View Full Version : General Q & A




  1. 1 piece crank in a 2 piece block
  2. Lowrance Transducers !!!
  3. brodix intake valves
  4. Changing Drive Coupler
  5. 454 Mag EFI oil cooler upgrade
  6. 572 camming/build questions
  7. Top speed
  8. 700 SCI cam spec
  9. What is the maximum V . Before there is no return on the ride ?
  10. Upgraded 496, Fuel Pressure and AFR
  11. Aux. Fuel Tank Placement
  12. 23 nova xl top speed
  13. possible new engine questions
  14. small block cams
  15. Which Gauges To Use, and Which paint scheme
  16. One for the Carb Guru's
  17. Extension Boxes
  18. Outdrives raise on their own?!
  19. Sharp Trac 2000 Satellite Dish
  20. Sharp Trac 2000 Satellite Dish
  21. k e performance sbc
  22. Bow lift through use of skeguard???????
  23. Impeller toast or worst ?!?
  24. timing on a 454 mag mpi
  25. Rent or Lease a performance boat
  26. 575SCI Map sensor question
  27. Anodes
  28. may need set of big block pull outs
  29. K Plane manual
  30. Exhaust Gaskets
  31. 496 guys...need help
  32. Lightning Marine Headers with dry tails
  33. 540 bbc build advice
  34. 496 mag ho carbon build up
  35. Stange engine issue HELP
  36. AN water inlets vs. crossover
  37. 2001 500efi timing issue
  38. Hydraulic Steering Questions, Alpha
  39. closest water to Downers Grove ???
  40. Polishing Exhaust Tips
  41. Who's done the JR marine gimbal fix?
  42. Fuel Pump Relay
  43. need only 1-2 mph quickly..(help)
  44. Home made relief valve
  45. Any danger in shutting engine off at WOT?
  46. Windshield Trim
  47. Merc to Wix oil filter cross reference #
  48. What octane?
  49. geting a 2002 cat 540 merlin 29ft foceoffshore
  50. Nordskog digital GPS
  51. Cabin Mold Removal?
  52. what to do to freshen up motor and drive
  53. Change to synthetic oil?
  54. fuel problems in my scarab
  55. could I have some help on how to winterize my mercruiser 465's and TRS drives?
  56. Port side motor wont run
  57. Wanted: Whipple computer for side mounted Whipple kit
  58. Procharger / intercooler winterizing question
  59. pluming a sea strainer
  60. WIX oil filter
  61. Who should I send my boat to in South Florida for maintenance?
  62. Looking for good Ipad mount
  63. Underwater LED
  64. Mechanical indicator cable bellow?
  65. Thinking of Installin
  66. Bravo Gear Lube
  67. 496 manifold and riser
  68. Florida Condos
  69. Power Valves
  70. Engine decisions
  71. Winterizing 500HP???
  72. Trailer Winter Storage, how to protect the brake rotors??
  73. Zmax
  74. mobil or amsoil
  75. 496 HO alarm
  76. Fuel tank Alum or Plastic
  77. Steering issue?
  78. MEFI 4.. How much HP??
  79. Converting 2006 496 MAG DTS to MAG HO
  80. Bravo storage covers
  81. Water in the OIL!
  82. Differences in Volvo and Merc EFI?
  83. 500 carbed motors
  84. 496 MAG HO spark plugs
  85. transom moisture
  86. Bilge vent blower fan
  87. Small Block CMI Headers
  88. Carb Spacers??
  89. Owners manual
  90. Anyone running a Whipple SC for a 350 Mag MPI?
  91. Cam Question-Gen 6
  92. Running temp on an 03 496
  93. Max HP for stock 502 MPI computer
  94. What Price For Used 280 Kplanes
  95. Looking For A Merc Tech!
  96. 496 Mag Help
  97. Electric water pumps
  98. TRS Trim Anchor Pin Help
  99. Mercury 20-40 Full Synthetic now recommended for all engines. Another Oil thread.
  100. Carb help needed
  101. Fountain parts
  102. Dyno correction factor in Colorado
  103. Formula 223
  104. Cat Escape Hatches (floor)
  105. Whipple tuned 525 PCM?
  106. what to do to get more speed ?
  107. VORTECPRO VS Bob Madera/Haxby
  108. Best way to store a crank
  109. Exhaust Leak at mating surface of EMI thunder exhaust manifolds
  110. Speedmaster 3 Oil Leak
  111. Gaffrig guages
  112. Making a 1936 Chevy Vid !!!
  113. trim not working
  114. Replacing Weber carb
  115. Trying to make 450hp
  116. Water in oil
  117. Swollen hose 3.0 OMC Cobra
  118. Jetting
  119. Parts list for 454Mag MPI rebuild...ideas??
  120. Any one run 290 heads
  121. Mastercraft ski engine
  122. Gas gauge fluctuating?
  123. Cooling problem
  124. 4" exhaust trim rings?
  125. Dart Pro I 325CC
  126. adjusting carb and timing
  127. Fixing my Bravo skeg
  128. Exhaust Tips?
  129. Is Power Steering Cooler absolutely necessary?
  130. which is the fuel return line
  131. Volvo Penta D6 Electronics Question
  132. oil blowing out dipstick
  133. Lifter bore
  134. Exhaust Tip Gaskets
  135. What is the fastest small block boat?
  136. Idle Help
  137. coil smoke
  138. coil smoke
  139. senza speed
  140. Bennett trim tabs~ upgraded tabs???
  141. HELP! mercruiser 496 MAG HO - diagnostic port & trouble codes
  142. Closed Cooling Benifits?
  143. Mo. Boat title HELP!!!!
  144. No oil pressure in Rebuild
  145. Shrinking shrink wrap
  146. Matco Plasma Cutter
  147. Oil Pressure TO High
  148. Tach bouncing when in recall mode??
  149. Rebuild or Replace
  150. What Oil Cooler for a 1000HP blown motor?
  151. Marine Turbo
  152. Questions?? before installing thru-hull exhaust
  153. need a VST fuel pump
  154. Diagram of jabsco raw water pump
  155. where to intall a/f sensor
  156. 496 Circuit Breaker Problem
  157. Is the drive ratios incorrect on my test sheet? drive ratio from serial #?
  158. Ignition wires....
  159. loose steering at higher speeds
  160. thunderbolt 4 ign problem
  161. 98 454 mpi water pump
  162. Catamaran Driver training
  163. Oil With Zinc
  164. Head gasket seeping water...
  165. vst tank removed
  166. Oil cap
  167. Mercruiser Prop Shaft Ratings
  168. Pricing for Hydraulic Steering
  169. Best poker run DVD
  170. bbc or stroker sbc????
  171. How to trim a v-bottom at high speed?
  172. 36 Spectre or Motion
  173. 525 maintence
  174. IMP Powerboats
  175. procharged 355 carb choice
  176. "Porsche" on the water
  177. what is my mirage really worth?
  178. Htg 583cid, Starter Staggered? # Ofteeth On Flywheel?
  179. 502 Rebuild Cam Selection
  180. gauges not working
  181. What's the best GPS speedo?
  182. Fuel system set up for boost, is this right?? Pic
  183. 1998 502 MPI Fuel Pump...which one?
  184. 4th Starter in 583 in a month! Spins but won't engage after 1-2 starts.
  185. 454 mpi cam and programer upgrade who to use
  186. Engine Rebuilt Nightmare
  187. WANTED 454 mag 7.4 MPI, 502 496.
  188. Best prop for top speed
  189. Lab /labbed prop or Stock? Bravo
  190. Seashells growing inside outdrive
  191. Need Hose
  192. Gil compatible sbc manifolds?
  193. Smokin @ start up?
  194. CMI Gen X/Hardin/SM????
  195. 525 fuel pumps
  196. Boat did some weird stuff??
  197. 454 MPI LX not reaching WOT
  198. 355 cu Carb Choice?
  199. Upholstery Issue
  200. water pressure
  201. muffler recommendation
  202. fuel pressure on 525's
  203. rubber exhaust couplers
  204. VDO Fuel Sender
  205. So which manufaturer is bankrupt and who's not?
  206. 1985 350 mercruiser
  207. 502 pro charger removal, NO POWER
  208. help with 272 baja
  209. Water pump and Fridge not working
  210. Cutting out ...cough cough..died....wont even pop
  211. alternator discharging
  212. remote oil filter bottom cover??
  213. Clarion CMD4 to CMD7?
  214. Water pressure on 525 ?
  215. Boat Leveler - makes noise but doesn't move
  216. bravo one inner plate-transom
  217. 1975 Magnum Maltese to buy or not to buy??
  218. adding oil thermostats, what is the simplest install?
  219. Bow Roller and bow scuffs
  220. Upolstery help
  221. Anyone make 40over 502 slugs that wont break my piggybank?
  222. 454 330hp vs. 454 mag sound
  223. 8" dia x 2" height Merc Flame Arrestor, good or bad for 830 cfm?
  224. procharger encloser box and carb
  225. Engine builder wanted Cincinnati Ohio
  226. Upholstery Shop Recommendations Southern Maryland
  227. Slight Stumble under load
  228. procharger vs. cam and ecu
  229. Bottom Paint ermoval
  230. Thermostat Housing 1990 454
  231. What kind of Headers are these?
  232. supercharger efficiency
  233. Need HELP... Motor is cutting out
  234. Piston clearance on Mark IV 454
  235. Cam / Prop question
  236. looking to purchase a 1985 33Ft Fountain Executioner in osage beech needing info...
  237. Need wire & oil system pics for 454 MAG GM V8 '86-'88
  238. Rod Length? Short Stroke
  239. 496 Hi Temp Question
  240. Rev limiter question
  241. need a custom windshield made
  242. Crusader 454 Engines 350HP
  243. Which Rinda Scan Tool?
  244. Denver Area Mechanic Recommendation
  245. Aluminum heads
  246. Oil cooler
  247. AC Delco Cap and Rotor part number 500 efi
  248. MPI fuel injection question
  249. boat will not plane
  250. 496 Mag HO Low RPM's
  251. Holley .150 titanium needle and seats?
  252. 454 Merc missing
  253. Not sucking up water, at all
  254. Need recomendations on Custom Upholstery shop in South Fl.
  255. exhaust y pipe
  256. Knock sensor
  257. Power Trim Help!!
  258. Fuel Pump Installation Help
  259. 700 SC high idle
  260. Dual ram ext steering...ext resevoir ?
  261. OK, for you prop experts
  262. 502 Intake Question.
  263. I'm screwed.............
  264. 500 efi skipping after coil change
  265. 87' Tahiti Warrior II
  266. Mercruiser Gimbal Bearing
  267. Closed Cooling System for Supercharged Engines
  268. cam and compression question
  269. Hydromotive solid hub question
  270. wanted....exhaust trim rings
  271. EFI Codes
  272. sea strainers
  273. Hurricane at the Jersey Shore
  274. Throttle mounted Trim Switch
  275. 502 MPI Mag= rebuilds/upgrade to 500 efi?
  276. Jetting & stroking
  277. Port side trim delayed with thumb switch ?
  278. Spark Plugs
  279. 454 vs 496 Manifolds and Risers
  280. analog Gaffrig gauge trouble
  281. 5.7L or 7.4L??????
  282. thoroughbred boats
  283. 1990 Larson Senza 210LX Questions
  284. Anyone use these?
  285. 496HO overheating
  286. hull design
  287. alarm help please!
  288. 496 FWC - Flush SW
  289. NEW GUY HERE...Questions about BAJA 22 Caliber
  290. Need help with merc silent choice
  291. 25p turbo prop vs 25 mirage plus
  292. 454/330 peanut port heads/intake MPI
  293. Hull size + power = speed?
  294. eliminator 28' fundeck prop size help?
  295. trailer bunks
  296. procharger experts needed
  297. 4.3L v6 to 5.7 V8
  298. 454 carb main jet ?
  299. reversion question, Gil Offshore SBC
  300. HP500 Carb Air Cleaner
  301. more fuel problems
  302. outboard conversion
  303. More 496 bugs, overheat this time!!
  304. Anyone have MSD 6M connectors off bad unit?
  305. 502mpi gn 6 running temp issue
  306. double wall tips
  307. Arenson drive on 27' Daytona
  308. Oil valve relief 500 Efi
  309. 500 hp big block chevy
  310. backfiring through the carburetor???
  311. tune up kit
  312. Cone Clutch and Lube Question
  313. 496 Sputters on take off....
  314. valves
  315. Any 502 MPI Experts?
  316. Fuel pick ups
  317. Looking for person to dyno.
  318. 496 mag shuts off going down the lake
  319. Power Steering Pump Retorfit
  320. Compression test questions
  321. Recommendation for IR temp gun
  322. would this 540 be a good buy?
  323. Fuel injected 525SC
  324. 496 mag buzzer / alarm
  325. alpha / Bravo manifold differences
  326. Fel pro head gaskets BB
  327. Loads up at idle
  328. 454 Mag MPI Horizon?
  329. need a hei distributor for a 94 502 EFI
  330. Will these headers fit?
  331. U.S. Engine Inc.
  332. 540 merc bulldog build?
  333. Bravo Gimbal Ring Maintenance
  334. Camshaft for 350
  335. First Post hello's!
  336. Guys with BOOST, what mech fuel pump??
  337. What water pickup to use?
  338. stainless manifold plumbing ?
  339. log vs center rise exhaust
  340. Street 350 engine
  341. over heating issue and need help....my first poker run this weekend!!!
  342. 496HO Fuel Pump Cross Reference
  343. IMCO Exhaust flaps
  344. Knocking sound when cranking
  345. Procharger idler bracket/ modifications questions
  346. Cam Specs for a 525 EFI
  347. High Fuel Pressure - Carb'd BBC
  348. cheap prop vs expensive prop
  349. 454 Engine missing and cutting out under load HELP PLEASE
  350. low fuel pressure
  351. Is it bad for a boat to sit un used?
  352. 496mag HO problem
  353. New 502 carb woes.
  354. Torque to the port side really bad now..
  355. Hydro vs solid cam
  356. Dual 4's or single on B&M?
  357. Holley 850 help
  358. Mustard tree stain on seat, Help
  359. Muffler help needed
  360. Lowrance Depth Gauge
  361. 96 500 HP Carb Cap and rotor
  362. Correct plug for stock 454 Mag MPI?
  363. What Carb Do I have and need
  364. Speedo Faded on every used boat?
  365. Any idea how this wire shorted out?
  366. trim tabs
  367. VST EFI pumps
  368. whipple pulleys
  369. mirage to mirage plus conversion
  370. what is a good prop slip number ??
  371. Good place to test vacuum on 454 merc?
  372. MSD Pro Billet 8560 problem...
  373. Which prop?
  374. need some marine blower cam help. engine builders inside
  375. impeller and housing
  376. Need some jetting help
  377. Teague Fuel Filter Housing
  378. Bennett hatch actuator
  379. JL Audio 7.7
  380. oil cooler ?s
  381. threw hull pick up what bonding glue to use?
  382. Bravo 1 XR Upper to Bravo 1 Lower
  383. gen 4 heads on gen 6 block can i us stock rockers and push rod
  384. New water/gas separator engine wont start
  385. 7.4 mpi cool fuel
  386. how many hours before rebuild?
  387. Amsoil remote filter head
  388. zz502 - what is the largest bore size without heat problems?
  389. Lifters??
  390. Upgrading TRS Motors
  391. Rob Schooping/htg Motorsports
  392. excessive priming a 454 to start after sitting for weeks ?
  393. Stelling Extension boxes
  394. Neutral safety switch cant find
  395. RPM's have dropped from 4800 to 4200 at full throttle
  396. Flame Arrestor: Stock or K & N
  397. 3 to 4 blade question.
  398. Forgot plug, turns over, won't start?
  399. Trim Control on Throttle?
  400. What fuel for 502EFI MAG?
  401. Spark Plugs
  402. Roller Lifter life
  403. intake manifolds
  404. Aeromotive A1000 sounds like war!
  405. Making a350 a 383
  406. 350 Mag engine miss
  407. Exhaust help
  408. holley jet sizing.... curious what others are running
  409. opinion 383vs454
  410. 598 Engine Build
  411. 525 Fuse
  412. 496 MAG IAC mounting location
  413. Intake/head port mismatch
  414. best oil for 575 sci blowers
  415. Water Blockage in Bravo 1 Lower?
  416. Building 350 MPI any help
  417. Looking for used 27 dayton
  418. 575SCI water in cylinders
  419. Alpha y pipe and block off plate bolts and o ring
  420. Polishing aluminum valve covers, what to use?
  421. Oil-line hookup on my Gen V HP500.
  422. trailer help
  423. New help with a few issues on new motor install...
  424. Risers too hot?
  425. Supercharger help
  426. K Plane and Extensions Box?
  427. Merc prop defect in casting?
  428. 502 efi problem
  429. Loss of speed over 3800 rpm
  430. ignition timing/super charged
  431. After Market Fuel Injections
  432. Battery/Wiring/Switch Question
  433. Exhaust exit help on Baja 226 Sport
  434. 454 mercruiser ex manifolds
  435. MEFI 1 xdf file
  436. Power Steering Dump Cap Replacement
  437. trs drives
  438. Rebuild kit for 9780s carburator.
  439. Powered Stern Light...
  440. Please help! Complicated reversion problem
  441. 525 sc intake manifold
  442. Varnish And S##t In Fuel Tank Cleaning
  443. Ignition timing, idling woes, Opinions of what to trouble shoot?
  444. Use Rev Limiter or Let Carbs Limit Revs?
  445. 502 Stroked to 547 - Oil Cooler Suggestions
  446. Nav light switch is hot
  447. 115v AC wiring help. With diagram
  448. setting cam endplay with cloyes 2 piece timing cover
  449. hydraulic fluid
  450. Adding an oil temperature gauge to a 496
  451. 565bbc numbers
  452. Horsepower vrs. Torque
  453. pros and cons of bravo three
  454. would anyone be able to give me some eyes in clinton, mo
  455. 540
  456. 502 water pump which hose?
  457. Tab Pump Issues
  458. best water pick up for cat stepped hull
  459. Help Water in oil... Alot
  460. Bravo 1.65 gear sets
  461. what cam and prop fot 454
  462. Weak valve spring symptoms?
  463. Prop hitting drive??
  464. Merc 454 carb to 496 HO?
  465. donzi 26
  466. Mercruiser Starter Switches.
  467. 502 Inectors
  468. Weird issue
  469. cam help... 496 bbc
  470. boat not wanting to accelerate off idle formula 242 ls 502 mag
  471. Hallett 300
  472. Mag Vs HO engines
  473. 496ho gremlins strike again
  474. HP500 procharger..how much boost ?
  475. Fuel pressure regulator?
  476. yellow corvette c6
  477. 460 Ford Berkley Jet
  478. 525SC fuel pump part #
  479. Low Hp Air or Exhaust
  480. 2001 28 td daytona
  481. Eickert Oil Pan /oil Pump Set-up
  482. Staggered Engines
  483. 525 Problem
  484. Wiring diagram
  485. Tips or no?
  486. 496 Crank sensor intermittent? no code?
  487. Goto 540 or Tweek out the 489
  488. bravo coupler
  489. 97 bravo one specs
  490. Sea Strainers
  491. 600 sci fuel pressure too high
  492. Anybody Notice?
  493. boat stall
  494. Fuel flow problem. Help!
  495. 502 water pressure
  496. 454 submerged in salt water
  497. Bulldog 420 hp Tempest Sport 32'
  498. need a ecm
  499. trim problem
  500. Trim Probelm