View Full Version : General Q & A




  1. Oil Level Mystery
  2. Engine issues in my 98 Fountain... Please help!
  3. Anybody here a Dodge mechanic? have questions about a Journey in the fleet...
  4. holley jet sizing for my mild 355 merc ?
  5. Opinions on triples
  6. adjusting valves in 350 sbc
  7. ARP rod bolt question-resizing?
  8. First start up on my new big block :)
  9. 500 EFI Saltwater Questions
  10. 1997 STD 454 carb rev limiter?
  11. Quadrajet carb choke issue
  12. can only turn 4000 RPMS on a 500 EFI, rebuilt drop in
  13. Any experience with Raylar 103 Cams and/or Rockers?
  14. oil additive needed with mobil 1?
  15. 350 Mag Q-jet flooding through primary boosters
  16. Yes another 496 issue. possibly injectors
  17. Crank Driven Water Pump
  18. 2000 47 Lightning upgrading to 525efi motors... connecting to smartcraft? Help!!
  19. MercMonitor, Smartcraft, Vessel View...HELP!
  20. 1999 merc 7.4 mpi vi altinator output post bolt wearing hole in coolant hose???
  21. Too much pressure !!!
  22. Engine and prop set up
  23. Engine water and oil temps too cold
  24. what are the chance
  25. Distributor/ignition issues, need help diagnosing
  26. Hi Tek exhaust manifolds
  27. 525 efi intakes
  28. Video lcd Monitor Info
  29. Re-power with triples? Stagger twins? OR Twins with a larger cockpit??
  30. 1990 7.4L bravo 1 carb replacement
  31. BBC circulating pump
  32. adjusting flat tappet valves
  33. water temp sending unit
  34. Iac controller 496 ho & diacom test
  35. Carb Spacers and Jetting
  36. Help please, possible gas leak?
  37. Dennis Moore's Book
  38. Exhaust question
  39. 088 vs AFR 265 dyno comparison
  40. Need a new 502 BBC rear crank seal. Mine blew out this weekend. Who's is the best??
  41. Insurance company info need for boat Insurance
  42. Air Fuel Ratio Meters...who makes a cheap one that works well?
  43. 496 sportstube headers??
  44. Replacement headers for 525 EFI - Which ones?
  45. 502 mpi mag change to carb help!
  46. 6.2 MPI problems
  47. oil bypass valve question on gen VI engine
  48. Stuck valve on Mercury 525 EFI - cause ??
  49. Thinking about replacing the dash and gauges on my 35' Fountain Lightning
  50. RH vs LH prop??
  51. 496HO missing at 3,000 rpms on take-off after warmed up
  52. High hour 496 loosing power
  53. How underrated are INBOARD engines? Twisting 5600 with the stock props 32 fever
  54. Broke starter and ring gear
  55. 496 CMI twin engine install ?s
  56. 496 Mag filling bilge with water
  57. Looking to upgrade alternator on a 496 mag
  58. 502 Idling/throttle-up Issue
  59. Teague rockers cracking has anyone seen this...
  60. Scarab overheat issue new rebuild
  61. 2007 525 efi
  62. KAMMA boots
  63. Broken Pushrod ball
  64. NXT1 Transmission problem, Advice, Service Repair Manual?
  65. Going crazy on my Mercruiser 496, need Help!
  66. Valve adjustment procedure
  67. Flywheel On 496 Stroker
  68. Wrapping my 47 Fountain? Who in Florida provides a decent wrap and how much $$?
  69. 496 Coolant in Bilge
  70. Shop crane help
  71. starboard runing cold!
  72. need cam expert help
  73. Baja not charging acting funny!!!! Quick question think I fixed want thoughts
  74. Broken Pushrod
  75. upgrading cam on 454 mag crossram efi
  76. 496HO issues, help and feedback needed!
  77. Has anyone used AUTOTEC pistons?
  78. Teage Marine Camshafts
  79. Electrical Question for Wellcraft NOVA III
  80. Cam advise
  81. Goto guy for tuffest bravos?
  82. 500efi problem
  83. Power Steering Pump Issue
  84. Gen v 7.4 belt diagram
  85. Mod my 420 intakes or buy 8:71's??
  86. Too much water pressure
  87. Header Temps ?
  88. 502 Mag cooling system problem
  89. Lost forward/ reverse. Help!!!!
  90. Mild 350 cams
  91. tranny making grinding noise
  92. Need add on steering help ASAP so I can boat tomorrow
  93. Any dyno in central Pa./ ne Maryland
  94. Port engine still weak, advice needed. 2005 496 ho's
  95. Grease points on Bravo?
  96. Whats up with Revolution Marine?
  97. Mirage 202 with a 492?
  98. 496 ho question
  99. Stock 525sc's
  100. Steering
  101. 502 MPI Nightmare!!!
  102. I am thinking about freshening my blown 454 mags after the season
  103. 496 seawater pump
  104. Any pointers for rebuilding Borg Warner 72c transmissions?
  105. thunderbolt ignition
  106. Engines won't turn more than 4200 RPM
  107. Name this part off of BBC whipple charged engine
  108. Mercruiser 454 MAG MPI weak!! help!
  109. 454 mag carbed timing??
  110. dominator carb question
  111. High idle trouble. Lookin for help
  112. Engine Stalling Issue
  113. Mercury Racing Motor Mounts
  114. 525 sc what lifters to use non roller
  115. Words to the wise from the not so wise regarding ignition pickup module or icm...
  116. Best Gen. For a 496 Stroker Gen 4 or Gen 6
  117. 7.4 mpi 2000 model had gaskets replaced the price good???
  118. Need Part Numbers for Gen V/VI 454 flywheel - cast crank versus forged
  119. 385HP 454 Rod knock
  120. 496 stroker jetting questions
  121. NMEA 2000 actuators?
  122. Figured out rpm surge but need some advice
  123. Can someone please tell me what boat this is?
  124. what is this amplifier/rectifier looking thing?
  125. 525efi 600sci and 700sci Heads... are they all the same???
  126. Snap on timing gun on 502 mag??
  127. Fuel pump fitting size 525sc
  128. 454 to 502 engine swap reused TB5 from 454 and im having ignition problems...i think
  129. problem with dual ram tab
  130. Merc 525 header bolt torque??
  131. BBC 540 performance upgrade ?'s
  132. Gaffrig Tachs/Smartcraft acting up
  133. Mechanical fuel pump on a fuel injected 454ci?
  134. ecm relocation
  135. 496 Oil Cooler, where to buy!
  136. Whipple VS Procharger
  137. Is GM Vortec 454 essentially the same thing as the 300-HP L29 7.4L?
  138. I.T.S. and imco stand off boxs question
  139. optima batterys
  140. How easy to go dual hydraulic steering from single?
  141. Bimini top suggestions
  142. Mercury 800 SC's has no boost,Why?
  143. Through hull water pickup help
  144. AFR 290 VS DART Pro 1 head
  145. Ridiculous marine pricing on IAC valve
  146. Stock valve covers with AFR heads and full roller rockers
  147. Mr Gadgets, Dick tryce
  148. Reistering boat with USCG (In Illinois)
  149. leaking imco risers
  150. what should the sea water pump pressure sensor read on a 496
  151. Gen VI oil pressure reliefs/bypass
  152. Exhaust leak
  153. tailpipe wall thickness?
  154. Wet Exhaust/Steam
  155. 502 mag dumping fuel out exhaust..
  156. Towing 11,500 LB Donzi FL to MI - Tips
  157. 502 MPI engine stalling
  158. Bravo XR Trim Indicator Help Needed
  159. buttons for the out drive trim
  160. 496 fault codes help
  161. Corsa captains call power question
  162. 496 mag, double beep alarm every 60 seconds. Code 37 sea pump pressure low.
  163. Drive showers
  164. Want to put in a electric fuel pump..have questions..
  165. steering ram leaking
  166. 300vx flush kit
  167. header fitment
  168. Water leaking from exhaust y-pipe coupler?
  169. What not to do with exhaust.
  170. Need help! Raw sea water pump
  171. presssure testing exhaust ?
  172. sealer for cockpit floor ?
  173. Correct values map sensor 496 ho ?
  174. Mercruiser 496 MPI running borderline hot....
  175. Exhaust manifold and risers ok? 454 MAG MPI's
  176. Water pressure gage input
  177. 1999 502 Mag Stumble and Back Fire After Long Run Time
  178. SAT Radio Antenna Wire Question
  179. Chris Craft Cooling
  180. Repairing Gimbal Rings
  181. exhaust temperature on 525
  182. circulating pump
  183. Saltwater Flushing
  184. Procharging 454mags ??
  185. Alternatives to Procharger intercooler
  186. Boat not sitting on all trailer bunks?
  187. Old School 425 hp Coupler Question
  188. 350 Mag cooling issues HELP
  189. What fluid for trim?
  190. Please help with spark plug question on 572's
  191. Would like some input from the pro's on Carb jetting for 489 with AFR's
  192. Wiring diagram for starter lugs and slave solenoid?
  193. 350 SBC Carb Size questions
  194. 496 HO intermittently not starting back up after running it.
  195. 502EFI excessive advance
  196. Coolant temp sensor question?
  197. 496 ho bottem end strength
  198. How can you tell the diff in a bravo and an XR bravo ?
  199. IMCO Hydraulic Steering Bushings
  200. 454 carb thunderbolt IV... timing all over??
  201. 454 7.4 mpi sea pump picture what do you think???
  202. Northstar muffler rebuild kits
  203. new baja owner, blown motor , need advice please.
  204. CMI E-Top Install on 496 Mag
  205. Cuting off problem
  206. MSD ready to run distributrs? good or bad???
  207. 496 w/Whipple rebuild specs & clearances
  208. 525 help
  209. Planning to repower my 292 Fastech
  210. 454 mag mpi inboard stalling when put in neutral intermittently
  211. Stainless Marine Exh Manifolds, will they work with 700 hp engine build?
  212. Water pressure at idle?
  213. Cavitation & Overheating - Possibly related ?
  214. K Plane Parts
  215. 454 7.4 mpi l VI sea pump back flush question and help please
  216. 502 mag lack of power
  217. 525's Running Hot
  218. Has anyone seen Jerry Haney lately? Having trouble getting ahold of him.
  219. 525efi high idle after wot blasts
  220. Carb help
  221. Boat leans to port side when running..
  222. Gauges pegged?
  223. Broken sterndrive continuity screw.
  224. Strainers Leak - How to fix? (how to seal)
  225. New Add-on hydraulic steering issue
  226. Carb and 250 Blower VS Fuel Injection and Procharger
  227. merc raw water pump, 350 v8 engine driven. Water head height?
  228. 454 mpi merc oil cleaner when doing oil change??
  229. CMI E-Tops
  230. Kenwood Wired Remote Installation
  231. Need help figuring out intermittent starter issue after engine swap
  232. Possibly Selling The Boat ???'s
  233. Raptor performance & replacement engines
  234. 454 base timing
  235. Question on books for SBC marine builds
  236. Engine harness complete??
  237. Exhaust / cam question
  238. Tach flickering key on not running.... 454 carb
  239. Another Help on Cam Choice Thread
  240. Hotspots on engine
  241. Running hot vs cold plug under boost?
  242. Basset Header ?
  243. HELP! Questions on which Thermostat housing to use with EMI exhaust?
  244. Steering Issue on Checkmate 253
  245. What boat is this?
  246. ZZ502 few questions???
  247. KE 2 piece valve covers LEAK!
  248. imco powerflow exhaust revrsion
  249. Loose steering on a Formula
  250. Bent/broke push rod or broken valve spring or??? also carb issue stock 454
  251. Engine bogging after jumping waves
  252. need pro carb setting info
  253. 496 ho IAC problems what now?
  254. Who's running fuel press regulators with carbs?
  255. potential dangerous issue / fuel tank snding unit
  256. Oil and Water leaking on 496 MAG?
  257. 496HO missing at high RPM
  258. timing chain?
  259. What would cause my hydro lock???
  260. Solid roller lash check
  261. sea water pump hose connection
  262. Changing Supercharger Oil
  263. 2005 496HO MAX 4000 RPMs
  264. Adding a fuel press regulator
  265. Water Pressure/525 EFI with a Whipple
  266. Want to add an Hour Meter
  267. Marine Upholstery
  268. HP500 Small Gear Reduction Starters
  269. 1991 eliminator daytona fells like i am draging something at low speeds
  270. Wierd ignition issue....454 Thunderbolt IV
  271. 1995 502 will not go above 1800 rpms
  272. Power steering Hose thread dimensions
  273. Prop blowing out!
  274. fountain 10 meter oil temp please help
  275. Suction From Fuel Water Separating Filter
  276. New XR drives lower water pickups plugged with paint?
  277. Kill laynard....
  278. replaced engine now Alternator wont charge
  279. Any tips on removeing water from oil?
  280. Bravo XR props haft
  281. Fuel Rail?
  282. Gimbal bearing driver Alpha 1
  283. IAC for Whipple 2.3
  284. comparison, Eliminator vs Bryant
  285. Pistons.......... Not even JE can help.
  286. What is this hose that broke off my Bravo 1 gimbal? (pic)
  287. prop / engine question
  288. Elec and mechanical fuel pumps
  289. Stock Weber Carb changes for Engine upgrades ?
  290. ME3 alarm sensors broken
  291. Exhaust riser gasket
  292. Boat performance changes?!
  293. 496 ho with boost? reliable?
  294. Difference in HP500 Ignition Modules by year...???
  295. Muffler Recommendations
  296. ProCharged 502 Checkmate Prop
  297. Add on hydraulic steering issue
  298. no spark
  299. Oil Pick Up Part # for 454 gen IV mag (have the melling oil pump already) Thx
  300. Whats the deal who is who..?
  301. nos on a boat?
  302. Canton offshore pan, what's the bracket for?
  303. k planes and hyd. steering
  304. help with deciding on a new boat
  305. Thinking of making the bulkhead between the cockpit and the engines removable....
  306. transom u bolts
  307. Better to make more power from 3K - 5K, or 4K - 5500?
  308. Engine harness adapter 10-14pin
  309. Starter bolt holes
  310. I need some prop advice after doubleing horse power.
  311. Part identification
  312. 496 won't start
  313. Top mounting starter for a bravo one?
  314. 502 MAG MPI lacking power
  315. Transducer question
  316. Formula 302 LS Repower Questions
  317. B&m 250 efi mercruiser supercharger no power/limp mode?
  318. What sealing procedure to use for ARP head studs in water jackets?
  319. Starter solenoid
  320. Bad Lifter?
  321. livorsi gps speedo ?
  322. 496 ho sea pump
  323. Fuel pressure sensors
  324. Dry exhaust
  325. Torque spec for Gen VI oil filter adapter?
  326. Merc trim Tab Ram removal.
  327. hydraulic lines
  328. High oil temperature ?
  329. Who has red underwater LEDs and / or red LED interior lights?
  330. Water temp issue (help)
  331. Valvetrain noise in new engines
  332. How to tell what cam and lifters are in my 502
  333. starter bolt torque
  334. Cool Fuel consumption ap for Mercury engines
  335. New engine disaster need engine guru help!
  336. XR DWP vs LWP
  337. Looking for advice on 454 or 502
  338. motor knocking after tune up
  339. Remove baffles fromthru hull
  340. OK...i got shocked by my throttles today.....HELP!!
  341. Adding Silent Choice
  342. SS Bow Protector
  343. 454 mag mpi blew out spark plug and now has top end taping!!
  344. mercruiser engine alarm buzzer
  345. Need Help, Electrical mystery.
  346. Blower carbs???
  347. carb jeting question
  348. 502 Dies
  349. Octane questions
  350. Mercruiser 496 plug wires???
  351. Quick 383 build question
  352. Anybody tried to drill and tap brass inserts?
  353. TRS Anodes
  354. 2000 Formula Fastech Blows shore GFI when main boat AC breaker is flipped on - HELP!
  355. Question on Bravo lower
  356. Anyone have a pic of a merc throttle cable converted to a work on a Holley carb?
  357. Aluminum 496 manifolds - bolt hardware
  358. Best prop for carrying loads?
  359. Remote power steering reservoir pump cap for old style pump?
  360. Engine Help
  361. trying to understand what exhaust is needed and why
  362. Tach jumps all over
  363. CNY Repair Shops??
  364. We need a after market performance engine section.
  365. 0 oil pressure
  366. Water Pressure/Volume Problem.. .Help
  367. Good cleaner and protector ?
  368. DId I do something wrong?
  369. GAffrig gauge senders?
  370. looking for a 502 mag. short block or long block
  371. Bravo One Lower Unit question
  372. Best top mount starter
  373. No Power to dash or engine
  374. Boat dies when put into gear... Need help!
  375. Air /fuel ratio in super charged 540
  376. WTF is wrong that I cant post
  377. What's up with DONZIDICECT.COM??
  378. Boat engine hatch stitching coming apart
  379. 1999 502 Mag Runs at 100* Need some help...
  380. new blower motor shuts off after being run at speed
  381. Corsa Switchable opeation
  382. Volvo Dual Prop Alignment
  383. hydraulic engine hatch lift cylinder question
  384. gen VI oil filter sandwich adapter
  385. Anyone ever had a crack or weap hole in a new set of World iron heads?
  386. Water in #7? and milky oil. Need Ideas
  387. edelbrock victor jr heads leaking water
  388. Rollmaster gen 6 timing set no fit??
  389. DIACOM Marine question
  390. Name that failure!
  391. Water in merc trans ( trs drive)
  392. Trash In Fuel Filter? Areomotive Pukeing? or
  393. Valvoline Vr1 racing oil
  394. Hardin Marine Fuel Sender
  395. Beeping from boat
  396. IMCO hydraulic steering fluid?
  397. What exhaust gasket for AFR heads?
  398. Fresh 454 engine build which carb should I run?
  399. red w purple stripe or red w/black stripe
  400. 1999 Volvo Penta SBC won't start...weak spark?
  401. Swapping out my quadrajet for a holley 4160 or 4150 carb ''CARB GUYS COME ON IN''
  402. Oil temp, oil coolers, water temp and pressure advice.
  403. Blow Through Carburetors
  404. Motor back in and rear main leak !
  405. no power tomain red wire, or starter . help me please.
  406. Looking For Oil recomendation
  407. Motor Tight
  408. Rebuilding my 99 Baja 502 Mag MPI
  409. Alarm sounding, 502 MAG MPI....
  410. Where is my oil hideing?
  411. Blower Motor seems fuel starved
  412. Head gaskets
  413. Fastest Single engine V
  414. 525's Running Hot
  415. Does My Oil Filter On My 496 HO Mags Have An Anti-Drain Back Valve?
  416. fuel tank sending unit depth
  417. Transmission Cooler sizing BW 72C
  418. ARP Stainless exhaust bolts - 496 exhaust manifolds ?
  419. CMI Rep
  420. eddie marine??????
  421. Lost oil pressure and then a broken starter bolt
  422. 496 low end knock / rattle - need help
  423. Oildyne trim pump replacement motor?
  424. 575sci.... Fresh water cooling...... Anyone ?
  425. Push-On hose for fuel plumbing?
  426. power trim guage
  427. 496 HO PCM Re-Flash
  428. 26 corsa
  429. spark plug heat range selection
  430. Quicksilver mirage prop question
  431. Stainless steel Sea Pump
  432. low WOT on mercruiser 5.7 with 19p prop
  433. Issues after 502 Mag MPI swap in my 2000 Baja 272
  434. 93 502 mag power steering cooler
  435. Import a boat from Canada to the US
  436. fuel flow issues
  437. Should I change my oil?
  438. Mobil 1 V-Twin 20-50 Full Synthetic Oil
  439. Who does Vinyl Wrap ?
  440. relocating exhaust tips/header change
  441. Insurance Company Denies Claim - HELP!!
  442. Will these Corsa muffled tips create too much back pressure?
  443. New 502 block bore
  444. Blow through carb vers regular?
  445. Building my first boat engine.
  446. running boat without water for cooling? How long?
  447. 496 supercharged - oil type?
  448. oil thermostat housing and cooler priming
  449. Another Cam and reversion ? but also risers and exhaust ?
  450. Fountain K Plane Trim Solenoids
  451. Water reversion camshaft question
  452. Exhaust Valve Guide Clearance
  453. 415 hp 502 efi engine temp
  454. water jacket sealant
  455. Big block Chevy 454 Gen V cutawy drawing
  456. U-joint froze on my TRS. What part number to replace it?
  457. How to remove exhaust hose?
  458. Is it worth putting coolant hoses back to front on a 4 corner intake manifold
  459. Bravo 1 upper/lower compatibility
  460. Help with ?'s
  461. Gimbal boot ring
  462. power steering actuator and high pressure line
  463. Smartcraft System View Race Edition Help
  464. 500efi, exhaust question
  465. whipple 525 ecm flash
  466. Help with HTM
  467. drive fluid in bilge
  468. Ready to run distributors
  469. Play in Steering Wheel
  470. Switching from carb to 525's.questions?
  471. Carb box procharger
  472. Is it worth adding a PCV like on the HP500's?
  473. Will 454 risers bolt up to the 496 aluminum manifolds?
  474. wire color identification
  475. Bravo 1 gear lube capacity.
  476. Gaffrig Digital GPS speedo
  477. Carb needle material?
  478. mr gasket
  479. Is this a Bravo Drive?
  480. More Useful Information
  481. Any one know this boat?
  482. oil temp sender
  483. Dry exhaust flaps??
  484. Mr. Gasket
  485. 1988 Mark IV 454 Mag--500 rpm loss but its random
  486. Edelbrock Performer RPM Intake Manifold vs GM 6269318 marine intake
  487. Gen six 502 casting numbers
  488. do i need a 496 y pipe
  489. Where to buy neutral safety switch
  490. Lets talk mechanical fuel pumps
  491. Water pressure..draw off location?
  492. Exhaust question
  493. intake gasket
  494. where i can get this battery hold down bolt?
  495. MerCruiser 502 Mag MPI wont shut off....
  496. Help, Starter Issue
  497. idle is up at 2000 help
  498. Hydraulic Steering installation advice needed
  499. Fuel Return
  500. Stock 502 carb questions