View Full Version : General Q & A




  1. Impeller location 7.4 mpi
  2. quik question for ya
  3. tunnel boat insurance
  4. Low Gear Lube Resevoir
  5. Stupid Question
  6. Cam Specs needed
  7. Bearing Help. I Have Never Been This Stumped!
  8. Engine mount loose.. need Help
  9. Can you use high temp.....
  10. SeaRay vs. Larson
  11. V-8 Repower in Sea Ray Pachanga
  12. Dry Sump
  13. Chine walk...
  14. Milky oil
  15. changed prop and didnt change RPM???
  16. Custom Interiors
  17. Vinyl Graphics
  18. To all you tech`s out there...
  19. t-stat housing check balls???/
  20. B&M 420 Megablowers
  21. Is there a gasket that goes between....
  22. 7.4L cam
  23. Trim Sending Unit
  24. One new engine(540) won't idle
  25. 31' Sea Ray SS Performance 502 vs 496, Bravo lll Propeller Timing
  26. 502 efi with b&m blowers
  27. TRS Transom seal
  28. 1.8 RATIO & GUIDE PLATES question
  29. 575 SCi hyd lifter
  30. Gil manifold bolts ?? Where to purchase
  31. Another Bravo Drive Trim Question
  32. What stereo setup? cabin/cockpit spkr switch, wired remote...
  33. CMI Header install
  34. Average income for Mercruiser certifed tech
  35. Bilge Pump
  36. Engine Alignment...something don't look right
  37. Differences in TRS drives
  38. Water temperature spiking
  39. 177 Blower Boost
  40. alignment of twin bravo drives
  41. anybody have ph. no. or e mail address for Mel Riggs?
  42. 496 Mag SmartCraft Oil Temp Reading
  43. Ethanol, just not the real thing.
  44. turning my 454 mag into 525sc
  45. 502efi to 500 efi conversion
  46. Engine Swap, Tell Insurance Company?
  47. 1989 Baja 240 runs hot at high RPM's - help diagnos
  48. MSD distributor / Timing question
  49. V200 black max outboard..on leave.. need help
  50. Valves, Springs, Rocker Arms Prices?
  51. motor dimentions ?
  52. baja 240 sport trim tabs not working
  53. Will a 7:1 572" Work?
  54. Captains Call Question?
  55. Sea pump rebuild???
  56. Blower surge...
  57. External trim indicators I Need help
  58. Knock modules on Carb 305's
  59. Sucking sound from 500 EFI ???
  60. Pressure relief valve failure
  61. Trim pump and bypass pressure
  62. what felpro gasket for a hp500 intake?
  63. Gps
  64. What is the Comp ratio of a hp500?
  65. 32' V-Hull BOW LIFT PROBLEM - 598 BBC 600+ HP HELP OUCH
  66. Whats the problem with this MSD?
  67. Bravo I drive question
  68. Wiring info on sending units
  69. 496 HO and drive hiccup ??????
  70. Bravo I Vibration
  71. oil temps??
  72. 454 Mag MPI
  73. Lower unit
  74. 540 help
  75. Volvo Penta 5.0 won't run
  76. 1075 Merc----What Cam?
  77. Tachometer problem
  78. wellcraft excalibur
  79. pick up coil
  80. Electrical Question - what parts do I need?
  81. Help with motor build
  82. Best Place to buy a Gantry Crane
  83. #3 Speedmasters
  84. Spacer kit for Stainless Marine manifolds
  85. oil temp sender part number
  86. Longer Trim Tabs
  87. Dallas Area Mercruiser Mechanic
  88. Anyone need a Gaffrig fuel pressure sender?
  89. question about different drives
  90. Couger Boat Experience?
  91. Stupid trim tab question.
  92. fuel sending unit problem
  93. Vapor Lock Issue
  94. Procharged small block, boom.
  95. ATTN Service writers
  96. liberator boats
  97. Poor Water Flow At Start Up
  98. Teak-Cleaning
  99. Driving Techniques
  100. What length alternator v-belt do I need for a 350.....
  101. Do HP 500's ever........?
  102. Cam Specs on a stock 350 MPI
  103. Ford 460, oil pressure woo's
  104. Goodt
  105. Carb Cleaner
  106. Bravo Oil
  107. Bravo XR drive
  108. how much oil should i use?
  109. 6s and 1000s
  110. Trim sender switch
  111. Troubleshooting bennett trim tabs
  112. Drive help/advise needed
  113. Motor Compression Problems
  114. Trim indicator actuator?
  115. Interrupt switch part number
  116. Holley Fuel Pump Turning inlet Outlets
  117. blew a bravo 1, where can i get one??
  118. Best pulled motor times
  119. Oil Presure Problem
  120. HELP. New RPM AIR-GAP and hoses do not fit
  121. 460 Ford breaks up at high rpm.
  122. What RPM's (max) should I be turning with my 350 Magnums?
  123. 98 Fountain Fever Prop Ques.
  124. looking for some heads
  125. 1st time- sand in the sea strainer, making it sure it's right (now)
  126. Bravo I Drive Won't Trim
  127. Do I need to rebalance?
  128. what's the difference between 1998 500 EFI and 1998 502?
  129. chad hill ?
  130. Did I make a mistake?
  131. ZZ 502 Spark Plugs--- Help
  132. Drive Trim Help??
  133. Opinions on Max Worx Drives and Phaff Motors
  134. Carbed 454 Help Needed
  135. synthetic oil
  136. pulling drive question
  137. Swain Tech Coatings
  138. Seawater routing?
  139. What's the best way to flush out a holding tank?
  140. Marine Liubrication - The SHORT VERSION
  141. Need help with neighbor's boat overheating
  142. Pics of your toolbox!!!
  143. Blower Motors
  144. High Pressure Fuel Lines
  145. Thanks GOODT
  146. 525's oil in coolant
  147. Aftermarket efi for my motor
  148. New 502 is alot slower than my OLD 502??
  149. Right Angle (90 degrees) in exhaust
  150. What does this mean?
  151. How can you tell if a hull (Scorpion) is cored?
  152. real live licensed electrician needed
  153. mefi 3 ecm
  154. 496 Headers with Corsa Diverters
  155. X dimension ?
  156. Bravo 1 Gimbal ring cracks
  157. Revolution Marine - 240lb wieght savings!
  158. Oil cooler question
  159. KPM water pump problems??
  160. Drive Oil in Bilge
  161. weak fuel pump
  162. Push or pull?
  163. rubber exhaust "S" pipes
  164. Code 33
  165. Overheated Friday Night... How hot is too hot
  166. Canton 8 inch oil pan question
  167. still overheating
  168. Weird 330 problem
  169. Alpha Drive Question
  170. Milk on New 540s Oil Stick - Ideas?
  171. HELP!!! Pressure Checking Gil Mainifold???
  172. Motor Problems
  173. Bravo 1 outdrive help!!!
  174. Can't get the boat hot
  175. Who's got heads?
  176. XR stuck in reverse
  177. Low water pressure
  178. Over flowing Drive fluid
  179. intake manifold thremostat housing is cracked, can it be fixed?
  180. Should mechanic fix it?
  181. Motec CDI 8 - Offshore Marine Application
  182. Speed calculation formula
  183. Inter Coolers on a 575 Merc?
  184. Merc 250xs Info Needed
  185. Toe In / Toe Out ?????
  186. 7.4 Mpi
  187. Need Help Identifying Fuel Injector....
  188. Motor Mount Bolt(s)?
  189. Thank You !
  190. trs drive fluid
  191. who's responsible motor blew up
  192. Formula 312 Power Steering Set-up
  193. Hynautic Steering
  194. Need a new intercooler
  195. UH OH, Rubber Smell, Coupler?
  196. Oil pressure sender problems
  197. Adding a Prochager
  198. Black vent hose
  199. hp500 oil filter recommendation
  200. The Future of Marine Engines
  201. Pcm 555 Act Faults And How Gaurdian Reacts
  202. Old Bravo lower W/ new Bravo upper?
  203. fuel filter
  204. Replacing gimal bearing
  205. Phantom 25 rigging twin - soon there
  206. Looking for Merc 350 Magnum EFI.Covers
  207. Hydraulic steering installation question/problem?
  208. Stud Girdle or No Stud Girdle?
  209. The Truth About Your Dyno Test
  210. Trailer brake ??
  211. Help
  212. Oil Temperature
  213. warning light senders
  214. HELP!! Milky Foamy Sludge in Oil Filler???
  215. carb/jetting ? on 454mag
  216. 454 dipstick length?
  217. RPM Air-Gap compared to Performer RPM
  218. Bash Do You Have Info?
  219. Compression and pump gas
  220. Inconsistant Dyno readings
  221. Mercury 300 pro maX
  222. whipplecharged 500EFI looses RPM
  223. Any 300hp Yamaha Superboats 24
  224. outdrive u-joints
  225. 525SC jetting
  226. were to buy 3/8" stainless steel studs
  227. Garmin GPS chart for New Hampshire?
  228. To: Dave M or Dave N re PCM555 fault codes vs Rinda #94050m Mercruiser Scan Tool
  229. bravo 1
  230. Super chiller
  231. Procharger M3
  232. What price should I ask for 502 mpi parts?
  233. Questions, motor on Dyno
  234. trannie fluid capitacy
  235. Goodt
  236. Whay no Donzi on boattest.com???
  237. Installing Flush Cleats
  238. Livorsi E series mufflers
  239. Engine timing Help ?????
  240. 500 Efi Head
  241. poor idle hp carb 500
  242. cmi 5 inch sound elimination muffler
  243. 1999 454 MPI water temp too high
  244. Friction Control on MERC KIEKAFFER Throttles?
  245. Stainless marine exhaust gaskets ?????
  246. Dry Sump 6 gear oil question
  247. Would this be enough lift?
  248. another hard shifting bravo
  249. Moorse Controls
  250. 496 heat exchanger flush?
  251. 454 mag Serpentine belt part #
  252. battery banks
  253. Dyno - results with 540s
  254. 1.36 bravo 1
  255. 94 502 running problem?????? help!!! pos vapor lock???
  256. has anyone thought of...
  257. water pressure hose
  258. Valet Service or leave in the water?.
  259. procharger question
  260. Bravo one siezed????
  261. Battery Wiring Single Bank
  262. Can a MercII trans be replaced with a velvet drive trans???
  263. HP500 stalls when getting on a plain
  264. What's it worth?
  265. THe difference between 2 ingnition modules
  266. 525 efi water/fuel filter part #
  267. Best Trim Pump Caps?
  268. one engine-4500 other 5000 ?
  269. What size hose for thermostat bypass
  270. 330hp 59MPH @ 4600RPM?
  271. Getting engine back SAGA continues
  272. Silent Choice Exhaust question??
  273. Leaking Gear Lube
  274. High Oil Pressure
  275. alternator/charging question
  276. could someone please do me a favor
  277. 50# of water pressure
  278. What can cuase no oil pressure?
  279. Max rpm on a 525
  280. Oil Pump Question
  281. removing center engine
  282. Scorpion 377 Headders Power Gain?
  283. anyone have a thunderbolt IV laying around
  284. cracked or vapor
  285. Vapor Lock????
  286. Who Makes The Best Oil. Cooler I Need One
  287. Prop puller and steering questions...
  288. insta-trim plates for sale
  289. vapor lock??? HELP
  290. EFI wiring diagram 5.7 1996
  291. Prop pitch reduction for Lake Tahoe
  292. Water Pumps
  293. Plug Choice
  294. Mocal Oil Thermostat
  295. Double Piloted Check Valve help
  296. No OPA Pt Pleasant?
  297. New 38ZR What Power/Drive Should I Get?
  298. steering trouble ?
  299. Help Portland Or.
  300. 496 Ho Pvc?
  301. Looking for Turbulators
  302. anybody have a spare imco drive shower cap??
  303. HP500 EFI Water line size questions
  304. fuel tank pickups
  305. how big
  306. How fast should I be going?
  307. need part by tommorrow
  308. Totally Stumped, Engine Overheat Alarm
  309. Pivot Bushing Threads Stripped
  310. wiring diagrams for Keikafer trim pumps
  311. volt gauge reads......
  312. Kaama drive question.
  313. CMI's or keith ekert headers ???
  314. Putting an engine back in a boat....
  315. bravo 1 lower 2 bolts on transom
  316. Silicone on exhaust tips?
  317. Quick response needed, bias or radial?
  318. Hyd. helm
  319. Cracked block...NEED HELP!
  320. Filling a keikhaffer trim pump through dipstick???
  321. TP sensor, Resistance, Voltage
  322. Gaffrig Control Help?
  323. Prop Tourque Lbs????? Bravo One drive.
  324. HP500 Oil Pressure
  325. How to replace Flappers inside Exhaust Tips?
  326. Need help!!!! What do you think about this engine problem ???
  327. dana flow torque vs. imco power flow plus
  328. control part numbers?
  329. Mercruiser exhaust elbows
  330. Vacuum Leak
  331. GGB Muffler Failure
  332. Looking for Cloyes 9-3149A-5 or -10
  333. Rebuilding old black mercruiser hydraulic steering rams?
  334. n g k plugs
  335. Small Block Cam question
  336. hull coatings for speed
  337. All Tickie... no turnie
  338. Motor breaks up at WOT
  339. Photo shoot
  340. Anyone with BMax Drives?
  341. Need help with oil temp sensors
  342. Change to 1.8 rocker arms, what’s the increase in lift?
  343. Marine Stereo Expert in Jersey?
  344. Trs merc trans problems
  345. What Intake for a 502ci Carburated?
  346. pressure relief valve
  347. Sub Box Fabrication Question.........
  348. Anyone Run Vacuum Pump?
  349. Oil psi
  350. Belt Noise
  351. found - good source for marine wire, etc
  352. Warning Light Stays On
  353. installing new 496 sea water pumps
  354. Dry sump 6 question pleeease
  355. HiVolume-or- Hi pressure oil pump
  356. 496 ecm recalls ?
  357. Cam or Thru-Hulls--Did the site let me down?
  358. 502mpi / 502efi
  359. drive rebuild
  360. Sea Pump Disaster - Opinions Needed
  361. 2 Water Temp. senders?
  362. Mercruiser 502 Mag MPI Compression
  363. side mount control
  364. 496 ho oil leak
  365. 2-4-c versus special lub 101
  366. Anyone Know Who Can Work On A #5 In Nj
  367. Small amount of condensation on my oil filler cap? On 350 Mag engine
  368. Fabricated/Sheet Metal Valve Covers - Where to get some?
  369. BBC Intake: Performer vs. Torker II???
  370. Bleeding the hydraulic circuits for drives and tabs & steering?
  371. thermostat or no thermostat
  372. Marine Audio - Need some input
  373. electric fuel pump automatic shutoff?
  374. timing on a blower motor
  375. bravo issue
  376. 525SC mkIV?
  377. What temp thermostat for a 502?
  378. ventilated piston aka huge freekin hole!
  379. Changed Impellers, now temp gauge problem?
  380. Coast Guard Approved
  381. Mercruiser Drive reservoir overflow
  382. Whats the best marine radio. AM / FM Receiver.
  383. 502 Mpi Coil Failure?
  384. air out of steeringram
  385. Blower Heads World Merlin Oval Vs Rectangle
  386. Staggered engines?
  387. Drive problems
  388. Engine cranks but won't start, Safety Lanyard ?
  389. Drive ratios
  390. Oil Cap
  391. ALPHA vs BRAVO OUTDRIVE TRIM RAMS Q&A
  392. merc 165 water flows???
  393. Wtf
  394. Rev limiter needed for Merc wiring harness
  395. Dyno - what engine adjustments can be made?
  396. overheating
  397. IAC Valve 496 ho same as truck?
  398. Rev Limiter Change?
  399. Tachometer Gremlins !
  400. Thermostat change??
  401. Gaffrig GPS
  402. What is the correct water pressure
  403. Measuring For Tail Pipe Question
  404. 496HO Squeal
  405. how much total timing are you running on your na motors?
  406. BRAVO & ALPHA MERCRUISER OUTDRIVE TRIM RAMS
  407. Boat Detailer So Cal...
  408. Help, won't rev beyond 2900rpm
  409. Repossesing engine parts from marine mechanic
  410. Torque table HP500efi
  411. Need block
  412. Hole in #6 piston 502 EFI
  413. Flushing Salt water- 5 day trip to FWB
  414. Will 1 Weak Engine Hold Back The Other ??
  415. Anyone Know What The Prop Torque Is On A #5
  416. Dry exhaust water dump fittings and placement help.....
  417. SPARK PLUG suggestions...
  418. 97 502/415 Cam Change
  419. 97 502/415 Cam Change
  420. 525 w/cracked headers
  421. What can you tell me about this small block?
  422. Spinning in or out
  423. Trim tab speed
  424. Having trouble finding a Bravo2 prop..
  425. Where Did I Go Wrong, Cam? Intake? Carb?
  426. Which Flame Arrestor?
  427. Electric hatch lift?
  428. Imco Fuel Tank Pickup Tube
  429. Battery Switch Question??
  430. Mercruiser Bravo Outdrive
  431. Odyssey Batteries
  432. Question on Oil Temps & Coolers
  433. Spark Plug Question(s)
  434. Timing Question
  435. setting timing
  436. silencers
  437. Calling all carb, tuning and cooling gurus...
  438. CMI's and 496HO, worth it?
  439. How do you bond lexan?
  440. Halon question - how does it work?
  441. Running out of water
  442. 500EFI tach bounce
  443. Bravo 3 won't shift
  444. fresh water flush
  445. Question on tubing for an A-frame
  446. 525efis and whipples?
  447. 496HO question
  448. 5200 Rpm 50 Mph??
  449. 575 Blower Question
  450. overheating manifolds
  451. What oil to use?
  452. trim tab problem
  453. how do you increase pump pressure in a bw 72c?
  454. Ugh... need 2" of Lid clearance
  455. What would cause dropped exhaust seats?
  456. Home made low water pickup muffs
  457. Anyone have/know of a good deal on some bravo's??
  458. Warmed 454 Intake Mainifold Choices?
  459. exhaust manifold gasket
  460. Scratches on Deck of Formula
  461. Only getting 4600-4800 RPM's???
  462. can you run one drive in reverse full time?
  463. Is this a good deal
  464. Header Bolt torque
  465. Engine update
  466. motor break in woes...Help!!!
  467. Need Procharger help...
  468. Anyone ever used these heads ?
  469. Best Flame Arrestor Flow ???
  470. Looking for a Accelerator Box for single hatch
  471. Headliner problem/question
  472. 1.7 ratio Jesel pro series rocker arms needed !!
  473. Where to connect water pressure line?
  474. Toilet question-pump out type
  475. Water Pressure (Again) on IMCO
  476. Info on Hawk 600SC's
  477. No Start, Slave solenoid?
  478. water spots
  479. drive fluid dripping from water pickup....
  480. Low water pickup plug size
  481. switched from qjet to holley on modded 330
  482. 502 MPI & 140 thermostat?
  483. Need a Crane HI-6M ignition bax part#6000-6462 for NYC Poker Run
  484. 27 profile
  485. coil question
  486. Merc. Racing Blue Paint
  487. Disc Brake Conversion
  488. 496 or 500 efi
  489. Valve spring??
  490. wiped a cam lobe yeterday
  491. Smoke on the water
  492. Idle RPMs on fresh 5.7?
  493. Alphas Question
  494. Help! Stuck Valve
  495. Cannot see timing mark
  496. Silent Choice or not
  497. Measuring for CMI tailpipes...
  498. Hardin Marine Switchable Silencer
  499. What sparkplugs for a 525 EFI?
  500. New Smyrna Machine shops ?