View Full Version : General Q & A




  1. cam choices
  2. Ok, what do I look at next?
  3. Reading Plugs Tech info
  4. msd starter saver
  5. 72 vevet drive
  6. calling Tyler and Raylar ? for you
  7. CMIs - have them fixed or buy new exhaust?
  8. Another winterizing question
  9. Winterization Question
  10. predator marine logo
  11. 496 Exhaust water routing??
  12. Electric vs Mech Fuel Pumps
  13. transom cut out question
  14. Draining EMI thunder exhaust?
  15. 502 efi oil removal?
  16. What do you think about these lower gears..
  17. This just cost me some money!!
  18. 496 engine throttle response ?
  19. Holley Manual Fuel Pump ?
  20. Throttle controls
  21. Sea Water Strainer Question
  22. Winterizing HP525's
  23. Reversion?
  24. Bennett Tabs
  25. B-Max Drive Info?
  26. EFI live
  27. Eldelbrock Air/Fuel Moniter
  28. Mild SBC Upgrades
  29. Holley carb gurus
  30. Looking For Image
  31. 500HP Starting Problems
  32. Merc To Fram Filter Conversion
  33. Can 5psi be reliable on a non-magnum 454?
  34. Lost major power--- Why????
  35. Guesstimates on 502MPI 415HP gain over 330HP
  36. HELP: Engine alignment to Borg Warner Transmission.
  37. 502 Mag
  38. 177 blower on a 502
  39. who knows the differences in a 2006 bravo III vs a 1998
  40. Winterizing ?
  41. 15 Over Bore On Hp 500
  42. Konrad Drives
  43. Trick Access Around Boats on to Boatlifts?
  44. Trick Flushing Techniques While On Lift?
  45. Need a contact # for Mr. Gadgets
  46. How much can stock roler lifters handle
  47. Exhaust Resonators
  48. adding a stand off box
  49. Salt Away ???
  50. Code 81 on scanner - MEFI 4
  51. Suggestions ?
  52. Bravo 1 outdrive with metal shavings on drain plug
  53. CMI headers on 353fastech/496HO's
  54. Starter
  55. 188 heads
  56. GPS Wizards
  57. 190 hrs on H.O. Change to synthetic?
  58. Anyone know the thread size/pitch 4 Bravo?
  59. Anyone have Victory Tabs??
  60. Changing Drive Oil in the Fall
  61. milkshake again
  62. bbc chevy loses voltage
  63. bravo III making noise in forward
  64. New Longblocks, Rebuilt, Remanufactured???
  65. Trs Outdirve Full Of Water
  66. Winter Engine Layup
  67. Inconel valve question ?
  68. 454 mag-450hp with stock cam
  69. fuel/water separator
  70. Toe in n Toe out?????
  71. 454 mag engine miss
  72. TRS Power steering removal
  73. 496 HO's- 425 at the crank or prop???
  74. Rev limiter
  75. Pair of 500 efi's
  76. Looking for opinions on Hydraulic steering set ups.
  77. Trim pump oil
  78. #6 Dry-sump conversion...
  79. 454 4 bolt a mag motor
  80. Merc 454 oil pickup help needed
  81. Adding ITS
  82. Ignition upgrade
  83. speedmaster3 to bravo questions
  84. got my new bravo one and transom today
  85. Bravo engine setup with an Alpha drive?
  86. Another leakdown question
  87. Intake manifold sealant
  88. New 300xs optimax's
  89. Idle question
  90. trim tabs don't go up even
  91. Garboard Brass Drain Fitting?
  92. Should I upgrade?
  93. 496HO hot manifold
  94. 496 Elbow Paint
  95. need a dyno chart 350 mag mpi stock
  96. I Need a trailer
  97. weights of drive oil vs speed of boat
  98. new member new ride
  99. fuse block needed
  100. X dimension
  101. What's my drive?
  102. 241 Libby -Engine Misses - Burnt Valve?
  103. Bad 502 pump gas Piece by Mesa
  104. Oil filter for '96 502 efi
  105. Leakdown test on a cold motor
  106. 509 fuel presure
  107. 29scarab finally getting somewhere.
  108. Edelbrock VS Merlin Intake
  109. Hydraulic Steering Upgrade
  110. Donzi 25 top speed
  111. Wide or narrow band air / fuel meter
  112. Unabashed Gearhead Gnarlyness
  113. To choke or not choke?
  114. CMI Headers/496 HO
  115. Need 16 rib blower belt
  116. poll, how fast will my chevelle be with the new power?
  117. are all bravo couplers the same?
  118. Who does ECU mapping
  119. 496 Oil Filter
  120. Using A/C while on a lift
  121. Marine Vinyl Supplier?
  122. wstsidesrf shoot me a email
  123. How did oil get here?
  124. cool fuel drain plug
  125. I did it to myself and now I need help selecting injectors and fuel mapping
  126. 5.7 GM Marine HP?
  127. Gen V heads on early 454 block
  128. Worth the gain? AFR CNC heads/Crane 731 roller/carb on 454 magnum?
  129. EFI with big cams
  130. Replace Dip Stick?
  131. Steering loose at speed...
  132. 454 Mag Fuel preasure
  133. ECM mefi 1 question
  134. Suggestions on setup
  135. middle floor board rotted
  136. bow lift
  137. Crack in Head
  138. 454 to 496-is it worth it???
  139. 454MagMPI Electrical problem
  140. boost gauge
  141. Anyone have any experience with these Tabs?
  142. 241 liberator
  143. Lightning Damage
  144. gas sender unit
  145. winterizing AC and sinks ?
  146. Anyone have the torque specís for Intake manifold & Head on a 350 Magnum motor?
  147. Why am I too slow?
  148. What limits the amount of boost?
  149. 496 Mag HO Winterization
  150. Beware. Prop Buster.
  151. Anybody have Access or Wisdom on Bosch Fuel pumps ??
  152. Help, lost 800 rpm...
  153. Warning you about Chinese Junk - doing my duty
  154. port side steering
  155. winterize question
  156. Changing to Holley
  157. Marine vs Automotive Head work
  158. Outdrive Lube Pump
  159. motor work by nickerson
  160. Liquid filled compass. What oil?
  161. Need TPS sensor
  162. Are all boat dealers too rich to return phone calls??
  163. what do you guys think of this sbc build for my chevelle?
  164. 35 Fountain
  165. Valve size
  166. tank full or empty over winter with reformulated gas??
  167. Schenatic wanted- wiring two batteries, two engines, shutoff
  168. PLEASE HELP! Pop up cleats
  169. Bravo 1 question
  170. Stupid question about putting boat up for the winter
  171. Compression ratio vs Chamber cc
  172. How Are These Heads ???
  173. 502 low compression
  174. Vibration/ bent shaft?
  175. ??? about stand off box
  176. Shift cable through transom assy.?
  177. Outboard surges, warning lights show
  178. Who is doing 4 - 7 firing order swap.
  179. Metrinch??????????
  180. Model # for this K-plane?
  181. Put drive on and now starter grinds
  182. 496 vs 502
  183. weak link on Imco Extreme drives 1st gen??
  184. 140*F Thermostat for Merc 496
  185. buying new drive, what ratio should i get?
  186. cam specs on 525/exhaust. in a Pachanga
  187. Bravo XR / Engine Overheat
  188. Ignition Module V8-HP advance??
  189. Any gains on stock 7.4L from thru-hull exhaust?
  190. Gil Exhaust
  191. bravo one 4 blade 24p
  192. drive engage question
  193. seawater/fuel pump on Gen VI w/ serpentine setup
  194. boat manufactures
  195. Help need performance shop or person southeast
  196. Pics Of Oil Cooler Rigging
  197. Engine Bearring tech sheet
  198. Oil pan drain plug...thread size?
  199. Blower Question Again
  200. gear drive
  201. BBC Bowtie MarkIV 10051107 Block... Where?
  202. 496 Ho ?
  203. Y-pipe for SB or BB ?
  204. Thru transom/thru prop exhaust ??
  205. 7.4L Carburetor Information Needed
  206. Oil and Water Temps
  207. TRS Parts - Price and Info
  208. TRS set up adapter needed for winterizing
  209. Nose cone or no Nose cone?
  210. Checking fuel pressure ?
  211. Intake Manifold 540, HELP!
  212. How can I protect upolstery this winter
  213. cabin door
  214. Water in bow but not in stern
  215. NEED Delco Electrical Book, REMAN etc... !
  216. Bilge Cleaner
  217. Oil pressure question
  218. What Carb should I use for my 540?
  219. Loss of oil pressure ?????????
  220. EFI gurus
  221. Holley model#/cfm
  222. Trailer needs restoring
  223. Cylinder psi vs load
  224. # 6 drive oil question
  225. Easy question?
  226. Stern Jack help.....
  227. 320 EFI with Alpha SS Jump on it or run the other way?
  228. Correct method for bleeding a full hydro system??
  229. no oil psi no knock
  230. 496 Raw Wtr Pressure Switch brass fitting?
  231. 350/300hp Magnum Blown Head Gasket or what?
  232. Blower motor air/fuel ratios
  233. Whats normal water pressure, stock hp500's
  234. TRS and Speedmaster Lowers
  235. How do I get 300+HP from Merc350/260?
  236. 250 Blower oil
  237. Water Pressure Switch
  238. How much Gear LZube for #6SSM Dry Sump
  239. 5.0 LX Merc engine noise
  240. Water pressure guage question for 496HO
  241. Need a crashbox ID
  242. WOT problem
  243. hp 500 carb'd heads
  244. suggestions please
  245. Help from the engine pros
  246. 496 HO Oil Sender Location?
  247. HELP I think I bent it!!
  248. Merc Racing extended warrantee????
  249. Why no vacuum advance???
  250. Shift question and stainless vs aluminum
  251. Another Oil Thread - 2 Cycle this time
  252. Bravo 1 upper vs. Bravo 2 upper
  253. problem turning on right side
  254. Camshaft dilema. Help me decide where to go next.
  255. 496 Owners: Ever check your intake air temps with a scanner?
  256. IAC bouncing 0 to 1 at idle...
  257. Need info changing from Carbed to Injected?
  258. Scarab P-29 w/ Blackhawk drives and 377 power
  259. Which intake manifold do I need? Vortex?
  260. Outdrive question
  261. outdrive anode
  262. what prop
  263. Prop shaft splines are jacked!
  264. Update - drive trim - goes down, not up
  265. 454 mag timimg question
  266. Electric fuel pump tip
  267. Checking for Hydrolock
  268. Why bother cleaning bottom of boat?
  269. Whipples on 38 scarab with 500 EFI
  270. Procharger Question
  271. Replacing the friggin' steering wheel!
  272. Modify early Intake to fit newer SBC ?
  273. bmax upper and bravo lower ?
  274. Making the switch from 454 to 496 ho
  275. Engine Adventures
  276. Pachanga-27 Stock How fast??
  277. Found Copper & Silver metal in oil filter...
  278. 502 cam specs please
  279. 502 MPI - ASM lower intake versus stock
  280. HP500EFI Mechanical Fuel Pump?
  281. aftermarket rims on trailer?
  282. Electrical gremlin!!
  283. Most HP with stock gen 6 crank
  284. Need some tech advice from engine techs
  285. calling brian, with the raylar boat?
  286. Cracked block...New engine ideas
  287. outboard height
  288. Westerbeke Service
  289. Worn valve springs 502 MPI?
  290. Need a valve cover hose fitting p/n for 502 efi
  291. how hard is to replace the starter
  292. Low speed miss
  293. How much oil is ok for a 502mag
  294. HP500EFI runns cold
  295. What is the torque value for a std Bravo top cap??
  296. No start condition
  297. put on the 1050 today
  298. Problem with fuel system
  299. First time changing 502 impeller
  300. Prop and speed calculator
  301. Crankshaft Cutting
  302. How do you pull engine with TRS drive / BW tranny ?
  303. 7.4 MPI overheating
  304. 496 mag oil consumption??
  305. Starter internal difference 10 MT LH vs RH
  306. mercury 850sci
  307. Always friggin' something!
  308. BROKEN VALVE SPRING ??? Help !
  309. Diacom Guru needed Dave_n?????
  310. Head problems
  311. Mirage 25 pitch/ RH on ebay....
  312. Paging 496HO and Diacom Gurus...Again
  313. nosecones or Imco lowers?
  314. Fogging???
  315. Rich overnight
  316. English lesson....
  317. need new windshield
  318. Engine noise
  319. High Volume Oil Pump
  320. cobra engines quality and dependability?
  321. Transom thickness
  322. winnterizing/ethanol
  323. Can a Chevy 383 / 425hp Street Engine be used in a Marine Application?
  324. 96 502 efi vapor lock?
  325. Winterizing question?
  326. carb jetting and pressure?
  327. Heavy Duty Alpha?
  328. Dynamic Compression Ratio versus Octane
  329. Bravo 1 trim angle?
  330. Bilge Blower Direction for best Efficiency & Safety
  331. Latest Powerboat mag - "Power Brokers" article...
  332. Drives tow in or tow out performance settings
  333. Fuel Tank Clean Out
  334. intercoolers of choice
  335. more hp from 496 ho
  336. FYI, I found a great cross-reference for filters (fuel, oil, air)
  337. Realistic Hp 500 Hp
  338. ROLLA Props on EBay (Right Now) What Do You Think? (With EBay LINK)
  339. TPS trouble shooting w/o scan tool
  340. Upgraded engine lost speed any help?
  341. 496HO getting crappy at 3k RPM?
  342. Engine building guru ?'s
  343. 496 connecting rods
  344. Rotella synthetic vs. Mobile one gold cap?
  345. 383 build up
  346. ROLLA Props on Ebay (right now) What do you think?
  347. 82 ish Mercruiser wiring info wanted.
  348. Engine Backfire
  349. alarms/496 ho's going crazy
  350. 502 fuel system questions
  351. 496 Cowl Bolts
  352. Who's using SS Competition Gauges??
  353. Milky Oil, Raised Level
  354. Been Gone For 10 Days
  355. Gimble bearing removal
  356. water pump puley locked up
  357. Cutting open a oil Filter
  358. Sarasota, Fla.
  359. Big Center Console Project...SPEED Question
  360. nitriding trs gear sets
  361. a shaking 540 what the puck????????????
  362. Contact with Cooke!!!
  363. Got Merc 575SCi's? I have a question for ya.
  364. Mercury 525 EFI Steaming
  365. Bad Oil Pump?
  366. 572 GM conversion
  367. How much power would it take to make a 28 cig run 80mph?
  368. prochargers burning up pistons
  369. Boat Cover Mildew
  370. Slight miss?
  371. Compression Ratio???
  372. Engine Pre-Luber
  373. Fogging EFI engines
  374. ? Keith Eickert Dual Tach instructions
  375. help with drive service
  376. Small Block to Big Block??????
  377. How to calculate minimum air vent
  378. 454 stock head flow?
  379. Need wide -tip flathead
  380. Volvo 5.7 Gi DP upgrade options?
  381. 454 heads ?
  382. 502s merc owners
  383. Anyone Know
  384. solenoid....I think
  385. Changing Gears
  386. Anyone ever try...............
  387. 496HO pushrod length
  388. exhaust help can i run my pipes this way
  389. Difference between Bravo 1 and 1X gears
  390. Need #'s For Oil Filter And Oil
  391. OSO Tech Line Opinion
  392. Flo-Torq II whacker?
  393. HELP! Have Pair Racing Props Don't know what drive they fit
  394. fuel tank gauge
  395. Engine hatch will not go up
  396. Intercooler Boost
  397. Front Bearing failure on motor
  398. Number II speedmaster parts
  399. Scan results....need help
  400. Looking For Factory 496 Mercruiser Exhaust Hoses
  401. Don't laugh. . .
  402. hp500 rebuild, cheaper open stock head, or going with new?
  403. Merc Fuel Cooler ...
  404. Price for used Hydromotives?
  405. Please look at these
  406. Possible flooding of cylinders with fuel - calling on the OSO brain trust again...
  407. How to tell difference between heads?
  408. Calling Sb
  409. prop nut torque ??
  410. Trim gauge help.
  411. Payton - your cam comparisons
  412. Something every gear head would love
  413. Carbon Fiber 496/525 Coolant Reservoir
  414. Mercruiser 260 help
  415. bravo 1 problem
  416. 496 Engine malfunction warning due to sensors not connected?
  417. If your Whipple Blower belt breaks....
  418. Batteries keep draining / not recharging
  419. 26' panga 1,300 mi Bahamas/Caicos to NC
  420. Detnoation Problems
  421. panavac crankcase venting
  422. Corsa silent choice?
  423. 502 MPI idle speed
  424. clank, clank, clank...dead in the water!
  425. 38 Fountain setup
  426. 2005 350 mercruiser alarm question
  427. back fire/ miss ???
  428. what prop?
  429. 350 Mag goes into Guardian Mode - Help Please
  430. outdrive issues ?? prop..no work..??
  431. fiberglass gas tank ??
  432. Oil Filter might beat me
  433. bravo1 shifting problems
  434. Need a Merc crashbox manual.
  435. Tab & Trim Cable Replacement ?
  436. Question for you drive people
  437. Right RPM for cruising
  438. Need help with cooling schematic for 496
  439. Keeping an EFI fuel pump primed
  440. Mr. Gadgets Built me some Great Drives
  441. Nose Cone
  442. How To Bypass Omc Shift Assist???????
  443. UnderSide Engine Hatch
  444. How to change XR lower gears?
  445. Correct adhesive sealant for thru hull exhaust tip installation.
  446. GGB and Lofty - 2 of a kind
  447. Brad Penn oils...
  448. GOODT what is the deal?
  449. Anyone running this 509" combo?
  450. Lost 10 mph.Help
  451. 525's oil in coolant ??
  452. MEGASQUIRT injection...anybody used one??
  453. Oil Restricters ?
  454. Anyone got a diagram from mercruiser
  455. dead coils bbc
  456. Gen V Question
  457. Bravo 1 rebuild???
  458. Adjusting lifters 1/2 3/4 maybe more?
  459. replacement for Clarion marine stereo (big hole in dash)? Hopefully with XM?
  460. Electrical Rigging Question
  461. Imco silent choice replacement options
  462. Nooob, have a ??? alpha drive
  463. 496HO Scan Tool Where to Buy?
  464. porpusing problem
  465. HP 500 stock spark plug make and part #?
  466. Can you change a flywheel...
  467. Cam Specs on Merc 900's
  468. Too Lean?
  469. Compression on a 350 Magnum??? Anyone know?
  470. 500 Efi Whipple 2.3 Head ?
  471. Just what is Avaiation Grade oil?
  472. Say Thanks a simple thing to do for our Troops
  473. Can You See The Difference?
  474. Part Numbers
  475. Vortec 100 cc heads
  476. 525 cmi headers
  477. 502 efi
  478. Need stock torque specs for 502
  479. will hp500 valve cover fit on merlin heads?
  480. who wants to lend me a 496ho scan tool
  481. Oil change on fresh rebuild?
  482. IMCO Shorty and Maximus Question
  483. TRS Bellhouses?????
  484. mercruiser water pressure relief valve question
  485. Bow lifter VS Stern Lifter...Props
  486. Which prop should I use??
  487. Need Help
  488. can some one please help me identify this boat?
  489. Gaffrig Shifter Setup
  490. water pressure issue
  491. Winterize motors with Silent Choice
  492. drive trim /pump dosen't work correct
  493. Isky Springs & Manly Valves - Price?
  494. Drive Oil Leaking?
  495. Hey engine guys
  496. water in valve covers..but not on dipstick
  497. speedo not working?
  498. compression for blower motor
  499. Sutphen wiring diagram??
  500. U-joint damage?