View Full Version : General Q & A




  1. What effect does changing CG have on perf?
  2. More U Bolt Tests This May Be It!!!!
  3. Trim Ram Limit Kit Help
  4. Optima Batteries
  5. Tool to cut Stainless Dash panels
  6. Help with Mazda (Ford) 626 A/C
  7. Props / RPM / WOT / Slip #s - Throttle-Up, Help !!!
  8. compression on BBC
  9. What is the redline on MERC 900SC
  10. Is it possible to convert manual bolsters to electric?
  11. yet another paint question
  12. Aluminum heads
  13. Third (house) Battery
  14. Engine HP
  15. 351W Rebuild Pricing..
  16. Chine Walk and Prop Effects?
  17. New Formula's of Mobil 1
  18. Which is faster 38 fountain or 38 Hustler slingshot
  19. 261 Liberator with King Cobra questions? Help
  20. 3.3 whipple on 575 SCi
  21. Wiring Harnesses for 496 Strokers
  22. Valve Guides Help Please
  23. TruckAddOns.com
  24. 502 Mag MPI cam specs
  25. Prop recommendations
  26. Silent Thunder and noise laws
  27. installing offshore mounts
  28. Prochargers ???????????????
  29. Lower Drive Unit Spacers
  30. adhesion of a transducer
  31. cutting bravo lower to make a shorty lower?
  32. shorepower install question
  33. How much does a Chris Cat weigh?
  34. 6.135 or 6.385 rod length?
  35. What Advice On #3 Outdrives
  36. where does V6 Module hit max advance?
  37. 27' fever info
  38. Sealing Gimbal Housing?
  39. good sorce to buy water hose?
  40. Quench, Head Gaskets, and SBC's Oh My.
  41. anyone running imco sf-20 tank switch valve
  42. Motor to come out. What to check?
  43. Tricks for rounded off head bolt?
  44. Hydraulic Line Repair
  45. boost question
  46. Life Expectancy Of Merc 575 Sci
  47. 525 SC's life expectancy
  48. Fuse Problem?
  49. Stainless Marine
  50. Surface drive wanted...
  51. MSD Distributors
  52. Vinyl upholstery cleaner
  53. Hey AWESLH!
  54. 454-310 MPI fuel pressure issues...
  55. drive painting
  56. Phone number for Mercury Racing parts?
  57. XR VS IMCO, and the answer is
  58. engine builders
  59. Looking For S.s. Electrical Fittings
  60. Cable Assist Hydraulic Steering Vs Full Hydraulic
  61. Mercruiser 454 magnum
  62. Serpentine pulleys from 502 Procharger install
  63. New 600 Merc. Hp
  64. TRS Bellows Replacement
  65. Paint Job
  66. Hook on trailing edge of hull....what if.......
  67. how much and where to get hydrolic stearing?
  68. Stud Girdles
  69. Fuel Filter/WaterSeperator
  70. Gas for promax 300
  71. Adding oil temp and water pressure gauges
  72. Looking For A Pair Of Hp-500 Cams
  73. mechanical water pressure & intake manifold pressure/ boost gage
  74. MSD Distributors & Boxes $$$
  75. restoring old formula
  76. Trailer Tires?
  77. Volvo Penta QL Boat Trim system
  78. Timing Advance HP500
  79. Reversion on 502 with Quick and Quiet plus?
  80. HP500 Crane Cam?
  81. When do cats fly?
  82. 540-598 with Chevy Rect port heads?
  83. Removing tab stops,Dangerous????
  84. Recommendations in selecting camshaft
  85. Extreme Mufflers
  86. 96 Scarab 29 windscreen
  87. Dyno results for Rtech supercharged 500EFI - 830 HP
  88. 2000 HP 500 Carb's w/ 150 hrs - Redo valvetrain or just replace springs??
  89. How long will my Alpha last?!?!!!? 450HP
  90. Spiro locks... is there
  91. Head gaskets--Fel-Pro or Cometic
  92. anyone running big brodie heads?
  93. Sound insulation
  94. FloScan Twinscan installation
  95. sea strainers install?
  96. Manifolds and Risers for a Ford 351
  97. Engine sputter/Trim
  98. 1999 500hp
  99. fuel system help
  100. engine weight
  101. Replace head gasket
  102. Paint for engines questions
  103. Stainless steel AN hose fittings
  104. Mefi greif. Help? Who's got the best Source.
  105. WANTED: BlowerTechnician near Charlotte, NC
  106. X dimension on a Baja H2X???
  107. paging tie rod
  108. Who has a great deal on a 496HO Whipple?
  109. Merc block #
  110. 496 MAG ????'s
  111. Captains choice question
  112. A/C and Generator
  113. VHF antenna tuning
  114. Holley Carb tuning questions
  115. Muffler cylinder ???
  116. 5 Blade Prop Question?
  117. Shorepower wiring grounding
  118. Thottle Up!
  119. A Challenge = Free Lunch
  120. 575 SCI Whipple intercooler/intake ?$$?
  121. XR vs ZR
  122. Need Tail Stock Housing For #3 Speedmaster
  123. Prop ? Mirage vs. Laser II vs. Ballistic
  124. 95 powerstroke direct inj performance boost
  125. TCI, ATI, Fluidampr...........
  126. Numbers on outdrive
  127. hp 500 oil therm hose routing
  128. Looking for Jetting suggestions
  129. Pettit VIVD Bottom Paint
  130. The Test Results Are In.
  131. 496 questions
  132. Warranty Mercury 500hp Question!
  133. engine search
  134. Bravo Noise
  135. Reverse rotation mpi
  136. Volvo vs. Merc.
  137. What Brand is This Prop?
  138. 330 rebuild
  139. Bravo movement side-to-side
  140. Prop Question
  141. 353 formula wippled arneon's
  142. Shameless
  143. X Drive ratio question
  144. Transmissions
  145. 540 Dyno Numbers
  146. where to get intake manifold spacer?tall/short stuff
  147. piston problem
  148. `496 Mag Ho Tuning!!!
  149. Heelllppp!!! Bolster Seats....
  150. Help with EMI exhaust
  151. L-29 Vortech - Heads
  152. Merc 525 "Safe Mode"
  153. difference between 5.7 mpi and 350 mag?
  154. Verify age of Mercruiser
  155. I'm in need of advice on replacing a cracked 502 MPI 1999.
  156. quick question, crankshaft hp vs propshaft hp
  157. under hatch mirror
  158. Which Battery Charger
  159. Need help on a 28 foot V-Boat!!!
  160. Pre Lube System Question
  161. CG location for 35 Motion
  162. Cam experts: reversion question?
  163. 27 Fever fuel tank
  164. Engine hatch Vinyl
  165. Anybody make clamp-on exhaust tip extensions?
  166. Less speed but better handling
  167. mercruiser prop on a king cobra
  168. 6 hose to 4 hose T stat housing upgrade?
  169. Alpha Drive AN Fitting For Vent Plug
  170. Closed Cooling Question
  171. Bravo top cap removal
  172. Steering fitting / plumbing ??
  173. water pressure
  174. Bravo XZ or Bravo I, How can I tell?
  175. Bravo 111
  176. OOpps.Lean wasn't mean
  177. Power inverter question
  178. Boat Hatch
  179. which muffler to use?
  180. Dennis Moore SBC High PERFORMANCE
  181. Bravo Magnesium/zinc Anodes
  182. marine carb
  183. timing cover
  184. Merc Blues & Their Valve Springs
  185. New I.T.S. top caps
  186. Engine builders: 502 block defect
  187. 350 Mag performance upgrade suggestions
  188. fuel pump question
  189. Jacobs marine ignition ? ?
  190. Need Advice - Used Engines
  191. Trick Marine Billet Cap/Shower
  192. exhaust ?
  193. Imron on gelcoat...what about seems?
  194. Revolution marine exhaust ?
  195. Interlux Perfection ?
  196. Krusin Kool Air Conditioner and genset
  197. 30 vs. 34 pitch bravo one prop
  198. Cam help
  199. Valve Springs - 500 vs 525
  200. What ECM should I Buy?
  201. Back engineer my 454
  202. Mesa Jesel and OSO members
  203. XR Drive Engaging
  204. Stainless Marine exhaust
  205. Camshaft Selection for 454 / 365 magnum
  206. Nose cone talk on "cat" with twins...
  207. Repairing Damaged Skegs
  208. 496 exhaust
  209. compression ratio
  210. 496 HO manifold restrictor plate removal?
  211. Sheet Metal Intake!
  212. building 502 ?
  213. 7.4 L29 to 502 mag mpi swap
  214. bravo one shift interupter
  215. Clay Smith Cams
  216. New heads oval or rectangle
  217. Hp500 Oil Temp
  218. Best Drive Showers??
  219. Mercury 1075 "Constant 1075HP output" How?
  220. Fuel pump recommendations
  221. hp500 efi long block with intake and carb
  222. Cleaning electrical connections.
  223. Wanted 500hp
  224. EMI Thunder Cast Riser VS SS Riser
  225. top end rebuilds for 500efi +496 ho?
  226. short deck&tall deck cylinder heads?
  227. Whats the difference between #6 wet and #6 dry drive
  228. 525sc octane ????
  229. Merc 525sc Motors
  230. pros and cons on new style bravo 1
  231. supercharger? how does it work
  232. Help, need tailpipes for triple engine setup
  233. Merlin X head
  234. small vs larg oval port heads
  235. four winns liberator speed ?
  236. I Have Some Lab Test Reports On Oem Bravo U-bolts For Gimbal Ring
  237. Cheap upgrades - Exhaust mainifold swap?
  238. I need help!!!!!!!!!!!!!!!!!!!!!
  239. 454/502 Whipple Oil Cooler Bracket Info
  240. Rocker Ratio 1.7 vs. 1.8
  241. how to remove J tubes
  242. 500 efi starting problem??
  243. whipple supercharger side or top?
  244. hp 500 cam specs ?
  245. CMI Headers
  246. Rtech Performance to unveil new supercharging system in Miami
  247. Trailer brake supplier online?
  248. Cylinder Flow Specs
  249. Props off kaama drive same as sm. shaft ssm
  250. Bilge switchs
  251. New noise Drive.... Gimble .....???
  252. Transom Water Pickups
  253. Blown 509 head recommendations
  254. how to take out old carpet????
  255. tunnel ram intake
  256. cam
  257. Spring Maint - Outdrive Removal
  258. Need Help Finding Wheels Centers
  259. Head gasket question?
  260. lightning exhaust
  261. Want to hot up std Merc 454 (330hp)
  262. Dyno #'s HP 500
  263. engine builder who to use?
  264. I did a BAD thing!
  265. who makes the best high perf exhaust
  266. Tie Bar Installation
  267. White Wire on Livorsi GPS Speedo
  268. High compression or low compression.
  269. Speedometer Instal.
  270. Gen VI rear main seal ?
  271. Sirius Antenna
  272. BG carb choice
  273. Fame Arrestor USGA
  274. 496 Procharger install
  275. Blower on 600 merlin???
  276. Mercury Marine Manual
  277. Apology in order...
  278. BOOST,VOLUME and BROKEN ENGINES
  279. spline engagement; bravo staggered
  280. Forged or hypereutectic pistons?
  281. How long should it take to remove/re install engines??
  282. What type sealant for gasoline?
  283. brovo gear case
  284. ATTN: Four Winns Liberator Owners
  285. Hyd. Steering Cyl.????
  286. different style power steering pump brackets
  287. Msd Advance Curve
  288. Will a cherry picker (engine hoist) work for pulling an engine
  289. anyone have take out motors available?
  290. Correct Head Torque
  291. 502/415 MPI Gen VI Camshaft / Computer
  292. A New Style Fuel Pump
  293. 4150 Carb Dimensions
  294. Keyless Ignition Merc
  295. Looking for cam and intake suggestions
  296. How to Grease a Coupler
  297. Thru Hull Scoop
  298. Exhaust reversion
  299. Exhaust thru an extension box
  300. Motor serial numbers?
  301. The difference between a gen..
  302. Getting new gel coat... couple of questions
  303. Winter Is Too Long
  304. Mercury Racing Class I Engine
  305. #6 Drive Spacers needed
  306. Flow-Torq II + 502/415 = ?
  307. SSM#3 install on my Donzi Z-33 Help?
  308. 2.5 HP per cubic inch, How hard is it?
  309. Calling all oldtimers, er, "experienced boaters" - Merc motors over the years
  310. *****cat no more
  311. FORD 351 W Rebuild ... I need advice
  312. Imco 4 x 4 Drives compared to Merc's Bravo Design
  313. special spline grease merc makes?
  314. oil consumption ...
  315. Family & Performance Boating
  316. Throttle Up Propellers on Vacation!
  317. Hi all a newbie question
  318. Pullin 89' 454's installin 99' 502 MPI's
  319. edelbrock victor jr cnc heads
  320. bravo transom assembly
  321. Johnson crank driven pump capability
  322. Spring Break with Throttle Up Propellers and Hydromotive
  323. Jack Plate siezed
  324. Lifting Pirelli flooring
  325. Doing Springs, Lifters too?
  326. Best way to make 600 hp?
  327. Drive shower or not to Drive shower ?
  328. marine carb
  329. who does good gelcoat work in Austin
  330. Installing silent choice exhaust.
  331. 21' cobalt repower 5.7 to 8.1
  332. 496 shift interupt
  333. Marine Carb or Not
  334. ?496 Mag Ho Or Hp 525 Efi?
  335. Run frig off from inverter?
  336. engine rotation ?
  337. Bravo- engaging while in neutral
  338. fountain 42, which power?
  339. Alpha Gimbal Housing
  340. Piston Sprayers
  341. 496 MAG H.O. Torque
  342. what kind of engine wear to expect?
  343. Why Solid Lifters?
  344. 496 Mag HO
  345. Guage panel
  346. Rubber trailer bumpers
  347. Drive Re-finish
  348. Ford 351 Compression Ratio
  349. 4 or 5 blade prop? who has tried both?
  350. Merc model number
  351. Marinizing an HEI
  352. What's a good cam upgrade for a 575SCI??
  353. Go Ahead--RIP MY HEART OUT on this 565cid cam...
  354. Scrap $ Value of Stainless Steel
  355. Crossover info
  356. Carpet/floor/Bolster help
  357. Intake Part#
  358. AN Stainless braided hose ends
  359. Trim pump solenoid
  360. Need Mistress Hatches, Fairing, Helm
  361. adding K planes
  362. " Dennis Moore" type book for 4.3???
  363. GPS survey
  364. Gauge Removal and Updating
  365. Lobe separation
  366. 502 MPI System, whats it worth?
  367. painting boat
  368. Cam timing adjustment
  369. HP for insurance
  370. Looking for Fuel injection.
  371. TRS gimbal ring help needed...
  372. Bravo Shop ?
  373. throttle levers a little off....
  374. What is difference 502EFI / 500HP?
  375. Any way to save rusty block/heads???
  376. Why would pink coolant drain out of 496 mag?
  377. 7.4L & 454 Magnum.
  378. Bravo Top Cap
  379. What is the process of hard anodizing?
  380. Can you guess what this photo is?
  381. Baja 38 special model 2000
  382. experience with UNI-Top CMI??
  383. Double Tie-Bars?
  384. Wet/Dry exhaust
  385. Piston to wall clearance
  386. Picture of IMCO Lowered Alt & P/S Bracket?
  387. anyone running .010 piston to cyl clearance?
  388. speedmaster gimbles
  389. loose hydraulic steering
  390. Theoretical Motor Build Up!
  391. HP 500 Heads
  392. Anybody using the XM to GPS weather radar interface?
  393. Stringer Core Removal Question?
  394. difference's in engine blocks
  395. 454mag rebuild in progress
  396. Ford 5.0 Bigger Cam, Shaving Heads, Roller Rockers... Extra Speed vs Reliability
  397. alt not charging till you rev it
  398. Desktop Dyno 2000 work with WIN XP ?
  399. 496 Draining raw water
  400. What to spray on engine for corrosion?
  401. Tail Pipes For Stellings
  402. blue print hull and dial motors
  403. What do engines weigh??
  404. Newbie: Marine Motor Questions
  405. Need a blower hatch for a 42 Fountain
  406. Doe's boost affect valve spring requirements?
  407. Going from a 502 mag to a 500efi
  408. engine builders
  409. Backfiring Issues
  410. Speed loss thru Bottom paint
  411. p/s pump and engine rotation
  412. Valve seat question
  413. Removing Imron graphics from a Fountain
  414. 502 with low oil pressure.
  415. Blower question
  416. numbers on the top of the pistons
  417. Thermal heat rejection
  418. HP500 Lifter Valley Tray - What's it for?
  419. Cylinder Pressure?
  420. Dyno sheet from Mesa
  421. 575 sci air cleaner ?
  422. New Here... Break in period Cig-20
  423. Digital Cam question
  424. headers flange
  425. Billet crossovers on 575SCi's
  426. Trim Tab Mounting
  427. HYDROCRUISER on COOLANT
  428. Carb Advice, Please!!
  429. Minneapolis area performance marine service?
  430. big jet drive
  431. are carb spacers worth 200 bucks ?
  432. Cleaning aluminum intake
  433. Budget Boat 330
  434. Neutral Safety Switch
  435. Anyone with any experience with bmax drives?
  436. manley valves??
  437. Synthetic for T R S ??
  438. Air Brushing
  439. silent choice or switchable mufflers
  440. Need suggested exhaust for 650 hp bb 540's
  441. intake manifold choice?
  442. Moroso Distributor Timing Indicator
  443. Engine Cradle
  444. HP 500 EFI Valve Spring Update Question
  445. Drive Swap
  446. 8.1 Knock Sensor
  447. Amsoil's New Gear Lube
  448. Which blower system is the best???
  449. jet ski pump condition? How? Kawasaki1100zxi
  450. oops
  451. Single Plane Intake Manifolds.
  452. 454 manifold suggestions
  453. 1993 502 exhaust manifolds
  454. 500HP's to 575's???
  455. Anybody need a pair of CMI tailpipes, half price?
  456. need trim indicator part.
  457. 454 vs. 496 exhaust angle
  458. Stock 502MagMPI Rebuild
  459. 350 mpi cam question
  460. 496 Engine Harness needed
  461. I need an Alpha lower and 4.3 V6 longblock.
  462. Thunderbolt IV
  463. Low water PU's
  464. New BB water pumps for $80???
  465. Rubber bumpers
  466. wet sanding / polishing ??
  467. Sea Strainers
  468. Methanol Additive
  469. Charger custom install
  470. Volvo Penta's new drive system
  471. Fiberglass Repair
  472. Drive recommendations
  473. gear case.com
  474. Parts Needed
  475. Dyno near Milwaukee WI
  476. reversion???
  477. How do I figure boost?
  478. 1100 Rpm @ Idle/ Bad For Xr Drives?
  479. Who does the gimbal overhauls?
  480. Paint removal
  481. I Can Now Fix Your Lower Gimbal Ring
  482. YAMAHA 200VMax 2002 model tech question
  483. engine covers
  484. Diacom Marine EFI Software
  485. Retrofitting a pad to an existing hull...
  486. expert motor builders w/ blowers advise wanted
  487. MerCruiser Power Steering
  488. upgrade a Bravo
  489. ARIZONA SPEEDA & MARINE UPGRADE?
  490. Opinions on painting / coating aluminum swim platform
  491. ITS slop factor?
  492. Does anyone have the Phone number for Joey Griffin's shop?
  493. Alien Cowling FOR YAMAHA 150VMax TRP 1998
  494. Updating a black helm?
  495. Whipple charger on 525EFI
  496. 496 HO advice
  497. which props
  498. Mfgrs claims on weight?Scarab 33'?2000yr
  499. E-a-g-l-e-s!!!!!!!!!
  500. How much is a blown XR worth?