View Full Version : General Q & A




  1. Q-jet jetting question on modified Mercruiser
  2. PowerBoat P1 Driveline Torque Sensor Device
  3. Hardin Marine stainless steel sea pump with the cross over
  4. Installing oil coolers on a smallblock alpha, crossover set up
  5. 502MPI - Odd IAC and spark readings
  6. Bravo water pickup hose inside the transom assembly ??
  7. 454 Mag Mpi Issues
  8. edelbrock heads vs peanut port for 454....
  9. 502-454
  10. k-plane trim limit..
  11. Innercooler cores
  12. Engine Guru's - Need help-Take a look
  13. ezstriper , part number please ?
  14. power steering cooler leak?
  15. 525 Efi
  16. Mercruiser 350 Bravo, ignition timing questions
  17. 454 rebuild help please
  18. sea strainers
  19. Engine hatch hinges and removal
  20. 575 upgrade
  21. Bolster pump leaking
  22. Rockers coming loose
  23. donzi zx 28
  24. 350 Sci Verado problems?
  25. Boat darting right randomly
  26. Which Heads for a 496 Stroker
  27. shorepower battery charger shuts off after 24hrs
  28. 502 Overheating --- help
  29. imco or sportmaster lower unit vs xr lower unit
  30. Crack in Sportmaster Lower
  31. Weird metal markings on 300 ProMax
  32. 502MPI - Intermittent Crank, No Start
  33. 500HP max RPM
  34. marine circulating pump versus automotive
  35. Adjustable fuel pressure regulator
  36. short in ignition?
  37. altenaor ?
  38. sunblock stain
  39. 7.4 MPI running rich
  40. Hp 525 Wiring Issue
  41. Engine temp question
  42. 2000 Fountain Battery conection ????
  43. fuel pump
  44. K plane thru hull fitting question
  45. Any empty trailers moving South from the N.E. to S. Florida?
  46. 454 Project Questions
  47. Help with Shift problem
  48. Need Help ASAP
  49. Block Drain Problem
  50. Timing Chain vs Timing Gears
  51. Oil pressure drops to zero
  52. trim tab install
  53. Mercury 525efi ECU question
  54. 350 vs 383
  55. Carb HP500's Question
  56. Found the Problem with Oil out of exh!!
  57. Hp500 Oil Stat
  58. Honda 2000i Generator
  59. IAC Help?
  60. 575 Sci
  61. oil filter change oil pressure loss
  62. Formula 272 SR1...lost steering while running hard
  63. MAG MPI intake manifold options?
  64. Right prop??
  65. 3 wire sensor on 7.4 mercruiser.
  66. Need Help! Alpha Transom Assy. question
  67. Oil coming out of exhaust
  68. vinyl cleaning help.
  69. power steering line pics..
  70. 454 Mag overheated now not running right
  71. Jetting with innercooler
  72. Hydraulic Helm
  73. Looking for a 24'- 27' open fish like this...
  74. Re-powering question
  75. Any tricks to getting AN fittings to seal?
  76. 454 build questions on cam and carb
  77. fuel injection time
  78. Need a New or Low Hour 496
  79. where to order parts for 500efi heads
  80. Procharger crankcase breathing
  81. alt belt length 454
  82. upgrade a 7.4-330hp?
  83. baja 235 force no pulling rpms
  84. Header leaked water into heads
  85. 496 Mag - OIL PSI CKT LO
  86. 496HO - Hard starting - Need help!
  87. 454 mag efi fuel issue?
  88. BBC 2 Bolt main block hp limits?
  89. Sea Water pump hoses..
  90. Stumped????
  91. Trim Indicators
  92. gps speedo question?
  93. 502 Whipple Idle HELP
  94. Formula 370 SS Prop Upgrade
  95. ECM baud rate
  96. Water Passages Blocked??
  97. 600 sci stage 1 and stage 2 kit
  98. hyd steering leak at control valve
  99. Power Steering boiling over..HELP!!
  100. fuel return line ?
  101. E 10 fuel
  102. Mercruiser 350 MPI
  103. 502 carb
  104. Bravo 1 lower unit
  105. 2010 350MAG making ticking noise, lifter or exhaust leak?
  106. water pump for 1000hp
  107. Gen 6 BBC?
  108. 100+ mph boat????
  109. props to buy for a 29' carrera effect
  110. fuel tank return line
  111. Have to Pull engines for new Couplers What should I inspect replace.
  112. ?? Installing Engine
  113. Westerbeke 4.5 question
  114. Please check out my Post in Cigerette Forum "Heres one as I scratch my head"
  115. Old ethanol gas
  116. Hynautic Helm Conversion
  117. Stereo stuff
  118. where to buy stbd mount ps/alt brackets...
  119. 500 EFI Fuel line to 502 MPI Cool Fuel Box
  120. HP 500 Carb'd Cam Upgrade Selection Expert Advice Needed
  121. HP 500 Cam Upgrade Selection Expert Advice Needed
  122. Trouble Bleeding 496HO Cooling System
  123. Leak/Pressure testing headers
  124. Anyway to make Hardin “silent seal” flappers quieter?
  125. trim switch livorsi type throttle
  126. How to hook up a thermostat housing
  127. Mercruiser Rev Limiter?
  128. Dart Pro 1 heads what plugs
  129. CMI headers for small block
  130. Looking for new Steering Setup
  131. outdrive not lowering
  132. what plugs to use?
  133. Picking up a new boat this weekend....
  134. Rebuild what do you guys do??
  135. Ignition trouble 7.4
  136. White Smoke
  137. headliner
  138. Db Help
  139. flush a oil/power steering cooler??
  140. New (old) Cigarette
  141. Procharged or not?
  142. Need oil line diagram
  143. Water in Bilge - Y-Pipe?? Please Help! - Summer Too Short in WI
  144. engines problems
  145. get me to 70...
  146. Oil filter bypass.
  147. 454...is it a HO or not?
  148. 350 riser bypass
  149. 500HP Carb idle & Choke adjustment
  150. Another oil question
  151. What Props should I try for my DCM Mach 22 500 HP??
  152. baja 270 Captain's call problems
  153. alum heads/intake and perf exhaust worth it?
  154. Hatch Lift Switch
  155. Hour Meters
  156. Kiekhaefer Aeromarine Riser
  157. 496 Ho Iac
  158. 525EFI Tech Questions?
  159. Merc Racing 525
  160. Oil pressure question........AGAIN !!!!!
  161. thru hull andf Y pipe question
  162. Wter temp with crossover to low
  163. Cooked starter, solenoid?
  164. alternator upgrade
  165. 496HO Running Rough
  166. 38 Cigarette Racing Dash Board
  167. 700sci ?
  168. Reversion??
  169. 496 whipple problems
  170. BW Trans question
  171. Thumper Cam
  172. Vapor / Air lock Help !! ????
  173. what props for this boat??
  174. Best way to add 02 sensor?
  175. engine heating up past idle
  176. Drive shaft to tight in gimbal bearing?
  177. Think I blew a drive or U-Joint HELP!
  178. Need help fast 502 gear lube bottle connections
  179. Solid roller lifters......
  180. power steering fluid or ATF in stock Merc PS?
  181. 502 or 496 HO
  182. 415HP 454 Build Question
  183. efi to carb??
  184. restarting my whole motor project! need some advice
  185. electric fuel pumps
  186. cam spec,s 370/hp merc
  187. Engine Remote Starter Switch
  188. Timing Advance for GM Vortecs?
  189. HP500 Flame Arrestor Decals
  190. 500 EFI exhaust length required to prevent reversion?
  191. Mercruiser cool fuel question
  192. where can i find exhaust plugs from thru-hubs
  193. Best Intake for a 522BBC
  194. silent choice wiring
  195. Spark Arrestor???
  196. Stock exhaust vs stainless marine exhaust
  197. Another melted exhaust hose
  198. engine shops
  199. carrera cat prop size
  200. 502 Mag MPI HP and TQ Curve
  201. Powersteering Pump Reservoir
  202. Blower Clearance
  203. buying a new oil pump!
  204. Mercruiser 425 gaskets Help!!
  205. Gen VI Mag piston rings?
  206. Breather for oil fill tube....
  207. Removing pully from sea water pump?
  208. Got CMI's?
  209. Need Exhaust Manifolds 350 Mercruiser
  210. oil filter
  211. 525 Bouncing Tach?
  212. starter on hybrid engine combo
  213. Wideband O2 target WOT
  214. alternator/ps hitting cmi headers, what can i do???
  215. Low Oil Pressure on Rebuilt 454
  216. 4 cylinders on one bank fowling out
  217. Raylar "CoolGap" intake manifold
  218. Distributor Cap ?
  219. 454 Merc and a Rough weekend running Offshore
  220. OMC 5.0L exhaust
  221. 572 intake and carb options??
  222. Help Please. 5.7 Alpha One 1990 model Mercruser wiring problem
  223. 500 EFI powersteering pump
  224. Engine Dyno/Tune in Midwest
  225. Stainless Marine 502 MPI risers work on 500 EFIs?
  226. Problems with my #3 Speedmaster
  227. water pressure guage questions
  228. Violent sound and vibration from drive/motor and leak!
  229. Can we post pics on here?
  230. 572 stroker What to do with EFI
  231. Mufflers
  232. fuel pump pressure
  233. mercruiser 10 pin plug extension
  234. 6.2 MX knocking
  235. Valve guide wear
  236. 525efi's WON'T START
  237. Mercruiser Thunderbolt Ignition Question??
  238. Strange fluctuations with trim gauge
  239. Switch problems, please help!
  240. AMC 401 in a boat
  241. fuel pressure issues - pulling my hair out!!
  242. Engine alarm constantly on help 500efi
  243. need xome help - large leak from power steering ram
  244. 496 raw water pump?
  245. would Ls6 heads be good
  246. 5.7 Mercruiser 2005
  247. Electric fuel pump return
  248. fuel pump not getting power on '97 454 MPI
  249. Hard to shift back into nuetral under load.
  250. bravo1 trim not going down
  251. Spark Plug Changes?
  252. Freeze plugged popped!
  253. wheres the neutral safety switch on a bravo setup??
  254. holley fuel lines leaking....
  255. Outboard issue
  256. bleeding hydraulic steering system
  257. bleeding hydraulic steering system
  258. engine hatch on 24 outlaw
  259. manifolds???
  260. What are they worth?
  261. Some Oil Info from the people themselves!
  262. Upgrading to a gen VI 454 what can i use from my IV
  263. Fuel Pressure Required for 454 carbs? my pumps bad?
  264. any SEADOO 951 mechanics ????
  265. Throttles not even
  266. When to tune up
  267. Where to buy 5.7 Longblock?
  268. Soft Wall Exhaust Hose...any experience?
  269. what are drop box asd-8's worth??
  270. throttle stud for holley carb????
  271. 89 454 rebuild
  272. Sea pump HELP..
  273. 525EFI Kill Switch Wiring?
  274. Trim gauge stuck full up
  275. Best prices on smartgraft gauges and acces
  276. Kiekhaefer Controls
  277. cam recommendations for 509 bbc
  278. A Lot Of Questions!! 508 & B&M 250???
  279. Roccard Marine
  280. Engine getting hot...??
  281. intake manifold
  282. fuel pump Wipple
  283. what w.o.t rpm for 1987 mercruiser 350
  284. Anybody converted 5" tails for use on sport tubes???
  285. cobra drive gaskit question
  286. internal or external ballanceing of a HP500???
  287. 496 problem
  288. Alpha 1....keep or move up to bravo 1???
  289. Drive lowers interchangeable??
  290. Weiand Team G Intake????
  291. Excessive fuel usage?
  292. 502EFI Won't rev past 3500 RPM
  293. Max WOT on a 496HO
  294. 496 Mag Warning Horn
  295. Engine mounted off center. Pros,cons
  296. Can this happen again?
  297. cherry neutral safety switch
  298. Boat Life bunks, carpet or Felt??
  299. Which fuel pump?
  300. boat seems " not level starboard to portside"
  301. Lots of water in oil... stumped!!
  302. imco powerflow hitting power steering pump hoses....
  303. HP 500 fuel/water pump
  304. Warlock 25 SXT prop blowout
  305. Mercury Outboard Trim/Tilt
  306. Which oil thermostat?
  307. carb jetting
  308. Whippled 500 EFI Injector help!
  309. What size are nuts for Gaffrig gauge's?
  310. Carb Wizard needed...?
  311. oil temp, steaming oil...:-(
  312. Broken Valve
  313. What are these?
  314. Starting problems...
  315. 502 pistons
  316. 502 cracked block repair?
  317. Prop Washers
  318. Need Help ASAP...!!!
  319. stock 500 efi push rod lengths question
  320. Bravo Outdrive Oil Cooler
  321. New light mast / flag pole?? need a new one
  322. conditions that will trigger a CONSTANT alarm?? someone please help me???
  323. Trouble getting alpha lower in the upper unit
  324. Powermaster Ultra Torque Starters
  325. CMI Headers and drip
  326. LS V8 outboard
  327. Valve cover caps milky after 30 min on hose - condensation or something else?
  328. Amsoil Z rod
  329. Finally had time to go pick up my boat
  330. Had boat fixed, want to verify
  331. gauge bulbs
  332. BBC oil filter mounting
  333. Opinions wanted....MPI or Carbs
  334. cmi/merc
  335. over heating! HELP please!!
  336. Replacing External Steering Hose
  337. 140 or 160 thermostat
  338. Melted rubber exhaust hose replace with stainless?
  339. Anyone on merc-net now?
  340. starter fuse link
  341. 500efi oil cooler removal
  342. starter bottom mount CBB
  343. serial numbers ?
  344. What do you guys use on holes below the waterline?
  345. 3.4 merc outboard
  346. xr / xz
  347. thunder bolt modules
  348. Prop size mirages
  349. engine / coupler alignment issues..
  350. Opinions needed on rebuilt engine backfiring
  351. Mark Iv Bowtie Blocks
  352. moisture meters
  353. Refigerator Question
  354. speed of a 26' checkmate
  355. formula silent thunder exhaust tips
  356. 496 make loud tone when you trun key
  357. vinyl repair?
  358. 502efi VST Line routing/ locations?
  359. Raw water pumps
  360. Raw water pumps
  361. gas fill cap
  362. Gps Speedo
  363. Probably a simple question
  364. Computer HDD Data Retrieval
  365. remote on back of boat for radio
  366. What heads should i use on a 540cui
  367. estimated speed for baja h2x
  368. 7.4 MPI fuel system
  369. 496 ho water pressure tube ???
  370. Port gauges read low
  371. HOW much HP 604CI?
  372. 700 SCI fuel pump rebuild?
  373. imco valve covers clear T&D rockers
  374. block casting #'s
  375. 500 efi getting hot?
  376. Trying to find an oil filter adaptor
  377. machine marine steering upgrade
  378. Help! Smoke on the Water!
  379. Retractable ski pylon?
  380. 502 mag help
  381. Would you own a boat if it was cool and cloudy the majority of the summer?
  382. timing and jetting.... i need small adjustments
  383. Let's talk ignition systems
  384. 8.1 496HO cam swapping, factory cam gear-1 pink dot, crank gear-pink dot and divit?
  385. Houston we have a problem!
  386. Corrugated Marine Wet Exhaust Hose...??
  387. Garmin GPS TO GPS LIVORSI SPEEDO
  388. Aviation Gas 100/130 or Racing Fuel... Really?
  389. 548 running very rich.. Flame arrestor??
  390. oil temp sender location...
  391. Guys need some supercharger advice ! and boat information
  392. NGK R 5671A-9 plugs
  393. Coolant temp sensor
  394. Adapter for 1" hex to tapered 3/4" steering post?
  395. 454 Marine Power Question
  396. 502 MPI hard to start/won't idle
  397. gen VI cylinder head gasket
  398. Trim pump hose fittings
  399. 500 efi short block questions
  400. Ignition Help
  401. Base timing
  402. Max RPMs for OME PowerSteering and ALT
  403. 2009 700SCI low oil pressure warning
  404. water coming in WTF!!
  405. fuel psi on blown carb motor
  406. Engine temp spike
  407. fuel pump question
  408. Algae in fuel tank
  409. Bad plug wire
  410. problems planing
  411. 496 HO Power Steering Problems
  412. synthetic oil in 500EFI?
  413. No Ignition Mercruiser 350 Mpi
  414. 502 efi/mpi breaking up/ cuts out.
  415. HP500 dyno chart ?
  416. running a flexplate instead of a flywheel
  417. reflash a mefi 3
  418. Teleflex Extreme cable; long length needed
  419. Trim indicator cables -
  420. Am I over carbed??
  421. scarab 22 switch alpha to bravo any tips or thoughts
  422. Plexaglass canopy
  423. Looking for Colored Screws
  424. fuel system needs for 470-500hp setups
  425. oil
  426. Headers-use less water to make louder?
  427. Problem with starter grinding
  428. How do I find out who has the loan on a boat I purchased
  429. do a plug check?
  430. Stud Girdles
  431. Overheat issue…maybe
  432. How do i remove imco gimbal ring
  433. 496 Mag w/Whipple Stage II Stock Thermostat Safe??
  434. Power Trim Hoses
  435. Loose Steering
  436. Tulipped valves
  437. Trim tab starting height?
  438. Oil Temps
  439. So how do you think this 496 will run?
  440. Mag To Ho
  441. Has anyone tried these starters
  442. 2001 454 mpi timing
  443. Can a backfire damage a new starter?
  444. Adding anodes to K Planes.
  445. Corsa exhaust question
  446. cutting out
  447. Crankcase Pressure
  448. Add-on vs. full hydraulic steering
  449. scx/sc water pickup question
  450. Baby Steps, 1st Timer: 1990 Regal Velocity 230
  451. HP500 spark plugs
  452. Tight wrist pins
  453. How much HP will MercTrans take?
  454. Drive help and opinions PLEASE!!
  455. Prop ?
  456. Water leak
  457. Changing TBI to MPI
  458. What's my CFM
  459. RMbuilder phone number
  460. 420 Mega blower
  461. gil manifolds reversion?
  462. no trim under power
  463. boat has a leaning to the left issue and break in info???
  464. Mirage plus 25P
  465. 88 baja force 235 speed question
  466. Any help at all please!
  467. Outboard Help
  468. 700sci's starting hard
  469. 500 efi long blocks
  470. 496HO over heating
  471. Speed specs
  472. 525sc upgrades?
  473. Help!!!
  474. Plumbing question
  475. powder coating???
  476. snapped alpha one pinch bolt
  477. need hatch actuator
  478. TPS AND IAC cross reference
  479. 330hp 454 dies at idle.
  480. powerquest emblem
  481. Looking at 94 29 foot scarab just want some input
  482. Which is better?
  483. Uh oh. 106db. How to get to 86? Or at least 90?
  484. Windshield Trim
  485. 24' obsession torent
  486. Gotta vent ... literally
  487. 454/502 harmonic balancer
  488. Mechanical indicator on the drive...
  489. Fuel Pump & Oil adapter
  490. water pump/blown engines???
  491. Smaller family boat?
  492. Head studs hitting IMCO manifolds
  493. McLeod Booster Failure
  494. 500EFI Whipple idle problems
  495. Livorsi ll gauges
  496. 454 Mag MPI HP rating?
  497. MEFI 1 Tuning
  498. No spark from coil - low voltage across leads
  499. depth finder install
  500. Weird temp/gauge issue going on