View Full Version : General Q & A




  1. One down and one to go
  2. How to decarbon pistons
  3. 496 MAG whine/howl/whistle noise?
  4. Please help an electrical idiot (battery rewire)
  5. 1994 454mag conversion to newer MPI???
  6. prop help
  7. Tach jumps at hi RPMS. HELP!
  8. Need a TRS trans end universal joint yoke
  9. Bravo 3X Stern Drive Help
  10. Sea water pump
  11. Black Carbon Plugs
  12. Smartcraft Code reader?
  13. B&M 174 / WEAIND 177 WITH D.U.I. (HEI).WILL IT FIT?
  14. 454 magnum power loss between 2000-4000rpms
  15. Does anyone still sell a 502 Mercruiser carb engine?
  16. Timing setting with a decent cam..
  17. pro charger
  18. 454 mag rebuild question
  19. EFI over fueling.
  20. Strange noises
  21. Hard to crank over when warm (heat soak?)
  22. Water in oil... Again and again and again and again....
  23. Drive oil disapearing. Need advise
  24. Drive Fluid in Bilge
  25. trim on one drive not staying trimmed
  26. Fast fuel injection
  27. Handling Problem!
  28. Carpet Connections
  29. Upper Cylinder and Injector Lube
  30. Engine alarm problem.
  31. EGT reading weird
  32. Timing setting for a 454???
  33. XR prop
  34. CMI sound choice tailpipe set need help or new wife.
  35. Decisions Decisions
  36. TRS Rebuild Kit?
  37. 4150 adapted to 4500 Intake?
  38. Header bolts
  39. Carb idle adjustment ? DEMON
  40. steering alignment over 40mph
  41. 496 HO engine trouble - calling [email protected]
  42. Oil Capacity
  43. Lost shift ability on starboard motor????
  44. first water test. (help)
  45. slow to get on plane
  46. Billet Anodized Sea Water Pumps
  47. Removing risers
  48. Oil Still Too Warm....ideas??
  49. Water Pressure Gauge
  50. Water Pressure Gauge
  51. Particles in Bravo 1 Drive Oil ?
  52. Change Exh. Tips, Yes or No
  53. 496 mag 496 mag ho
  54. Going rate of pay for marine mechanic?
  55. Spun a bearing! How do I check to see if oil line are hooked up correct
  56. Merc Certified mechanic?
  57. trs drives what are they worth???
  58. Torco race fuel concentrate???
  59. crane hi-6s with mercruiser ignition
  60. 496 mag ho sea pump impeller question?
  61. prop work
  62. 502 EFI MPI MPI/EFI-what did they make?
  63. Outdrive leaking down.
  64. No oil to filter or cooler???
  65. who had the 16" Aluminum MYCO wheels on OBAY
  66. Morse helm control question
  67. No oil to Cooler or Filter??
  68. Why higher oil pressure
  69. Deep Cycle Batteries & Mercruiser Engines
  70. What do you guys think of this?
  71. Who can fix my BRAND NEW SEA DEMON
  72. drive saver
  73. Fuel gage problem???
  74. Can Someone Run This Number For Me
  75. hp500 timing (how to set)
  76. 496 Cam Question
  77. turbo charger question
  78. K&N breather tubes
  79. Mesa Racing Engines Latest Project
  80. Audio help!
  81. Gen 5 Short Block
  82. Raylar review - HotBoat Magazine
  83. what type of hose fitting is this?
  84. Bravo I Shifter Cable Part #
  85. Will a double roller timing chain fit under the timing cover on a 454 Gen V?
  86. charging system problems
  87. Best Place to buy Merlin blocks 588CI?
  88. Have wobble in drive, Saginaw to Brazil control valve swap
  89. wanted: drew marine mufflers & stabilizer
  90. Lifting boat with full tank of gas??
  91. Bravo XR Dual Water Pickup ???
  92. Best $18.94 oil and filter change....
  93. 4 x 4.5 Exhaust Adaptor
  94. comparing exhaust -headers vs cast manifolds
  95. Modifying lightning headers to reduce reversion
  96. Fuel Pump???
  97. Trim Pump Problem--Ideas?
  98. 105octane AV gas
  99. 2001 500hp
  100. Recharge Halon?
  101. Turbulator Location?
  102. Another Round for CAM help
  103. To Start on stand?
  104. Anybody having problems with water pickup
  105. $1000 Loan Today without a Credit Check!
  106. Anybody having problems with water pickup
  107. hp 500 valve springs
  108. HP 500 Ignition Module -failure
  109. Volvo mills
  110. manual choke cable
  111. Fuel pressure problems.... Questions....
  112. Cable Replace
  113. Back pressure/baffle? what would you do?
  114. New Eddie Marine Catalog
  115. motor will not start
  116. Modifying a stock 454/502 mpi intake
  117. 500 EFI's coil and wires?
  118. Adjusting Morse 33c cables
  119. MPI motors quit at 2800rpm, HELP!
  120. oil cooler too small?
  121. Slight vibration -Checking Bravo U-joint?
  122. running on the hose - FYI
  123. Prop Guru's
  124. help...blower surge
  125. Cooling problem
  126. Need blower pulley asap
  127. Trashed Engine?
  128. bravo I shifting problem...
  129. Prop question
  130. flushing my pachanga
  131. MSD ignition systems
  132. TRS upper drive gears?
  133. Two stage Eickert sea pump
  134. 731-741 or 502/502 cam?
  135. 2003 merc 300x's w/sport lowers.
  136. Need some help
  137. Outdrive Help Needed
  138. Can You Identify the Year of these Merc OBs?
  139. What Amsoil product is the best??
  140. Who Makes Custom Windshields?
  141. 5 stage dry sump oil system
  142. bravo drive?
  143. Trim Cylinder--Bravo Cyl's on TRS Drives
  144. Silent Choice Installation questions
  145. Dr. Kobrin..... The birth of Mobil-1
  146. T Bolt distributer caps.
  147. TRS reservoir
  148. Rocker Arm Bolt comes loose, ever happen to you
  149. #4 vs #5 Outdrives?
  150. need some opions
  151. bolt torque?
  152. On the Dyno today
  153. Best Polishes
  154. INFO NEEDED: Head "Wedges"
  155. Exhaust spacer/plate??? Is this possible?
  156. Fuel pump loosing prime ??
  157. 575SCi cam question
  158. Vertical Trim Indicators
  159. drilled a hole and some water came out?
  160. Bravo shaft size and spline?
  161. bravo 3 problem
  162. Active Thunder Extension box, Prop, Listing to port?
  163. Tech Tip - ADJUSTING THE VALVE TRAIN
  164. Tech Tip - VALVE TIMING
  165. Setting pinion bearing preload
  166. 7.4mpi (400hrs) Value$$??????
  167. Tech Tip - DEGREEING THE CAMSHAFT
  168. Tech Tip - PUSHROD LENGTH AND ROCKER ARM GEOMETRY
  169. Tech Tip - THE IMPORTANCE OF PROPER ROD BOLT STRETCH/TORQUE
  170. exhaust hose
  171. Lathem website
  172. air gap intake hose
  173. What's around your crank?
  174. Drive question
  175. trim help
  176. Prop install / assembly
  177. Resistor spark plugs and afr heads?
  178. Roll Off for boat Vinyl...?
  179. Does anyone know what size bolt...
  180. shop air compressor lines
  181. Bravo upper gear failure?
  182. Another valve spring question....
  183. hp525 efi spark plugs??????????
  184. Power steering ? w/ external ram!
  185. head gaskets
  186. oil temps where is good?
  187. 575SCi oil leak? FOUND!!!!
  188. mercruiser water flow diagram
  189. hour meter install?
  190. Low Water Temp?
  191. last question before assembly
  192. Is It Safe?
  193. Installing Merc #3 Drives - HELP
  194. Billet Drive Caps
  195. bravo question
  196. Oil filter for 1996 merc 450 hp question
  197. Bravo gimbal bearing and MPH loss
  198. Procedure for setting timing on 502 MPI?
  199. Help with Cam Choice PLEASE!!!!
  200. Engine mounting
  201. Torque dropping off?
  202. Gen V & VI chevy rear main seal
  203. outdrive original stickers Merc
  204. Hp 500
  205. Corsa Muffler Tips Are They To Quiet.
  206. What are best Bilge Pump/Swich Combos?
  207. Hyd. roller set up.
  208. how to switch from trs to bravo
  209. Chicago area engine builders?
  210. 454 mag rebuild options
  211. nose cone repair
  212. Throttle-up's Prop Testing Program
  213. What carb came on 420 HP Engine?
  214. Foot lbs torque 525sc
  215. No drain plug on bravo 1?
  216. Outdrive clanking??
  217. STARTER HELP, look at this!
  218. 1999 502 mpi low fuel pressure help needed.
  219. Blown upper gear set.....Friday the 13th
  220. Truck engine to marine
  221. Engine help needed
  222. American Offshore 26' NSX help.
  223. MSD Ignition 6M-2 Box
  224. Pilot error?
  225. 100 Octane?
  226. Trim Tab won't come up
  227. Spark Plug Gap.... SBC
  228. 97 Formula SS 33'
  229. 575SCi oil leak? Are they common? Anyone ever have one?
  230. Help with Trim Indicator bracket
  231. What's this thing in my bilge?
  232. Bennet tabs switch wiring diagram
  233. Optima red top won't charge
  234. silent choice question ?
  235. Oildyne Trim Pump Help
  236. Who has the best price
  237. Need help buying a 4L80E GM Transmission
  238. electrical problems
  239. 502 problems! please help!!
  240. Mercruiser 500hp initial timing
  241. prop shaft
  242. What oil should I use for my 454
  243. Installing distributor
  244. I did it.
  245. New engines and power output
  246. Engine breaking up
  247. Outdrive dropping overnight
  248. Buying a SEA DEMON this weekend, what one?
  249. Raw Water Pump Impeller Swap
  250. 8.1 Engine dropped and head bolts snapped???
  251. Mark IV Block Question: How big can I go???
  252. engine burned down
  253. I need a holding reservoir for closed cooling
  254. 1990 Hp 465
  255. trs alignment help,
  256. adjustable collar distributor for 900sc
  257. Removing ECM from computer...back to Whipple
  258. Tab Mounting
  259. which carb adaptor
  260. wingplate stud supplier
  261. Gen VI IGNITION CONTROL MODULE
  262. Hot water shower where to hook up after procharger install??
  263. Mechanical Midget - carbs
  264. Port Matching 502 MPI Intake
  265. Bravo Props Interchangeable With Trs Props?
  266. Limit and Trim Switch Install
  267. Compression? Does this sound right?
  268. Tuning on a procharged 502
  269. what oil
  270. whippled 525's
  271. Sealiing/tightening HYD steering fittings
  272. 7.4mpi rebuild to 454MAG
  273. Determining crankshaft centre-line
  274. Oil Temp
  275. drive identification
  276. How much for 502 long blocks
  277. Rebuild of 502MAG's........how much?
  278. 502 mpi temp?
  279. Vinly repair north jersey
  280. Tail pipe gaskets
  281. Holley 250 POWERCHARGER EFI 502 MPI Blower
  282. Spark Plugs
  283. Vacuum Leak?Or what?
  284. BravoIII XR vs Bravo I XR
  285. ext. transducer
  286. EFI Gurus wanted
  287. Carb Question
  288. Potential issues???
  289. Any good books/guides on electrical wiring?
  290. Bravo trim cylinder anodes
  291. Help, what carb would you pick?
  292. plug gapping
  293. Help with Head Gasket water passages
  294. does a 7.4mpi rev-limiter?
  295. 7.4mpi oil temp?
  296. What should it cost ?
  297. 575sc Questions
  298. Mercruiser diagrams
  299. fuel leaking out my breathers.
  300. Pumps for 280 KPlanes
  301. Weak trim pump
  302. Bravo Gimbal Tricks
  303. Set Timing?
  304. vintage outdrive question
  305. Procharger head and intake gasket up grades
  306. Is there a good solution for getting rid of my milkshake oil
  307. Dual Carbs vs MPI on Blown motor?????
  308. Merc Mechanic Lake Hartwell Sc
  309. Wiring a battery switch
  310. Changed circ pump - Scaling in water passages?
  311. Best distributor that fits Dart tunnel ram?
  312. Water Temp To Low ???????
  313. Fuel gauge
  314. Is This The Right Cam For Me?
  315. brake calipers and pads wearing into the hubs
  316. Timing chain and gears
  317. X-Dimension?? High or low what is faster
  318. Need intake manaifold
  319. Need TRS trim cylinders
  320. Did anyone ever have this happen to them?
  321. MDG Performance feedback.
  322. 7.4mpi octane required?
  323. Max HP/RPM for stock cool fuel??
  324. Imco 2 Inch Shorties
  325. Replacing K-plane indicator cable ?
  326. Prop Shaft Protector
  327. Twin, fuel pump, regulator, return line ?
  328. 600SCi upgrades
  329. What's flow got to do with it. . . . . . .
  330. Outdrive GURU's ????
  331. Bravo One oil leak- Help!
  332. Spare Prop Holder
  333. Trim pump problems / Slow To No UP
  334. compression ratio
  335. After Market Oil Coolers
  336. Need Advice: 3.3 Whipple or Quad Rotor for 557CI
  337. paging houston prop
  338. Holley 4 corner idle
  339. Changing Merc Si Choice Diverters
  340. B&M 250 Pulley
  341. I've had some request to post the Camaro so here you go
  342. We Got ON The Dyno Saturday
  343. 7.4mpi STALL?
  344. Replace Merc 5.7 L with GM crate
  345. Adjusting throttle cables
  346. blown head gasket
  347. blown head gasket
  348. Which Oil Pump ~ Hi Volume or STD.?
  349. Gen IV LS6 Heads
  350. Edelbrock Heads
  351. 525 SC motors
  352. Alpha leaking oil
  353. Push rod length checkers??
  354. Roller Rocker tips on 502 GVI
  355. GPS vs. Compass
  356. Gil Manifold
  357. Which First - Full Hyd or Tabs???
  358. Piston ring end gap
  359. I need to add a couple ounces of gear lube, can I do it from the top vent?
  360. OK to switch to synthetic lube in old bravo??
  361. Changing Exhaust Riser Gasket
  362. F350
  363. KAMMA Parts
  364. 1998 454 Mag Engine Scanning
  365. Engine Break In
  366. Max Battery Cable Length?
  367. Hose water pressure when flushing
  368. Truck question
  369. What Oil Filter on 500hp carb?
  370. Anyone know where i can find this???
  371. Deep cycle batteries vs. Marine Batteries
  372. gaffrig tach accuracy
  373. A friend of mine's boat...
  374. How accurate are GAFFRIG SPEEDO'S
  375. Carnage.... #1 u joint and outer belhousing
  376. Shake Down Run, Motor Backfireing at 3200rpms (Whats Wrong??)
  377. Throttle-Up Does It Again....
  378. Bravo rating
  379. Houston, I think we have a problem...
  380. SSM III Transom assemblies are interchangeable
  381. Throttle Cables - who makes the best?
  382. Piston Choice- hypereutectic vs. forged
  383. DUI distributor and rev limiters?
  384. Hp 525 And A Whipple
  385. Full hydraulic install - removal of old system
  386. Best place for 502 short block
  387. 7.4 mpi SMALL HP INCREASE?
  388. Livorsi drive or tab guage
  389. Setting the Base Timing on a 502MPI
  390. Just popped a cylinder - go for stroker?
  391. carb setup opinions wanted
  392. Pros/Cons/Details - full vs add-on hydraulic steering
  393. jaws 24
  394. Cleaning neglected aluminum wheels??
  395. Bravo 1 shift cable is bound up
  396. 22' / 23' Boat and tabs
  397. What's the difference between the Xr and Xz
  398. 454mpi vs 6.2??????
  399. cc of small oval part heads
  400. 575SCI blower oil change.
  401. Temp sending units
  402. HP500 merc/dart intake fitment?
  403. Sender resistance values (merc compatible)
  404. Merc Alien Cowls
  405. Loose screw fix, HEY BRS what was your fix?
  406. A couple of questions
  407. Does any one have a set of fuel injectors?
  408. Need new throttles
  409. 500hp gauge readings
  410. Belt numbers for 1994 454 mag carb??
  411. Installing Lectrasan need some tech suggestions
  412. Will Hydralic valve lifters too tight affect oil pressure
  413. Hello engine builders, I need a little help.
  414. Smartcraft beeps
  415. will not trim up?
  416. Who makes those combo guages?
  417. Power Steering squeals
  418. hp 525 leak?
  419. Trailer winch with 3" drum?
  420. transom thickness
  421. Valve guide clearance...Is there a..
  422. kaama exhaust silencer
  423. Fuel sender HELP
  424. Depth Finders
  425. Weak rocker studs?????
  426. Bravo One speedo plugged
  427. 454 rebuild complete
  428. The OSO Dyno Room
  429. Mirroring enging hatch
  430. Need forged pistons for 454 .030 oversize
  431. 502mag Vs 454mag Efi
  432. 8.8 or 9.5 CR
  433. Using Alcohol To Replace Gas????
  434. new engine going in - need prop
  435. Paging Dave N
  436. Merc 900sc
  437. Formual 400SS-502, 500HP, 500EFI, Volvo 8.2
  438. HOW do you zero trim tabs ???
  439. re-power 2 cents worth
  440. Bravo One pitot blocked
  441. Need comments on engine pic...
  442. Mounting Tabs
  443. Roller lifters input
  444. Carpet glue
  445. Does cool fuel cool supply or return??
  446. "Crate Engines"--What are they/What's Special
  447. Replacement Merc air cleaners
  448. Removal of 496HO restriction plates
  449. Stainless Marine
  450. How to Build 500hp from a 454/420hp?
  451. Cracked Trim Pump Reservoir
  452. Installing Water Thermostats
  453. 6.2mpi upgrades
  454. Raising your X....
  455. measuring "standard Bravo exits"
  456. Fixing chips in drives?
  457. Lean condition. Q-jet help needed.
  458. 351W Rebuild..... injectors, lower intake, etc.
  459. Head Gasket Thickness?
  460. Rubber bushing for nose of Bravo 1 drive
  461. A special thanks to Throttle Up
  462. Mesa delivers Otis Tiger
  463. 30 foot mariah lists to the right.....
  464. Merc. 502 rev limit?
  465. Lightning Headers on a 502 efi?
  466. Swivel shaft seal
  467. Fuel filter?
  468. STARTER MAKING "LOW CYLINDER" SOUND?
  469. Switch wiring question
  470. 454 Mag Carb Vs. 7.4l Efi
  471. What are you using for a drive oil pump?
  472. What weight oil
  473. Calling all gear heads! 496 stroker build up.
  474. B/W 72C parts
  475. Drive Gear Ratio, what to run with added H.P. ???
  476. Torque on 540 and 572 ci
  477. TRS Lower Drive Blueprint
  478. proform distibutors ???
  479. Blowers And Carbs-should I
  480. Are Gen V and Gen VI bbc flywheels interechangeable?
  481. 1996 7.4 LX EFI motors - background and details?
  482. Oil lines, what's what?
  483. alpha outdrive 1987
  484. Jet Dock
  485. rev limiter?
  486. quadrajet choke?
  487. CMI header leaks
  488. Almost Sunk and Burned Up My Boat Yesterday
  489. 496 HO Water Temp and Water PSI?
  490. Amp draw
  491. Will Gen 6 bbc heads work on a gen 4 block
  492. CMI tailpipe questions
  493. Hatch quick disconnect
  494. glove boxes for sale??
  495. Cig pulls left
  496. Gasket sets
  497. drive paint
  498. Has anyone been able to remote a light or horn from the stock Merc knock sensor?
  499. Do prochargers make noise @ idle?
  500. hp500 efi cam with b+m 420 mega blower