View Full Version : General Q & A




  1. power steering line pics..
  2. 454 Mag overheated now not running right
  3. Jetting with innercooler
  4. Hydraulic Helm
  5. Looking for a 24'- 27' open fish like this...
  6. Re-powering question
  7. Any tricks to getting AN fittings to seal?
  8. 454 build questions on cam and carb
  9. fuel injection time
  10. Need a New or Low Hour 496
  11. where to order parts for 500efi heads
  12. Procharger crankcase breathing
  13. alt belt length 454
  14. upgrade a 7.4-330hp?
  15. baja 235 force no pulling rpms
  16. Header leaked water into heads
  17. 496 Mag - OIL PSI CKT LO
  18. 496HO - Hard starting - Need help!
  19. 454 mag efi fuel issue?
  20. BBC 2 Bolt main block hp limits?
  21. Sea Water pump hoses..
  22. Stumped????
  23. Trim Indicators
  24. gps speedo question?
  25. 502 Whipple Idle HELP
  26. Formula 370 SS Prop Upgrade
  27. ECM baud rate
  28. Water Passages Blocked??
  29. 600 sci stage 1 and stage 2 kit
  30. hyd steering leak at control valve
  31. Power Steering boiling over..HELP!!
  32. fuel return line ?
  33. E 10 fuel
  34. Mercruiser 350 MPI
  35. 502 carb
  36. Bravo 1 lower unit
  37. 2010 350MAG making ticking noise, lifter or exhaust leak?
  38. water pump for 1000hp
  39. Gen 6 BBC?
  40. 100+ mph boat????
  41. props to buy for a 29' carrera effect
  42. fuel tank return line
  43. Have to Pull engines for new Couplers What should I inspect replace.
  44. ?? Installing Engine
  45. Westerbeke 4.5 question
  46. Please check out my Post in Cigerette Forum "Heres one as I scratch my head"
  47. Old ethanol gas
  48. Hynautic Helm Conversion
  49. Stereo stuff
  50. where to buy stbd mount ps/alt brackets...
  51. 500 EFI Fuel line to 502 MPI Cool Fuel Box
  52. HP 500 Carb'd Cam Upgrade Selection Expert Advice Needed
  53. HP 500 Cam Upgrade Selection Expert Advice Needed
  54. Trouble Bleeding 496HO Cooling System
  55. Leak/Pressure testing headers
  56. Anyway to make Hardin “silent seal” flappers quieter?
  57. trim switch livorsi type throttle
  58. How to hook up a thermostat housing
  59. Mercruiser Rev Limiter?
  60. Dart Pro 1 heads what plugs
  61. CMI headers for small block
  62. Looking for new Steering Setup
  63. outdrive not lowering
  64. what plugs to use?
  65. Picking up a new boat this weekend....
  66. Rebuild what do you guys do??
  67. Ignition trouble 7.4
  68. White Smoke
  69. headliner
  70. Db Help
  71. flush a oil/power steering cooler??
  72. New (old) Cigarette
  73. Procharged or not?
  74. Need oil line diagram
  75. Water in Bilge - Y-Pipe?? Please Help! - Summer Too Short in WI
  76. engines problems
  77. get me to 70...
  78. Oil filter bypass.
  79. 454...is it a HO or not?
  80. 350 riser bypass
  81. 500HP Carb idle & Choke adjustment
  82. Another oil question
  83. What Props should I try for my DCM Mach 22 500 HP??
  84. baja 270 Captain's call problems
  85. alum heads/intake and perf exhaust worth it?
  86. Hatch Lift Switch
  87. Hour Meters
  88. Kiekhaefer Aeromarine Riser
  89. 496 Ho Iac
  90. 525EFI Tech Questions?
  91. Merc Racing 525
  92. Oil pressure question........AGAIN !!!!!
  93. thru hull andf Y pipe question
  94. Wter temp with crossover to low
  95. Cooked starter, solenoid?
  96. alternator upgrade
  97. 496HO Running Rough
  98. 38 Cigarette Racing Dash Board
  99. 700sci ?
  100. Reversion??
  101. 496 whipple problems
  102. BW Trans question
  103. Thumper Cam
  104. Vapor / Air lock Help !! ????
  105. what props for this boat??
  106. Best way to add 02 sensor?
  107. engine heating up past idle
  108. Drive shaft to tight in gimbal bearing?
  109. Think I blew a drive or U-Joint HELP!
  110. Need help fast 502 gear lube bottle connections
  111. Solid roller lifters......
  112. power steering fluid or ATF in stock Merc PS?
  113. 502 or 496 HO
  114. 415HP 454 Build Question
  115. efi to carb??
  116. restarting my whole motor project! need some advice
  117. electric fuel pumps
  118. cam spec,s 370/hp merc
  119. Engine Remote Starter Switch
  120. Timing Advance for GM Vortecs?
  121. HP500 Flame Arrestor Decals
  122. 500 EFI exhaust length required to prevent reversion?
  123. Mercruiser cool fuel question
  124. where can i find exhaust plugs from thru-hubs
  125. Best Intake for a 522BBC
  126. silent choice wiring
  127. Spark Arrestor???
  128. Stock exhaust vs stainless marine exhaust
  129. Another melted exhaust hose
  130. engine shops
  131. carrera cat prop size
  132. 502 Mag MPI HP and TQ Curve
  133. Powersteering Pump Reservoir
  134. Blower Clearance
  135. buying a new oil pump!
  136. Mercruiser 425 gaskets Help!!
  137. Gen VI Mag piston rings?
  138. Breather for oil fill tube....
  139. Removing pully from sea water pump?
  140. Got CMI's?
  141. Need Exhaust Manifolds 350 Mercruiser
  142. oil filter
  143. 525 Bouncing Tach?
  144. starter on hybrid engine combo
  145. Wideband O2 target WOT
  146. alternator/ps hitting cmi headers, what can i do???
  147. Low Oil Pressure on Rebuilt 454
  148. 4 cylinders on one bank fowling out
  149. Raylar "CoolGap" intake manifold
  150. Distributor Cap ?
  151. 454 Merc and a Rough weekend running Offshore
  152. OMC 5.0L exhaust
  153. 572 intake and carb options??
  154. Help Please. 5.7 Alpha One 1990 model Mercruser wiring problem
  155. 500 EFI powersteering pump
  156. Engine Dyno/Tune in Midwest
  157. Stainless Marine 502 MPI risers work on 500 EFIs?
  158. Problems with my #3 Speedmaster
  159. water pressure guage questions
  160. Violent sound and vibration from drive/motor and leak!
  161. Can we post pics on here?
  162. 572 stroker What to do with EFI
  163. Mufflers
  164. fuel pump pressure
  165. mercruiser 10 pin plug extension
  166. 6.2 MX knocking
  167. Valve guide wear
  168. 525efi's WON'T START
  169. Mercruiser Thunderbolt Ignition Question??
  170. Strange fluctuations with trim gauge
  171. Switch problems, please help!
  172. AMC 401 in a boat
  173. fuel pressure issues - pulling my hair out!!
  174. Engine alarm constantly on help 500efi
  175. need xome help - large leak from power steering ram
  176. 496 raw water pump?
  177. would Ls6 heads be good
  178. 5.7 Mercruiser 2005
  179. Electric fuel pump return
  180. fuel pump not getting power on '97 454 MPI
  181. Hard to shift back into nuetral under load.
  182. bravo1 trim not going down
  183. Spark Plug Changes?
  184. Freeze plugged popped!
  185. wheres the neutral safety switch on a bravo setup??
  186. holley fuel lines leaking....
  187. Outboard issue
  188. bleeding hydraulic steering system
  189. bleeding hydraulic steering system
  190. engine hatch on 24 outlaw
  191. manifolds???
  192. What are they worth?
  193. Some Oil Info from the people themselves!
  194. Upgrading to a gen VI 454 what can i use from my IV
  195. Fuel Pressure Required for 454 carbs? my pumps bad?
  196. any SEADOO 951 mechanics ????
  197. Throttles not even
  198. When to tune up
  199. Where to buy 5.7 Longblock?
  200. Soft Wall Exhaust Hose...any experience?
  201. what are drop box asd-8's worth??
  202. throttle stud for holley carb????
  203. 89 454 rebuild
  204. Sea pump HELP..
  205. 525EFI Kill Switch Wiring?
  206. Trim gauge stuck full up
  207. Best prices on smartgraft gauges and acces
  208. Kiekhaefer Controls
  209. cam recommendations for 509 bbc
  210. A Lot Of Questions!! 508 & B&M 250???
  211. Roccard Marine
  212. Engine getting hot...??
  213. intake manifold
  214. fuel pump Wipple
  215. what w.o.t rpm for 1987 mercruiser 350
  216. Anybody converted 5" tails for use on sport tubes???
  217. cobra drive gaskit question
  218. internal or external ballanceing of a HP500???
  219. 496 problem
  220. Alpha 1....keep or move up to bravo 1???
  221. Drive lowers interchangeable??
  222. Weiand Team G Intake????
  223. Excessive fuel usage?
  224. 502EFI Won't rev past 3500 RPM
  225. Max WOT on a 496HO
  226. 496 Mag Warning Horn
  227. Engine mounted off center. Pros,cons
  228. Can this happen again?
  229. cherry neutral safety switch
  230. Boat Life bunks, carpet or Felt??
  231. Which fuel pump?
  232. boat seems " not level starboard to portside"
  233. Lots of water in oil... stumped!!
  234. imco powerflow hitting power steering pump hoses....
  235. HP 500 fuel/water pump
  236. Warlock 25 SXT prop blowout
  237. Mercury Outboard Trim/Tilt
  238. Which oil thermostat?
  239. carb jetting
  240. Whippled 500 EFI Injector help!
  241. What size are nuts for Gaffrig gauge's?
  242. Carb Wizard needed...?
  243. oil temp, steaming oil...:-(
  244. Broken Valve
  245. What are these?
  246. Starting problems...
  247. 502 pistons
  248. 502 cracked block repair?
  249. Prop Washers
  250. Need Help ASAP...!!!
  251. stock 500 efi push rod lengths question
  252. Bravo Outdrive Oil Cooler
  253. New light mast / flag pole?? need a new one
  254. conditions that will trigger a CONSTANT alarm?? someone please help me???
  255. Trouble getting alpha lower in the upper unit
  256. Powermaster Ultra Torque Starters
  257. CMI Headers and drip
  258. LS V8 outboard
  259. Valve cover caps milky after 30 min on hose - condensation or something else?
  260. Amsoil Z rod
  261. Finally had time to go pick up my boat
  262. Had boat fixed, want to verify
  263. gauge bulbs
  264. BBC oil filter mounting
  265. Opinions wanted....MPI or Carbs
  266. cmi/merc
  267. over heating! HELP please!!
  268. Replacing External Steering Hose
  269. 140 or 160 thermostat
  270. Melted rubber exhaust hose replace with stainless?
  271. Anyone on merc-net now?
  272. starter fuse link
  273. 500efi oil cooler removal
  274. starter bottom mount CBB
  275. serial numbers ?
  276. What do you guys use on holes below the waterline?
  277. 3.4 merc outboard
  278. xr / xz
  279. thunder bolt modules
  280. Prop size mirages
  281. engine / coupler alignment issues..
  282. Opinions needed on rebuilt engine backfiring
  283. Mark Iv Bowtie Blocks
  284. moisture meters
  285. Refigerator Question
  286. speed of a 26' checkmate
  287. formula silent thunder exhaust tips
  288. 496 make loud tone when you trun key
  289. vinyl repair?
  290. 502efi VST Line routing/ locations?
  291. Raw water pumps
  292. Raw water pumps
  293. gas fill cap
  294. Gps Speedo
  295. Probably a simple question
  296. Computer HDD Data Retrieval
  297. remote on back of boat for radio
  298. What heads should i use on a 540cui
  299. estimated speed for baja h2x
  300. 7.4 MPI fuel system
  301. 496 ho water pressure tube ???
  302. Port gauges read low
  303. HOW much HP 604CI?
  304. 700 SCI fuel pump rebuild?
  305. imco valve covers clear T&D rockers
  306. block casting #'s
  307. 500 efi getting hot?
  308. Trying to find an oil filter adaptor
  309. machine marine steering upgrade
  310. Help! Smoke on the Water!
  311. Retractable ski pylon?
  312. 502 mag help
  313. Would you own a boat if it was cool and cloudy the majority of the summer?
  314. timing and jetting.... i need small adjustments
  315. Let's talk ignition systems
  316. 8.1 496HO cam swapping, factory cam gear-1 pink dot, crank gear-pink dot and divit?
  317. Houston we have a problem!
  318. Corrugated Marine Wet Exhaust Hose...??
  319. Garmin GPS TO GPS LIVORSI SPEEDO
  320. Aviation Gas 100/130 or Racing Fuel... Really?
  321. 548 running very rich.. Flame arrestor??
  322. oil temp sender location...
  323. Guys need some supercharger advice ! and boat information
  324. NGK R 5671A-9 plugs
  325. Coolant temp sensor
  326. Adapter for 1" hex to tapered 3/4" steering post?
  327. 454 Marine Power Question
  328. 502 MPI hard to start/won't idle
  329. gen VI cylinder head gasket
  330. Trim pump hose fittings
  331. 500 efi short block questions
  332. Ignition Help
  333. Base timing
  334. Max RPMs for OME PowerSteering and ALT
  335. 2009 700SCI low oil pressure warning
  336. water coming in WTF!!
  337. fuel psi on blown carb motor
  338. Engine temp spike
  339. fuel pump question
  340. Algae in fuel tank
  341. Bad plug wire
  342. problems planing
  343. 496 HO Power Steering Problems
  344. synthetic oil in 500EFI?
  345. No Ignition Mercruiser 350 Mpi
  346. 502 efi/mpi breaking up/ cuts out.
  347. HP500 dyno chart ?
  348. running a flexplate instead of a flywheel
  349. reflash a mefi 3
  350. Teleflex Extreme cable; long length needed
  351. Trim indicator cables -
  352. Am I over carbed??
  353. scarab 22 switch alpha to bravo any tips or thoughts
  354. Plexaglass canopy
  355. Looking for Colored Screws
  356. fuel system needs for 470-500hp setups
  357. oil
  358. Headers-use less water to make louder?
  359. Problem with starter grinding
  360. How do I find out who has the loan on a boat I purchased
  361. do a plug check?
  362. Stud Girdles
  363. Overheat issue…maybe
  364. How do i remove imco gimbal ring
  365. 496 Mag w/Whipple Stage II Stock Thermostat Safe??
  366. Power Trim Hoses
  367. Loose Steering
  368. Tulipped valves
  369. Trim tab starting height?
  370. Oil Temps
  371. So how do you think this 496 will run?
  372. Mag To Ho
  373. Has anyone tried these starters
  374. 2001 454 mpi timing
  375. Can a backfire damage a new starter?
  376. Adding anodes to K Planes.
  377. Corsa exhaust question
  378. cutting out
  379. Crankcase Pressure
  380. Add-on vs. full hydraulic steering
  381. scx/sc water pickup question
  382. Baby Steps, 1st Timer: 1990 Regal Velocity 230
  383. HP500 spark plugs
  384. Tight wrist pins
  385. How much HP will MercTrans take?
  386. Drive help and opinions PLEASE!!
  387. Prop ?
  388. Water leak
  389. Changing TBI to MPI
  390. What's my CFM
  391. RMbuilder phone number
  392. 420 Mega blower
  393. gil manifolds reversion?
  394. no trim under power
  395. boat has a leaning to the left issue and break in info???
  396. Mirage plus 25P
  397. 88 baja force 235 speed question
  398. Any help at all please!
  399. Outboard Help
  400. 700sci's starting hard
  401. 500 efi long blocks
  402. 496HO over heating
  403. Speed specs
  404. 525sc upgrades?
  405. Help!!!
  406. Plumbing question
  407. powder coating???
  408. snapped alpha one pinch bolt
  409. need hatch actuator
  410. TPS AND IAC cross reference
  411. 330hp 454 dies at idle.
  412. powerquest emblem
  413. Looking at 94 29 foot scarab just want some input
  414. Which is better?
  415. Uh oh. 106db. How to get to 86? Or at least 90?
  416. Windshield Trim
  417. 24' obsession torent
  418. Gotta vent ... literally
  419. 454/502 harmonic balancer
  420. Mechanical indicator on the drive...
  421. Fuel Pump & Oil adapter
  422. water pump/blown engines???
  423. Smaller family boat?
  424. Head studs hitting IMCO manifolds
  425. McLeod Booster Failure
  426. 500EFI Whipple idle problems
  427. Livorsi ll gauges
  428. 454 Mag MPI HP rating?
  429. MEFI 1 Tuning
  430. No spark from coil - low voltage across leads
  431. depth finder install
  432. Weird temp/gauge issue going on
  433. what intake you guys running on big blocks
  434. boat carpet
  435. 454 EFI VST Fuel Pump anybody?
  436. Keeps Throwing belt...
  437. Does 502 have rectangle-port heads ?
  438. Driving me nuts (condensation?)
  439. Ilmor questions...
  440. Wiring for tab pumps
  441. Trim control switch options??
  442. 454 chev build
  443. Scan Tool???
  444. Where is Dave_N???
  445. 500 efi erratic idle
  446. engine lacking power
  447. lighting headers good or bad?
  448. One side of 496 leaner than the other-
  449. K planes and trim cylinders.
  450. Engine oil pressure issue... opinions ?????
  451. Whats the correct timing and spark plugs
  452. 1 Drive stuck up
  453. Water in my TRS trans
  454. 525EFI Have Knock Sensor?
  455. Help ID'ing 6.2 MPI
  456. Cool lookin PFD's
  457. Weird stain on Vinyl HELP?
  458. new/rebuilt engine -new oilcooler=water oil mix
  459. 30amp to 50amp adapter marine vs rv
  460. steering problems
  461. Latham Steering
  462. Hatch actuator not working!!!! HELP!!!!!
  463. wiring diagram with sensor for 01' 496ho
  464. Engine starving for fuel?
  465. Gas Guage Doesn't work
  466. Trim Sender / Gauge All over the place
  467. Spark Plugs: What is everyone using?
  468. Need a marine surveyor in Palmdale CA
  469. Machine Shop recommendations in S.D.
  470. 525 EFI slow response??
  471. 496ho Lean burn
  472. very small water leak can i
  473. new 496 head gasket issues
  474. Unknown cam specs
  475. Tach does not look right??
  476. 454 Mag EFI Cyl Head
  477. SBC getting hot at high rpm
  478. 300x vs 300xs comparison
  479. hp500 ideling high
  480. Drive / coupler alignment issue is kicking my ass!
  481. 700sci loading Up
  482. old 502 EFI MPI Tuning Kit
  483. Tachometer calibration
  484. 496 Mag Black Soot on Transom Lots of it
  485. Help Diagnose 525 EFI Stutter
  486. Stagger stringer setup?
  487. new 502 engine.
  488. Orange Fluid on Blower Manifold
  489. Blue Hp 500 vaccum line question
  490. Temp sender???
  491. Garboard drain repair
  492. Cyclone Replacements
  493. Trying to standardize fluids between multiple boats (Volvo & Merc)
  494. thunder bolt IV timing questions
  495. 502 not pumping water out exhaust even with ears on drive
  496. Air fuel ratio...wet exhaust???
  497. Swapping steering
  498. Loss of Power at WOT
  499. 540 build help
  500. RPM differential