View Full Version : General Q & A




  1. 502 rebuild
  2. 496HO Circulation Pump.
  3. Stock Fuel pump max HP
  4. Bench flowing carbs (How I spent my Saturday)
  5. Wont trim up at speed
  6. What causes gas to turn white?
  7. Cats?
  8. Q-Jet hard starting and stalling at idle
  9. BBC oil pump
  10. Carb HP 500 effect of compression ratio on jetting??
  11. Whipple or Raylar: Problem Free or Not?
  12. OHM reading on plug wires
  13. dead boat, used once. :(
  14. Steering
  15. spark plugs engine temp.
  16. Oil Pressure sender for Livorsi Guage.
  17. plug wires
  18. How much HP do you guys think
  19. 406 Still Giving me a hard time.
  20. 94 gen 5 oil filter question
  21. 1985 wellcraft nova ii
  22. k-plane questions-mainly indicators
  23. Anyone running a GPS speedo head off their Garmin GPS output?
  24. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  25. Hot Coil / No Spark EFI
  26. Rear Seat
  27. Livorsi GPS Antena Battery Thread
  28. 1985 Baja 240 Sport
  29. What is this stuff (goop)?
  30. Evapo rust is Magic
  31. k-plane location??
  32. 500 hp 502 Flame Arrestor
  33. Raw water pump mercruiser 7.4
  34. Bravo 1 bearing installation
  35. Thunderbolt IV Timing 383 Stroker
  36. Barnicle REMOVEL Help
  37. K.K. Trim tab (install)
  38. Livorsi GPS Antenna Help
  39. Prop question for my Powerquest Vyper...
  40. Steering wheel alignment
  41. Touchless Cover
  42. M&W Turbo Kits
  43. Auto halon rebuild
  44. who has some merc press. relief valves???
  45. What would your service dept have charged
  46. Questions about installing bravo 1 and transom assembly
  47. Best way to ship a drive?
  48. 496 cooling circuit
  49. wellcraft nova
  50. Sea strainer installation
  51. Blower guys, are you running AFR guages??
  52. Push rod length
  53. dewinterized the boat and it doesnt look good
  54. looking for prop
  55. questions about my 1983 Corsa 31 foot
  56. Fuel injector flow rate
  57. 502 carb jetting help.
  58. Need Help
  59. trailer guide-ons
  60. fuel pressure gauge install
  61. Seawater mounted Fuel pump, what is in, what is out?
  62. Plug Gap and Timing - SBC
  63. 1996 Baja Twin 2002 Hp 500 Efi Help
  64. GPS speedo - no reading
  65. help
  66. Imco 3 port fuel switch
  67. 496 ho.s run very rich
  68. Swapping out Controls
  69. upholstery
  70. porpoising problems 24 superboat with twins
  71. GPS batterys
  72. Is this for a Bravo 1 drive?
  73. Gil exhaust install problem
  74. Go Fast With Some Room?
  75. Thru hull exhaust noise abatement / muffler
  76. Need help ASAP Please with losing power steering twice now
  77. Exhaust block off plate leaking-502 mpi
  78. speedo fluid?
  79. boat lost spped after chiller installed 575Sci's
  80. 454 oil cooler
  81. 502 MPI rocker help
  82. 1993 454 Mag Piston Rings
  83. Arriva Engine Replacement
  84. Pro charger Cooler
  85. Water temps on both motors
  86. Fountain 29' Open Bow Conversion
  87. Bad Lifters - Now what?
  88. Zero Effort Cable Ends
  89. Newbe to go fasts
  90. corsa dash switch
  91. Q-jet jetting
  92. Yet Another Muffler Delima Thread
  93. Wiring in new DC panel
  94. Prop and Header question
  95. Merc 525 EFI injectors
  96. Basic Plug Stuff
  97. Comp Test results + help with diagnosis
  98. trim indicator cable
  99. 12:1 compression ratio
  100. 1994 454 Mag EFI dies randomly at idle speeds
  101. trim tabs for 89 baja sport 250 with around 450hp
  102. 575sci spec?
  103. Quiksilver Digital Diagnostic Terminal ?
  104. Whippled mx 6.2
  105. Preload 1.7 Crane
  106. 454 --> 496 Build Check
  107. 496 ho serpentine belt
  108. 94 502 MPI cam question
  109. 1995 454 mag mpi cuts out
  110. MSD Box w/ a Thunderbolt Distrib ????
  111. bravo trim pump noise
  112. Volvo Penta 5.7l hesitation
  113. North GA Machine Shop Recommendation?
  114. exhaust ????
  115. Bmax Drive Reservoir
  116. carb. rebuild time
  117. Royal Purple Oil Filters
  118. Engine oil cooler leaking
  119. Engine oil
  120. outdrive
  121. Gibson Bullet Mufflers
  122. boat oxidation
  123. High oil pressure question.....
  124. Dynoed Hawk 525 today, had a problem...
  125. black streaks from snaps?
  126. Bottom Surface Scrubbing off Speed?
  127. Getting ready to do bellows:
  128. Best price on GAUGE BEZELS
  129. Mercruiser 400 TRS
  130. Merc Trans - Any demand or Value
  131. 500 hp carb set up
  132. Help with a SN ID
  133. Flushing the old oil from engine and outdrive
  134. Livorsi bezel popping off
  135. oil temp sender on gen vi bbc-best place to install??
  136. Weiand 177 Blower Pulley Size
  137. Drives, Toe In or Toe Out (Again)
  138. volvo penta 496
  139. Thermostat gasket question
  140. lexan or plexi windshield-has anyone made one?
  141. Top Speed?
  142. water in oil
  143. engine oil cooler question
  144. Merc Zero Effort noise
  145. Converting to studs
  146. Crane Roller Rocker???
  147. cmi mufflers
  148. circ pump to crossover hoses ?
  149. Charging question
  150. Fuel Bladders
  151. Correct Measurement for fuel fill?
  152. Cubes Equals Economy.
  153. Shift interupt on Voyager distributor
  154. Injector cleaning and testing
  155. mild upgrades to a 502efi for more speed
  156. Pressure testing headers
  157. Intermittant alarm
  158. Billet Garmin Mount?
  159. How to check for a wet Transom
  160. Merc 496HO Max Oil Temperature
  161. Can exhaust diverters be painted
  162. water sensor with crossover ??
  163. 406 SBC Problem...HELP
  164. Best mpg rpm non-mag 454?
  165. 496 HO vs Raylar 496 Mag
  166. Help with running rich 7.4L 300 hp
  167. Water in fuel tanks question
  168. 500 efi's die together
  169. Changing 575sci blower oil
  170. 496 Seawater pump
  171. ANYONE RUNNING THE STOCK MERCURY Thermostatic Oil Filter Head and Mount
  172. Fuel Tank And Vent System Design
  173. TRS oil cooler/Thermo - line routing???
  174. BW-C 72 Tranny/cooler line SIZE???
  175. Need some help on motor ,cam choices PLEASE 600 SC or 500 HP
  176. Anyone out there that can help me with the Value of a older CAT?
  177. AN Fittings (where to purchase)
  178. 270 volvo
  179. 502 EFI fuel system questions...
  180. Mercruiser 7.4 L
  181. Bumbers - Where can I find them
  182. Water Pump Flow Rate
  183. crane 741 cam IcL
  184. bell housing
  185. Risers ok for blowers?
  186. How to prevent hatch actuator sleeve from scratching actuator body?
  187. Ehgine Guru Help Needed
  188. Is anybody close to Staunton VA
  189. Port Engine Shuts down various RPMs
  190. Question for the Oil Gurus
  191. need water separator #
  192. gen VI felpro oil pan gasket issue
  193. hp500 jets
  194. Crank Case Vent
  195. wood teak
  196. Type-F in BW tranny's
  197. mirror for engine hatch
  198. Engine Alarms...
  199. Best place to get Synthetic Gear lube?
  200. What diameter exhaust is used on a 496HO?
  201. and another fuel Q
  202. crankcase ventalation questions.... someone please help me! :)
  203. outdrive painting?
  204. Marine Carpet. 16oz or 20oz
  205. road/mooring covers
  206. exhaust for 741 cam shaft whos running what
  207. 1930 Model A
  208. more octane questions
  209. Octane requirements?
  210. hp 500 carb leaking
  211. Drive shower technical
  212. New Cam for my 406 SBC
  213. Best valve seats?
  214. figuring cfm needs for a marine engine
  215. Water Pump Help
  216. Air Dock/Lift size ?
  217. Fuel water separator
  218. Tyler Crockett
  219. WTF is that loud wisssssss sound (motor)help
  220. 575sci redline
  221. Octane boosters
  222. Oil temp sender options on 502 MPI Stock?
  223. Need Valve Seals part #!!
  224. Donzi lower drive
  225. MSD rev Limiters w/o pills ?
  226. 1998 454 MPI exhaust
  227. Slight milkshake on dipstick
  228. Smartcraft SC1000 to EcoScreen
  229. distributor wireing
  230. Holly vs. Mercarb/Weber
  231. engine cuts out momentarily when hitting hard waves...
  232. cap, rotor and plug wires for HP ignition Thunder IV
  233. Restoring Aluminum Diamond Plate
  234. Changing Exhaust Tips
  235. Upper gears: #3,#3A,#4  drives
  236. Transom Assembly Help
  237. New JL M series Amp
  238. Bravo 1 stuck
  239. Will these risers work with a bravo
  240. starter solenoid
  241. tail pipe shine
  242. Engine Hatch?
  243. KPM sea water pumps
  244. 502 flywheel question
  245. Fuel return regulator
  246. 496 Coolant Issue/Question
  247. Gaffrig senders vdo????
  248. 500/525EFI with Whipple Question
  249. 496HO + Bravo I: zincs
  250. Merc Cool fuel
  251. Water leaking from manifold bolt hole....HELP!
  252. hot headers
  253. What head gasket???
  254. break-in
  255. Question?
  256. Merc 575/500 wiring harness problem
  257. 496 Mag to HO
  258. intake valley pan
  259. Intro and two part question
  260. Aftermarket Valve covers on stock merc 502 mpi?
  261. Calling TX car dealers!
  262. How thin can a transom be?
  263. Power steering reservoir / pulley size
  264. mallory ign. boxes (any good?)
  265. Changing single control to dual controls
  266. Tweaking 575sci Fuel Pressure...
  267. Fuel Gauge And Sender Help
  268. power steering system
  269. Silent choice with surface drives
  270. Gas in the Exhuast
  271. Head bolts torque specs
  272. Ilmor Life Span
  273. new livorsi tachs bouncing
  274. Bravo 1 4 blade stainless prop question
  275. valve covers and ventalation questions
  276. exhaust for bigger cams
  277. SBC 5.7 Vortec cam & other bolt ons rebuild
  278. RTV/ Ultra Black on intake gaskets?
  279. who makes a 6" exhaust system??????
  280. knock sensor
  281. exaust alteration possible?
  282. cuddy pics wanted.
  283. 496 Mag Stock Flame Arrestor vs K & N Filter/arrestor
  284. Think i found my problem
  285. mercruiser rave?
  286. 454 rebuild or repower?
  287. Backflush water system
  288. Thermostat housing
  289. donzi zx 26 vs sonic prowler
  290. valve guides/seals questions
  291. Cuddy FABRICS???? Where to purchase...
  292. Water Oil Mix
  293. 496 mag scan tool?
  294. Alpha Coupler in Bravo
  295. Up and running!!
  296. posting question
  297. merc blue paint
  298. Sea pump mounted fuel pump?
  299. How to track anyone using thier cell phone
  300. Barry Grant Carbs...
  301. 496 crankshaft balancer bolt size
  302. Oil Cooler
  303. HVH super sucker carb spacer
  304. Light behind speaker grill
  305. Total timing ???
  306. prop slip under or over propped
  307. crossovers ??
  308. Bypassing Unused PS Pump
  309. Drake exhaust
  310. Pully Back lash on 177 Blower
  311. Autolite Plugs??
  312. gear lube reservoir-i am not sure if my boat should have one or not?
  313. Older Gaffrigs
  314. Bunk Carpet?
  315. 502 gen 6 stock cam
  316. stereo electrical noise
  317. Starting Boat after its has been sitting for 2 years
  318. Keith Eickert Fuel Pump
  319. serial number on engine block..
  320. mobil1 v-twin oil, scream'n deal
  321. anyone recognize this header
  322. Gas in the vapor tube
  323. -2 IMCO Shorty Install
  324. Engine life in saltwater
  325. How much hp with this cam in a 502 mpi
  326. Whipple Pros and Cons 502 MAG
  327. Scarab takes forever to plane out
  328. 502mag Power Limits?
  329. 502 Keeps shutting down
  330. Bravo I Dimension??
  331. help
  332. 540 Bulldog Heads
  333. 31 ocean express oil pans
  334. Boat Lifts
  335. Need a Starter
  336. 496HO oil filter: equivalent truck models?
  337. 496 Mag engines going away?
  338. CMI's
  339. hyd roller lifter limits
  340. kamma surface drives
  341. exhaust help
  342. Whipple plumbing?
  343. Looking for Bimini Cover
  344. milky oil under valve covers..compression test
  345. Pushrod and Valve Spring Recommendation HP 500
  346. where to purchase HEI/DUI
  347. I Keep Breaking U Joints And Destroying Transom Units
  348. help please stereo install
  349. Valve springs 500 EFI
  350. 502mpi 470hp??
  351. 525 Efi
  352. Merc Bell housing Coolers
  353. Thunderbolt IV module on Thunderbolt V ?
  354. Spark plugs for a 454 MAG MPI
  355. Which thermo for a gen 5 502 mag mpi
  356. Gen-X headers from CMI
  357. Hardin marine Thermostatically Controlled cooler
  358. Merc 7.4 330 to 502 Ignition change over Confusion.
  359. Which thermostat in a 454SC engine?
  360. Clearing Smartcraft Alarm
  361. Plate Heat Exchanger
  362. valve cover help
  363. help
  364. Advice on HP500 upgrade
  365. Add on steering kit
  366. Carburetor help please?!
  367. Any luck with having a tach repaired?
  368. Eickert exhaust and transmissions
  369. 540CI to 572CI
  370. Mercruiser distributor help
  371. Using propane torch to remove trailer tire bolts
  372. Taking a HTM sr 24 off the trailer
  373. Oil Filter Issue?
  374. Surveyor Needed
  375. marine stereo
  376. crossovers ?
  377. 500 hp valve adjustment
  378. Imco Powerflo manifolds
  379. Alternator wire locations? v-belt to serp
  380. What Head Gasket 502 Gen VI
  381. Way to get around using a VST fuel pump...
  382. 242 formula owners.
  383. carb question
  384. change from 454 mag 1991 to 496 HO
  385. 250 Supercharger pulleys
  386. Are Gils the exact same as the HP500 manifolds?
  387. 'Offshore' BBC mounts?
  388. Child Life Vests
  389. 454 Mag Camshaft Question
  390. Stainless Marine exhaust extentions
  391. Super Suckers 1" carb spacers
  392. need motor shop
  393. supercharger for a 500 DPX 8.2
  394. Help ID This Motor
  395. Help needed deciphering Rhinda data
  396. Starter solenoid trouble
  397. Similarities/differences between 525EFI and 700SCi?
  398. What fuel pumps are these??
  399. installing procharger
  400. 600's with xr's
  401. Wet vs Dry Exhaust Risers
  402. spark plugs for a sbc procharged
  403. Need Help With Oil Cooler
  404. 1985 wellcaft nova xl
  405. Hardin thermostatic cooler ?
  406. Powdercoating windshield frames: yes or no
  407. gaffrig performance gps speedo (newbie)
  408. livorsi silver carbon gauges
  409. Carb rebuild
  410. young blood exhaust wanna post pic
  411. Whats the best Upholestry cleaner
  412. Coupler to Flywheel bolts, are they special??
  413. Not to expensive spark plug wire set question
  414. Imron Paint Removal
  415. Merc Silent Choice ??
  416. Dash panel plastic
  417. Merc Blancer Dimensions
  418. oil pickup for merc alum pan
  419. Engine Harness Change?
  420. Bad Hyd Roller Lifters???
  421. Fusion Marine Audio Products????
  422. 502 mag 415hp carb do they need pcv valves?
  423. Big-Shaft Hub
  424. Running New colling hoses 502 MAG. Questions?
  425. Valve cover breather question
  426. Tall Deck EFI
  427. Surface Drives
  428. Water In OIL.....
  429. Maximum Safe CR for HP 500 on 89 pump
  430. Bravo, Vacuum or pressure test?
  431. engine coupler
  432. Switch/breaker panels
  433. Best shifter cables
  434. Fitting Help
  435. Whipple MOAC IC plumbing
  436. Any one here of these distributors, and if so any good.
  437. 1987 Four Winns Liberator 211 Stereo Wiring
  438. change from efi to carburator
  439. trim tabs for my 20 outlaw..which ones
  440. The Right Stuff
  441. Rocker Adjustment-Dodge/non marine
  442. Anbody able to cross this Ride Guide steering #:
  443. Ignition Wire opinions
  444. Valve cover swap
  445. Swap GEN6 to Gen4 454 flywheel and housing?
  446. kiekhaefer shifter cable question
  447. twin drive
  448. MEFI 3 Can not read codes. Help!
  449. Trim tab pumps blowing fuses
  450. What do Dyno test cost?? $$$
  451. Valve spring install height on HP500 Carb. engine.
  452. Super Chiller effect on boost ?
  453. Higher stress on Bravo top when running l/h prop: why?
  454. bravo seawater pump
  455. Sea Pump Nose Housing Rebuild
  456. Tilt steering on older Formula
  457. 177 Wieand Blower fluid
  458. What do you guys have for an audio system on your boat
  459. service manual
  460. HP500 EFI TB air flow
  461. How do i break in my new motor?
  462. Gen 6 454 Buildup - Alum Heads/Intake/Cam
  463. Formula 242 bolster question
  464. Stereo Question
  465. Expanded Metal Source
  466. Engine info
  467. dry exhaust ???
  468. Need prices on drive tools -
  469. Cmi Big Tube Gaskets
  470. another trim tab question!
  471. adding oil cooler help
  472. Stinger 222 thru hull exhaust conversion
  473. what kind of blower set-up is the tallest???
  474. water pump kits ?
  475. mercruiser V8 motor mount
  476. Steering Issue/Question
  477. header headaches
  478. Are anodes useless...
  479. Still over heating...pls help.
  480. building a big block roller
  481. newbiee( livorsi gps antenna) pls help
  482. keep fouling plugs
  483. fuel
  484. I'M looking for SS deck hardware
  485. Sand Strainers?
  486. Mufflers?
  487. msd ignition question
  488. Looking for a vapor separator tank (VST)
  489. 600sci and whipple stage 1
  490. Looking for an intercooler for a 525SC
  491. Water Hoses???
  492. Anyone have experience with SOLAR POWER battery maintainer?
  493. Sierra brand transom assembly bellows
  494. headers
  495. Boat lifting opinions
  496. 28 prototype
  497. imco and speedmaster lowers
  498. Need a 496 block
  499. Advice How to build tunnel flap for 1000hp 30ft cat
  500. Mercury 500HP Cranking Compression