View Full Version : General Q & A




  1. Expensive Rev limiters 454 mags???
  2. Bravo 1 xd Hyraulic trim Annode mounts???
  3. Where should I splice into for Engine Hr meters? Thanks!
  4. Piston to Cylinder Clearance
  5. VST Diapham help!
  6. Removing Steering Cable From Rack???
  7. surface prop
  8. cam choice for hp500
  9. What if you had a CVT in a boat?
  10. 525 EFI Beware?
  11. MarkIV heads to a Gen5 454?
  12. gen 5 or 6
  13. Overheating Problem
  14. E.C,M. malfuncion
  15. dry storage????
  16. Merc. Racing 600 sci.
  17. Cockpit Flooring
  18. upgrading a 509
  19. 509 or 540
  20. Shrink wrap
  21. Exhaust System Choice?
  22. STD bore of a GM tall deck bow tie?
  23. What's this worth?
  24. Diamond Plate Planning and Installation?
  25. 502 springs
  26. Gen 6 cam in Gen 5 block?
  27. OK, What's the Consensus On Antifreeze...in or out?
  28. Bravo locks/theft deterant?
  29. Technique to get on plane
  30. Nordskog/Feuling Head
  31. desktop dyno
  32. Crankshaft Mounted Raw Water Pump
  33. 280 K-planes is it normal
  34. 454 cam upgrade questions/opinions..
  35. Old Fuel in Fuel Tank
  36. Surface Drives, Why NOT????
  37. Interesting tips on Spark Plugs
  38. What valve springs should I use ??
  39. Whipple swap
  40. ECM tuning near Kentucky
  41. Merc. carb and intake
  42. VIN Check Please
  43. Spark Plugs....
  44. transum
  45. Frozen prop ???
  46. New heads flow 530/370cfm unported!
  47. water pressure sending unit 496
  48. Aluminum flywheels
  49. Procharged 496 stroker
  50. Crane HI-6M on HP500EFI
  51. Help Identifying This Engine "Dick Simon"?
  52. Help with trim motors
  53. is it a 302?
  54. External hydraulic steering connection
  55. transom fittings
  56. Why would Gil Manifolds crack?
  57. stuck hatch
  58. Anybody know anything about this exhaust system?
  59. What power are you guys running in 33-35' and the speeds your getting?
  60. What is Reversion?
  61. engine ??s
  62. Need JE pistons.
  63. 502MAG EFI motor freshen up
  64. Fuel system storage
  65. Carbon Fiber Dash
  66. XR With Water Block Off Plate
  67. cam specs
  68. Cam recommendations - 502 (former ZZmotor)
  69. 496 "iac" mufflers ?
  70. 575 Blower Gaskets......?
  71. FAST sytem or DFI, anyone build motors and tune with these?
  72. Low Oil Temps ...
  73. Looking for info tech on the 525 EFI
  74. Head Gaskets
  75. 454 magnum problems help please
  76. rolla prop
  77. Exhaust/Mufflers
  78. Alternator Noise Filter
  79. top cap or halo
  80. Oil coolers with thermostats
  81. Kit for Relocating 496 Ignition Coils?
  82. Whats the Max Compresion you can run on 87 Octane?
  83. Vinyl In Ontario, Canada...
  84. Need trim tab help and recommendations
  85. Raylar LSM 550?
  86. Phone number for RMBUILDER
  87. What Causes Blower Motor Surge
  88. Alternator Help
  89. Bravo XR.? XZ?
  90. 496 Exhuast Question
  91. Performance coating pistons.
  92. speed sensor wire on 99 dodge dakota 4x4
  93. 7.4 MPI and 502 Mag
  94. Anyone interested in 2001 28' Warlock Cat w/twin 377 Scorpions?
  95. exhaust selection
  96. Mobil synthetic 75/90 gear oil
  97. Iron Eagle heads and push rods
  98. Can a 454 put out 650hp on 9.5:1 compression?
  99. Fuel Pump Recommendations????
  100. Are 365hp and 420hp valve covers the same?
  101. exhaust pipe question (575 Sci)
  102. HP's out of 502 Gen V HO
  103. My World Heads Lunati Roller Cam
  104. Gen 6 502
  105. Dana exhaust on 496 engines ?
  106. DDT cartridge hp 500
  107. outbord 2.5 question
  108. Blocks
  109. Wiring harness
  110. rocker arm geometry
  111. Battery Help
  112. Are turbocharged motors noise legal
  113. More nonsense
  114. Restrictions "Help"
  115. who to do holley carb rebuild????
  116. steering id ?
  117. 496 MAG HO Oil
  118. Custom vs Factory Quality of Motors?
  119. 540 with 525 EFI and M1 Procharger
  120. Yet another 525 header ?
  121. 496 Whipple Stage II experiences?
  122. What Are They Worth
  123. glasstream 273ccx
  124. Prop Reccomendations Please... 90 Scarab 454 Mags
  125. Engine Alarm... Any ideas???
  126. 525 EFI Setup to Early 90's 502
  127. oil sitting on intake flange between carb and intake ( 525sc)
  128. Upholstery Stapler
  129. Magnaflux or Pressure Test?
  130. How long is stabilized Gasoline good for?
  131. Running hot on port engine...
  132. 502 Mag MPI o.s. pistons
  133. Different Weights Of Engine Oil????
  134. mk 4 vs. gen 6 pistons
  135. is this normal? please read
  136. Naked Splines
  137. Do you pull batteries for winter?
  138. The price of srap aluminum
  139. check valve
  140. Need a quick measurement...please
  141. Fast Glass risers-problems, info?
  142. What Is Acceptable Crankcase Suction
  143. Switching from efi to carb, which intake should I use?
  144. fuel pump/sea water pump bracket and pulley
  145. silent thunder 223 formula
  146. How are dual sets of throttles rigged?
  147. up grading the 500 EFI....to run 8 lbs boost
  148. ss risers for 496 ho
  149. blueprinting a hull
  150. exhaust choice
  151. Recomendation for a 'crate' small-block with 325+ HP
  152. whipple 5.3 anyone using them ?
  153. Whipple Charger-
  154. 383 buildup questions plus a cam choice
  155. More boost with the chiller?
  156. Termites in a boat??
  157. Fuel filters
  158. Anybody looking for a winter repower project?
  159. Transom soot
  160. Max power out of 600SCI
  161. CMI header troubles with 500, 525, 575's ??
  162. 454 vs 502 flywheel
  163. gen v 454 mag install into trs setup
  164. Internal Flappers
  165. Force Offshore??
  166. Raylar 550
  167. 496Ho exhaust manifolds/risers F/S
  168. fuel issue
  169. What kind of pump???
  170. Boat Interior's
  171. Stereo guys, are these current draws in line?
  172. Can I ad power steering pumps to a non-powerd full helm system?
  173. Mercruiser HP 500 supercharged ?
  174. GEN VI HEADS-DART BLOCK compatible???
  175. Intake manifold gaskets
  176. How much cam will a stock 496HO accept?
  177. bravo 1
  178. going from 3 v-belt system down to 2 v-belt
  179. how to winterize fresh water system
  180. fuel filter
  181. Blower carb set up
  182. .020" sbc head gasket
  183. Jet Black 496ho Oil.....
  184. Sea pump rebuild List
  185. HELP!!!! Merc 350MPI problem! Sputtering
  186. Big Tube Racing Headers
  187. Alternator Pulley
  188. Opinion on 605 Tunnel Ram Build
  189. Oil bypass valve Gen VI 502
  190. Smal block Chevy Mercruiser FI manifold
  191. Fuel tanks
  192. Satellite company?
  193. mercruiser ignition module question
  194. 502MAG EFI motor issues
  195. ZZ502 w 741 cam issues
  196. Boat Vinyl In DE.
  197. Camshaft
  198. Where to Sell PEROZZI 12 ga 2 BBL set
  199. Mating 525 headers to a 496....????
  200. Loose bell housings
  201. help me build a motor.. classic restore on a Martini
  202. Looking for RM builders Ph#
  203. Blower Motors
  204. Anyone Familiar With Buderus Boilers For Sno Melt System
  205. 502 mag mpi al cylinder heads
  206. Engilne Block Drain Plug Help
  207. paging Ram Dom 32
  208. Engine Builders-What head gaskets are you using?
  209. 496HO water pressure-What should it be?
  210. Changing oil thru the dipstick
  211. 320cc or 360cc runners?
  212. Bravo Transom Assembly ?
  213. help please
  214. Hardin Oil cooler with Thermostat
  215. Gen VI 7.4 shortblock
  216. Dyno service
  217. How to disconnect steering cable, TRS ???
  218. What Should The Flywheel weigh
  219. Water Dumps
  220. Checking ampherage draw
  221. Time to rebuild 525's
  222. Blower or not??
  223. 502 carb linkage
  224. 502 EFI injectors
  225. SSM#3 extension boxes
  226. need phone #
  227. What kind of set up is this?
  228. WANTED Reverse rotation Power Steer Pump
  229. Best Oil Temp Sensor Mounting Location
  230. Reliable performance, 496, 525 or 600 any thoughts
  231. BBC Piston Advice
  232. 454 Mag rebuild
  233. How long to go through...
  234. Toy Box
  235. 525 efi ?
  236. 32' & 42' Condor ?
  237. going rates on 1989 330 hp and bravo one parts??
  238. Full cover for boat
  239. Pics of homemade winterizing contraptions/MacGyver'isms...
  240. Arneson
  241. 502 MPI change to Carb
  242. Inexpensive 6-rib serpentine P/S pulley
  243. ITS and extension boxes
  244. Low fuel Pressure: The Sequel
  245. throttle body
  246. Unknown HTC cranhshaft
  247. Resale scarab
  248. Estimated horsepower on rebuilt 454 mag??
  249. thunderbolt ign. ???
  250. 502 MPI vs. HP500 EFI Fuel Injector Size
  251. alternator amp for msd
  252. 500 hp Valve Spring Broke with 6 hours on it?
  253. Will this engine work?
  254. Wiring Harness for Mercruiser 454 carbed
  255. who makes pulleys with same offset as merc blue
  256. Help me understand blower sizes
  257. Headers Question
  258. refreshing my 502's
  259. New BBC build, looking for advice.. anyone out there?
  260. Winterizing made easy?
  261. valve cover breather
  262. marine dyno on ebay
  263. Can I buy Keihin injectors directly??
  264. msd timing curve
  265. 454 Mag carb starting
  266. SS Exhaust flaps inetgrated with tips for 454 mag
  267. 2007 353FT, can't get out of the hole?
  268. Injecting fuel AFTER the blower?
  269. Where's the drain plug?
  270. 496 Mag HO, Questions ????????? Donzi 26ZX
  271. Marine Tex on Donzi hull
  272. Mercruiser gear lube monitor leaks - recommendations?
  273. Shift cable adjustment
  274. 500Efi intake on 502 mpi
  275. need Help with Cam degreeing - What am I doing wrong?
  276. bilge pump size
  277. oil pressure differential .....
  278. 502 MPI vs. HP 500 EFI Control Module
  279. Winterize 496HO???
  280. 5.0GL Volvo Penta Carb/pump fuel issue???
  281. Water in oil!!!
  282. help winterizing
  283. Holley Carbs issue ?
  284. Coating inside of quadrajets
  285. new crane ignition or old one
  286. cam buttons and valve girdles
  287. GEN VI Oil pressure relief valve(s) ??
  288. Head, Heads, Headache
  289. boat and trailer LOA ?
  290. Fuel tank question ?
  291. Valve Covers
  292. What temp. will freeze a 496HO not winterized?
  293. Any Info on a K&K Aero Boat
  294. Has anyone ran extension boxes on a 36 Spectre?
  295. Carb issue?
  296. General Comparison Merc 575's vs 525's
  297. Safe Cruising rpm
  298. bbc too high oil pressure
  299. 525EFI closed cooling, what antifreeze to top off?
  300. Vinyl Repair
  301. Vortec Roller Upgrade
  302. vortec heads and exhaust manifolds
  303. HP OF 1989 350 Mag Thunderbolt
  304. 502 roller rockers ??
  305. 350 high performance intake manifold
  306. Drew Marine Sidewinder
  307. Thermostat's or not?
  308. quick Gen VI block question
  309. Any thoughts here on how to clean the clear plastic on todays vehicle headlights
  310. 28' Cigarette Propeller Recomendations
  311. What do you all think of the M1 procharger for the 500 efi
  312. What is it Worth ??
  313. 86 272 formula prop help?
  314. Bravo 1 has slop in p/s
  315. 502 mpi- keep blowing map sensors
  316. ValvTect Products
  317. Bravo X question....
  318. Mercruiser K Planes 110s
  319. 502 randomly cutting in and out
  320. Thermostat
  321. plug wire ruined?
  322. Fuel tanks, replacement need advice 33' Egg Harbor
  323. Drains in a 454ci carb'd Merc?
  324. racing fuel
  325. Salvage value on a wrecked boat?
  326. HELP! can't find freeze plug on 05 25hp Merc OB
  327. ECM reprogaming
  328. Seawater pump pulley wobbles
  329. Seawater pump pulley wobbles
  330. Fuel pressure drops off idle
  331. HELP HOW TO GET MORE POWER FROM 350 mag
  332. bravo 1 speedo question
  333. Wellcraft Nova II question
  334. Failure Issues with 525's and CMI headers
  335. alignment tool
  336. Fuel Pump
  337. Valve springs (&lifters) for moderate tune-up
  338. GM - 858049 Oval port heads
  339. Freshen motors -- what "really" needs to be done?
  340. Hydro Lock
  341. 496 engine winterizing question ?
  342. Peanut port options
  343. Which headers fit a side mount Whipple?
  344. Oil dilemma -- Need advice please.
  345. Drive fill bottle
  346. Dumb question here!
  347. 575 Idle Question
  348. What will be the result of changing twin to single
  349. Equalizer Anti Sway Weight Distribution Hitch???
  350. OSS Races
  351. 502 EFI top end
  352. 38ZX, 500EFI W/WHIPPLES, Real Speed
  353. 575s
  354. Rear Crossover on intake manifold
  355. Oil and filters
  356. Lovorsi GPS Speedo Stuck???
  357. TRS Flywheel
  358. Cast aluminum BBC gen V r VI oil pan?
  359. BBC PFM EFI supercharger manifold
  360. 575sci vacuum routing to aeromotive f/p regulator
  361. new engine
  362. single gaffrig controls white FS
  363. 496 exhaust how much HP
  364. Exhaust Manifolds already rusting, Warranty?
  365. Need a pictures-Returning engines to stock.....
  366. Flow testing Barry Grant Carb Video
  367. Valve float video
  368. haronic balancers
  369. New Fountain owner
  370. bravo 3 gimball needed
  371. air filters
  372. Livorsi Datatach Prop Slip - Is it worth it?
  373. Bellows question
  374. Rebuilding A Tired VP Engine
  375. Crossover Go-Fast
  376. Can I keep my 496HO from starting?
  377. Hardin Marine cyclone shorty headers/ Gill manifold replacement
  378. RAYLAR, anybody have there kits/motors
  379. Mark IV vs Gen VI Flywheel mounting..
  380. 502 Mag --water in #3 cylinder
  381. Winterizing
  382. Who makes the best cordless impact?
  383. Whipples on 6.2 MPIs & Bravo One
  384. 502 efi upgrade
  385. 496ho procharger
  386. oil filters
  387. 525 CMI , Hose from header to tail pipe ?
  388. how can you marinize an aluminum block
  389. retorque heads
  390. head studs sealers
  391. HP4 Remote filter mounts
  392. Drain plugs...
  393. Oil TSTAT Actuation Temp??
  394. Advice on fuel pump
  395. 4.5" stainless exhaust tips or just stainless pipe
  396. Water Pump 500 EFI
  397. Special thanks to some great supporters....
  398. Brava 1 to Bravo XR
  399. 420 HP cam specs??
  400. Electricaql Help
  401. Piston Failure Modes 101
  402. do i need to run a drive with reverse rotation
  403. Whats the differance
  404. Vinyl Work
  405. Best place for parts?
  406. Help with Diagnosis needed.
  407. khs powerboats
  408. 502 Fuel pump issues
  409. Somebody must know.....
  410. Tear the mutha down
  411. head studs spec.
  412. crane gold roller rockers
  413. Timing Gears for 454's?
  414. XR Drive oil change w/ WPM steering
  415. Hypereutectic w/ Boost
  416. Camming a 598' for endurance and torque
  417. 496 HO's, Procharger, VS. Whipple. VS. Raylar?
  418. CMI ETOP tailpipe conections
  419. Need Cool Fuel Relocation Kit P/N: 861637A
  420. Blower Cam Choice
  421. Best Book or DVD on Transom rebuilds
  422. Hull crack-HELP
  423. 2 speed Marine transmissions
  424. Trim Control Brushes
  425. Mechanical Fuel Pump 500 EFI?
  426. New Interior
  427. How much space is needed?
  428. Fresh Water Flush Kit
  429. Water reversion
  430. smoke / soot from one side of engine?
  431. New 496 slight oil leak
  432. Batteries, isolators, inverters, etc...
  433. Magneto Distributor
  434. Broken pistonrings! what caused this?
  435. what fuel pumps to use??
  436. 496ho procharger
  437. Vinyl Stickers?
  438. J+r Marine Gimbal Repair Or Merc???
  439. mechanical engineer
  440. drive fliud
  441. plug vs drive line gimle
  442. 2000 500 HP w/whipple question
  443. Outboard question for small CC fish boat.
  444. 1996 502 Efi
  445. belt dust
  446. meltdown
  447. 350's to 454's
  448. Gil Exhaust
  449. Tired 454 Magnum
  450. 2" shorty fitment
  451. retrotek??? anyone know?
  452. fluid damper
  453. what size of blower do I need
  454. Idle Air Control Motors
  455. 350 Marnum cam I.D.
  456. Volvo D3 Diesel
  457. How to tell a 454 Mag from 7.4 liter
  458. When to rebuild 525SC motor ???????
  459. need more speed
  460. fuel problem question
  461. Anybody know a formula for this equation???
  462. distributor
  463. need a pair of hp 500 roller cams
  464. How much more horsepower will I get
  465. Latham Marine reservoir adapter
  466. How long is gas good for ?
  467. compression on 2000 500 HP EFI
  468. MEFI 3 and Auto Xray
  469. HP boat security.....
  470. # on Motor , what is it? 525SC ?
  471. 500efi Heads
  472. GM 6.0L small block marine engine
  473. How to winterize a whipple blown motor?
  474. 1990 Scarab 21 Excel 454 Bravo
  475. 502MPI alarm
  476. exhaust questions...
  477. compression test
  478. Tachometer Gremlins
  479. #6 Drives....need advice
  480. power windlass
  481. Merc 525 gaudian mode question
  482. Fountain Questions
  483. How can I fix this? Shift cable housing stuck inside my Bravo bellhousing
  484. 502 MPI rebuild
  485. Need Hp525 Cam
  486. Which way does oil go through the filter? Center out, or outside into center?
  487. 24 volts for my hatch actuator
  488. prop...good buy?
  489. Extension boxes, TRS???
  490. IMCO Steering question
  491. Fuel Tank Pick up
  492. Outdrives, trim out different speeds.
  493. Depth Sounder location
  494. control box trouble
  495. Oil Synthetic or Stock? Marine or not?
  496. Oil Filter for 454 Magnum 1990 Carb??
  497. TRS Trim Cylinders
  498. Acceleraton from blower and carbed motor?
  499. Rock the Bay 2007.
  500. GM's Engine Oil Supplement