View Full Version : General Q & A




  1. KPM water pump problems??
  2. Drive Oil in Bilge
  3. weak fuel pump
  4. Push or pull?
  5. rubber exhaust "S" pipes
  6. Code 33
  7. Overheated Friday Night... How hot is too hot
  8. Canton 8 inch oil pan question
  9. still overheating
  10. Weird 330 problem
  11. Alpha Drive Question
  12. Milk on New 540s Oil Stick - Ideas?
  13. HELP!!! Pressure Checking Gil Mainifold???
  14. Motor Problems
  15. Bravo 1 outdrive help!!!
  16. Can't get the boat hot
  17. Who's got heads?
  18. XR stuck in reverse
  19. Low water pressure
  20. Over flowing Drive fluid
  21. intake manifold thremostat housing is cracked, can it be fixed?
  22. Should mechanic fix it?
  23. Motec CDI 8 - Offshore Marine Application
  24. Speed calculation formula
  25. Inter Coolers on a 575 Merc?
  26. Merc 250xs Info Needed
  27. Toe In / Toe Out ?????
  28. 7.4 Mpi
  29. Need Help Identifying Fuel Injector....
  30. Motor Mount Bolt(s)?
  31. Thank You !
  32. trs drive fluid
  33. who's responsible motor blew up
  34. Formula 312 Power Steering Set-up
  35. Hynautic Steering
  36. Need a new intercooler
  37. UH OH, Rubber Smell, Coupler?
  38. Oil pressure sender problems
  39. Adding a Prochager
  40. Black vent hose
  41. hp500 oil filter recommendation
  42. The Future of Marine Engines
  43. Pcm 555 Act Faults And How Gaurdian Reacts
  44. Old Bravo lower W/ new Bravo upper?
  45. fuel filter
  46. Replacing gimal bearing
  47. Phantom 25 rigging twin - soon there
  48. Looking for Merc 350 Magnum EFI.Covers
  49. Hydraulic steering installation question/problem?
  50. Stud Girdle or No Stud Girdle?
  51. The Truth About Your Dyno Test
  52. Trailer brake ??
  53. Help
  54. Oil Temperature
  55. warning light senders
  56. HELP!! Milky Foamy Sludge in Oil Filler???
  57. carb/jetting ? on 454mag
  58. 454 dipstick length?
  59. RPM Air-Gap compared to Performer RPM
  60. Bash Do You Have Info?
  61. Compression and pump gas
  62. Inconsistant Dyno readings
  63. Mercury 300 pro maX
  64. whipplecharged 500EFI looses RPM
  65. Any 300hp Yamaha Superboats 24
  66. outdrive u-joints
  67. 525SC jetting
  68. were to buy 3/8" stainless steel studs
  69. Garmin GPS chart for New Hampshire?
  70. To: Dave M or Dave N re PCM555 fault codes vs Rinda #94050m Mercruiser Scan Tool
  71. bravo 1
  72. Super chiller
  73. Procharger M3
  74. What price should I ask for 502 mpi parts?
  75. Questions, motor on Dyno
  76. trannie fluid capitacy
  77. Goodt
  78. Whay no Donzi on boattest.com???
  79. Installing Flush Cleats
  80. Livorsi E series mufflers
  81. Engine timing Help ?????
  82. 500 Efi Head
  83. poor idle hp carb 500
  84. cmi 5 inch sound elimination muffler
  85. 1999 454 MPI water temp too high
  86. Friction Control on MERC KIEKAFFER Throttles?
  87. Stainless marine exhaust gaskets ?????
  88. Dry Sump 6 gear oil question
  89. Would this be enough lift?
  90. another hard shifting bravo
  91. Moorse Controls
  92. 496 heat exchanger flush?
  93. 454 mag Serpentine belt part #
  94. battery banks
  95. Dyno - results with 540s
  96. 1.36 bravo 1
  97. 94 502 running problem?????? help!!! pos vapor lock???
  98. has anyone thought of...
  99. water pressure hose
  100. Valet Service or leave in the water?.
  101. procharger question
  102. Bravo one siezed????
  103. Battery Wiring Single Bank
  104. Can a MercII trans be replaced with a velvet drive trans???
  105. HP500 stalls when getting on a plain
  106. What's it worth?
  107. THe difference between 2 ingnition modules
  108. 525 efi water/fuel filter part #
  109. Best Trim Pump Caps?
  110. one engine-4500 other 5000 ?
  111. What size hose for thermostat bypass
  112. 330hp 59MPH @ 4600RPM?
  113. Getting engine back SAGA continues
  114. Silent Choice Exhaust question??
  115. Leaking Gear Lube
  116. High Oil Pressure
  117. alternator/charging question
  118. could someone please do me a favor
  119. 50# of water pressure
  120. What can cuase no oil pressure?
  121. Max rpm on a 525
  122. Oil Pump Question
  123. removing center engine
  124. Scorpion 377 Headders Power Gain?
  125. anyone have a thunderbolt IV laying around
  126. cracked or vapor
  127. Vapor Lock????
  128. Who Makes The Best Oil. Cooler I Need One
  129. Prop puller and steering questions...
  130. insta-trim plates for sale
  131. vapor lock??? HELP
  132. EFI wiring diagram 5.7 1996
  133. Prop pitch reduction for Lake Tahoe
  134. Water Pumps
  135. Plug Choice
  136. Mocal Oil Thermostat
  137. Double Piloted Check Valve help
  138. No OPA Pt Pleasant?
  139. New 38ZR What Power/Drive Should I Get?
  140. steering trouble ?
  141. Help Portland Or.
  142. 496 Ho Pvc?
  143. Looking for Turbulators
  144. anybody have a spare imco drive shower cap??
  145. HP500 EFI Water line size questions
  146. fuel tank pickups
  147. how big
  148. How fast should I be going?
  149. need part by tommorrow
  150. Totally Stumped, Engine Overheat Alarm
  151. Pivot Bushing Threads Stripped
  152. wiring diagrams for Keikafer trim pumps
  153. volt gauge reads......
  154. Kaama drive question.
  155. CMI's or keith ekert headers ???
  156. Putting an engine back in a boat....
  157. bravo 1 lower 2 bolts on transom
  158. Silicone on exhaust tips?
  159. Quick response needed, bias or radial?
  160. Hyd. helm
  161. Cracked block...NEED HELP!
  162. Filling a keikhaffer trim pump through dipstick???
  163. TP sensor, Resistance, Voltage
  164. Gaffrig Control Help?
  165. Prop Tourque Lbs????? Bravo One drive.
  166. HP500 Oil Pressure
  167. How to replace Flappers inside Exhaust Tips?
  168. Need help!!!! What do you think about this engine problem ???
  169. dana flow torque vs. imco power flow plus
  170. control part numbers?
  171. Mercruiser exhaust elbows
  172. Vacuum Leak
  173. GGB Muffler Failure
  174. Looking for Cloyes 9-3149A-5 or -10
  175. Rebuilding old black mercruiser hydraulic steering rams?
  176. n g k plugs
  177. Small Block Cam question
  178. hull coatings for speed
  179. All Tickie... no turnie
  180. Motor breaks up at WOT
  181. Photo shoot
  182. Anyone with BMax Drives?
  183. Need help with oil temp sensors
  184. Change to 1.8 rocker arms, what’s the increase in lift?
  185. Marine Stereo Expert in Jersey?
  186. Trs merc trans problems
  187. What Intake for a 502ci Carburated?
  188. pressure relief valve
  189. Sub Box Fabrication Question.........
  190. Anyone Run Vacuum Pump?
  191. Oil psi
  192. Belt Noise
  193. found - good source for marine wire, etc
  194. Warning Light Stays On
  195. installing new 496 sea water pumps
  196. Dry sump 6 question pleeease
  197. HiVolume-or- Hi pressure oil pump
  198. 496 ecm recalls ?
  199. Cam or Thru-Hulls--Did the site let me down?
  200. 502mpi / 502efi
  201. drive rebuild
  202. Sea Pump Disaster - Opinions Needed
  203. 2 Water Temp. senders?
  204. Mercruiser 502 Mag MPI Compression
  205. side mount control
  206. 496 ho oil leak
  207. 2-4-c versus special lub 101
  208. Anyone Know Who Can Work On A #5 In Nj
  209. Small amount of condensation on my oil filler cap? On 350 Mag engine
  210. Fabricated/Sheet Metal Valve Covers - Where to get some?
  211. BBC Intake: Performer vs. Torker II???
  212. Bleeding the hydraulic circuits for drives and tabs & steering?
  213. thermostat or no thermostat
  214. Marine Audio - Need some input
  215. electric fuel pump automatic shutoff?
  216. timing on a blower motor
  217. bravo issue
  218. 525SC mkIV?
  219. What temp thermostat for a 502?
  220. ventilated piston aka huge freekin hole!
  221. Changed Impellers, now temp gauge problem?
  222. Coast Guard Approved
  223. Mercruiser Drive reservoir overflow
  224. Whats the best marine radio. AM / FM Receiver.
  225. 502 Mpi Coil Failure?
  226. air out of steeringram
  227. Blower Heads World Merlin Oval Vs Rectangle
  228. Staggered engines?
  229. Drive problems
  230. Engine cranks but won't start, Safety Lanyard ?
  231. Drive ratios
  232. Oil Cap
  233. ALPHA vs BRAVO OUTDRIVE TRIM RAMS Q&A
  234. merc 165 water flows???
  235. Wtf
  236. Rev limiter needed for Merc wiring harness
  237. Dyno - what engine adjustments can be made?
  238. overheating
  239. IAC Valve 496 ho same as truck?
  240. Rev Limiter Change?
  241. Tachometer Gremlins !
  242. Thermostat change??
  243. Gaffrig GPS
  244. What is the correct water pressure
  245. Measuring For Tail Pipe Question
  246. 496HO Squeal
  247. how much total timing are you running on your na motors?
  248. BRAVO & ALPHA MERCRUISER OUTDRIVE TRIM RAMS
  249. Boat Detailer So Cal...
  250. Help, won't rev beyond 2900rpm
  251. Repossesing engine parts from marine mechanic
  252. Torque table HP500efi
  253. Need block
  254. Hole in #6 piston 502 EFI
  255. Flushing Salt water- 5 day trip to FWB
  256. Will 1 Weak Engine Hold Back The Other ??
  257. Anyone Know What The Prop Torque Is On A #5
  258. Dry exhaust water dump fittings and placement help.....
  259. SPARK PLUG suggestions...
  260. 97 502/415 Cam Change
  261. 97 502/415 Cam Change
  262. 525 w/cracked headers
  263. What can you tell me about this small block?
  264. Spinning in or out
  265. Trim tab speed
  266. Having trouble finding a Bravo2 prop..
  267. Where Did I Go Wrong, Cam? Intake? Carb?
  268. Which Flame Arrestor?
  269. Electric hatch lift?
  270. Imco Fuel Tank Pickup Tube
  271. Battery Switch Question??
  272. Mercruiser Bravo Outdrive
  273. Odyssey Batteries
  274. Question on Oil Temps & Coolers
  275. Spark Plug Question(s)
  276. Timing Question
  277. setting timing
  278. silencers
  279. Calling all carb, tuning and cooling gurus...
  280. CMI's and 496HO, worth it?
  281. How do you bond lexan?
  282. Halon question - how does it work?
  283. Running out of water
  284. 500EFI tach bounce
  285. Bravo 3 won't shift
  286. fresh water flush
  287. Question on tubing for an A-frame
  288. 525efis and whipples?
  289. 496HO question
  290. 5200 Rpm 50 Mph??
  291. 575 Blower Question
  292. overheating manifolds
  293. What oil to use?
  294. trim tab problem
  295. how do you increase pump pressure in a bw 72c?
  296. Ugh... need 2" of Lid clearance
  297. What would cause dropped exhaust seats?
  298. Home made low water pickup muffs
  299. Anyone have/know of a good deal on some bravo's??
  300. Warmed 454 Intake Mainifold Choices?
  301. exhaust manifold gasket
  302. Scratches on Deck of Formula
  303. Only getting 4600-4800 RPM's???
  304. can you run one drive in reverse full time?
  305. Is this a good deal
  306. Header Bolt torque
  307. Engine update
  308. motor break in woes...Help!!!
  309. Need Procharger help...
  310. Anyone ever used these heads ?
  311. Best Flame Arrestor Flow ???
  312. Looking for a Accelerator Box for single hatch
  313. Headliner problem/question
  314. 1.7 ratio Jesel pro series rocker arms needed !!
  315. Where to connect water pressure line?
  316. Toilet question-pump out type
  317. Water Pressure (Again) on IMCO
  318. Info on Hawk 600SC's
  319. No Start, Slave solenoid?
  320. water spots
  321. drive fluid dripping from water pickup....
  322. Low water pickup plug size
  323. switched from qjet to holley on modded 330
  324. 502 MPI & 140 thermostat?
  325. Need a Crane HI-6M ignition bax part#6000-6462 for NYC Poker Run
  326. 27 profile
  327. coil question
  328. Merc. Racing Blue Paint
  329. Disc Brake Conversion
  330. 496 or 500 efi
  331. Valve spring??
  332. wiped a cam lobe yeterday
  333. Smoke on the water
  334. Idle RPMs on fresh 5.7?
  335. Alphas Question
  336. Help! Stuck Valve
  337. Cannot see timing mark
  338. Silent Choice or not
  339. Measuring for CMI tailpipes...
  340. Hardin Marine Switchable Silencer
  341. What sparkplugs for a 525 EFI?
  342. New Smyrna Machine shops ?
  343. Gaffrig throttle shifters
  344. Flush Fitting for Merc 502 Mag EFI
  345. Height difference? Stock vs Dart.
  346. Paint or Polish Stock 496 Exhaust Manifolds
  347. 502 MPI problems, help
  348. Trim indicator cable
  349. Bravo trim pump vs Volvo (SX) trim pump
  350. 496 MAG lost 400 RPM/4 MPH overnight
  351. Ignition Identity
  352. power steering
  353. 496ho belt question???
  354. Vesuvio Marine Engines
  355. Painted vs. Satin finish???
  356. HP500EFI sea water pump
  357. 454 MarkIV oil bypass
  358. Need help identifying what model 3 wheeler this is
  359. Phone Number of Manufacturer of Lightening Headers?
  360. Water Pressure question? 300 promaxes
  361. Distributor gear ? on my new 502 crate
  362. safe driveshaft angle with stellings ext box
  363. How long to wait on 5200 before use.
  364. If You Want Help
  365. Why is the warning light on?
  366. drive oil reservoir bravo
  367. blower question
  368. Removing Registration Stickers
  369. Help with Octane calculation
  370. Merc 7.4 330 to 502 Ignition change
  371. XR's to#6 drives need help
  372. liquid speedo
  373. Bravo XZ drive Gods please help
  374. Any problems with Lightening Headers?
  375. Anyone seen this happen to a distributer?
  376. CMI 496 headers
  377. How to replace a Bravo trim hose?
  378. Dart Heads ?
  379. backfire above and near 3000 rpm's?
  380. Revolution marine headers
  381. B&M 420 Blower Crossover Question
  382. Oil Cooler help
  383. How to mount oil temp sender in pan?
  384. Braided Hose HELP Needed
  385. tach needle jumping
  386. can anyone hook me up with a deal on merc geraset # 43-847823a1 ?
  387. taking off circ pump, engine pics
  388. Broke a valve
  389. looking for an HP500 Efi Conversion
  390. fuel/water separator stock replacement
  391. solvent for dissolving bellows glue
  392. Source to modify carb for blower
  393. KPM Pump question...
  394. Welding of TRS gear housing
  395. Trick Marine ??
  396. speedo no worky?
  397. Drive showers
  398. Intake valve size gen 5 heads
  399. Heads
  400. Boat Fix.com
  401. XR SPortmaster lower vs. XR standard lower
  402. Outdrive Maintenance?
  403. Formula hatch latch glue
  404. Fuel injector ID help.
  405. if you were to do it over again
  406. Anyone ever used the Hellroaring non-diode batt isolators?
  407. HP500 questions-please help!
  408. Impellar Question
  409. Volvo 525s ?
  410. gm car question
  411. What is the best Pre Lube system
  412. Alarm Buzzer Questions
  413. thunder bolt modules
  414. How do you change your oil?
  415. Replaced Water Separator and lost PSI
  416. Need Oil Pan
  417. New 502 Crate Engine is there a break in procedure
  418. Engine cutting out at 3500 rpm????
  419. Trim tab problem!
  420. Hutter racing ?
  421. thunder bolt 4 coil
  422. oil coolers before or after
  423. My fuel guages?
  424. Bravo 1 Inner Transom Plate
  425. Footwell source
  426. Alternator, 500EFI
  427. Valve covers
  428. Water Pressure Gauge Sender??
  429. Demon Carb Flame Arrestor
  430. What do you recommend for sbc's
  431. Stereo freaks needed...........
  432. Mesa's Baddest Turbo Power
  433. Imco Extension Box...
  434. synthetic oil help
  435. Bravo Fluid Again
  436. small block question heads/cam combo
  437. 94 502mag efi problem......help
  438. 575 SCI Cometic gaskets????
  439. oil cooler plumbing
  440. Drive spacer install question
  441. Bravo & TRS
  442. 496 Mag Knock Sensor?
  443. 496 HO Spark Plugs
  444. 97`Dually diesel Chevy Question
  445. This isn't good at all!
  446. 454: what pistons and cam?
  447. Loto mechanic
  448. Where to mount an oil temp sender on a 350 vortec motor?
  449. Yamaha Ring Free -- What is it Really?
  450. Another Camshaft Question
  451. Belt Tension
  452. Need PN for 30 PSI block bypass
  453. Poofed drive. My bad.
  454. Rev Limiter on Carb Engine
  455. Outdrive ID Help
  456. 80 hours on 502 MPI
  457. Coupler Strength
  458. GGB Mufflers -- Where are they?
  459. vaccum pump or not
  460. Flywheel Housing
  461. Water pump pulley
  462. 500HP EFI Oil Filters
  463. particular position for spring washer on Bravo X drive props??
  464. Gaskets for a HP500EFI
  465. installing new motor...ignition problems
  466. 496 Header Install
  467. Outdrive Finn Repair ...help needed
  468. new lovette 900 gph pump stuck
  469. Anyone need pistons?
  470. Smartcraft upgrade problem 496HO
  471. Stainless Steel Trailer Brake Line--Where to Buy?
  472. oil pressure flutter
  473. West Coast Merc Parts?
  474. Part # for 2000 HP 500 Carb Oil Cooler
  475. Altanator question
  476. Drew Shotgun Silencers!
  477. No Spark, but power to coil???
  478. Ignition Coils keep failing?
  479. waterin bilge
  480. trim switch replacement
  481. trim wiring question 350 mag
  482. running warm to 180
  483. HP 525 Oil Temp Problem, Again!
  484. mercury blue paint
  485. Engine not starting
  486. Steering problems while crusing
  487. Oil Pressure
  488. livorsi speedo help
  489. Starving 502
  490. removal of the lower on zx
  491. Pyrometers
  492. Velocity prop adivice
  493. new motor disappointment
  494. Outdrive help
  495. transom assy weight
  496. Air Conditioning Water Pick-up
  497. Oil Water??
  498. cmi headers
  499. Engine Hatch Insert ?????
  500. Mufflers-Ohio, Michigan, ?