View Full Version : General Q & A




  1. Seawater mounted Fuel pump, what is in, what is out?
  2. Plug Gap and Timing - SBC
  3. 1996 Baja Twin 2002 Hp 500 Efi Help
  4. GPS speedo - no reading
  5. help
  6. Imco 3 port fuel switch
  7. 496 ho.s run very rich
  8. Swapping out Controls
  9. upholstery
  10. porpoising problems 24 superboat with twins
  11. GPS batterys
  12. Is this for a Bravo 1 drive?
  13. Gil exhaust install problem
  14. Go Fast With Some Room?
  15. Thru hull exhaust noise abatement / muffler
  16. Need help ASAP Please with losing power steering twice now
  17. Exhaust block off plate leaking-502 mpi
  18. speedo fluid?
  19. boat lost spped after chiller installed 575Sci's
  20. 454 oil cooler
  21. 502 MPI rocker help
  22. 1993 454 Mag Piston Rings
  23. Arriva Engine Replacement
  24. Pro charger Cooler
  25. Water temps on both motors
  26. Fountain 29' Open Bow Conversion
  27. Bad Lifters - Now what?
  28. Zero Effort Cable Ends
  29. Newbe to go fasts
  30. corsa dash switch
  31. Q-jet jetting
  32. Yet Another Muffler Delima Thread
  33. Wiring in new DC panel
  34. Prop and Header question
  35. Merc 525 EFI injectors
  36. Basic Plug Stuff
  37. Comp Test results + help with diagnosis
  38. trim indicator cable
  39. 12:1 compression ratio
  40. 1994 454 Mag EFI dies randomly at idle speeds
  41. trim tabs for 89 baja sport 250 with around 450hp
  42. 575sci spec?
  43. Quiksilver Digital Diagnostic Terminal ?
  44. Whippled mx 6.2
  45. Preload 1.7 Crane
  46. 454 --> 496 Build Check
  47. 496 ho serpentine belt
  48. 94 502 MPI cam question
  49. 1995 454 mag mpi cuts out
  50. MSD Box w/ a Thunderbolt Distrib ????
  51. bravo trim pump noise
  52. Volvo Penta 5.7l hesitation
  53. North GA Machine Shop Recommendation?
  54. exhaust ????
  55. Bmax Drive Reservoir
  56. carb. rebuild time
  57. Royal Purple Oil Filters
  58. Engine oil cooler leaking
  59. Engine oil
  60. outdrive
  61. Gibson Bullet Mufflers
  62. boat oxidation
  63. High oil pressure question.....
  64. Dynoed Hawk 525 today, had a problem...
  65. black streaks from snaps?
  66. Bottom Surface Scrubbing off Speed?
  67. Getting ready to do bellows:
  68. Best price on GAUGE BEZELS
  69. Mercruiser 400 TRS
  70. Merc Trans - Any demand or Value
  71. 500 hp carb set up
  72. Help with a SN ID
  73. Flushing the old oil from engine and outdrive
  74. Livorsi bezel popping off
  75. oil temp sender on gen vi bbc-best place to install??
  76. Weiand 177 Blower Pulley Size
  77. Drives, Toe In or Toe Out (Again)
  78. volvo penta 496
  79. Thermostat gasket question
  80. lexan or plexi windshield-has anyone made one?
  81. Top Speed?
  82. water in oil
  83. engine oil cooler question
  84. Merc Zero Effort noise
  85. Converting to studs
  86. Crane Roller Rocker???
  87. cmi mufflers
  88. circ pump to crossover hoses ?
  89. Charging question
  90. Fuel Bladders
  91. Correct Measurement for fuel fill?
  92. Cubes Equals Economy.
  93. Shift interupt on Voyager distributor
  94. Injector cleaning and testing
  95. mild upgrades to a 502efi for more speed
  96. Pressure testing headers
  97. Intermittant alarm
  98. Billet Garmin Mount?
  99. How to check for a wet Transom
  100. Merc 496HO Max Oil Temperature
  101. Can exhaust diverters be painted
  102. water sensor with crossover ??
  103. 406 SBC Problem...HELP
  104. Best mpg rpm non-mag 454?
  105. 496 HO vs Raylar 496 Mag
  106. Help with running rich 7.4L 300 hp
  107. Water in fuel tanks question
  108. 500 efi's die together
  109. Changing 575sci blower oil
  110. 496 Seawater pump
  111. ANYONE RUNNING THE STOCK MERCURY Thermostatic Oil Filter Head and Mount
  112. Fuel Tank And Vent System Design
  113. TRS oil cooler/Thermo - line routing???
  114. BW-C 72 Tranny/cooler line SIZE???
  115. Need some help on motor ,cam choices PLEASE 600 SC or 500 HP
  116. Anyone out there that can help me with the Value of a older CAT?
  117. AN Fittings (where to purchase)
  118. 270 volvo
  119. 502 EFI fuel system questions...
  120. Mercruiser 7.4 L
  121. Bumbers - Where can I find them
  122. Water Pump Flow Rate
  123. crane 741 cam IcL
  124. bell housing
  125. Risers ok for blowers?
  126. How to prevent hatch actuator sleeve from scratching actuator body?
  127. Ehgine Guru Help Needed
  128. Is anybody close to Staunton VA
  129. Port Engine Shuts down various RPMs
  130. Question for the Oil Gurus
  131. need water separator #
  132. gen VI felpro oil pan gasket issue
  133. hp500 jets
  134. Crank Case Vent
  135. wood teak
  136. Type-F in BW tranny's
  137. mirror for engine hatch
  138. Engine Alarms...
  139. Best place to get Synthetic Gear lube?
  140. What diameter exhaust is used on a 496HO?
  141. and another fuel Q
  142. crankcase ventalation questions.... someone please help me! :)
  143. outdrive painting?
  144. Marine Carpet. 16oz or 20oz
  145. road/mooring covers
  146. exhaust for 741 cam shaft whos running what
  147. 1930 Model A
  148. more octane questions
  149. Octane requirements?
  150. hp 500 carb leaking
  151. Drive shower technical
  152. New Cam for my 406 SBC
  153. Best valve seats?
  154. figuring cfm needs for a marine engine
  155. Water Pump Help
  156. Air Dock/Lift size ?
  157. Fuel water separator
  158. Tyler Crockett
  159. WTF is that loud wisssssss sound (motor)help
  160. 575sci redline
  161. Octane boosters
  162. Oil temp sender options on 502 MPI Stock?
  163. Need Valve Seals part #!!
  164. Donzi lower drive
  165. MSD rev Limiters w/o pills ?
  166. 1998 454 MPI exhaust
  167. Slight milkshake on dipstick
  168. Smartcraft SC1000 to EcoScreen
  169. distributor wireing
  170. Holly vs. Mercarb/Weber
  171. engine cuts out momentarily when hitting hard waves...
  172. cap, rotor and plug wires for HP ignition Thunder IV
  173. Restoring Aluminum Diamond Plate
  174. Changing Exhaust Tips
  175. Upper gears: #3,#3A,#4  drives
  176. Transom Assembly Help
  177. New JL M series Amp
  178. Bravo 1 stuck
  179. Will these risers work with a bravo
  180. starter solenoid
  181. tail pipe shine
  182. Engine Hatch?
  183. KPM sea water pumps
  184. 502 flywheel question
  185. Fuel return regulator
  186. 496 Coolant Issue/Question
  187. Gaffrig senders vdo????
  188. 500/525EFI with Whipple Question
  189. 496HO + Bravo I: zincs
  190. Merc Cool fuel
  191. Water leaking from manifold bolt hole....HELP!
  192. hot headers
  193. What head gasket???
  194. break-in
  195. Question?
  196. Merc 575/500 wiring harness problem
  197. 496 Mag to HO
  198. intake valley pan
  199. Intro and two part question
  200. Aftermarket Valve covers on stock merc 502 mpi?
  201. Calling TX car dealers!
  202. How thin can a transom be?
  203. Power steering reservoir / pulley size
  204. mallory ign. boxes (any good?)
  205. Changing single control to dual controls
  206. Tweaking 575sci Fuel Pressure...
  207. Fuel Gauge And Sender Help
  208. power steering system
  209. Silent choice with surface drives
  210. Gas in the Exhuast
  211. Head bolts torque specs
  212. Ilmor Life Span
  213. new livorsi tachs bouncing
  214. Bravo 1 4 blade stainless prop question
  215. valve covers and ventalation questions
  216. exhaust for bigger cams
  217. SBC 5.7 Vortec cam & other bolt ons rebuild
  218. RTV/ Ultra Black on intake gaskets?
  219. who makes a 6" exhaust system??????
  220. knock sensor
  221. exaust alteration possible?
  222. cuddy pics wanted.
  223. 496 Mag Stock Flame Arrestor vs K & N Filter/arrestor
  224. Think i found my problem
  225. mercruiser rave?
  226. 454 rebuild or repower?
  227. Backflush water system
  228. Thermostat housing
  229. donzi zx 26 vs sonic prowler
  230. valve guides/seals questions
  231. Cuddy FABRICS???? Where to purchase...
  232. Water Oil Mix
  233. 496 mag scan tool?
  234. Alpha Coupler in Bravo
  235. Up and running!!
  236. posting question
  237. merc blue paint
  238. Sea pump mounted fuel pump?
  239. How to track anyone using thier cell phone
  240. Barry Grant Carbs...
  241. 496 crankshaft balancer bolt size
  242. Oil Cooler
  243. HVH super sucker carb spacer
  244. Light behind speaker grill
  245. Total timing ???
  246. prop slip under or over propped
  247. crossovers ??
  248. Bypassing Unused PS Pump
  249. Drake exhaust
  250. Pully Back lash on 177 Blower
  251. Autolite Plugs??
  252. gear lube reservoir-i am not sure if my boat should have one or not?
  253. Older Gaffrigs
  254. Bunk Carpet?
  255. 502 gen 6 stock cam
  256. stereo electrical noise
  257. Starting Boat after its has been sitting for 2 years
  258. Keith Eickert Fuel Pump
  259. serial number on engine block..
  260. mobil1 v-twin oil, scream'n deal
  261. anyone recognize this header
  262. Gas in the vapor tube
  263. -2 IMCO Shorty Install
  264. Engine life in saltwater
  265. How much hp with this cam in a 502 mpi
  266. Whipple Pros and Cons 502 MAG
  267. Scarab takes forever to plane out
  268. 502mag Power Limits?
  269. 502 Keeps shutting down
  270. Bravo I Dimension??
  271. help
  272. 540 Bulldog Heads
  273. 31 ocean express oil pans
  274. Boat Lifts
  275. Need a Starter
  276. 496HO oil filter: equivalent truck models?
  277. 496 Mag engines going away?
  278. CMI's
  279. hyd roller lifter limits
  280. kamma surface drives
  281. exhaust help
  282. Whipple plumbing?
  283. Looking for Bimini Cover
  284. milky oil under valve covers..compression test
  285. Pushrod and Valve Spring Recommendation HP 500
  286. where to purchase HEI/DUI
  287. I Keep Breaking U Joints And Destroying Transom Units
  288. help please stereo install
  289. Valve springs 500 EFI
  290. 502mpi 470hp??
  291. 525 Efi
  292. Merc Bell housing Coolers
  293. Thunderbolt IV module on Thunderbolt V ?
  294. Spark plugs for a 454 MAG MPI
  295. Which thermo for a gen 5 502 mag mpi
  296. Gen-X headers from CMI
  297. Hardin marine Thermostatically Controlled cooler
  298. Merc 7.4 330 to 502 Ignition change over Confusion.
  299. Which thermostat in a 454SC engine?
  300. Clearing Smartcraft Alarm
  301. Plate Heat Exchanger
  302. valve cover help
  303. help
  304. Advice on HP500 upgrade
  305. Add on steering kit
  306. Carburetor help please?!
  307. Any luck with having a tach repaired?
  308. Eickert exhaust and transmissions
  309. 540CI to 572CI
  310. Mercruiser distributor help
  311. Using propane torch to remove trailer tire bolts
  312. Taking a HTM sr 24 off the trailer
  313. Oil Filter Issue?
  314. Surveyor Needed
  315. marine stereo
  316. crossovers ?
  317. 500 hp valve adjustment
  318. Imco Powerflo manifolds
  319. Alternator wire locations? v-belt to serp
  320. What Head Gasket 502 Gen VI
  321. Way to get around using a VST fuel pump...
  322. 242 formula owners.
  323. carb question
  324. change from 454 mag 1991 to 496 HO
  325. 250 Supercharger pulleys
  326. Are Gils the exact same as the HP500 manifolds?
  327. 'Offshore' BBC mounts?
  328. Child Life Vests
  329. 454 Mag Camshaft Question
  330. Stainless Marine exhaust extentions
  331. Super Suckers 1" carb spacers
  332. need motor shop
  333. supercharger for a 500 DPX 8.2
  334. Help ID This Motor
  335. Help needed deciphering Rhinda data
  336. Starter solenoid trouble
  337. Similarities/differences between 525EFI and 700SCi?
  338. What fuel pumps are these??
  339. installing procharger
  340. 600's with xr's
  341. Wet vs Dry Exhaust Risers
  342. spark plugs for a sbc procharged
  343. Need Help With Oil Cooler
  344. 1985 wellcaft nova xl
  345. Hardin thermostatic cooler ?
  346. Powdercoating windshield frames: yes or no
  347. gaffrig performance gps speedo (newbie)
  348. livorsi silver carbon gauges
  349. Carb rebuild
  350. young blood exhaust wanna post pic
  351. Whats the best Upholestry cleaner
  352. Coupler to Flywheel bolts, are they special??
  353. Not to expensive spark plug wire set question
  354. Imron Paint Removal
  355. Merc Silent Choice ??
  356. Dash panel plastic
  357. Merc Blancer Dimensions
  358. oil pickup for merc alum pan
  359. Engine Harness Change?
  360. Bad Hyd Roller Lifters???
  361. Fusion Marine Audio Products????
  362. 502 mag 415hp carb do they need pcv valves?
  363. Big-Shaft Hub
  364. Running New colling hoses 502 MAG. Questions?
  365. Valve cover breather question
  366. Tall Deck EFI
  367. Surface Drives
  368. Water In OIL.....
  369. Maximum Safe CR for HP 500 on 89 pump
  370. Bravo, Vacuum or pressure test?
  371. engine coupler
  372. Switch/breaker panels
  373. Best shifter cables
  374. Fitting Help
  375. Whipple MOAC IC plumbing
  376. Any one here of these distributors, and if so any good.
  377. 1987 Four Winns Liberator 211 Stereo Wiring
  378. change from efi to carburator
  379. trim tabs for my 20 outlaw..which ones
  380. The Right Stuff
  381. Rocker Adjustment-Dodge/non marine
  382. Anbody able to cross this Ride Guide steering #:
  383. Ignition Wire opinions
  384. Valve cover swap
  385. Swap GEN6 to Gen4 454 flywheel and housing?
  386. kiekhaefer shifter cable question
  387. twin drive
  388. MEFI 3 Can not read codes. Help!
  389. Trim tab pumps blowing fuses
  390. What do Dyno test cost?? $$$
  391. Valve spring install height on HP500 Carb. engine.
  392. Super Chiller effect on boost ?
  393. Higher stress on Bravo top when running l/h prop: why?
  394. bravo seawater pump
  395. Sea Pump Nose Housing Rebuild
  396. Tilt steering on older Formula
  397. 177 Wieand Blower fluid
  398. What do you guys have for an audio system on your boat
  399. service manual
  400. HP500 EFI TB air flow
  401. How do i break in my new motor?
  402. Gen 6 454 Buildup - Alum Heads/Intake/Cam
  403. Formula 242 bolster question
  404. Stereo Question
  405. Expanded Metal Source
  406. Engine info
  407. dry exhaust ???
  408. Need prices on drive tools -
  409. Cmi Big Tube Gaskets
  410. another trim tab question!
  411. adding oil cooler help
  412. Stinger 222 thru hull exhaust conversion
  413. what kind of blower set-up is the tallest???
  414. water pump kits ?
  415. mercruiser V8 motor mount
  416. Steering Issue/Question
  417. header headaches
  418. Are anodes useless...
  419. Still over heating...pls help.
  420. building a big block roller
  421. newbiee( livorsi gps antenna) pls help
  422. keep fouling plugs
  423. fuel
  424. I'M looking for SS deck hardware
  425. Sand Strainers?
  426. Mufflers?
  427. msd ignition question
  428. Looking for a vapor separator tank (VST)
  429. 600sci and whipple stage 1
  430. Looking for an intercooler for a 525SC
  431. Water Hoses???
  432. Anyone have experience with SOLAR POWER battery maintainer?
  433. Sierra brand transom assembly bellows
  434. headers
  435. Boat lifting opinions
  436. 28 prototype
  437. imco and speedmaster lowers
  438. Need a 496 block
  439. Advice How to build tunnel flap for 1000hp 30ft cat
  440. Mercury 500HP Cranking Compression
  441. 260 Nova, 260 Stinger, Or what?
  442. Eickert EFI Induction Hats
  443. Gimble Bearing install question.
  444. Boat Service Manual
  445. rocker ??
  446. Trim tabs
  447. Best Deals on AFR Heads Where???
  448. Need to identify Volvo MEFI ECU version
  449. looking for a high output alternator for 500 EFI
  450. Rebuild Top End=More Power?
  451. Roller Rockers Stock Merc Exhaust.
  452. MSD on 525sc help!!
  453. perko switch question
  454. Imco Powerflow Gaskets???
  455. Whats this Baja outlaw's approx top speed?
  456. More hydraulic steering questions
  457. Speaker and Amplifier Opinions?
  458. Has anybody ever heard of REV valves!!
  459. exhaust replacment
  460. Stereo install question
  461. Steering
  462. Merc EFI plumbing question
  463. Air Dock?????
  464. Oil Pan Gasket
  465. Kachina Boats ?
  466. HP500 Pushrod length ?
  467. miami law enforcement
  468. How long does an average 502 efi motor last?
  469. running an oil cooler dry
  470. Help with new carb
  471. cylinder head advice
  472. 0-9377-1 Holley 3 circuit metering how to make it 2 circuit?
  473. Baja hammer price?
  474. New 8.2L Mercruiser engine
  475. PFM fuel injection system
  476. speed pro H 426 CP pistons
  477. blue printing a hull
  478. 525efi
  479. flam arrestor
  480. 1050/1150 holley Carburetor for 588CI Supercharge.
  481. Water flow
  482. mercruiser trim pump oil foaming ???
  483. 500 Hp Carbed-replacement springs
  484. Using AWLGRIP or Bilgekote, Bilge question.
  485. HP limit for imco exhaust
  486. Dart Heads 355 CNC Valves Stem 3/8 or 11/32?
  487. Bravo 1 Shift Interrupter Switch bracket question.
  488. hp 500 heads
  489. TRS Transome Exhaust/Cutouts
  490. Need some advice
  491. 454 mpi with poor throttle response
  492. Bravo 1 - difficulty shifting
  493. Exhaust Manifolds question
  494. cutting runners
  495. Outerlimits Vinyl
  496. Dyno-Boost Adjustable Performance Chip Mercruiser 496 HO Mag
  497. Headliner Stains
  498. 1071 BDS blower
  499. How to get to 80 mph with a single screw
  500. Tab won't go down (K-planes)