View Full Version : General Q & A




  1. how much are these motors worth??
  2. water reversion ?
  3. Help With Gauges - Tach Works Randomly
  4. Why so many bb's vs. sb with procharger??
  5. Frozen 500efi... Now i guess i get to build a new one;-)
  6. 25 sunsation impeller change ??
  7. Charging issues
  8. How is water getting in the cylinders of my 496Mag?!?!
  9. Hydraulic hatch cover wont lift *formula boat
  10. gas gauge quit working
  11. Synthetic for an older motor?
  12. Best Oil for a Merlin long Block 540??
  13. Adding 2 stereo batteries
  14. 97 454 Mag stock oil pressure?
  15. alpha one whining
  16. powerglides with twin diesels?
  17. 575sci Intermittant RPM hesitation??
  18. Gauges ??
  19. Oil pressure gauge fluctuating above 3000rpm!!!!
  20. Broken Exhaust Valve Guide SBC
  21. Canfield stud girdles?
  22. 502mag and msd tach adapters:
  23. Stand off box, when do you use them, what size of boat?
  24. HP500 16535 Hydraulic Roller Lifters Cross Reference
  25. RPM issues
  26. oil sandwich adapter
  27. bat boost components
  28. 525SC Stock Jetting?
  29. HP500 Headers and bored over jetting change?
  30. Stock Chevy 454 Timing.
  31. replaced tbolt v with d.u.i. and cant get tach to work
  32. Reverse Rotation Engine
  33. Tb Iv - Help!!!
  34. Fuel Pump Mech. GPH ? which one
  35. 454 mag lean? need advice on what to do
  36. Boat position on the trailer and slings usage
  37. Prop Selection Help Needed
  38. Stock factory hydraulic steering arm leaking
  39. J.c. Marine,,,496 Impeller Kit
  40. prop
  41. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  42. Another Holley Idle Thread - I'm at wit's end!
  43. oil temp sensor placement
  44. Missing alarm check - 496 HO
  45. Speedometer not working with IMCO
  46. 502 MPI hard start when cold
  47. 700sci IAC Fault Code
  48. Air Gap Intake Manifold
  49. How to tap 502mpi fuel rail?
  50. Can't get engine to warm up.
  51. Captain's choice wont stay open
  52. oil line size
  53. 502 -99 wich gasket?
  54. water in oil 454
  55. Constant tension hose clamps
  56. Outdrive Jacks and Stands
  57. msd problems
  58. Exhaust Diverters
  59. Oil T-stat selection and plumbing
  60. Valve guides for Mercury Racing 525 EFI
  61. X-Dimension Help
  62. 4.3 missing
  63. 496 Poppin through exhaust
  64. Blower motor
  65. 502 Ecm
  66. K K Tab Cables???
  67. Ran above 4000 rpm, overheated
  68. Scx Oil
  69. Arneson single cylinder steering
  70. What size/brand line on your box anchor?
  71. New Sarter Motor Or?
  72. batterys
  73. Any idea where these wires go
  74. Bennett Tabs?
  75. bimini top
  76. Special relay for engine hatch actuator???
  77. thermostat housing issues..
  78. Urgent!! Please Read!!
  79. 500 efi rough idle- surge
  80. fuel pressure problem ?
  81. Max HP for Stainless Marine Exhaust
  82. short block or complete???
  83. 525s vs 700
  84. Did I Undercarb my 489?
  85. Seating Capacity 87 Nova III?
  86. 525 Timing Adjustment
  87. B 1 drivr to a XR
  88. Carb/Fuel pump Help
  89. K&N VS. Gaffrig style
  90. Fuel Problem
  91. whats less room on a blower motorI am
  92. Trim Pump Dipstick??
  93. rubber flooring
  94. 502 mpi Fuel Pressure- need help
  95. Steering Helm replacement
  96. Black full cover How Hot?
  97. were to buy new cockpit cover
  98. hp 500 carb jet sizes??
  99. Steering control valve, Saginaw valve
  100. Busted Trim Tab plane
  101. 454 gen 6 H
  102. roller rockers and tall valve covers
  103. 420 Mega Blower B&M
  104. smartcraft
  105. 27 Series Deep Cycle for starting
  106. Baja 250 sport engine throttle cable question.
  107. Plug wires
  108. Converting from 502efi to 525EFI
  109. Can somebody tell me what part I need?
  110. heads? cam? small block stroker build
  111. Costs to rebuild Upper drive Bravo One X?
  112. Wire Size
  113. merc fuel cool system
  114. 525 Problems
  115. Shifter/throttle help
  116. 3X18 Oil Cooler Help
  117. 1987 Baja 240 Sport Hatch Lift
  118. k-plane mounting
  119. Priming Oil Pump
  120. Anyone heard of Xtreme Custom Boats??
  121. Any Jet Boat Techs Here?
  122. What in a Holley carb would cause a mid range miss?
  123. 525 sc Thermostat
  124. Livoris to Garmin
  125. Needed Vst Pump Asap
  126. where to be 140 Thermostat 7.4 mpi 1999
  127. Rebuilding A 525 Efi
  128. Carb size
  129. Fixed vapor lock 454mag mpi's with VST
  130. Mechanical Oil Pressure Gauge
  131. Mercury "O" ring sealant ?
  132. batterys
  133. Best Battery Setup??!!
  134. Fuel mileage 454?
  135. Gen VI 500hp
  136. Hawk 525sc oval port intake with rectangle heads
  137. 502 Mpi Problems Help!!!!!!!!
  138. HP nearly stalls when throttled back to idle
  139. Cmi Etops
  140. who makes a trans for torque 1375 hp
  141. props
  142. need help choosing prop for baja sport 250 with 450hp
  143. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  144. steering wheel out of center
  145. Holly Marine fuel pumps.
  146. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  147. Idle adjustment
  148. Baja 240 rpm question
  149. teach me about tunnel tabs...
  150. Help with Merc 5.0 cooling issue
  151. 496 HO Oil in coolant issue
  152. 496 HO Warning buzzer issue
  153. stepping The hull
  154. 825 mighty marine demon
  155. sea doo techs??
  156. K-planes
  157. 496 H.O. and Boost pump
  158. drive couplier
  159. mercruiser lower shift cable
  160. VHF Radio
  161. Exhaust Temp
  162. broken motor mount bolt
  163. engine builder or mechanic in ct
  164. temperature problems
  165. 502 MPI hard start, water temps, steam, riser temps ???
  166. hp 500 carb leaking at throttle shaft
  167. holey or bg demond
  168. holey carb gurus
  169. 525 EFI Service intervals -When and what is recommended
  170. How much water presure is to much ?
  171. Whipple intake manifold.....huh?
  172. Best Engines :-) BPM or Crusader ?
  173. 502 hole in piston, oil everywhere
  174. Intermitent whine around 3000 rpm
  175. Engine Serial Number
  176. Corsa Q&Q+ trouble shooting
  177. Power steering weak??
  178. Vibration / U-Joint / Gimbal question - BIII
  179. Trim Tab Size Question
  180. 496 Mag Rich at Idle & Feels weak over 4k
  181. Floating Boathouse
  182. Nose Bleed Supercharger Boaters?
  183. 502 mpi Fuel Pressure Regulator Question
  184. Idle RPM
  185. 525SC Spark Plugs
  186. 87 Pachanga 22 props anyone?
  187. Newbie Outboard/GelCoat Question?
  188. 502mpi Vapor Lock
  189. Power Steering/ Steering Cable???
  190. steering ram size question
  191. Bill Gibbs Racing Oil
  192. Fuel pump oil
  193. Flushing out impeller pieces?
  194. Can't get the Alternator off
  195. Repower 2 x 36ft Spectres
  196. 10% Ethanol enhanced Fuel in my 525SC
  197. 500 efi alternator?
  198. 500 EFI recirculating pump
  199. cost to polish imco lower?
  200. Raylar Heads and Dana Exhaust
  201. Bravo Drives moving upon acceleration
  202. need help: breaking up, loosing rpm when running hard
  203. Recommended oil cooler size?
  204. Holley Carb Tuning
  205. what oil to use
  206. Port Tach jumping around
  207. Known problems and solutions
  208. Throwing accessorie drive V belts
  209. subwoofer box in rear bench and speakers
  210. Silent Choice Wiring
  211. Engines cross cranking
  212. Help new engine has a miss in the 3800-5000rpm range
  213. Forumla for Horsepower estimate???
  214. Oil Temp, What is normal or acceptable
  215. 496 ho over heating
  216. steering issuess
  217. Bravo Drive trims up, not down.
  218. ECU - Arizonia Speed & Marine
  219. 496 HO wont run, help!!!
  220. holley mech fuel pump
  221. 500HP starts missing in rough water conditions only?
  222. NXT1 Dipstick oil leak
  223. Oil temp sensor?
  224. Seawater Pump Belt Problem
  225. Time for new power, what to do?
  226. RPM/temp QUESTION
  227. engine hatch lift
  228. How bad does your boat leak?
  229. 177 blower pulley question??
  230. Best starter for a slightly modified 454?
  231. Shorepower charging
  232. Need blower carbs
  233. Electric Choke not working....
  234. new lenco hp 25x14 tabs
  235. Gaffrig gauges: what do you guys think?
  236. Horsepower Loss do to Wet Exghaust
  237. Jabsco water pump
  238. Livorsi GPS speedo not reading
  239. Oil level weirdness.......
  240. Fuel Pressure 502 mpi?!?!?!?
  241. flyhwheel
  242. Starter noise, but does not turn over.
  243. Stellings Box on 25 OL.....issues....
  244. Do all cats porpoise?????
  245. Smartcraft Guage problem
  246. Outboard Question?
  247. Help me start this 502!
  248. Exhaust Set Up Dif From 9.8 Block To 10.2
  249. 502 Balancer
  250. fuel pump vent hose
  251. Trailering clips for TRS
  252. Best conventional straight weight for a 700 Hp engine
  253. 600sci stage 2 probs
  254. Mechanical trim indicators are sticking!!! Help please!!!
  255. Fuel Problem ?
  256. Apache font
  257. Carb to MPI swap (gen iv)
  258. Change springs on HP500
  259. powersteering pump ?
  260. Ignition Fuse
  261. 1990 Black Widow coming along
  262. Msd Billet Distributor
  263. Inverter ground
  264. Restrictor in Prochgr FMU Vac Line, Why?
  265. How much drive oil in the sea water/fuel pump resevoir?
  266. Upholstery Question!
  267. thermostat housing/exhaust/hose routing questions
  268. Ever hear of a Brady Valve (vaporlock)
  269. Thackery spring
  270. merc racing pcm upgrades
  271. Starter Slave Solenoid Location -- 500 EFI
  272. repair a trim cylinder?
  273. Bad fuel pump?
  274. wire questions on 502 mpi
  275. 330 breaking up at 4200
  276. Can you guys use ZZ502's?
  277. Steering getting stuck when turned all the way left???
  278. omc ford 460 coupler
  279. Plug wires
  280. Compression Specs...
  281. O2 sensor - need install location
  282. props
  283. Need headers for 10:1 540EFI
  284. decent cd player for the $
  285. Intercoms
  286. 2000 454 Mag Mpi Starter Issues
  287. basic holley carb tuning question
  288. Gas Tank Pickup tube
  289. Drive trim Question???
  290. Oil cooler recommendation HP500
  291. Need advise on mounting anew compass
  292. Any thoughts of All American Drive Service?
  293. 525SC Clone Upgrades
  294. Cooking Gear Lube
  295. Fountain Ballast Tank?
  296. Best Headers?
  297. HP 500 (carb) upgrade options
  298. 38 fountain lightning vibration!!
  299. ??? Blown bravo one drive
  300. Alarm Sounding
  301. 500 EFI starting issue
  302. 502 mpi problem!!! HELP!!!!!
  303. Looks like I need a sea water pump; anyone have one?
  304. Oil leak on BBC
  305. White smoke from port exhaust
  306. Aeromotive fuel pump pressure drop?
  307. can i use a automotive water pump for circulation?
  308. Trim Switch
  309. choke problem ( I think )
  310. 502mpi ps/oil coolers set up on 496 build
  311. biloxy talkoffshore
  312. Stainless Marine OR EMI Replacement For Stock Exhaust Manifolds
  313. prop selection
  314. EMI thunder thread on bolts
  315. Both motors, #5 exhaust valve N/G
  316. mercruiser mpi wont start
  317. 500hp valve spring replacement
  318. corsa, 1 not opening completely?
  319. WIX Racing Oil Filters
  320. 500 hp short block
  321. Bad day on the water for 1 motor
  322. RPM loss on engine rebuild
  323. Does Livorsi still make the post style connection?
  324. Help needed fast intercooler
  325. Merc 500HP "Blue Motor" Cam & Heads
  326. GEN VI flywheel info needed
  327. x dimention
  328. Tubes on drives to induce cavitation
  329. Steering, Has anyone installed the Teleflex HPS rotary helm?
  330. Fresh water flush questions
  331. Bravo 1 forward- reverse clip question
  332. Digital Gaffrig Gps
  333. Steering Question
  334. exhaust muffler tip question?
  335. Exhaust Extention Questions
  336. Trim display outside your normal trim angle
  337. E3 Plugs?
  338. Question about cast iron exhaust and changing risers
  339. choice of 2 cams
  340. K-Plane and Trim pump fluid.
  341. Bravo X vs XR
  342. Help--got Gas??
  343. No Voltage to Port
  344. prop shaft wobble bravo 1
  345. Water temperature for 6.2 liter mercruiser
  346. 10' gw invader
  347. Question for the carb Guru's
  348. 92 Nova Steering Wheel Replacement
  349. need 496 experts again fuel prob?
  350. Gimbal bearing pullers
  351. Upgrades for 2000 7.4 MPI
  352. Intake gaskets
  353. Air hose from valve cover to breather
  354. what is this beeping noise?
  355. warning beep?
  356. 502 Oil filter questions w/HP500 oil Thermostat.
  357. 496ho constant beep
  358. Survey items on 1999 HP 500's?
  359. 42 fountain
  360. bluechart and C-Map
  361. electric fuel pump questions
  362. more Rochester Issues
  363. thermostat 454mag mpi's
  364. Best oil for 502 MPI?
  365. Eliminator Ride guide, new cable or replace with new helm as well?
  366. hulls, are newer hulls faster then older ones, do they change that much?
  367. msd
  368. Valve Cover Gromets
  369. Best option for 5.7 Mag exhaust replacment?
  370. How much HP was left on the table HP 500 C/R
  371. MEFI help needed
  372. CMI E-Top through prop
  373. 496ho warning beep
  374. Carb backfire?
  375. The HP numbers are in
  376. Use big cam and big heads or procharger
  377. Why use a Crossover vs. water pump?
  378. 502 Mpi Not Starting!
  379. Mercury Outboard Wiring Diagrams
  380. oil cooler water flow question
  381. Wood Floors similar to Cigarette Playboy
  382. any info would help
  383. Ride guide, new cable or replace with new helm as well?
  384. Mufflers for dry exhaust?
  385. 498 Stroker almost complete, few more ??
  386. Water Pressure Gauge Hose, what to use?
  387. Head bolts or studs
  388. hp 500 heads
  389. RPM and Thermostat Advice
  390. slave solenoid
  391. Which coolant in a 496 Mag
  392. Water flow and overheating issues
  393. cross overs
  394. leverage wax on new paint?
  395. msd for tach ??
  396. Sea Foam in with the oil 496HO
  397. msd slip collar
  398. Need Reversion Help
  399. 211 liberator with 350 mag engine upgrades
  400. Seawater Pump - Impeller Replacement
  401. Trim Tab problem
  402. 502MPI Oil Temp
  403. Scan tool for 502MPI ?
  404. Help wanted on Sixdrive
  405. VAPOR LOCK #&%! BLOWS (help!)
  406. Prop Slip to High?
  407. Power Steering "stiff" on my 454 Magnum
  408. i need a part number
  409. Coan 2 speed transmission
  410. Octane and compression discussion
  411. removing corrision
  412. 496 Loosing Antifreeze
  413. 502 MPI RPM Issue
  414. 454 Mag buildup
  415. Best Batteries?
  416. Intercom's
  417. Changed flappers to external now water reversion?
  418. Polishing Keith Eickart Exhaust
  419. Brand new k-planes- one sticks when down, HELP
  420. push rods
  421. Merc. 454/ 330 Torque
  422. How high can you safely mount a remote oil filter?
  423. opinon on jet docks
  424. Need help stumped...
  425. Just got a stinger 260 I need some help
  426. Wipple ECM upgrade- 496 Mag HO
  427. Engine compartment LED's
  428. Mcleod Electric Seat Wiring Diagram
  429. hydraulic drive stands
  430. 1985 40' Excalibur...
  431. Depth Finder Wire
  432. Cabin carpet - Dye POSSIBLE
  433. trim cylinder leaking
  434. Livorsi speedo light
  435. Engine builder question Help!!!!!
  436. SBC 350 Mag Exhaust Headers
  437. Help w/ Livorsi tach zeroing @5000rpms
  438. Rear Motor Mount Setup
  439. rods bluing
  440. Whats a good Valve Spg. - Rem./Inst. tool
  441. broken valve stem seals
  442. Holley Marine 830 leaking?
  443. performance fuel pump relay?
  444. Starters
  445. Valve springs
  446. carb spacer or not on dart intake
  447. odd bank of my engine is warmer than the even
  448. Alpha One Gen 2 Water Pump Parts
  449. Broken bolt. Mechanic liable?
  450. 502 flame arrestor
  451. few questions
  452. External Steering question
  453. How to buff and polish with Leverage.
  454. flame arrestor size???
  455. best fuel pump for me
  456. How accurate is the liquid filled speedometers??
  457. building a smal 177l blower motor
  458. Merc Blue Paint. B8110
  459. crossover hoses
  460. ring gap?
  461. Anyone run the Automotive Crane HI-6 box?
  462. Themostat/crossover questions
  463. Pompano Beach Mechanic
  464. spark plugs
  465. Any Snap-on\Mac dealers?
  466. 496 Ho Exhaust Heat Sensor
  467. Painting a DART INTAKE????
  468. Ramco Fuel Filters
  469. OK, new question :)
  470. Dart Intake...Will it work on my 489?
  471. Water sender question
  472. wont pass 1500 rpms and pops all over the place.
  473. Bigger Blowers. How much gain?
  474. Northstar 6000i Problems
  475. Where to buy new rub rail??
  476. 502 rebuild
  477. 496HO Circulation Pump.
  478. Stock Fuel pump max HP
  479. Bench flowing carbs (How I spent my Saturday)
  480. Wont trim up at speed
  481. What causes gas to turn white?
  482. Cats?
  483. Q-Jet hard starting and stalling at idle
  484. BBC oil pump
  485. Carb HP 500 effect of compression ratio on jetting??
  486. Whipple or Raylar: Problem Free or Not?
  487. OHM reading on plug wires
  488. dead boat, used once. :(
  489. Steering
  490. spark plugs engine temp.
  491. Oil Pressure sender for Livorsi Guage.
  492. plug wires
  493. How much HP do you guys think
  494. 406 Still Giving me a hard time.
  495. 94 gen 5 oil filter question
  496. 1985 wellcraft nova ii
  497. k-plane questions-mainly indicators
  498. Anyone running a GPS speedo head off their Garmin GPS output?
  499. Whats 502 Timing spec on Thunderbolt V w/ Carb.
  500. Hot Coil / No Spark EFI