View Full Version : General Q & A




  1. Carb comparison article
  2. Fuel Tank sender depth
  3. Adding another Trim Indicator
  4. Power steering , hard
  5. What length/part # is a mercruiser serpetine belt 2000 MPI 8.2 w/o PS.
  6. Flare to AN adapter
  7. fuel issues
  8. Duel Side by side gas tanks-fill?
  9. comp cams short travel hyd roller lifters
  10. Pit stop USA
  11. 575sci/ ITS School me!
  12. 496 HO belt squeak/pulley when cold
  13. stock 525 efi lifter
  14. Lifter madness
  15. ProMaxx 317 heads arrived
  16. Prop depth
  17. Distributors
  18. Trying to post pics on my classified ad but it keeps saying they are too big.
  19. Upgrading throttle body and flame arrestor
  20. J tubes
  21. Piston Rings
  22. Air Fuel Ratio Meter
  23. Welding Aluminum Exhaust Manifolds
  24. Trs drive/merctran 2
  25. 482 merc
  26. Carb linkage ratio
  27. Source or cross reference for merc 502/500 fuel pump harness end
  28. Lathem steering rams?
  29. Replacement injectors for 2000 500 EFI?
  30. hardin marine vs stainless marine question
  31. Diesel fuel system question
  32. 575SCi
  33. Bracket for Holley smart coils
  34. Ford Mercruiser
  35. Anyone have 496 Serpentine belt crossover numbers ?
  36. Gauges
  37. Oil pressure sending unit BBC
  38. cam shafts
  39. blower vs naturally aspirated engine
  40. Anyone familiar with Marine power source in Miami?
  41. Trim position issue
  42. 598 CI - what whipplecharger?
  43. Merc 900 valve Springs and lifters
  44. 500 hp efi nameplate placard
  45. Oil pressure/Oil restrictors
  46. How to jump a mercruiser connector?
  47. Prop Question
  48. Blowers and Comp ratio
  49. Needing more total timing 1997 Mecruiser 5.7
  50. Matching Powdercoat Colors
  51. Have trim switch question???
  52. Prop spin in or out?
  53. 604ci build. Ready run msd or ignition box?
  54. MerCruiser 7.4L 310HP Running Rough and throwing code 43 Continuous knock
  55. Livorsi shipping charges...
  56. Manually Degreed Cam Lobes
  57. Corretti Racing Engines
  58. cam advise for 454 mag
  59. Propeller Bag
  60. Ending Soon,Only slight vibration be quick.
  61. 525 cam installation
  62. Engine wiring harness
  63. Where can I buys these
  64. How to Detect Valve Train Instability
  65. Hp 500
  66. 496 ho electrical issue?
  67. What oil cooler should I buy for 5.7 MAG GEN +?
  68. Best Carb for Stock 350
  69. New 1100hp BBC build.
  70. Crossover question?
  71. Nose cones
  72. 454 Mag compression
  73. LS 454 in crate, how much is it worth and how do I get rid of it?
  74. 454 build
  75. Blower cams
  76. Boxes or no boxes on 388 hustler
  77. plug for 1996 35 fountain lightning
  78. 502 MPI water pressure question
  79. Oil temp locations...??
  80. Portside Gauges Register Low
  81. OMC king cobra
  82. 454 Vortec Vs. Gen 5 454
  83. Need a welder.................
  84. Powdercoating pulleys
  85. Your Ideas for 454 build for 1000-4000RPM with most torque
  86. holley terminator fuel injection
  87. In depth- LSA explained
  88. Electric water pump, yay or nay?
  89. 502 MPIs
  90. MG502 Difference
  91. 502 MPI - valve cover vent tube size.
  92. 525 efi water temp sender
  93. Down turn / Underwater Exhaust?
  94. Interresting teardown
  95. Engine power question N/A motor
  96. Coolant hose question
  97. best oil for 500efi
  98. PPI before purchasing engines?
  99. Question on 380 K planes
  100. Running Hard: RPM + Distance
  101. Can someone lookup serial number 0C352476?
  102. Dual Dominator Blower carb Accellerator pump tuning/linkage adjustment
  103. Storing/Working on boat of trailer
  104. Looking for a new Lovett 900 bildge pump
  105. Valvetrain vids
  106. Can we make a Sticky for how boats are constructed? Useful when buying used boats....
  107. Aluminum hub coupler or Steel?
  108. TB IV timing different from G5 454 to G6 502?
  109. 454 Magnum EFI experts, I have some questions regarding a pending boat purchase
  110. Mercruiser power steering pump vs. Automotive pump
  111. Shipping a BBC
  112. Need Trim pump ID from KAAMA boats PIcs inside
  113. Mechanical fuel pump
  114. flushing without Drives?
  115. Good oil thermostats??
  116. Fuel issue
  117. What size carbs for B&M 250 blowers
  118. Saltwater used engine
  119. Ditch MerCathode for Anode Protection?
  120. Carpet Backing
  121. Mercury Verado 300's
  122. The rookie
  123. Best way to mount stand up bolster seats
  124. Header feedback
  125. 525 EFI question....
  126. Looking for cam ideas 5.7 Vortec Carb
  127. K/E Spring Oilers
  128. low compression 548 dyno testing has begun!!
  129. new standard lower
  130. Big cube 454 for fun
  131. 500efi hp gains
  132. WTB Air Dock Lift
  133. Rochester Quadrajet
  134. HP500efi Cylinder Heads
  135. Rigging/plumbing things
  136. Supercharged 502 versus HP500's
  137. Edelbrock EFI fuel pumps
  138. Where to buy windshield grommets for windshields?
  139. Will the Canton 90 Degree oil filter block adapter support both filter & cooler?
  140. Timing set for gen v block with step nose cam
  141. What happened to black baja
  142. BBC blower pistons.
  143. HP 500 Rebuild expertise
  144. Where to buy "Stainless marine" exhaust gaskets, disk gasket between the manf. &pipe
  145. Which Gimbal Anode? Two Part #'s Showing.
  146. Oil pans BBC
  147. Would you be afraid of buying a boat with these motors?
  148. Oil filter head.
  149. Need slightly taller 502 valve covers...
  150. Innotech dash panels??? Still in biz???
  151. Who's got a desk top dyno?
  152. 1985 454 best heads to use?
  153. Valve Cover Options , Opinions Needed
  154. Found something inside a coolant hose
  155. Tail pipe builder Grand Rapids MI area
  156. Bbc SC deck height
  157. Dump the Carb, intake, or both?
  158. Moisture in valve cover
  159. 540 build exhaust question
  160. Stainless marine to stellings width issues?
  161. Changing gear oil in mechanical fuel pump in 525EFI...
  162. Question on intakes
  163. Carb CFM
  164. 525,600,700 header gaskets
  165. 496 water actuators
  166. Solid roller duration vs hyd roller duration.
  167. Spark Plugs 496HO
  168. Did they ever make a 350 Vortec engine with a fuel pump boss?
  169. Merc 700sci
  170. Refinish Bravo One in Detroit
  171. another cam thread
  172. P5 Hydromotive Props on Formula 382 with 500 EFI
  173. Replacement oil filter/cooler lines/USCG approval?
  174. Adjustable guide plates
  175. Is anyone running an in the tank fuel pump?
  176. Were can I get these
  177. Moisture in heads and top side of Valve cover help.
  178. Trim Tabs quesitons
  179. 496 mag HO longevity
  180. extension box on this typ of hull and transom?
  181. cam suggestion
  182. engine oil temp sender
  183. Some videos thought I'd share .
  184. Fountain dash panel labels
  185. Drive shower option
  186. upgraded 500efi shift issues
  187. Impermeable Masking (Type) Tape?
  188. 502 engine build
  189. Extension box?
  190. Sea strainer install question
  191. Some Saturday Motor Fun
  192. 330hp 454 Flame Arrestor work on a 502HO?
  193. Afr heads with PAC 8002 spring upgrade.
  194. Gen V heads on a Gen IV block head gasket?
  195. Carb question. 850 vs 800
  196. LED Docking lights, any experience suggestion.
  197. Carb question
  198. Cam Question
  199. Need boat surveyor in NJ near Atlantic City/Little Egg
  200. Hawaiian jet boat
  201. Does Silent Choice contribute to reversion?
  202. 2.3L whipple blower Safe Limits
  203. Will carb need rejetted?
  204. Blower surge Make it stop
  205. 502 Mag Rebuild
  206. Heads Iron Vs alunimum
  207. Anyone seen gear lube leak out of water intake?
  208. Mercruiser 400 cyclone info needed
  209. Not fast enough, help!!
  210. Used merlin heads worth anything? 1 is cracked
  211. Imco sc -3
  212. Got my heads back fresh with a little clean up and a cam suprise
  213. Mercruiser 7.4 454 mpi overheating?
  214. Gen 6 firing order question
  215. Scorpion rockers
  216. Carb spacer or no ?
  217. Cam identification, please.
  218. Promaxx 320 flow numbers
  219. What Does OSU Do On Gibraltar Island @ PIB?
  220. Muscle car related vacuum advance vs piston speed
  221. Cobra Power
  222. installing imco +3 box, dropped
  223. Stamped Engine ID #'s
  224. Bad set of rings?
  225. Need a pic of p/s pump on 454/502 MPI v-belt engine w/ ProCharger
  226. idle adjustment 575 sci
  227. Injector cleaner
  228. 525 Repair Costs??
  229. Need some advice,procharger or 177blower
  230. Magic VooDoo 39 - any information appreciated!!!
  231. Can someone tell me year this engine is? Serial Number is
  232. engine question, good base or not
  233. Hub kit
  234. Roller rocker debate
  235. Bravo XR Trim Insert Adjuster Positioning
  236. Gen VI 489 +20 build
  237. Need Hydro Hoyst, Air Dock for 38' boat
  238. 604ci Nortech motors
  239. Deleting cooling hose merc BBC
  240. Need Crand HI-6M instructions
  241. Impeller and hose trouble with Hardin pump
  242. 496 crank kit, quality & fair priced kit for home builders. Help
  243. transom straps
  244. 1996 formula 27 sr1 graphics
  245. Hull issues
  246. Bandit motors
  247. Help identifying engines
  248. Manifold Longevity
  249. hp 500 carb question
  250. Oil Pressure
  251. anyone know this guy on here
  252. SSM Exhaust
  253. Hynautic Steering Question (Not smooth when wheel turned)
  254. Transom Plates
  255. Arneson Drive traits
  256. 1981 Scarab S Type 330 TRS. Outdrives can easily move either direction not running.
  257. Premature main engine bearing failure mystery
  258. Lobe separation
  259. AFR 300 magnum prices
  260. Needing help with h i n #s help help
  261. Teague 825 EFI Vs Merc 525 Supercherged Stage 1 Whipple
  262. Whipplecharged 540 maintenance
  263. blower height above crankshaft
  264. Professional Motor rebuild question...
  265. Converting to closed cooling
  266. Oil pressure sending unit mounting orientation
  267. Question on bravo gimble
  268. distributor gears.
  269. Converting EMI Thunder wet passage riser gasket joint to dry.
  270. Magic 28ft Deck Boat 525 Whipple Upgrade
  271. Pulling 330 TRS Engines tips and tricks been awhile 81 scarab S Type
  272. Hey Full Force Tim
  273. Daytona
  274. Supercharged 540 Camshaft
  275. Overheating 350 in 1977 scarab 300
  276. No wake zone low speed miss
  277. Manual oil temp control??
  278. Gen v 454 merc mag efi cracked block, replace block or entire engine??
  279. Help - Need parts for a 7.4L/454ci GM Delco Voyager EST Distributor
  280. When should heads be rebuilt/serviced with closed cooling ???
  281. Please help! 89 Johnson 90hp
  282. Who wants to play
  283. rocker studs bb gen 6
  284. Sonny Leonard Engines
  285. Battery boxes
  286. 525 intake manifold vs 502 Mag intake manifold
  287. Manifold question
  288. Cam question (Whipple 500efi)
  289. Solid roller lifters?
  290. DO cool fuel lines go bad? Got a kink in one of mine.
  291. Drive and Tab cable length for 81 Scarab s type.
  292. slop in throttles 81 Binnacle mount single lever twin throttle shifters
  293. Better option for Fuel Filter/Water Seperator?
  294. Stem Pocket Lines on 502 MPI Intake
  295. 6.2 mercruiser valve springs?
  296. Machine and weld exhaust
  297. Any 28' Powerplay or 29' Phantom experts??
  298. Silicone hose for exhaust?
  299. Compression ratio
  300. Hydraulic vs hydraulic roller.
  301. is there a gas grill website like oso ?
  302. SBC cooling question?
  303. 496 MAG ECM on a 496 MAG HO??
  304. Bravo 1 496 Mag Exhaust Riser Question
  305. Solid roller adjustments or check intervals?
  306. Hp3 GM racing 2005 525 motor
  307. Pro comp bbc intake min CSA vs 454r min CSA and minimum to maximum differences
  308. Valve cover differences
  309. best vinyl conditioner
  310. Bravo Drive oil cooler-Drew Marine Cool Swirl
  311. Thumping idle
  312. Swim platform for a Switzer 24SS
  313. 525sc Rebuild
  314. roll off work on...
  315. 525 Fei Crankshaft
  316. Ignition
  317. how much power can stainless marine take
  318. Where can I get a small piece of Corinthian riviera red carpet
  319. Rebuilt HP 500 carb motors
  320. Anyone know these shifters?
  321. Mercruiser 496 Fuel Pressure Regulator-2004 Cool Fuel
  322. Anybody had your fuel pressure guage pegged?
  323. Scorpion Rockers... good, bad?? ugly? long life??
  324. tranny cooler plate....how hard?
  325. Aluminum head valve seat material??
  326. Mercruiser cyclone 400 manual
  327. Dana marine exhuast
  328. Replacing cylinder heads on a 500efi?
  329. Tips for Pressure Testing Headers
  330. -12 bungs
  331. 28 daytona eliminator and procharger fitment
  332. Dart block oil temp
  333. Stainless marine exhaust Q
  334. Alpha Cutout Switch NOT Working
  335. NA pistons
  336. Low speed cavaition, what would it feel like ?
  337. Bravo III prop nut
  338. What's the difference between 35-16595Q and 35-16595 and WIX 51515R
  339. Why don't boats have multi-speed transmissions?
  340. Replacing valve body on steering arms at transom anyone done this job tips?
  341. Verado 350 rigging manual.
  342. Mayfair extension box
  343. Daytona Ignition data logging. Engine tuning.
  344. Hard start 540 whipplecharged
  345. Quick question
  346. Mercury 520 / 540 / 565 opinions
  347. milkshake on dipstick... what now?
  348. Too much Bow Lift.
  349. Do all Merc Racing oil filters have ADBV?
  350. Internal tie bar???
  351. Vinyl Wrap?
  352. Winterizing?
  353. Getting reversion and need some advise
  354. Corvette boat conversion...any info
  355. 3.0 L 250hp EFI Mercury outboard
  356. Are Sea Strainers Necessary In My Situation
  357. Freevalve Update - Camless Engine
  358. Sniper intake results?
  359. Oil level question
  360. Cam Specs
  361. teague pop up add
  362. idler pulley
  363. merc gear lube
  364. Hardin SS Exhaust Flappers......Alternative?
  365. Hydraulic Steering help.
  366. 500efi Saga Continues
  367. Timing question (setting initial/total)
  368. Roots blower top pulley not lined up with crank
  369. Merlin BB heads
  370. Engine builder wants $3000 more for Merlin block?
  371. Lets play the HP guessing game
  372. MSD Control Box wiring
  373. What are the chances of getting parts back from a engine builder
  374. Ilmor Oil Filter
  375. 502 harmonic balancer
  376. Any thoughts on how easy making power is?
  377. 572's with inter cooled 14-71's
  378. Compression numbers all over map on new , not yet broken in kongblock
  379. Marine Bluetooth 4.0 receiver
  380. 598 Engine Advise
  381. Valve springs
  382. Cylinder Head Volume: mercury 525 efi
  383. twin outboard V setup
  384. Is an air gap manifold needed?
  385. New 540 Combo
  386. Engine swap
  387. Anything to prevent where the outdrive "rubs" the gimbal ring
  388. Potential soft floor issue?
  389. Another Procharger needed ASAP!!!!
  390. 700 sci shift interrupt switch
  391. K plane sending units
  392. Valve seat materials
  393. 496 HO randomley turn off/on video
  394. Goodmorning from Italy!
  395. Clay Smith cams???
  396. What valves to use in EQ320 BBC heads?
  397. MEFI 4 to Nema
  398. 496HO problems looking for input.
  399. 454 oval port build results
  400. 2000 500EFI - Fuel Issues - need expert advice if possible
  401. Mrercury 700 dropping boost
  402. Converting from crossover to circulating pump.
  403. 4.3 Gl volvo ignition problem
  404. Afrs vs temp
  405. 38 ft mates cat. Aka cat scratch fever
  406. Dayton, Ohio
  407. Winterize with Super Chillers
  408. Jumping power hatch switch
  409. Motor Issue WOT 4000RPM
  410. 588 Idle Question
  411. New engine issue
  412. Alignment question with off shore mounts
  413. Waterjet system at transom of the ship hull
  414. SBC oil bypass question , reuse ok and orientation ?
  415. Rear Anchor
  416. Raylar 540 cu Short Block 496 upgrade ??
  417. holley throttle cable bracket
  418. What should a healthy vacuum reading be on 525 EFI?
  419. Exhaust manifold choice
  420. Couple videos for you guys
  421. I do believe I got bit by my purchase...
  422. Oil bypass question
  423. 496 Exhaust Risers on 6.2MPI's?
  424. Electric Hatch Actuator, Solenoid?
  425. What to do With My MK Cams
  426. DIY Winterization
  427. quick fuel carbs
  428. Drive setup on 30' Advantage
  429. Livorsi oil pressure gauge problems
  430. Some carb / intake info
  431. 509 MPI Starter
  432. Sonic Vendetta
  433. Help picking out a cam...
  434. Boat preparation for hurricane?
  435. Solid cam VS hydraulic VS short travel hydraulic?
  436. 4500 series intake that also has 4150 bolt pattern?
  437. facebook powerboat swap shop
  438. 2.3 on a 502
  439. Suggestions for a 35-38 cc under 300k?
  440. bell housing bushings
  441. Sealant / adhesive for sealing foam gimble gasket to transom
  442. Cleaning White Upholstery?
  443. Best Gel-Coat Repair
  444. Phone borescope...kinda cool!!
  445. Hardin Seaward 525 replacement exhaust
  446. Replacing Water distribution valve.
  447. Winterizing - battery maintenance
  448. 32 maelstrom
  449. Custom cam thread
  450. Fram XG5 502 MAG MPI & 20W50
  451. Would you rebuild those 500 efi with those readings?
  452. Merc Gen 3 cool fuel filter
  453. Need some help - Port motor not running
  454. Hydraulic steering
  455. How much reversion is too much??
  456. Gen1 Stainless MArine limitations??
  457. Four Winns Liberator 211
  458. Sc scoripion. Lots of questions
  459. Using freshwater flush port to winterize
  460. MEFI 4B CD or Download Needed
  461. 496 HO Question - What are these and how should they be adjusted?
  462. Give this 502/509 Combo Some Thought
  463. What Carbs would you buy
  464. Fighting a miss under load
  465. The curse continues... Brand new coupler slipping?
  466. Best Carb Spacer 4 hole or Open?
  467. Merc Smartcraft mpg... U.S. or Imperial?
  468. Water in hydraulic trim system
  469. Go badgers.
  470. US gasoline power beginner questions
  471. Heads/Cam or Supercharger?
  472. Water Traps in the Fuel Tank?
  473. best hole shot Trim tab position
  474. AFR numbers what's good and what's bad ..
  475. Bmax drives input
  476. gaffrig silencers
  477. 525 Edelbrock head
  478. 502 oil issue
  479. Setting the base timing on rebuilt 500 EFIs???
  480. 6.2 MPi
  481. Engine Air Temp
  482. Looking for engine builder in ct area
  483. Mercury 600SCI - Engine Fault - IAC Output
  484. Stainless marine exhaust converted to dry? Gains?
  485. Dyno... Marine trim VS Dyno (race) trim
  486. Upgrading fuel lines due to age and upgraded engine
  487. Repower/ long lock opinions
  488. Mercury 520 Performance upgrades
  489. 454 suddenly stopped, abruptly, would not even turn over. Took plugs out and
  490. Boat plugs out with pipe dope
  491. Boat plugs out with pipe dope
  492. Powerquest razor 22
  493. Aluminum heads
  494. Cam and valvetrain longevity....??? low duration high lift...
  495. Mercruiser 470 stalls after it has been warmed up. Wont idle under 2000 rpm
  496. Going from 5.0 to 5.7 or 6,2 SBC
  497. Opinions on rewiring engines
  498. Fluctuating engine temperature in my 2000 7.4 mpi Mercruiser Bravo 3
  499. 1075 sc cam in a 565 NA build
  500. How to clean oil coolers