View Full Version : General Q & A




  1. Kendall Oil in Merc 525
  2. Mercruiser Exhaust
  3. hydraulic lifter
  4. Bravo 1 supercede
  5. speed w/heavier outdrive oil
  6. Basic Engine Stuff
  7. Hey! Engine Guys! Question For You!
  8. Power Steering slop
  9. 540 C.I. project
  10. New motor won't line up
  11. water found in oil, any hope for engine?
  12. Coned Alpha lower?
  13. Engine Help...b4 I sink it on purpose
  14. Whipple intercooler two stage pump or off shore pick up??
  15. How much torque can a Bravo drive handle?
  16. My Exhaust project, help!
  17. Adjusting throttles???
  18. 454 Motor Trouble
  19. 7.4L aluminum intake replacement?
  20. Whipple SC blower surge on 502 mpi
  21. How to clear codes
  22. What is the gray wire with the....
  23. Help needed with drive choice
  24. Procharger install problems on 7.4 MPI 310HP
  25. busted inner cooler insert
  26. Prop-Lock "Keys" . . . .
  27. replacing Bravo fill bottles
  28. Spark plug torque?
  29. Trying to find correct coupler p/n
  30. 1990 baja 210ess with 7.4L specs
  31. What would I have if I took blower off 575sci
  32. 575 sci running rich
  33. Which OB injection oil to use?
  34. Small Block Chevy Camshaft Question
  35. converting from Tbi ti Mpfi
  36. reliabilty at .060" over, reversion
  37. Has anyone blown a 525 EFI Mercury piston?
  38. Oil pressure switch
  39. More TRS questions!
  40. 383 Max Compression Ratio ???
  41. Full throttle stumble
  42. 650 Cobra questions
  43. Looking for a sbc 434 race motor.
  44. Stainless Ubolt Backing Plates ....
  45. Voltage Drop (Battery Drain) ?
  46. Rebuild Morse controls?
  47. Mercruiser factory manuals?
  48. Shotgun silencers lost 200 RPM and 3MPH
  49. bravo 1 slipping while planning off
  50. Ever had a prop thrust washer break?
  51. engine alarm question for HP500 EFI experts
  52. Prop Slippage
  53. Water pump inlet/outlet
  54. Good High Speed Goggles
  55. Where to start?? Picking up an 85' sitti
  56. Bravo1 Noise
  57. Stiff steering
  58. Jabsco Water Puppy
  59. engine no spark
  60. Flame Arrestor
  61. Looking for info on guages
  62. Questions regarding a Stainless Marine exhaust swap!
  63. pulling a Mercruiser out question
  64. Beede Marine Gauges
  65. is this really a gen VI?
  66. Oil Temps?
  67. Stolen gas......
  68. changing hp500 carb'd intake, and they dont match, quick question
  69. Any Edelbrock Carb guru's here bouts?
  70. gear lube resevoir leak
  71. Trim limit switch
  72. TRS gears
  73. Stroke Me!!!
  74. Blackhawk to Bravo Conversion
  75. CMI Headers pros and cons
  76. Over Board water Dump, Performance ?
  77. outdrives for new purchase.
  78. 502 smoked a piston, need rotating assy.
  79. Impeller location 7.4 mpi
  80. quik question for ya
  81. tunnel boat insurance
  82. Low Gear Lube Resevoir
  83. Stupid Question
  84. Cam Specs needed
  85. Bearing Help. I Have Never Been This Stumped!
  86. Engine mount loose.. need Help
  87. Can you use high temp.....
  88. SeaRay vs. Larson
  89. V-8 Repower in Sea Ray Pachanga
  90. Dry Sump
  91. Chine walk...
  92. Milky oil
  93. changed prop and didnt change RPM???
  94. Custom Interiors
  95. Vinyl Graphics
  96. To all you tech`s out there...
  97. t-stat housing check balls???/
  98. B&M 420 Megablowers
  99. Is there a gasket that goes between....
  100. 7.4L cam
  101. Trim Sending Unit
  102. One new engine(540) won't idle
  103. 31' Sea Ray SS Performance 502 vs 496, Bravo lll Propeller Timing
  104. 502 efi with b&m blowers
  105. TRS Transom seal
  106. 1.8 RATIO & GUIDE PLATES question
  107. 575 SCi hyd lifter
  108. Gil manifold bolts ?? Where to purchase
  109. Another Bravo Drive Trim Question
  110. What stereo setup? cabin/cockpit spkr switch, wired remote...
  111. CMI Header install
  112. Average income for Mercruiser certifed tech
  113. Bilge Pump
  114. Engine Alignment...something don't look right
  115. Differences in TRS drives
  116. Water temperature spiking
  117. 177 Blower Boost
  118. alignment of twin bravo drives
  119. anybody have ph. no. or e mail address for Mel Riggs?
  120. 496 Mag SmartCraft Oil Temp Reading
  121. Ethanol, just not the real thing.
  122. turning my 454 mag into 525sc
  123. 502efi to 500 efi conversion
  124. Engine Swap, Tell Insurance Company?
  125. 1989 Baja 240 runs hot at high RPM's - help diagnos
  126. MSD distributor / Timing question
  127. V200 black max outboard..on leave.. need help
  128. Valves, Springs, Rocker Arms Prices?
  129. motor dimentions ?
  130. baja 240 sport trim tabs not working
  131. Will a 7:1 572" Work?
  132. Captains Call Question?
  133. Sea pump rebuild???
  134. Blower surge...
  135. External trim indicators I Need help
  136. Knock modules on Carb 305's
  137. Sucking sound from 500 EFI ???
  138. Pressure relief valve failure
  139. Trim pump and bypass pressure
  140. what felpro gasket for a hp500 intake?
  141. Gps
  142. What is the Comp ratio of a hp500?
  143. 32' V-Hull BOW LIFT PROBLEM - 598 BBC 600+ HP HELP OUCH
  144. Whats the problem with this MSD?
  145. Bravo I drive question
  146. Wiring info on sending units
  147. 496 HO and drive hiccup ??????
  148. Bravo I Vibration
  149. oil temps??
  150. 454 Mag MPI
  151. Lower unit
  152. 540 help
  153. Volvo Penta 5.0 won't run
  154. 1075 Merc----What Cam?
  155. Tachometer problem
  156. wellcraft excalibur
  157. pick up coil
  158. Electrical Question - what parts do I need?
  159. Help with motor build
  160. Best Place to buy a Gantry Crane
  161. #3 Speedmasters
  162. Spacer kit for Stainless Marine manifolds
  163. oil temp sender part number
  164. Longer Trim Tabs
  165. Dallas Area Mercruiser Mechanic
  166. Anyone need a Gaffrig fuel pressure sender?
  167. question about different drives
  168. Couger Boat Experience?
  169. Stupid trim tab question.
  170. fuel sending unit problem
  171. Vapor Lock Issue
  172. Procharged small block, boom.
  173. ATTN Service writers
  174. liberator boats
  175. Poor Water Flow At Start Up
  176. Teak-Cleaning
  177. Driving Techniques
  178. What length alternator v-belt do I need for a 350.....
  179. Do HP 500's ever........?
  180. Cam Specs on a stock 350 MPI
  181. Ford 460, oil pressure woo's
  182. Goodt
  183. Carb Cleaner
  184. Bravo Oil
  185. Bravo XR drive
  186. how much oil should i use?
  187. 6s and 1000s
  188. Trim sender switch
  189. Troubleshooting bennett trim tabs
  190. Drive help/advise needed
  191. Motor Compression Problems
  192. Trim indicator actuator?
  193. Interrupt switch part number
  194. Holley Fuel Pump Turning inlet Outlets
  195. blew a bravo 1, where can i get one??
  196. Best pulled motor times
  197. Oil Presure Problem
  198. HELP. New RPM AIR-GAP and hoses do not fit
  199. 460 Ford breaks up at high rpm.
  200. What RPM's (max) should I be turning with my 350 Magnums?
  201. 98 Fountain Fever Prop Ques.
  202. looking for some heads
  203. 1st time- sand in the sea strainer, making it sure it's right (now)
  204. Bravo I Drive Won't Trim
  205. Do I need to rebalance?
  206. what's the difference between 1998 500 EFI and 1998 502?
  207. chad hill ?
  208. Did I make a mistake?
  209. ZZ 502 Spark Plugs--- Help
  210. Drive Trim Help??
  211. Opinions on Max Worx Drives and Phaff Motors
  212. Carbed 454 Help Needed
  213. synthetic oil
  214. pulling drive question
  215. Swain Tech Coatings
  216. Seawater routing?
  217. What's the best way to flush out a holding tank?
  218. Marine Liubrication - The SHORT VERSION
  219. Need help with neighbor's boat overheating
  220. Pics of your toolbox!!!
  221. Blower Motors
  222. High Pressure Fuel Lines
  223. Thanks GOODT
  224. 525's oil in coolant
  225. Aftermarket efi for my motor
  226. New 502 is alot slower than my OLD 502??
  227. Right Angle (90 degrees) in exhaust
  228. What does this mean?
  229. How can you tell if a hull (Scorpion) is cored?
  230. real live licensed electrician needed
  231. mefi 3 ecm
  232. 496 Headers with Corsa Diverters
  233. X dimension ?
  234. Bravo 1 Gimbal ring cracks
  235. Revolution Marine - 240lb wieght savings!
  236. Oil cooler question
  237. KPM water pump problems??
  238. Drive Oil in Bilge
  239. weak fuel pump
  240. Push or pull?
  241. rubber exhaust "S" pipes
  242. Code 33
  243. Overheated Friday Night... How hot is too hot
  244. Canton 8 inch oil pan question
  245. still overheating
  246. Weird 330 problem
  247. Alpha Drive Question
  248. Milk on New 540s Oil Stick - Ideas?
  249. HELP!!! Pressure Checking Gil Mainifold???
  250. Motor Problems
  251. Bravo 1 outdrive help!!!
  252. Can't get the boat hot
  253. Who's got heads?
  254. XR stuck in reverse
  255. Low water pressure
  256. Over flowing Drive fluid
  257. intake manifold thremostat housing is cracked, can it be fixed?
  258. Should mechanic fix it?
  259. Motec CDI 8 - Offshore Marine Application
  260. Speed calculation formula
  261. Inter Coolers on a 575 Merc?
  262. Merc 250xs Info Needed
  263. Toe In / Toe Out ?????
  264. 7.4 Mpi
  265. Need Help Identifying Fuel Injector....
  266. Motor Mount Bolt(s)?
  267. Thank You !
  268. trs drive fluid
  269. who's responsible motor blew up
  270. Formula 312 Power Steering Set-up
  271. Hynautic Steering
  272. Need a new intercooler
  273. UH OH, Rubber Smell, Coupler?
  274. Oil pressure sender problems
  275. Adding a Prochager
  276. Black vent hose
  277. hp500 oil filter recommendation
  278. The Future of Marine Engines
  279. Pcm 555 Act Faults And How Gaurdian Reacts
  280. Old Bravo lower W/ new Bravo upper?
  281. fuel filter
  282. Replacing gimal bearing
  283. Phantom 25 rigging twin - soon there
  284. Looking for Merc 350 Magnum EFI.Covers
  285. Hydraulic steering installation question/problem?
  286. Stud Girdle or No Stud Girdle?
  287. The Truth About Your Dyno Test
  288. Trailer brake ??
  289. Help
  290. Oil Temperature
  291. warning light senders
  292. HELP!! Milky Foamy Sludge in Oil Filler???
  293. carb/jetting ? on 454mag
  294. 454 dipstick length?
  295. RPM Air-Gap compared to Performer RPM
  296. Bash Do You Have Info?
  297. Compression and pump gas
  298. Inconsistant Dyno readings
  299. Mercury 300 pro maX
  300. whipplecharged 500EFI looses RPM
  301. Any 300hp Yamaha Superboats 24
  302. outdrive u-joints
  303. 525SC jetting
  304. were to buy 3/8" stainless steel studs
  305. Garmin GPS chart for New Hampshire?
  306. To: Dave M or Dave N re PCM555 fault codes vs Rinda #94050m Mercruiser Scan Tool
  307. bravo 1
  308. Super chiller
  309. Procharger M3
  310. What price should I ask for 502 mpi parts?
  311. Questions, motor on Dyno
  312. trannie fluid capitacy
  313. Goodt
  314. Whay no Donzi on boattest.com???
  315. Installing Flush Cleats
  316. Livorsi E series mufflers
  317. Engine timing Help ?????
  318. 500 Efi Head
  319. poor idle hp carb 500
  320. cmi 5 inch sound elimination muffler
  321. 1999 454 MPI water temp too high
  322. Friction Control on MERC KIEKAFFER Throttles?
  323. Stainless marine exhaust gaskets ?????
  324. Dry Sump 6 gear oil question
  325. Would this be enough lift?
  326. another hard shifting bravo
  327. Moorse Controls
  328. 496 heat exchanger flush?
  329. 454 mag Serpentine belt part #
  330. battery banks
  331. Dyno - results with 540s
  332. 1.36 bravo 1
  333. 94 502 running problem?????? help!!! pos vapor lock???
  334. has anyone thought of...
  335. water pressure hose
  336. Valet Service or leave in the water?.
  337. procharger question
  338. Bravo one siezed????
  339. Battery Wiring Single Bank
  340. Can a MercII trans be replaced with a velvet drive trans???
  341. HP500 stalls when getting on a plain
  342. What's it worth?
  343. THe difference between 2 ingnition modules
  344. 525 efi water/fuel filter part #
  345. Best Trim Pump Caps?
  346. one engine-4500 other 5000 ?
  347. What size hose for thermostat bypass
  348. 330hp 59MPH @ 4600RPM?
  349. Getting engine back SAGA continues
  350. Silent Choice Exhaust question??
  351. Leaking Gear Lube
  352. High Oil Pressure
  353. alternator/charging question
  354. could someone please do me a favor
  355. 50# of water pressure
  356. What can cuase no oil pressure?
  357. Max rpm on a 525
  358. Oil Pump Question
  359. removing center engine
  360. Scorpion 377 Headders Power Gain?
  361. anyone have a thunderbolt IV laying around
  362. cracked or vapor
  363. Vapor Lock????
  364. Who Makes The Best Oil. Cooler I Need One
  365. Prop puller and steering questions...
  366. insta-trim plates for sale
  367. vapor lock??? HELP
  368. EFI wiring diagram 5.7 1996
  369. Prop pitch reduction for Lake Tahoe
  370. Water Pumps
  371. Plug Choice
  372. Mocal Oil Thermostat
  373. Double Piloted Check Valve help
  374. No OPA Pt Pleasant?
  375. New 38ZR What Power/Drive Should I Get?
  376. steering trouble ?
  377. Help Portland Or.
  378. 496 Ho Pvc?
  379. Looking for Turbulators
  380. anybody have a spare imco drive shower cap??
  381. HP500 EFI Water line size questions
  382. fuel tank pickups
  383. how big
  384. How fast should I be going?
  385. need part by tommorrow
  386. Totally Stumped, Engine Overheat Alarm
  387. Pivot Bushing Threads Stripped
  388. wiring diagrams for Keikafer trim pumps
  389. volt gauge reads......
  390. Kaama drive question.
  391. CMI's or keith ekert headers ???
  392. Putting an engine back in a boat....
  393. bravo 1 lower 2 bolts on transom
  394. Silicone on exhaust tips?
  395. Quick response needed, bias or radial?
  396. Hyd. helm
  397. Cracked block...NEED HELP!
  398. Filling a keikhaffer trim pump through dipstick???
  399. TP sensor, Resistance, Voltage
  400. Gaffrig Control Help?
  401. Prop Tourque Lbs????? Bravo One drive.
  402. HP500 Oil Pressure
  403. How to replace Flappers inside Exhaust Tips?
  404. Need help!!!! What do you think about this engine problem ???
  405. dana flow torque vs. imco power flow plus
  406. control part numbers?
  407. Mercruiser exhaust elbows
  408. Vacuum Leak
  409. GGB Muffler Failure
  410. Looking for Cloyes 9-3149A-5 or -10
  411. Rebuilding old black mercruiser hydraulic steering rams?
  412. n g k plugs
  413. Small Block Cam question
  414. hull coatings for speed
  415. All Tickie... no turnie
  416. Motor breaks up at WOT
  417. Photo shoot
  418. Anyone with BMax Drives?
  419. Need help with oil temp sensors
  420. Change to 1.8 rocker arms, what’s the increase in lift?
  421. Marine Stereo Expert in Jersey?
  422. Trs merc trans problems
  423. What Intake for a 502ci Carburated?
  424. pressure relief valve
  425. Sub Box Fabrication Question.........
  426. Anyone Run Vacuum Pump?
  427. Oil psi
  428. Belt Noise
  429. found - good source for marine wire, etc
  430. Warning Light Stays On
  431. installing new 496 sea water pumps
  432. Dry sump 6 question pleeease
  433. HiVolume-or- Hi pressure oil pump
  434. 496 ecm recalls ?
  435. Cam or Thru-Hulls--Did the site let me down?
  436. 502mpi / 502efi
  437. drive rebuild
  438. Sea Pump Disaster - Opinions Needed
  439. 2 Water Temp. senders?
  440. Mercruiser 502 Mag MPI Compression
  441. side mount control
  442. 496 ho oil leak
  443. 2-4-c versus special lub 101
  444. Anyone Know Who Can Work On A #5 In Nj
  445. Small amount of condensation on my oil filler cap? On 350 Mag engine
  446. Fabricated/Sheet Metal Valve Covers - Where to get some?
  447. BBC Intake: Performer vs. Torker II???
  448. Bleeding the hydraulic circuits for drives and tabs & steering?
  449. thermostat or no thermostat
  450. Marine Audio - Need some input
  451. electric fuel pump automatic shutoff?
  452. timing on a blower motor
  453. bravo issue
  454. 525SC mkIV?
  455. What temp thermostat for a 502?
  456. ventilated piston aka huge freekin hole!
  457. Changed Impellers, now temp gauge problem?
  458. Coast Guard Approved
  459. Mercruiser Drive reservoir overflow
  460. Whats the best marine radio. AM / FM Receiver.
  461. 502 Mpi Coil Failure?
  462. air out of steeringram
  463. Blower Heads World Merlin Oval Vs Rectangle
  464. Staggered engines?
  465. Drive problems
  466. Engine cranks but won't start, Safety Lanyard ?
  467. Drive ratios
  468. Oil Cap
  469. ALPHA vs BRAVO OUTDRIVE TRIM RAMS Q&A
  470. merc 165 water flows???
  471. Wtf
  472. Rev limiter needed for Merc wiring harness
  473. Dyno - what engine adjustments can be made?
  474. overheating
  475. IAC Valve 496 ho same as truck?
  476. Rev Limiter Change?
  477. Tachometer Gremlins !
  478. Thermostat change??
  479. Gaffrig GPS
  480. What is the correct water pressure
  481. Measuring For Tail Pipe Question
  482. 496HO Squeal
  483. how much total timing are you running on your na motors?
  484. BRAVO & ALPHA MERCRUISER OUTDRIVE TRIM RAMS
  485. Boat Detailer So Cal...
  486. Help, won't rev beyond 2900rpm
  487. Repossesing engine parts from marine mechanic
  488. Torque table HP500efi
  489. Need block
  490. Hole in #6 piston 502 EFI
  491. Flushing Salt water- 5 day trip to FWB
  492. Will 1 Weak Engine Hold Back The Other ??
  493. Anyone Know What The Prop Torque Is On A #5
  494. Dry exhaust water dump fittings and placement help.....
  495. SPARK PLUG suggestions...
  496. 97 502/415 Cam Change
  497. 97 502/415 Cam Change
  498. 525 w/cracked headers
  499. What can you tell me about this small block?
  500. Spinning in or out