View Full Version : General Q & A




  1. Steering issues... need some guidance.
  2. Remote oil filter compatibility
  3. crane HI 6M manual needed and/or advise
  4. 496 Mag oil pressure sender
  5. Moisture in the exhaust manifold
  6. Highest OIl Temps that are safe
  7. Anyone use sound insulation in their engine compartment/ bilge?
  8. Stainless Marine Symmetry
  9. props
  10. Anyone used the canton 22-592 oil filter adapter? Need some help.
  11. Heat Exchanger end caps
  12. 496 ho knock sensor fault
  13. 500 EFI valve adjustment
  14. Coupler Runout??????
  15. AFR Carb adjust question
  16. How can this happen
  17. Throttle Resistance
  18. Sea strainer Question
  19. Gil exhaust bolts
  20. How to joint haxbyspeed
  21. overheating/cooling off/ overheating 540 BBC
  22. Spark plug gap? Roots blown 548
  23. Getting your azz cleaned by a toon
  24. Battery issue?
  25. Which want to install hatch?
  26. 525 sc fuel pump
  27. oil viscosity for morel
  28. Head Bolts 525 efi?
  29. Cast Head Gurus...Need help
  30. Yamaha sho jet ski. Any knowledge anyone
  31. Power wire for elec choke
  32. Yearly maintenance, and switching to synthetic
  33. Timing curve for superchargers
  34. Does anybody use any tread sealer on outdrive external trim hydraulic hose fittings?
  35. Picking up new to me Warlock 29 this weekend!!
  36. Best oil for 509 mercruiser supercharged mild build 787 hp?
  37. HP 500 rev limiter question
  38. Weird issue bleeding full hydraulic steering rams....
  39. Volvo Penta Hard Finding Neutral
  40. Y Pipe Block Off?
  41. Pressure relief valve...how do you set it?
  42. Merc 496HO sudden shutoff!
  43. 2003 28'profile
  44. Fuel tank size on 2007/2008 Renegade 38' Cuddy
  45. 496 ho sea water pump not pumping
  46. Will 93 baja 220/240 deck hatch fit 88 baja sport 226
  47. 25w50
  48. Borg warner velvet drive fluid change recommendation
  49. They say blown power is not trouble free power, is that true?
  50. SSM 3 what tranny to use
  51. Exhaust angle
  52. Rinda Techmate Pro
  53. Gaffrig flame arrester question
  54. 540 build cam selection with gil exhaust
  55. Should I glass my bulkhead in or just screw it
  56. When bleeding surge brakes why can't you just pump the safety/break away lever?
  57. 500 EFI Starter
  58. Internal exhaust flappers?
  59. Gen IV remote oil filter fitting stripped
  60. Bmp aluminum heads on 500efi
  61. 496 HO on-going issue - fuel related
  62. 4 and 7 swap
  63. Prochargers with MEFI 1 ?
  64. Stainless Steel Steering Wheel - HOT????
  65. Sea strainer for chiller that won't break the bank
  66. Paint on motors?
  67. Help with noise
  68. Getting frustrated!
  69. Are these Merc Gear Lubes the same?
  70. Backfiring through intake
  71. 496ho shutting off
  72. Shotguns destroyed after an hour ???
  73. fuel pump
  74. Port Matching Intake
  75. Fuel pump over flow hose
  76. Playboy getting Head
  77. Why 50 weight oil?
  78. Aftermarket bearings seals for sea water pump
  79. 496 efi high idle
  80. Generic Oxygen sensor
  81. Extension Boxes Help.....
  82. 383 Carb Questions
  83. 25' Daytona setup and progress
  84. 35 Cigarette Trs mistress/cafe spin in or out??
  85. Omc cobra outdrive vs king cobra outdrive
  86. Cooling issue - water flow, need some guidance
  87. Installing a blower scoop in the hatch
  88. 454 MPI wont turn above 3200rpm
  89. Fuel pressure with carbs. Volume vs psi
  90. How to Remove This Charger?
  91. Scorpion marine endurance clearance?
  92. Exhaust Gasket Preference for Aluminum Manifolds?
  93. water pressure regulator
  94. Closed Loop Conversion
  95. Scorpion roller Rockers...
  96. 96 mpi mefi 1 no fuel pump or beep
  97. BBC Hyd Roller Lifter Lift
  98. 496,,trim limit switch
  99. Drive trim sender - any way to test?
  100. Camshaft ID help
  101. MEFI tuner in Lake Norman, NC area.
  102. How to identify 15' Boston whaler YEAR
  103. lineup ssm3 and engines
  104. Mechanical vs Electric fuel pumps
  105. Fuel coolers
  106. Thus just pulled into my service drive....
  107. What size Oetiker clamps
  108. bilge pump replacement advice
  109. Blower jetting
  110. K-Plane Reinstall
  111. Battery isolator or Voltage Sensing Relay
  112. Stock Fuel/Water separator hp limit
  113. Rattle noise
  114. 502 MPI Water Pressure - Part 2
  115. Where should the oil filter be located?
  116. WHAT IS THE Correct Model Racor filter fuel gas for 496HO?
  117. Does anyone know Jim Benny???? Motor builder in Maryland
  118. Best mufflers for 509 mercruiser with blower 787hp
  119. 1974 Monza 26
  120. Hydraulic Steering Upgrade
  121. 502 extreme water temperature fluxuation under power
  122. Intake or spacer
  123. 502 MAG MPI - upgrade heads or stay stock???
  124. Another 5.7 mercruiser will not start.
  125. Holley Ultra XP carbs ~ any feedback?
  126. Through hull pickups
  127. Hardin Marine Seaward Small Block Exhaust System? Anyone running them?
  128. Mercury 500 EFI Water Pressure sending unit
  129. Help! I don't know what I'm doing but I really want a boat.
  130. Prop shaft depth
  131. Anti-reversion plate vs shear plate
  132. T Bolt Clamps
  133. 502 Mag engine noise with video.
  134. Thunder & Lightning Headers/Manifolds - Has any body ever used these?
  135. Cleaning bilge; what is this?
  136. Shore Power Reverse Polarity
  137. Looking for these flappers 3 1/2 inch
  138. Changing oil with oil coolers?
  139. 496 Mag HO fuel pump fittings
  140. Hydraulic lifter
  141. Bravo 3 propellers choice. Best guess needed.
  142. 525 efi oil temp sender location
  143. Switching from Thunderbolt V, to Thunderbolt IV, which module would be best?
  144. 500 Efi need wiring colors on alternator
  145. Anyone tried the Bblades Speed prop?
  146. Counter Rotating Engine
  147. 496ho mag help please!!!
  148. Low compression cylinder 7 and 8/ blowing smoke out of valvecovers
  149. Quench vs static Compression Question
  150. Merc 900sc jetting
  151. Transom leak ?
  152. 454 7.4 gen iv head casting numbers please
  153. Is gen 6 330hp flywheel the same as gen 6 magnum?
  154. Water hose in XR drive
  155. Exhaust Steam
  156. Sea pump recommendations
  157. just noticed this? how much of a problem?
  158. Cmi e-top repair help needed!!!
  159. New exhaust Christmas in April
  160. Fuel Filter Question on EFI
  161. Can someone please Identify this 280 K plane part!
  162. 500 EFI whipple kit, exhaust?!
  163. 500 efi thermostat housing
  164. What exhaust systems fit Sidemount Whipple on 500 EFI Intake?
  165. Running engine out of boat
  166. Lucas Speed Limter
  167. Thoughts on fuel additives
  168. What can make 500 EFI shoot oil out the dipstick tube?
  169. Engine run stands
  170. EFI Fuel system configuration
  171. closed cooling system kit 750hp
  172. Top mount control opening size
  173. Break in oil
  174. Hull mounted water pickups for 25' daytona
  175. Mercury optimax with smartcraft connecting analog gauges
  176. Pressure check valves for IC piping
  177. Boyne Thunder Street Show 2017
  178. Rod ratio vs reversion
  179. Oil pressure or oil temp gauge?
  180. Newbie building a performance 454 needs experienced advise
  181. Electric pump as well as raw water pump?
  182. k plane cable question
  183. LS speed density
  184. BUP: injector help
  185. MEFI 4 adx file
  186. adding full hydraulic to a low pressure hydraulic steering system
  187. Full Hydraulic Steering vs Add on kit or maybe a (DIY Brizilan Valve?)
  188. I found a prop that has exhaust holes in it.
  189. 700 SCI idle adjustment
  190. Anyone have a set of CMI tailpipes w/o silent choice???
  191. How to read spark plugs.
  192. What is wrong
  193. Cam gurus!
  194. Oil pressure issue......
  195. 525efi Questions
  196. Quicksilver Oem Part # 47530 Hub
  197. Transport of boat estimate
  198. MEFI 4 sensor supply voltage
  199. Ok, so how fast will this old pig run? 24-7 pantera.
  200. Length of cables
  201. AC Units - installed
  202. Docking lights
  203. Oil leak at distributor.
  204. B&M250's
  205. 502 mag MPI cooling system
  206. 565s short on Rpms
  207. New 572 builds hp guesses
  208. seawater pump impellers
  209. Help help help help help!!!!!
  210. Video of motor in a Formula 303 I am (was) considering purchasing, please advise
  211. Merc 177 blower Upper Pulley
  212. Exploding Head
  213. Remflex Exhaust Gasket PN
  214. 454 Magnum MPI will not go over 3000 RPM when in gear
  215. Thermostat housings
  216. Cam Upgrade comparison....
  217. Does hail damage boat even if nothing is visible ?
  218. Carb comparison article
  219. Fuel Tank sender depth
  220. Adding another Trim Indicator
  221. Power steering , hard
  222. What length/part # is a mercruiser serpetine belt 2000 MPI 8.2 w/o PS.
  223. Flare to AN adapter
  224. fuel issues
  225. Duel Side by side gas tanks-fill?
  226. comp cams short travel hyd roller lifters
  227. Pit stop USA
  228. 575sci/ ITS School me!
  229. 496 HO belt squeak/pulley when cold
  230. stock 525 efi lifter
  231. Lifter madness
  232. ProMaxx 317 heads arrived
  233. Prop depth
  234. Distributors
  235. Trying to post pics on my classified ad but it keeps saying they are too big.
  236. Upgrading throttle body and flame arrestor
  237. J tubes
  238. Piston Rings
  239. Air Fuel Ratio Meter
  240. Welding Aluminum Exhaust Manifolds
  241. Trs drive/merctran 2
  242. 482 merc
  243. Carb linkage ratio
  244. Source or cross reference for merc 502/500 fuel pump harness end
  245. Lathem steering rams?
  246. Replacement injectors for 2000 500 EFI?
  247. hardin marine vs stainless marine question
  248. Diesel fuel system question
  249. 575SCi
  250. Bracket for Holley smart coils
  251. Ford Mercruiser
  252. Anyone have 496 Serpentine belt crossover numbers ?
  253. Gauges
  254. Oil pressure sending unit BBC
  255. cam shafts
  256. blower vs naturally aspirated engine
  257. Anyone familiar with Marine power source in Miami?
  258. Trim position issue
  259. 598 CI - what whipplecharger?
  260. Merc 900 valve Springs and lifters
  261. 500 hp efi nameplate placard
  262. Oil pressure/Oil restrictors
  263. How to jump a mercruiser connector?
  264. Prop Question
  265. Blowers and Comp ratio
  266. Needing more total timing 1997 Mecruiser 5.7
  267. Matching Powdercoat Colors
  268. Have trim switch question???
  269. Prop spin in or out?
  270. 604ci build. Ready run msd or ignition box?
  271. MerCruiser 7.4L 310HP Running Rough and throwing code 43 Continuous knock
  272. Livorsi shipping charges...
  273. Manually Degreed Cam Lobes
  274. Corretti Racing Engines
  275. cam advise for 454 mag
  276. Propeller Bag
  277. Ending Soon,Only slight vibration be quick.
  278. 525 cam installation
  279. Engine wiring harness
  280. Where can I buys these
  281. How to Detect Valve Train Instability
  282. Hp 500
  283. 496 ho electrical issue?
  284. What oil cooler should I buy for 5.7 MAG GEN +?
  285. Best Carb for Stock 350
  286. New 1100hp BBC build.
  287. Crossover question?
  288. Nose cones
  289. 454 Mag compression
  290. LS 454 in crate, how much is it worth and how do I get rid of it?
  291. 454 build
  292. Blower cams
  293. Boxes or no boxes on 388 hustler
  294. plug for 1996 35 fountain lightning
  295. 502 MPI water pressure question
  296. Oil temp locations...??
  297. Portside Gauges Register Low
  298. OMC king cobra
  299. 454 Vortec Vs. Gen 5 454
  300. Need a welder.................
  301. Powdercoating pulleys
  302. Your Ideas for 454 build for 1000-4000RPM with most torque
  303. holley terminator fuel injection
  304. In depth- LSA explained
  305. Electric water pump, yay or nay?
  306. 502 MPIs
  307. MG502 Difference
  308. 502 MPI - valve cover vent tube size.
  309. 525 efi water temp sender
  310. Down turn / Underwater Exhaust?
  311. Interresting teardown
  312. Engine power question N/A motor
  313. Coolant hose question
  314. best oil for 500efi
  315. PPI before purchasing engines?
  316. Question on 380 K planes
  317. Running Hard: RPM + Distance
  318. Can someone lookup serial number 0C352476?
  319. Dual Dominator Blower carb Accellerator pump tuning/linkage adjustment
  320. Storing/Working on boat of trailer
  321. Looking for a new Lovett 900 bildge pump
  322. Valvetrain vids
  323. Can we make a Sticky for how boats are constructed? Useful when buying used boats....
  324. Aluminum hub coupler or Steel?
  325. TB IV timing different from G5 454 to G6 502?
  326. 454 Magnum EFI experts, I have some questions regarding a pending boat purchase
  327. Mercruiser power steering pump vs. Automotive pump
  328. Shipping a BBC
  329. Need Trim pump ID from KAAMA boats PIcs inside
  330. Mechanical fuel pump
  331. flushing without Drives?
  332. Good oil thermostats??
  333. Fuel issue
  334. What size carbs for B&M 250 blowers
  335. Saltwater used engine
  336. Ditch MerCathode for Anode Protection?
  337. Carpet Backing
  338. Mercury Verado 300's
  339. The rookie
  340. Best way to mount stand up bolster seats
  341. Header feedback
  342. 525 EFI question....
  343. Looking for cam ideas 5.7 Vortec Carb
  344. K/E Spring Oilers
  345. low compression 548 dyno testing has begun!!
  346. new standard lower
  347. Big cube 454 for fun
  348. 500efi hp gains
  349. WTB Air Dock Lift
  350. Rochester Quadrajet
  351. HP500efi Cylinder Heads
  352. Rigging/plumbing things
  353. Supercharged 502 versus HP500's
  354. Edelbrock EFI fuel pumps
  355. Where to buy windshield grommets for windshields?
  356. Will the Canton 90 Degree oil filter block adapter support both filter & cooler?
  357. Timing set for gen v block with step nose cam
  358. What happened to black baja
  359. BBC blower pistons.
  360. HP 500 Rebuild expertise
  361. Where to buy "Stainless marine" exhaust gaskets, disk gasket between the manf. &pipe
  362. Which Gimbal Anode? Two Part #'s Showing.
  363. Oil pans BBC
  364. Would you be afraid of buying a boat with these motors?
  365. Oil filter head.
  366. Need slightly taller 502 valve covers...
  367. Innotech dash panels??? Still in biz???
  368. Who's got a desk top dyno?
  369. 1985 454 best heads to use?
  370. Valve Cover Options , Opinions Needed
  371. Found something inside a coolant hose
  372. Tail pipe builder Grand Rapids MI area
  373. Bbc SC deck height
  374. Dump the Carb, intake, or both?
  375. Moisture in valve cover
  376. 540 build exhaust question
  377. Stainless marine to stellings width issues?
  378. Changing gear oil in mechanical fuel pump in 525EFI...
  379. Question on intakes
  380. Carb CFM
  381. 525,600,700 header gaskets
  382. 496 water actuators
  383. Solid roller duration vs hyd roller duration.
  384. Spark Plugs 496HO
  385. Did they ever make a 350 Vortec engine with a fuel pump boss?
  386. Merc 700sci
  387. Refinish Bravo One in Detroit
  388. another cam thread
  389. P5 Hydromotive Props on Formula 382 with 500 EFI
  390. Replacement oil filter/cooler lines/USCG approval?
  391. Adjustable guide plates
  392. Is anyone running an in the tank fuel pump?
  393. Were can I get these
  394. Moisture in heads and top side of Valve cover help.
  395. Trim Tabs quesitons
  396. 496 mag HO longevity
  397. extension box on this typ of hull and transom?
  398. cam suggestion
  399. engine oil temp sender
  400. Some videos thought I'd share .
  401. Fountain dash panel labels
  402. Drive shower option
  403. upgraded 500efi shift issues
  404. Impermeable Masking (Type) Tape?
  405. 502 engine build
  406. Extension box?
  407. Sea strainer install question
  408. Some Saturday Motor Fun
  409. 330hp 454 Flame Arrestor work on a 502HO?
  410. Afr heads with PAC 8002 spring upgrade.
  411. Gen V heads on a Gen IV block head gasket?
  412. Carb question. 850 vs 800
  413. LED Docking lights, any experience suggestion.
  414. Carb question
  415. Cam Question
  416. Need boat surveyor in NJ near Atlantic City/Little Egg
  417. Hawaiian jet boat
  418. Does Silent Choice contribute to reversion?
  419. 2.3L whipple blower Safe Limits
  420. Will carb need rejetted?
  421. Blower surge Make it stop
  422. 502 Mag Rebuild
  423. Heads Iron Vs alunimum
  424. Anyone seen gear lube leak out of water intake?
  425. Mercruiser 400 cyclone info needed
  426. Not fast enough, help!!
  427. Used merlin heads worth anything? 1 is cracked
  428. Imco sc -3
  429. Got my heads back fresh with a little clean up and a cam suprise
  430. Mercruiser 7.4 454 mpi overheating?
  431. Gen 6 firing order question
  432. Scorpion rockers
  433. Carb spacer or no ?
  434. Cam identification, please.
  435. Promaxx 320 flow numbers
  436. What Does OSU Do On Gibraltar Island @ PIB?
  437. Muscle car related vacuum advance vs piston speed
  438. Cobra Power
  439. installing imco +3 box, dropped
  440. Stamped Engine ID #'s
  441. Bad set of rings?
  442. Need a pic of p/s pump on 454/502 MPI v-belt engine w/ ProCharger
  443. idle adjustment 575 sci
  444. Injector cleaner
  445. 525 Repair Costs??
  446. Need some advice,procharger or 177blower
  447. 502 MPI aftermarket exhaust manifold
  448. Magic VooDoo 39 - any information appreciated!!!
  449. Can someone tell me year this engine is? Serial Number is
  450. engine question, good base or not
  451. Hub kit
  452. Roller rocker debate
  453. Bravo XR Trim Insert Adjuster Positioning
  454. Gen VI 489 +20 build
  455. Need Hydro Hoyst, Air Dock for 38' boat
  456. 604ci Nortech motors
  457. Deleting cooling hose merc BBC
  458. Need Crand HI-6M instructions
  459. Impeller and hose trouble with Hardin pump
  460. 496 crank kit, quality & fair priced kit for home builders. Help
  461. transom straps
  462. 1996 formula 27 sr1 graphics
  463. Hull issues
  464. Bandit motors
  465. Help identifying engines
  466. Manifold Longevity
  467. hp 500 carb question
  468. Oil Pressure
  469. anyone know this guy on here
  470. SSM Exhaust
  471. Hynautic Steering Question (Not smooth when wheel turned)
  472. Transom Plates
  473. Arneson Drive traits
  474. 1981 Scarab S Type 330 TRS. Outdrives can easily move either direction not running.
  475. Premature main engine bearing failure mystery
  476. Lobe separation
  477. AFR 300 magnum prices
  478. Needing help with h i n #s help help
  479. Teague 825 EFI Vs Merc 525 Supercherged Stage 1 Whipple
  480. Whipplecharged 540 maintenance
  481. blower height above crankshaft
  482. Professional Motor rebuild question...
  483. Converting to closed cooling
  484. Oil pressure sending unit mounting orientation
  485. Question on bravo gimble
  486. distributor gears.
  487. Converting EMI Thunder wet passage riser gasket joint to dry.
  488. Magic 28ft Deck Boat 525 Whipple Upgrade
  489. Pulling 330 TRS Engines tips and tricks been awhile 81 scarab S Type
  490. Hey Full Force Tim
  491. Daytona
  492. Supercharged 540 Camshaft
  493. Overheating 350 in 1977 scarab 300
  494. No wake zone low speed miss
  495. Manual oil temp control??
  496. Gen v 454 merc mag efi cracked block, replace block or entire engine??
  497. Help - Need parts for a 7.4L/454ci GM Delco Voyager EST Distributor
  498. When should heads be rebuilt/serviced with closed cooling ???
  499. Please help! 89 Johnson 90hp
  500. Who wants to play