  162. winterizing with a Alpha drive
  163. New boat with 500efi and Procharger. ? on this set up!
  164. exhaust manifolds have weird "burn" pattern in them?
  165. Gas smell in blower oil
  166. Anybody in the Chicago area ?
  167. Water pump removed question.
  168. trim pump hose
  169. Hey, lets get your opinion on which tip would look best?
  170. Buying a boat, what engine test should be done?
  171. 1992 330 hp 454 w/supercharger
  172. Engine temps with cooler weather?
  173. I'll ask again(PLEASE HELP!)......
  174. imco hyd. steering hoses?
  175. exhaust tips and flappers
  176. whistle at about 3500
  177. wipple side mount 500efi
  178. Need to add some heat in my enignes???
  179. Part Number Help????
  180. What thread does this have??
  181. Drain plug -MkV 704 L - help
  182. HP500/Gil Offshore/Reversion
  183. Ilmor 650 vs 725
  184. Exhaust Headers / 525 Mercury Racing Engines
  185. Ground and Battery charger
  186. vortec charger
  187. Blower Belt Jump
  188. Spark Plugs - Does extra clean = lean?
  189. How hard do you normaly run your engine
  190. Build opinions....be gentle with me.....
  191. Plate Oil Coolers
  192. Python wiring diagram
  193. Bilge/Engine Heater
  194. Rich Zul engines, tell me all about them
  195. Ford to bravo
  196. what kind of Headers, cam, carb and intake ?
  197. Sudden loss of power - 496 Mercruiser 375 hp with Bravo 3 question
  198. 502 MPI Coolant Leak Mystery??
  199. Non-Toxic antifreeze says "not recommended for boats"..?
  200. Mid cabin ?
  201. DART Pro 1 Head ?????
  202. Shorty Drives, how do you know what height for max speed??
  203. Mobil 1 Oil 15 - 40 wt
  204. 525 EFI Headers
  205. Howards Cams Lifters?
  206. 502 upgrade, anyone got a good setup?
  207. Rebuild Gen IV 502 or reman Gen VI 502
  208. 502 mag whistle
  209. Merc fuel pump replacement
  210. Carrie Covers
  211. Shurhold polisher
  212. Engine tick/knock? Please help!!!
  213. head gasket
  214. Balancing pistons? How much is too much?
  215. Formula 223 couch
  216. duo prop wont go in gear
  217. HP Gains VS. RPM gains
  218. 525 data download
  219. 496 pump flush
  220. Formula 242 bolster question
  221. In line engines
  222. Optimum Static Compression Ratio-HP 500/Pro 1
  223. Weiand 177 Height
  224. 502 Mag Rebuild or New 502 ???
  225. Mobil1 5w-30
  226. Best way to go... 575 to 650 HP?
  227. Stock 502 Oil Cooler/line question
  228. Question???
  229. Powder, paint, anodize or billet?
  230. Mercruiser 6.2 320hp or Scorpion 6.2 340hp??
  231. 496 EFI to carb
  232. 502 mpi cfm rating
  233. Winterizing with a XR Drive
  234. EFI fuel problem
  235. HP 500 PVC & Lifter Valley Pan
  236. 7.4 Mercruiser To Much Fuel Rail Pressure
  237. Stock horse power of 454 and 502 mags???
  238. Wanted Bracket For Remote Oil Thermo Filter
  239. Vinyl repair
  240. Gibson silencers... reversion?
  241. Fogging a fuel injected engine 350 Mag MPI
  242. 575sci reliability?
  243. ANYONE HAVE A HYDROMOTIVE 4 BALDE 24p RH PROP TO SELL
  244. harmonics/ offshore plate/ oil cooler
  245. Making a Dry Exhaust System
  246. Why is my distirbutor buzzing
  247. 500hp efi/whipple
  248. XR Decals and Dip stick
  249. Help me pick out the best deep cycle battery
  250. 42 twin step Fountain hook
  251. intercooler water pickups
  252. Hose Part Number
  253. O2 Sensor spacer plates???
  254. Leak from around TRS housing into boat.
  255. 500hp Valve Spring/Crane PN?
  256. Excessive Fuel Pressure
  257. 496ho headers
  258. 350 Mag MPI upgrade
  259. intakes
  260. Thoughts on Tunnel Ram?? Input?
  261. switching to new style thermostat
  262. Manifold pressur
  263. 454 Mag MPI with Low Oil PSI
  264. Scarab III running 3000 rpm max?
  265. Is a 1995 7.4L Mag a hyd roller or flatt tappet?
  266. How Do I Contact Stellings????
  267. For you engine builders
  268. steering wheel
  269. Engine accessories
  270. Bravo / 454 water feed
  271. lookin for ss thermostat housing
  272. Rocker Adjustment?
  273. Whats The Difference
  274. EPA approves 15% Ethanol
  275. Intercooler Plumbing
  276. 502 MPI Q - Sensors
  277. Missing outdrive
  278. regular air filter instead of flame arrestors?
  279. 509 made it to the dyno, concerned w/flame arrestor
  280. 496 Ho Problems Again
  281. Stellings power
  282. trim cylinder hydrolic line
  283. Aluminum Blocks?
  284. what would this checkmate be worth
  285. cam/exhaust.reversion
  286. What engine is this?!?
  287. all you 496 guy,s
  288. Eliminator 28 daytona..what prop size?
  289. Gimbal replacement, XR, HP or IMCO?
  290. Going to the DYNO
  291. looking for a littel more power
  292. DIstributor gears
  293. Rough costs of an Imco full hyd kit installed?
  294. Starters from JEGS or Summit
  295. Rubber gaskets for through hull exhaust
  296. sbc race engine mount
  297. What is the Stock Oil cooler size on a Gen 5 502 MPI?
  298. Honest boat mechanic near Wichita Fall Tx.
  299. Q-Jet question
  300. 454 Mag MPI Rebuild - HP estimates?
  301. 500 Hp Cam Wanted
  302. shifting problem update! FIXED!
  303. water pressure
  304. 454 mag oil amount
  305. Merc Magnums won't rev past 3500
  306. Fitch Fuel Catalysts ,anyone use there products?
  307. OIL pans
  308. 496 starter
  309. fuel pessure at wot?
  310. Best big motor starter?
  311. Best Carb intake
  312. 525 Intake Sensor
  313. 98 502 cam card spec
  314. Downturn Pipes
  315. Mercrusier 454/330
  316. Thermostat Housing
  317. Repower project questions
  318. 454 (330hp) winter upgrades
  319. cummins 5.9 diesel
  320. trim tabs
  321. external steering hose
  322. Steering broke, though me out @ 80 MPH, gimbal broke or did I hit??
  323. Winterization.... some questions....
  324. Need Mach prop thrust washer for Bravo
  325. looking at a boat that needs rigging
  326. 5-Bladed Prop?
  327. marine surveyer
  328. Good Speed Sensor - Pulse Style
  329. Marine Machine still make this cylinder?
  330. 496 mag HOs,run better with mufflers?
  331. Question about ignition module
  332. 50 Amp Engine Circuit Breaker
  333. whats next
  334. H.P. of an EFI500
  335. Tail Pipe internal flapper identification needed
  336. 502MPI side mount Whipple manual
  337. Anyone have a contact # for Ed Cozzi in Fla??
  338. 454 Magnum, Cam, Intake, Carb.
  339. need advice...
  340. winterize or bilge heater
  341. Hard Starting Problem
  342. Bravo1 prop, what pitch really?
  343. Quest For More Mph
  344. Shore power and winterization
  345. Gimble Bearning for Bravo
  346. 496ho oil pressure dropped
  347. Building 598 CI Supercharge what holley carburetor? 1150 dominator or 1050 holley
  348. 350 mag drain plugs
  349. volvo fuel injection
  350. question about buying a boat
  351. battery left en boat
  352. Swim Plat Form
  353. Boat Lift?
  354. fuel burn per hour
  355. Rpm's shooting up and not plaining off??
  356. Best high performance heads & cam for Volvo Penta 502?
  357. I need a High Pressure fuel pump from Vapor Seperator Tank.
  358. Gil exhaust manifolds
  359. Carb to Fuel Injection
  360. Vortech heads
  361. 37 ft active thunder catamaran
  362. 496 volvo penta engine - $1500
  363. How do you run two GPS speedos ??
  364. 502 circulating pump
  365. What heads?
  366. Whipple 500 efi HELP
  367. 502 blocks
  368. 1996 7.4 efi mpi surges after warm up
  369. Best bang for the buck upgrade 99HP500..??
  370. Need some ideas on porposing
  371. Marine Head
  372. #3 prop locks
  373. Anyone have an Indmar 6.0?
  374. .060 4 bolt main
  375. nitrous HP performance
  376. 502 MAG EFI/MP vs 502 MAG EFI
  377. cast iron manifolds on alum heads???
  378. Diagnostics on Merc Racing 377 Scorpions
  379. Whats the best oil pump?
  380. 525 Headers
  381. oil filter lines crossed
  382. Mercruiser 5.0 V8 Alternator Question
  383. odd coincidence
  384. Milk In Oil, Help?
  385. 525 sc blower oil type?
  386. whats it worth 502
  387. looking for the best price on marine machine steering system
  388. 1993 formula steering
  389. Fountian needs help
  390. Windline SM-3XG Stainless Ladder.
  391. Expirience with Hardin Marine Cyclone headers
  392. Is this cam any good?
  393. Engine ident
  394. Switching to Dry Exhaust.
  395. Merc 400HP 383 Stroker Scorpion ???
  396. Boating magazines??
  397. Can someone ID this hose?
  398. Merc 575 SCI Increased Boost
  399. 86 velvet drive leaking from breather valve
  400. K plane trim tab pump
  401. need help on boat information
  402. 496 HO Oil Temperature
  403. Engine Stalls Whn Throttling in Reverse
  404. Recomendations on new steering
  405. Need some help on which prop to run?
  406. 496 ho at low speed cuts out all of sudden beeps then fine??
  407. K plane ?
  408. More HP or Torque
  409. manifolds
  410. truck from S. Florida to Indianapolis and N.J.
  411. 496HO Mayday: Low fuel pressure, poor idle, surging, low WOT RPM, IAC Hiss
  412. 496 mag backfire help
  413. Who can do dash/guage panels
  414. highest drive height I can go with?? #4's on boxes
  415. Raylar 550
  416. Wind deflector parts!
  417. Rebuild or Part out?
  418. advice
  419. 240 sport parts
  420. 406 sbc blower motor
  421. 502 Vs 525
  422. installing new gas tank
  423. new gas tanks
  424. Run without thermostat?
  425. Tilted Engine/Clearance
  426. Compression Ratio
  427. mercury 225 efi
  428. MSD vs Merc plug wires with knock sensor??
  429. Top Mount Stater Guys
  430. Repower 38'Fountain
  431. Setting timing on a 575sci
  432. Livorsi GPS Antenna "Yellowing"....
  433. Looking for Larry Michael Nixon
  434. 496 HO - hours above 4000 rpm
  435. Can anyone identify this part?
  436. Need Help With Dne Transmissions
  437. zz502 in a 24-7
  438. 89 OMC 350 King Cobra engine?
  439. Merc 525SC Specs
  440. thunderbolt ,alternative,,help
  441. Huber 1450 Trans ?
  442. Carter Fuel Pump- sort of died
  443. Trim pumps not raising drives
  444. Pro charged 502 water temp
  445. Thermostat?
  446. time to rebuild
  447. 454 MAG Correct Operating Temperature
  448. How good are these heads
  449. 1987 Baja 240 Sport with 454 Mag
  450. Draining/Pumping out fuel
  451. Freshen up 525 EFI
  452. 454 Mercruiser budget build help
  453. K&N Flame arrestor 502 MPI
  454. 350 mag running poorly - 1988 Nova 3
  455. Enderle or Hilborn Mechanical Fuel Injection Questions
  456. Rebuilding a Glastron/Carlson CSS-19 and need recommendations
  457. roller rockers on vortec heads
  458. Nail polish on vinyl?
  459. elec fuel pump for VST's (where?)
  460. 575SCi injectors (rare) and + HP pulleys FS
  461. Pulley Needed
  462. BB Chevy Heads
  463. Impellers twice
  464. drive question
  465. Pcm 555 connector plugs on 496ho
  466. winter storage ......gas question......
  467. Rod and Main Bearings for my 575sci
  468. valve sizes
  469. need help with a porta potty question
  470. Enough air?
  471. 500 EFI thermostat replacement
  472. Holly EFI?
  473. High Oil Pressure on the gauge
  474. 305 0r 350
  475. Procharge a 502 mag
  476. Gen 6 P.S. pump
  477. motors or drives ?
  478. Question about 500EFI Temps.
  479. 454 efi bogs down and dies...............
  480. Help on a 33' IMP Viper
  481. Air intakes
  482. MEFI 1 interface 10-pin cable
  483. Power steering pump ?
  484. I boats.com Mooring Covers
  485. Props spinning in or out?
  486. 454 bogs down and dies......help!!!......
  487. BBC help needed
  488. HP500 cam???
  489. Looking for another 500 rpms!
  490. oil gauge temp
  491. Motor Squeal
  492. TRS problems, Motor is to low?
  493. Looking for an owners manual........
  494. Merc Silent Choice part question.
  495. cream in valve cover.
  496. Help please with a 525
  497. 502 MPIs, A Long Story Getting Longer
  498. Supercharging ?
  499. loosing drive fluid in bilge ??
  500. multiple misfires tried everything ,someone help!