View Full Version : General Q & A




  1. Stroking an HP500 to a 540.
  2. #6 Swept back skegs
  3. Alternator problem/dead batteries....
  4. Mark IV fuel pump sprung a leak
  5. engine builder says gear drine
  6. MPI to Carb ??
  7. 525 shut down ?
  8. Filter/Breather?
  9. SBC Serpentine Belt Conversion
  10. GM 502 Piston Replacement
  11. What should piston to wall clearance be
  12. Help, need computer
  13. Pulling Sadle tanks
  14. Breaking Roller Rockers??????
  15. 496 mag-496h.o.------------------------
  16. Module Identification - How to tell?
  17. Ratcheting wrenches?
  18. HP capabilites of the #2 drive.
  19. Fuel tank question
  20. Looking for Vandy021
  21. 496 improvement options- narrowing choices down
  22. Balancing Rotating Assembly Question??
  23. Out Drive experts : What Kind of drive is this? Off 71 Pachanga
  24. Runing prop with caps removed?
  25. Need Some Help With My Shifter Parts...
  26. Need Good Motor Guy in So. MD
  27. engine room lighting
  28. 1" Bravo Drive Spacer Studs
  29. Merc SBC gurus?
  30. Spark plug type for 502 EFI
  31. Cross-over install
  32. Which Nose Cone
  33. Spark Plug Wires for Mercruiser SB
  34. oil capacity
  35. Oil Temp Sender thread size
  36. Torque Ratings for Optimax
  37. Some supercharger ?'s
  38. 1994 Baja Bandit Question
  39. Shifter replacements
  40. Blower experts please advise fuel system requirements for Procharger M-1
  41. Prop Questions Hydromotive-bravo
  42. Shift interrup 6.2MX
  43. My SBC Upgrades I have settled on. What do you think?
  44. 2" shortie on a 04' 29 fountain?
  45. Can you run two oil coolers in series on a Gen 6 502?
  46. Water Pump
  47. Head, valves, springs, retainers, etc.
  48. Fogging the 496
  49. Pulling The Timing Chain Cover
  50. 502 head bolts?
  51. Drive height, Baja 235 Force
  52. Supercharging ???
  53. dana exhaust
  54. Exhaust Discoloration?
  55. BBC heads Fit 396 ?
  56. Trim Tabs for Scarab 22
  57. Mercruiser Recall (496 MAG)
  58. early fountain executioner
  59. 525efi dead in 85 hours!
  60. engine lift????
  61. 502 Mag MPI cam???
  62. Kaama oil pan help
  63. Does anyone make a better than OEM intake manifold for a 350 EFI Motor?
  64. What to do
  65. upgrade 454 mag carb.
  66. bad main bearing
  67. 2 Pc. Valve Covers
  68. Thunderbolt ign Rev Limiter ?
  69. 496 belt
  70. 300hrs 500 EFI's
  71. Bravo drive guru near Chicago/Rockford
  72. problems with 500efi
  73. Winterizing question - good enough??
  74. Real cheep and easy Mag air intake
  75. Found 400rpm in the 454Mag
  76. Hull blueprinting in Southern California
  77. help 261 liberator
  78. what do you do to kill time
  79. Need a Whipple recipe
  80. Stellings Box--Steering Questions
  81. 502 MAG MPI's to 525's
  82. outdrive lube?
  83. Removing gimble housing studs..
  84. OUTDRIVE "B"ring "O"ut "A"nother "T"housand
  85. HP500 overspeed module??
  86. 496 exhaust needed
  87. sea strainer...
  88. Shock between boat and dock!!
  89. 700 sci
  90. Steering Problems
  91. Help w/577 Carb Motor
  92. Procharge the 454?
  93. Too much torque - Not enough RPMs
  94. Anyone Deal with Titanium Scrap ?
  95. 2 Piece Valvecovers
  96. 454 Mag MPI Oil Capacity?
  97. Help with tunnel tab
  98. Help! 502 motor, low oil pressure, Any ideas?
  99. carbs on 525sc's
  100. Upgrades to 502 MPI's
  101. Is this cam too much for a marine 502?
  102. Pcm ??? for you efi guys
  103. Hand pump for Amsoil Outdrive Oil
  104. MEFI4A ECU Problem- Fuel Pump
  105. Trailer lug torque
  106. Anyone ever try?
  107. Noise in motor/ black oil/water
  108. EFI Losing Prime
  109. Procharger with Eickert Headers
  110. Fountain EXECUTIONER vs LIGHTNING
  111. different winterizing question
  112. Imco Extreme Advantage Sc Drive Questions
  113. Has anyone ordered from 'Stem to Stern' lately?
  114. Cold air intake system for 496 engines can add 8-12% HP.
  115. Exhaust Drain Plugs
  116. Freezing 496 Mag
  117. Auto bilge pump switch
  118. Can slightl worn bravo gimbal assemblies be re-bushed?
  119. 496 mercruiser
  120. Highest compression on 93 octane
  121. who sells old Cusader parts?
  122. Wireless Kill Switch
  123. 575 headache
  124. Rotted Exhaust Bolts ?
  125. EFI Fuel pump dead. Why?
  126. Help Design My Next Motor
  127. Plastic washers and (help me find)...
  128. foot rests
  129. Trying to recover from an engine scam
  130. Quick answer needed: trailer bearing
  131. ECU Reprograming
  132. Bravo propshaft question....Help !!!!!
  133. Which prop
  134. water reversion and muffler tips
  135. 502 ram jet cam
  136. Ext. box question and leaks...
  137. 598 - which heads and cam for 750hp
  138. Gimble bearing came out with drive. Why?
  139. Prop
  140. Anyone need....
  141. Raylar's 496 Exhaust mods??
  142. Looking for Thermostat housing
  143. 500efi rebuilds
  144. stock rods and crank, what HP can they handle
  145. 177 Vs 250 blower, any gaing in HP
  146. M.S.D. starter /savers
  147. Which roller cam for a 575sci rebuild?
  148. Interesting observation
  149. calling Al from Addictive water sports in Tampa, FL
  150. what exactly is resizing rods???
  151. Prop Rotation!?
  152. Steel Crank Turned .040 ?
  153. switching from a mefi3 to mefi4
  154. need some motor input
  155. Riser Gaskets for 496??
  156. How to change thermostat on 496HO?
  157. Noise violations????
  158. blower belt slipping
  159. merc 377 up grades
  160. 525SC Mercs Upgrade - Any packages available?
  161. wide band o2
  162. Question about Small Block Exhaust systems. (350/300hp Magnum)
  163. OMC Ignition 90 350 King Cobra
  164. 454 Mag MPI ran great ..... but only to 4000rpm
  165. dirve oil pump
  166. Stabil what's really in it ?
  167. Anodising
  168. Power upgrade
  169. Can someone tell me what this is???
  170. XR drive
  171. Engine upgrade
  172. Reversion Question- Again
  173. char-lynn helm
  174. Marine alternator
  175. Battery Boxes
  176. Bravo 1 X leak - thoughts?
  177. VHF radio with intercon HELP
  178. 525 question
  179. Cooling Questions
  180. KE Roller Rocker Arms - Anybody?
  181. Oil leaking Bravo One
  182. Need spaekers, Help
  183. quick winterizing question
  184. reversion and intake manifolds
  185. throttle/gear shift removal ?
  186. Oil Smell
  187. Parts
  188. Pumping Gas Tanks Dry
  189. zero effort
  190. Need a flywheel for a Mark IV 454 TRS
  191. jetting blower motor
  192. Stock 500 EFI E- tops?
  193. What's it worth?
  194. 496 HO not starting any ideas
  195. Broken Rocker arm adjusting nut-500efi
  196. Do you think this boat on EBAY can do 80MPH?
  197. NEED HOUSTON EFI inboard Volvo MECHANIC
  198. Sema.
  199. What size carb do I need.
  200. Will a 1/2 Ton Chain Fall.....
  201. Merc Outboard Bore Job
  202. 454 Gen IV losing oil pressure
  203. Water proofing cockpit cover
  204. prop wrench
  205. yet another cam/head question..
  206. Help! Rocker Arm Question for 502 Gen 6 (1998)
  207. Over Head Cam ford motor suggestions
  208. Winterizing Question
  209. Mach 1
  210. Sbrt
  211. 502whipple with bravo 1
  212. Bolsters
  213. 496 truck block, What is it worth
  214. Mobil 1 V-Twin
  215. Separating the Bravo lower
  216. Anything specail about SRX MERCRUISER ENGINES
  217. cam choices
  218. Ok, what do I look at next?
  219. Reading Plugs Tech info
  220. msd starter saver
  221. 72 vevet drive
  222. calling Tyler and Raylar ? for you
  223. CMIs - have them fixed or buy new exhaust?
  224. Another winterizing question
  225. Winterization Question
  226. predator marine logo
  227. 496 Exhaust water routing??
  228. Electric vs Mech Fuel Pumps
  229. transom cut out question
  230. Draining EMI thunder exhaust?
  231. 502 efi oil removal?
  232. What do you think about these lower gears..
  233. This just cost me some money!!
  234. 496 engine throttle response ?
  235. Holley Manual Fuel Pump ?
  236. Throttle controls
  237. Sea Water Strainer Question
  238. Winterizing HP525's
  239. Reversion?
  240. Bennett Tabs
  241. B-Max Drive Info?
  242. EFI live
  243. Eldelbrock Air/Fuel Moniter
  244. Mild SBC Upgrades
  245. Holley carb gurus
  246. Looking For Image
  247. 500HP Starting Problems
  248. Merc To Fram Filter Conversion
  249. Can 5psi be reliable on a non-magnum 454?
  250. Lost major power--- Why????
  251. Guesstimates on 502MPI 415HP gain over 330HP
  252. HELP: Engine alignment to Borg Warner Transmission.
  253. 502 Mag
  254. 177 blower on a 502
  255. who knows the differences in a 2006 bravo III vs a 1998
  256. Winterizing ?
  257. 15 Over Bore On Hp 500
  258. Konrad Drives
  259. Trick Access Around Boats on to Boatlifts?
  260. Trick Flushing Techniques While On Lift?
  261. Need a contact # for Mr. Gadgets
  262. How much can stock roler lifters handle
  263. Exhaust Resonators
  264. adding a stand off box
  265. Salt Away ???
  266. Code 81 on scanner - MEFI 4
  267. Suggestions ?
  268. Bravo 1 outdrive with metal shavings on drain plug
  269. CMI headers on 353fastech/496HO's
  270. Starter
  271. 188 heads
  272. GPS Wizards
  273. 190 hrs on H.O. Change to synthetic?
  274. Anyone know the thread size/pitch 4 Bravo?
  275. Anyone have Victory Tabs??
  276. Changing Drive Oil in the Fall
  277. milkshake again
  278. bbc chevy loses voltage
  279. bravo III making noise in forward
  280. New Longblocks, Rebuilt, Remanufactured???
  281. Trs Outdirve Full Of Water
  282. Winter Engine Layup
  283. Inconel valve question ?
  284. 454 mag-450hp with stock cam
  285. fuel/water separator
  286. Toe in n Toe out?????
  287. 454 mag engine miss
  288. TRS Power steering removal
  289. 496 HO's- 425 at the crank or prop???
  290. Rev limiter
  291. Pair of 500 efi's
  292. Looking for opinions on Hydraulic steering set ups.
  293. Trim pump oil
  294. #6 Dry-sump conversion...
  295. 454 4 bolt a mag motor
  296. Merc 454 oil pickup help needed
  297. Adding ITS
  298. Ignition upgrade
  299. speedmaster3 to bravo questions
  300. got my new bravo one and transom today
  301. Bravo engine setup with an Alpha drive?
  302. Another leakdown question
  303. Intake manifold sealant
  304. New 300xs optimax's
  305. Idle question
  306. trim tabs don't go up even
  307. Garboard Brass Drain Fitting?
  308. Should I upgrade?
  309. 496HO hot manifold
  310. 496 Elbow Paint
  311. need a dyno chart 350 mag mpi stock
  312. I Need a trailer
  313. weights of drive oil vs speed of boat
  314. new member new ride
  315. fuse block needed
  316. X dimension
  317. What's my drive?
  318. 241 Libby -Engine Misses - Burnt Valve?
  319. Bad 502 pump gas Piece by Mesa
  320. Oil filter for '96 502 efi
  321. Leakdown test on a cold motor
  322. 509 fuel presure
  323. 29scarab finally getting somewhere.
  324. Edelbrock VS Merlin Intake
  325. Hydraulic Steering Upgrade
  326. Donzi 25 top speed
  327. Wide or narrow band air / fuel meter
  328. Unabashed Gearhead Gnarlyness
  329. To choke or not choke?
  330. CMI Headers/496 HO
  331. Need 16 rib blower belt
  332. poll, how fast will my chevelle be with the new power?
  333. are all bravo couplers the same?
  334. Who does ECU mapping
  335. 496 Oil Filter
  336. Using A/C while on a lift
  337. Marine Vinyl Supplier?
  338. wstsidesrf shoot me a email
  339. How did oil get here?
  340. cool fuel drain plug
  341. I did it to myself and now I need help selecting injectors and fuel mapping
  342. 5.7 GM Marine HP?
  343. Gen V heads on early 454 block
  344. Worth the gain? AFR CNC heads/Crane 731 roller/carb on 454 magnum?
  345. EFI with big cams
  346. Replace Dip Stick?
  347. Steering loose at speed...
  348. 454 Mag Fuel preasure
  349. ECM mefi 1 question
  350. Suggestions on setup
  351. middle floor board rotted
  352. bow lift
  353. Crack in Head
  354. 454 to 496-is it worth it???
  355. 454MagMPI Electrical problem
  356. boost gauge
  357. Anyone have any experience with these Tabs?
  358. 241 liberator
  359. Lightning Damage
  360. gas sender unit
  361. winterizing AC and sinks ?
  362. Anyone have the torque specís for Intake manifold & Head on a 350 Magnum motor?
  363. Why am I too slow?
  364. What limits the amount of boost?
  365. 496 Mag HO Winterization
  366. Beware. Prop Buster.
  367. Anybody have Access or Wisdom on Bosch Fuel pumps ??
  368. Help, lost 800 rpm...
  369. Warning you about Chinese Junk - doing my duty
  370. port side steering
  371. winterize question
  372. Changing to Holley
  373. Marine vs Automotive Head work
  374. Outdrive Lube Pump
  375. motor work by nickerson
  376. Liquid filled compass. What oil?
  377. Need TPS sensor
  378. Are all boat dealers too rich to return phone calls??
  379. what do you guys think of this sbc build for my chevelle?
  380. 35 Fountain
  381. Valve size
  382. tank full or empty over winter with reformulated gas??
  383. Schenatic wanted- wiring two batteries, two engines, shutoff
  384. PLEASE HELP! Pop up cleats
  385. Bravo 1 question
  386. Stupid question about putting boat up for the winter
  387. Compression ratio vs Chamber cc
  388. How Are These Heads ???
  389. 502 low compression
  390. Vibration/ bent shaft?
  391. ??? about stand off box
  392. Shift cable through transom assy.?
  393. Outboard surges, warning lights show
  394. Who is doing 4 - 7 firing order swap.
  395. Metrinch??????????
  396. Model # for this K-plane?
  397. Put drive on and now starter grinds
  398. 496 vs 502
  399. weak link on Imco Extreme drives 1st gen??
  400. 140*F Thermostat for Merc 496
  401. buying new drive, what ratio should i get?
  402. cam specs on 525/exhaust. in a Pachanga
  403. Bravo XR / Engine Overheat
  404. Ignition Module V8-HP advance??
  405. Any gains on stock 7.4L from thru-hull exhaust?
  406. Gil Exhaust
  407. bravo one 4 blade 24p
  408. drive engage question
  409. seawater/fuel pump on Gen VI w/ serpentine setup
  410. boat manufactures
  411. Help need performance shop or person southeast
  412. Pics Of Oil Cooler Rigging
  413. Engine Bearring tech sheet
  414. Oil pan drain plug...thread size?
  415. Blower Question Again
  416. gear drive
  417. BBC Bowtie MarkIV 10051107 Block... Where?
  418. 496 Ho ?
  419. Y-pipe for SB or BB ?
  420. Thru transom/thru prop exhaust ??
  421. 7.4L Carburetor Information Needed
  422. Oil and Water Temps
  423. TRS Parts - Price and Info
  424. TRS set up adapter needed for winterizing
  425. Nose cone or no Nose cone?
  426. Checking fuel pressure ?
  427. Intake Manifold 540, HELP!
  428. How can I protect upolstery this winter
  429. cabin door
  430. Water in bow but not in stern
  431. NEED Delco Electrical Book, REMAN etc... !
  432. Bilge Cleaner
  433. Oil pressure question
  434. What Carb should I use for my 540?
  435. Loss of oil pressure ?????????
  436. EFI gurus
  437. Holley model#/cfm
  438. Trailer needs restoring
  439. Cylinder psi vs load
  440. # 6 drive oil question
  441. Easy question?
  442. Stern Jack help.....
  443. 320 EFI with Alpha SS Jump on it or run the other way?
  444. Correct method for bleeding a full hydro system??
  445. no oil psi no knock
  446. 496 Raw Wtr Pressure Switch brass fitting?
  447. 350/300hp Magnum Blown Head Gasket or what?
  448. Blower motor air/fuel ratios
  449. Whats normal water pressure, stock hp500's
  450. TRS and Speedmaster Lowers
  451. How do I get 300+HP from Merc350/260?
  452. 250 Blower oil
  453. Water Pressure Switch
  454. How much Gear LZube for #6SSM Dry Sump
  455. 5.0 LX Merc engine noise
  456. Water pressure guage question for 496HO
  457. Need a crashbox ID
  458. WOT problem
  459. hp 500 carb'd heads
  460. suggestions please
  461. Help from the engine pros
  462. 496 HO Oil Sender Location?
  463. HELP I think I bent it!!
  464. Merc Racing extended warrantee????
  465. Why no vacuum advance???
  466. Shift question and stainless vs aluminum
  467. Another Oil Thread - 2 Cycle this time
  468. Bravo 1 upper vs. Bravo 2 upper
  469. problem turning on right side
  470. Camshaft dilema. Help me decide where to go next.
  471. 496 Owners: Ever check your intake air temps with a scanner?
  472. IAC bouncing 0 to 1 at idle...
  473. Need info changing from Carbed to Injected?
  474. Scarab P-29 w/ Blackhawk drives and 377 power
  475. Which intake manifold do I need? Vortex?
  476. Outdrive question
  477. outdrive anode
  478. what prop
  479. Prop shaft splines are jacked!
  480. Update - drive trim - goes down, not up
  481. 454 mag timimg question
  482. Electric fuel pump tip
  483. Checking for Hydrolock
  484. Why bother cleaning bottom of boat?
  485. Whipples on 38 scarab with 500 EFI
  486. Procharger Question
  487. Replacing the friggin' steering wheel!
  488. Modify early Intake to fit newer SBC ?
  489. bmax upper and bravo lower ?
  490. Making the switch from 454 to 496 ho
  491. Engine Adventures
  492. Pachanga-27 Stock How fast??
  493. Found Copper & Silver metal in oil filter...
  494. 502 cam specs please
  495. 502 MPI - ASM lower intake versus stock
  496. HP500EFI Mechanical Fuel Pump?
  497. aftermarket rims on trailer?
  498. Electrical gremlin!!
  499. Most HP with stock gen 6 crank
  500. Need some tech advice from engine techs