View Full Version : General Q & A




  1. 496 Oil Cooler, where to buy!
  2. Whipple VS Procharger
  3. Is GM Vortec 454 essentially the same thing as the 300-HP L29 7.4L?
  4. I.T.S. and imco stand off boxs question
  5. optima batterys
  6. How easy to go dual hydraulic steering from single?
  7. Bimini top suggestions
  8. Mercury 800 SC's has no boost,Why?
  9. Through hull water pickup help
  10. AFR 290 VS DART Pro 1 head
  11. Ridiculous marine pricing on IAC valve
  12. Stock valve covers with AFR heads and full roller rockers
  13. Mr Gadgets, Dick tryce
  14. Reistering boat with USCG (In Illinois)
  15. leaking imco risers
  16. what should the sea water pump pressure sensor read on a 496
  17. Gen VI oil pressure reliefs/bypass
  18. Exhaust leak
  19. tailpipe wall thickness?
  20. Wet Exhaust/Steam
  21. 502 mag dumping fuel out exhaust..
  22. Towing 11,500 LB Donzi FL to MI - Tips
  23. 502 MPI engine stalling
  24. Bravo XR Trim Indicator Help Needed
  25. buttons for the out drive trim
  26. 496 fault codes help
  27. Corsa captains call power question
  28. 496 mag, double beep alarm every 60 seconds. Code 37 sea pump pressure low.
  29. Drive showers
  30. Want to put in a electric fuel pump..have questions..
  31. steering ram leaking
  32. 300vx flush kit
  33. header fitment
  34. Water leaking from exhaust y-pipe coupler?
  35. What not to do with exhaust.
  36. Need help! Raw sea water pump
  37. presssure testing exhaust ?
  38. sealer for cockpit floor ?
  39. Correct values map sensor 496 ho ?
  40. Mercruiser 496 MPI running borderline hot....
  41. Exhaust manifold and risers ok? 454 MAG MPI's
  42. Water pressure gage input
  43. 1999 502 Mag Stumble and Back Fire After Long Run Time
  44. SAT Radio Antenna Wire Question
  45. Chris Craft Cooling
  46. Repairing Gimbal Rings
  47. exhaust temperature on 525
  48. circulating pump
  49. Saltwater Flushing
  50. Procharging 454mags ??
  51. Alternatives to Procharger intercooler
  52. Boat not sitting on all trailer bunks?
  53. Old School 425 hp Coupler Question
  54. 350 Mag cooling issues HELP
  55. What fluid for trim?
  56. Please help with spark plug question on 572's
  57. Would like some input from the pro's on Carb jetting for 489 with AFR's
  58. Wiring diagram for starter lugs and slave solenoid?
  59. 350 SBC Carb Size questions
  60. 496 HO intermittently not starting back up after running it.
  61. 502EFI excessive advance
  62. Coolant temp sensor question?
  63. 496 ho bottem end strength
  64. How can you tell the diff in a bravo and an XR bravo ?
  65. IMCO Hydraulic Steering Bushings
  66. 454 carb thunderbolt IV... timing all over??
  67. 454 7.4 mpi sea pump picture what do you think???
  68. Northstar muffler rebuild kits
  69. new baja owner, blown motor , need advice please.
  70. CMI E-Top Install on 496 Mag
  71. Cuting off problem
  72. MSD ready to run distributrs? good or bad???
  73. 496 w/Whipple rebuild specs & clearances
  74. 525 help
  75. Planning to repower my 292 Fastech
  76. 454 mag mpi inboard stalling when put in neutral intermittently
  77. Stainless Marine Exh Manifolds, will they work with 700 hp engine build?
  78. Water pressure at idle?
  79. Cavitation & Overheating - Possibly related ?
  80. K Plane Parts
  81. 454 7.4 mpi l VI sea pump back flush question and help please
  82. 502 mag lack of power
  83. 525's Running Hot
  84. Has anyone seen Jerry Haney lately? Having trouble getting ahold of him.
  85. 525efi high idle after wot blasts
  86. Carb help
  87. Boat leans to port side when running..
  88. Gauges pegged?
  89. Broken sterndrive continuity screw.
  90. Strainers Leak - How to fix? (how to seal)
  91. New Add-on hydraulic steering issue
  92. Carb and 250 Blower VS Fuel Injection and Procharger
  93. merc raw water pump, 350 v8 engine driven. Water head height?
  94. 454 mpi merc oil cleaner when doing oil change??
  95. CMI E-Tops
  96. Kenwood Wired Remote Installation
  97. Need help figuring out intermittent starter issue after engine swap
  98. Possibly Selling The Boat ???'s
  99. Raptor performance & replacement engines
  100. 454 base timing
  101. Question on books for SBC marine builds
  102. Engine harness complete??
  103. Exhaust / cam question
  104. Tach flickering key on not running.... 454 carb
  105. Another Help on Cam Choice Thread
  106. Hotspots on engine
  107. Running hot vs cold plug under boost?
  108. Basset Header ?
  109. HELP! Questions on which Thermostat housing to use with EMI exhaust?
  110. Steering Issue on Checkmate 253
  111. What boat is this?
  112. ZZ502 few questions???
  113. KE 2 piece valve covers LEAK!
  114. imco powerflow exhaust revrsion
  115. Loose steering on a Formula
  116. Bent/broke push rod or broken valve spring or??? also carb issue stock 454
  117. Engine bogging after jumping waves
  118. need pro carb setting info
  119. 496 ho IAC problems what now?
  120. Who's running fuel press regulators with carbs?
  121. potential dangerous issue / fuel tank snding unit
  122. Oil and Water leaking on 496 MAG?
  123. 496HO missing at high RPM
  124. timing chain?
  125. What would cause my hydro lock???
  126. Solid roller lash check
  127. sea water pump hose connection
  128. Changing Supercharger Oil
  129. 2005 496HO MAX 4000 RPMs
  130. Adding a fuel press regulator
  131. Water Pressure/525 EFI with a Whipple
  132. Want to add an Hour Meter
  133. Marine Upholstery
  134. HP500 Small Gear Reduction Starters
  135. 1991 eliminator daytona fells like i am draging something at low speeds
  136. Wierd ignition issue....454 Thunderbolt IV
  137. 1995 502 will not go above 1800 rpms
  138. Power steering Hose thread dimensions
  139. Prop blowing out!
  140. fountain 10 meter oil temp please help
  141. Suction From Fuel Water Separating Filter
  142. New XR drives lower water pickups plugged with paint?
  143. Kill laynard....
  144. replaced engine now Alternator wont charge
  145. Any tips on removeing water from oil?
  146. Bravo XR props haft
  147. Fuel Rail?
  148. Gimbal bearing driver Alpha 1
  149. IAC for Whipple 2.3
  150. comparison, Eliminator vs Bryant
  151. Pistons.......... Not even JE can help.
  152. What is this hose that broke off my Bravo 1 gimbal? (pic)
  153. prop / engine question
  154. Elec and mechanical fuel pumps
  155. Stock Weber Carb changes for Engine upgrades ?
  156. ME3 alarm sensors broken
  157. Exhaust riser gasket
  158. Boat performance changes?!
  159. 496 ho with boost? reliable?
  160. Difference in HP500 Ignition Modules by year...???
  161. Muffler Recommendations
  162. ProCharged 502 Checkmate Prop
  163. Add on hydraulic steering issue
  164. no spark
  165. Oil Pick Up Part # for 454 gen IV mag (have the melling oil pump already) Thx
  166. Whats the deal who is who..?
  167. nos on a boat?
  168. Canton offshore pan, what's the bracket for?
  169. k planes and hyd. steering
  170. help with deciding on a new boat
  171. Thinking of making the bulkhead between the cockpit and the engines removable....
  172. transom u bolts
  173. Better to make more power from 3K - 5K, or 4K - 5500?
  174. Engine harness adapter 10-14pin
  175. Starter bolt holes
  176. I need some prop advice after doubleing horse power.
  177. Part identification
  178. 496 won't start
  179. Top mounting starter for a bravo one?
  180. 502 MAG MPI lacking power
  181. Transducer question
  182. Formula 302 LS Repower Questions
  183. B&m 250 efi mercruiser supercharger no power/limp mode?
  184. What sealing procedure to use for ARP head studs in water jackets?
  185. Starter solenoid
  186. Bad Lifter?
  187. livorsi gps speedo ?
  188. 496 ho sea pump
  189. Fuel pressure sensors
  190. Dry exhaust
  191. Torque spec for Gen VI oil filter adapter?
  192. Merc trim Tab Ram removal.
  193. hydraulic lines
  194. High oil temperature ?
  195. Who has red underwater LEDs and / or red LED interior lights?
  196. Water temp issue (help)
  197. Valvetrain noise in new engines
  198. How to tell what cam and lifters are in my 502
  199. starter bolt torque
  200. Cool Fuel consumption ap for Mercury engines
  201. New engine disaster need engine guru help!
  202. XR DWP vs LWP
  203. Looking for advice on 454 or 502
  204. motor knocking after tune up
  205. Remove baffles fromthru hull
  206. OK...i got shocked by my throttles today.....HELP!!
  207. Adding Silent Choice
  208. SS Bow Protector
  209. 454 mag mpi blew out spark plug and now has top end taping!!
  210. mercruiser engine alarm buzzer
  211. Need Help, Electrical mystery.
  212. Blower carbs???
  213. carb jeting question
  214. 502 Dies
  215. Octane questions
  216. Mercruiser 496 plug wires???
  217. Quick 383 build question
  218. Anybody tried to drill and tap brass inserts?
  219. TRS Anodes
  220. 2000 Formula Fastech Blows shore GFI when main boat AC breaker is flipped on - HELP!
  221. Question on Bravo lower
  222. Anyone have a pic of a merc throttle cable converted to a work on a Holley carb?
  223. Aluminum 496 manifolds - bolt hardware
  224. Best prop for carrying loads?
  225. Remote power steering reservoir pump cap for old style pump?
  226. Engine Help
  227. trying to understand what exhaust is needed and why
  228. Tach jumps all over
  229. CNY Repair Shops??
  230. We need a after market performance engine section.
  231. 0 oil pressure
  232. Water Pressure/Volume Problem.. .Help
  233. Good cleaner and protector ?
  234. DId I do something wrong?
  235. GAffrig gauge senders?
  236. looking for a 502 mag. short block or long block
  237. Bravo One Lower Unit question
  238. Best top mount starter
  239. No Power to dash or engine
  240. Boat dies when put into gear... Need help!
  241. Air /fuel ratio in super charged 540
  242. WTF is wrong that I cant post
  243. What's up with DONZIDICECT.COM??
  244. Boat engine hatch stitching coming apart
  245. 1999 502 Mag Runs at 100* Need some help...
  246. new blower motor shuts off after being run at speed
  247. Corsa Switchable opeation
  248. Volvo Dual Prop Alignment
  249. hydraulic engine hatch lift cylinder question
  250. gen VI oil filter sandwich adapter
  251. Anyone ever had a crack or weap hole in a new set of World iron heads?
  252. Water in #7? and milky oil. Need Ideas
  253. edelbrock victor jr heads leaking water
  254. Rollmaster gen 6 timing set no fit??
  255. DIACOM Marine question
  256. Name that failure!
  257. Water in merc trans ( trs drive)
  258. Trash In Fuel Filter? Areomotive Pukeing? or
  259. Valvoline Vr1 racing oil
  260. Hardin Marine Fuel Sender
  261. Beeping from boat
  262. IMCO hydraulic steering fluid?
  263. What exhaust gasket for AFR heads?
  264. Fresh 454 engine build which carb should I run?
  265. red w purple stripe or red w/black stripe
  266. 1999 Volvo Penta SBC won't start...weak spark?
  267. Swapping out my quadrajet for a holley 4160 or 4150 carb ''CARB GUYS COME ON IN''
  268. Oil temp, oil coolers, water temp and pressure advice.
  269. Blow Through Carburetors
  270. Motor back in and rear main leak !
  271. no power tomain red wire, or starter . help me please.
  272. Looking For Oil recomendation
  273. Motor Tight
  274. Rebuilding my 99 Baja 502 Mag MPI
  275. Alarm sounding, 502 MAG MPI....
  276. Where is my oil hideing?
  277. Blower Motor seems fuel starved
  278. Head gaskets
  279. Fastest Single engine V
  280. 525's Running Hot
  281. Does My Oil Filter On My 496 HO Mags Have An Anti-Drain Back Valve?
  282. fuel tank sending unit depth
  283. Transmission Cooler sizing BW 72C
  284. ARP Stainless exhaust bolts - 496 exhaust manifolds ?
  285. CMI Rep
  286. eddie marine??????
  287. Lost oil pressure and then a broken starter bolt
  288. 496 low end knock / rattle - need help
  289. Oildyne trim pump replacement motor?
  290. 575sci.... Fresh water cooling...... Anyone ?
  291. Push-On hose for fuel plumbing?
  292. power trim guage
  293. 496 HO PCM Re-Flash
  294. 26 corsa
  295. spark plug heat range selection
  296. Quicksilver mirage prop question
  297. Stainless steel Sea Pump
  298. low WOT on mercruiser 5.7 with 19p prop
  299. Issues after 502 Mag MPI swap in my 2000 Baja 272
  300. 93 502 mag power steering cooler
  301. Import a boat from Canada to the US
  302. fuel flow issues
  303. Should I change my oil?
  304. Mobil 1 V-Twin 20-50 Full Synthetic Oil
  305. Who does Vinyl Wrap ?
  306. relocating exhaust tips/header change
  307. Insurance Company Denies Claim - HELP!!
  308. Will these Corsa muffled tips create too much back pressure?
  309. New 502 block bore
  310. Blow through carb vers regular?
  311. Building my first boat engine.
  312. running boat without water for cooling? How long?
  313. 496 supercharged - oil type?
  314. oil thermostat housing and cooler priming
  315. Another Cam and reversion ? but also risers and exhaust ?
  316. Fountain K Plane Trim Solenoids
  317. Water reversion camshaft question
  318. Exhaust Valve Guide Clearance
  319. 415 hp 502 efi engine temp
  320. water jacket sealant
  321. Big block Chevy 454 Gen V cutawy drawing
  322. U-joint froze on my TRS. What part number to replace it?
  323. How to remove exhaust hose?
  324. Is it worth putting coolant hoses back to front on a 4 corner intake manifold
  325. Bravo 1 upper/lower compatibility
  326. Help with ?'s
  327. Gimbal boot ring
  328. power steering actuator and high pressure line
  329. Smartcraft System View Race Edition Help
  330. 500efi, exhaust question
  331. whipple 525 ecm flash
  332. Help with HTM
  333. drive fluid in bilge
  334. Ready to run distributors
  335. Play in Steering Wheel
  336. Switching from carb to 525's.questions?
  337. Carb box procharger
  338. Is it worth adding a PCV like on the HP500's?
  339. Will 454 risers bolt up to the 496 aluminum manifolds?
  340. wire color identification
  341. Bravo 1 gear lube capacity.
  342. Gaffrig Digital GPS speedo
  343. Carb needle material?
  344. mr gasket
  345. Is this a Bravo Drive?
  346. More Useful Information
  347. Any one know this boat?
  348. oil temp sender
  349. Dry exhaust flaps??
  350. Mr. Gasket
  351. 1988 Mark IV 454 Mag--500 rpm loss but its random
  352. Edelbrock Performer RPM Intake Manifold vs GM 6269318 marine intake
  353. Gen six 502 casting numbers
  354. do i need a 496 y pipe
  355. Where to buy neutral safety switch
  356. Lets talk mechanical fuel pumps
  357. Water pressure..draw off location?
  358. Exhaust question
  359. intake gasket
  360. where i can get this battery hold down bolt?
  361. MerCruiser 502 Mag MPI wont shut off....
  362. Help, Starter Issue
  363. idle is up at 2000 help
  364. Hydraulic Steering installation advice needed
  365. Fuel Return
  366. Stock 502 carb questions
  367. intake gasket
  368. 525 question
  369. Can anyone identify this fuel pump?
  370. External Steering
  371. Audio: Feedback through Amplifier with Trim
  372. Buzzing Electric Fule Pump
  373. 320EFI timing mode. HELP!
  374. VST tank vent. Will this work? pics
  375. port tab wont go down..
  376. To bypass or not to bypass...
  377. help with cam shaft 454
  378. Gen V Big block oil cooler help
  379. Broken 454, options?
  380. new help intake and carb setup
  381. Trim switch not working
  382. sea pump hose size
  383. gear lube
  384. Distributor not dropping down
  385. 525 efi power sterring pump
  386. Where can I get hatch mirrors
  387. Moving Fuel Filter
  388. Oil Pump shaft length?
  389. drive alignment questions
  390. Mercury Side Mount Control - Trailer Button
  391. driving a boat question
  392. drive indicator
  393. engine i.d. 454
  394. Hyd steering install help
  395. put in new motor, mounts not lining up
  396. 496HO 2003/ forged internals???
  397. Oil Press and VM Gauge
  398. Speedometer Hose Blew Off Thought Boat Was Sinking!!!
  399. Alarm Advise - for driveway, traveling by road & anchoring - need advise
  400. Looking for TRS Bellow part numbers 60932A4 or 54406A 1
  401. Dipstick tube extend to bottom of pan? Merc 420's
  402. 502 mpi running on 4 cylinders
  403. 500efi mysterious plug..?
  404. Can this distributor & coil be used on a carbed engine?
  405. Hyd. steering question? Need some help guys.
  406. HP 500 Bulldog
  407. So how many batteries can you safely charge??
  408. what oil in a whipple
  409. Erratic Vaccuum readings
  410. HP500 Cylinder Head Bolt Torque Spec
  411. More 575sci build questions
  412. Dual cable steering on 98 25' Outlaw
  413. Engine alignment needed?
  414. distributor
  415. Strange "dotted" pattern on valve seats and faces
  416. transom / exhaust rubber seals?
  417. help needed identifying Scarab trim tabs
  418. upolstrey shop in NE Maryland or Central P
  419. 350 mpi horizon low water pressure. on port side
  420. Captain Call Wires
  421. Do you really need hard anodizing in fresh water?
  422. need External hydro direction?
  423. What are the Standard Specs for Hp500 Cylinder Heads
  424. need adjustable FPR on 496ho raylar103kit ?
  425. Mercury Racing QCV4 - difference in length between 700 and 1350?
  426. Rebuild number for dominator carb on 540 bulldog
  427. What to do with old gas?
  428. Transom Exhaust Rings??
  429. Hex or blade oil pump driveshaft???
  430. Looking for blower belt
  431. Hardin Marine 2 stage stainless seawater pump
  432. Another 502 mag efi not starting. Tons of tests have been preformed.injectors fried?
  433. Back from the dead - and so is my boat...
  434. flywheel question."help"
  435. chiller plumbing advice needed
  436. Oil Capacity in 7.4 Mercruiser
  437. How do I get the top off this Holley carb?
  438. torque spect
  439. Valve cover gasket number for 525efi?
  440. Winter upgrades...what has everyone else been doing? Post pics, videos, etc....
  441. Merc Trim sender/limiter wiring help
  442. Sea water flow?
  443. Eddie Marine step pads
  444. valve spring compressor
  445. "Xtreme" remote thermostat
  446. cost to rebuild 500 EFI
  447. 454 mercruiser borg warner TR2 starter issues
  448. MERC 95 350 TBI injectors not working
  449. milky oil
  450. Best sealant for through haul fittings
  451. Front Cylinders not Firing
  452. Mercruiser engine questions
  453. Crane 168731 reversion?
  454. SmartCraft SC1000 gauges
  455. hatch actuators
  456. exhaust tips
  457. Dremel, which one?
  458. OK to run head studs along with head bolts?
  459. 496 intake deposits
  460. questions about 500 EFI's
  461. Through Hull Water Pickups ?
  462. max timing on 454mag MPI's
  463. Oil pressure gauge issue
  464. Bravo 3 trim strangeness...
  465. Small block or big block 30ft range ?
  466. mayfair steering problem....new install. Help needed
  467. Need HELP with correct prop nut\kit
  468. Need help raising fuel pressure
  469. head stud nuts
  470. Power assist steering pump needed
  471. K-Plane wiring diagram
  472. Squeaky Sea pump
  473. 502 Exhaust manifold gaskets - Replace?
  474. Blue smoke at idle
  475. Black silicone exhaust hose
  476. water water water
  477. 454 MPI Fuel Pump Issues, Pump not getting power
  478. open bow cat
  479. ???Can 250 chillers be modified to work with 177???
  480. 525efi coolant reservoir cover
  481. Gimble rings
  482. Helm Pump advice for #6 drives Please
  483. Cam / Exhaust question
  484. hello newbie here with a 22' stingray
  485. what are these tank fitting?? want to add return line!
  486. Purple gauge lights or boots
  487. Ignition/Distributor upgrade? Little help...
  488. Carpet for a 24 outlaw?
  489. 72c velvet drive borg warner where to buy rebuild kit
  490. PLUG GAP....what should it be?
  491. carb to efi
  492. holley commnder 950 efi
  493. Newb here from TX!!
  494. Stuck Tailstock on Wetsump #6
  495. Drive alignment on extension box?
  496. ZZ502 pushrod question
  497. 575 rebuild
  498. turning up 600sc's
  499. Remove Bearing in XR Gears?
  500. whipple adapter plate question