View Full Version : General Q & A




  1. HELP! Dead Battery, Can't Open Engine Hatch
  2. Props for Sunsation32
  3. Props for Sunsation32
  4. hydro hoist users
  5. Flame arrestor mesh
  6. Helm steering for #6 drives
  7. Hull bottom
  8. 496 sea pump impeller
  9. Quick question on exhaust
  10. Deck/Building software
  11. Supercharging a 496...
  12. vero Beach, Fla??
  13. 781 or merlin heads wanted
  14. 454
  15. 1986 stinger 312
  16. Any ideas on props?
  17. NEED some exhaust Help Pls (496Mag)
  18. Prop size vs pitch question
  19. SS fittings
  20. Another Oil related article
  21. building a sbc motor
  22. Bell housing measurement
  23. Good blower test results here
  24. help finding Mercruiser HP parts
  25. 525 Efi Harness
  26. cross overs /thermostats why?
  27. sea pump
  28. MSD on 502 Mag MPI
  29. 502mag cam change or hp upgrade questions
  30. 502mag cam change or hp upgrade questions
  31. holley carb guru
  32. B1 coupler?
  33. K-Plane Installation
  34. whats so bad about leaving yor boat in full throttle when u go over a big wave
  35. What is this frankenstein engine???
  36. covering wire holes
  37. cracked head??
  38. Power valve and jets
  39. External power steering cylinder failsafe
  40. 454 Mags Need help
  41. 502 MPI Cams
  42. Quick drain air fitting question
  43. Rusty water when I drained the cooling system
  44. puke tank.
  45. help choosing crossover
  46. EMI Exhaust conversion to dry
  47. Selecting a power inverter.
  48. PCM 555 Service manual and the 525efi
  49. 454 vs 7.4
  50. What is this?
  51. Borla Mufflers
  52. Will Merc 10-qt oil pan work with offshore mounts?
  53. Need opinions on mild 489 build
  54. 93-97 99-02 454mag where is 98?
  55. Whipple 454mpi mag
  56. 496 HO forged internals?
  57. Scorpion 377 flame arrestor questions
  58. Cutting your skegs off???? MPH gain vs handling loss????
  59. 3 Bladed Speedmaster Propellers
  60. motor is almost back together finally!
  61. 454 Magnum questions...
  62. Dyno- Ethanol Fuel vs. Non-Ethanol Fuel
  63. zz502 vs. merc 502mag
  64. Exhaust condensation. How much is normal?
  65. Manifolds EMI or GIL
  66. 454 procharger compression ratio
  67. E85??
  68. fuel inj. cleaning and service
  69. HIN Scandia or Venture
  70. AN fuel lines (thread seal or not)
  71. I'm stumped?
  72. HP 500 efi valve springs
  73. 454 heads
  74. audio warning buzzer
  75. Update On Oil Lubrication
  76. intake manafold
  77. RHRs PITSTOP CORNER FILLING STATION ...
  78. lowering compression on 502?
  79. AN Sealing on pipe thread adapters
  80. Carb Engine Guru's
  81. REED cam??
  82. Bravo Drives
  83. Mercury Racing flame arrestor
  84. Oil Drain plug size on 99 HP500 Carb
  85. 8.1 HO repower help
  86. Forward ballast tank........
  87. aftermarket drive oil monitor
  88. help this prop
  89. mercruiser thunderbolt distributor
  90. Stepped hull alum tank install.
  91. Eddie marine Kplane help
  92. All of a sudden 3/4 throttle and hitting rev limiter.
  93. Merc impeller part number
  94. Hooking up a bow tank
  95. z010 camshaft...what is it??????
  96. 454 mpi 385 horse how much horsepower can one make
  97. Dry Exhausts with mufflers
  98. Looking for 871 setup
  99. Gil VS HP
  100. need help on a helm/orbital valve i.d.
  101. Building some 502's
  102. sea pump ?
  103. Yellowed seats
  104. cleaning out the shed whats left
  105. baffels
  106. Dart eagle irons on 502 build questions.
  107. Engine alarm wiring, and rewiring. Help.
  108. Ziegler Helm Posts
  109. Gas tank question?
  110. Crane Golg Roller rockers...2 sets...really different
  111. Mercruiser 454 Magnum Cylinder Heads
  112. ARP rod bolt ?
  113. Battery Chargers
  114. Diesel Engines
  115. Edelbrock carb
  116. best place to buy longblocks?
  117. Battery Switch 101
  118. poss. reversion and exhaust heat problem...please help!
  119. sea strainer plumbing
  120. Mefi-4b Ecu why so hard to find?
  121. Speedometer diameter
  122. Comp Roller Cam identification help....
  123. Sea Water Pump
  124. Sea Water Pump
  125. 2000 - 454 / 7.4 Mpi
  126. Steering Cable Baja OL24
  127. Max Speed 29 Scarab
  128. B&M 250 blower
  129. Gauges
  130. 10:1 compression
  131. 96' 454 Mag
  132. Merc 540 575hp build. heads, cam, ect..
  133. Help, exhaust manifold hits valve covers?
  134. ok I want to build a gm big block
  135. SBC Oil Pan?
  136. zero effort throttles and shifters
  137. holley carb spacer
  138. Engine Oil
  139. Transmissions
  140. 525'a RPM at idle?
  141. Who has the best price on Imco steering??
  142. Cant find info on my boat. 87 Nova spyder
  143. oil cooler lines
  144. Need Part Numbers...
  145. gen 5
  146. Trim rams
  147. k-plane cylinder rebuild kits???
  148. Steering helm going out...replace or go hydraulic?
  149. 502 MPI vs 502 EFI
  150. trim on throttle question
  151. internal flappers
  152. Log Stlye Manifolds - 3 Inch
  153. belt size for 525SC
  154. 572 hp/tq
  155. Whats the reason for a remote oil filter???
  156. 604 CI Build sheet
  157. 700HP Blower vs. NA
  158. Which heads will work?
  159. 500EFI Cam Specs
  160. Dyno-Flo 572 shortblock
  161. blower carb on a blowershop 250
  162. qustion on latham/hydro steering wingplate
  163. Which risers ?
  164. Rex Marine Drive Showers...Any Good?
  165. Engine mounts???
  166. Considering K Planes on 255 Formula Liberator
  167. Broken whipple
  168. batterys
  169. donzi zr
  170. water dumps
  171. sea strainer question
  172. 525
  173. Baffled Fuel Tank
  174. BBC head question
  175. Sell or part out 1,100 HP Motors
  176. Oil thermostat, sandwich type?
  177. 454 Manifold sprung a leak
  178. trim switch
  179. 950hp Drive Suggestions??
  180. Drive suggestions!
  181. Mercury Carbon Fiber Reeds
  182. Building a 604CI Motor
  183. Newbie intro and question
  184. blower rebuild
  185. Crossovers ?
  186. Procharger Install/Owners manual
  187. Trim tab and outdrive fluid change
  188. the best flame arrestor
  189. Dart 8.1 Gen 7 Iron Heads
  190. Hard Coat Anodizing
  191. Mercruiser 165 Water Flow
  192. Has anyone ever tried solar panels to keep batteries topped off?
  193. The Mercathode Question...
  194. Brodix heads 3XX
  195. Freeze plugs
  196. Transmission support
  197. 454 winter upgrades-update
  198. fuel line size
  199. 1 battery, 2 motors
  200. Tach questions
  201. Dart Big M Block
  202. Best Blow Thru Carb Who
  203. Cmi headers
  204. Pro charger M3 on hp 500 EFI?
  205. single 454 to twin 454
  206. Blower carbs, single or dual and where from?
  207. OSO CMI Header Education
  208. IMCO Power Flow or CMI Sport Tube
  209. Which exhaust system?
  210. Wtb: Hyd steering for trs
  211. need a part number ....any help??
  212. Injectors
  213. Which props 21's or 23's
  214. 454 Gen VI, (L-29) EFI Build
  215. Classifieds Question
  216. Cheap 496 mag upgrades (375hp)
  217. Volvo DPX A lower unit
  218. need opinion on gauges-carbon or platnum?
  219. Drive Pumps on Trim Tabs
  220. BBC crossover - w or w/o T-stat???
  221. B-Max lower Bravo Upper?
  222. shaft rockers
  223. Best heads for Gen VI 540's???
  224. K-Plane Bushing Question
  225. Midnight Express
  226. 550 stroker gen question
  227. injector cleaning
  228. Single carb sideways mounting
  229. 540 piston rings, gapless or standard ?????
  230. 47ft fountain parts needed
  231. 468/496 stroker or 8.1 vortec
  232. Replacement injectors for 861260T (502MPI Whipple)
  233. Mcleod electric Bolsters
  234. Continuous Solenoid
  235. B&M Blower service and Holley carb refinish
  236. 330hp 454 Exhaust Barr/GLM vs Mercruiser
  237. Imco -2" Lower
  238. Water in fuel?
  239. Is it worth it?
  240. Holley TBI kit, vers pro charger?
  241. where to order OEM crank and rod bearings, '90 454 MAG?
  242. Motorhome Covers
  243. 525 efi intake O rings
  244. Replacment rings 502 JE pistons?
  245. B/W Velvet Drive trans leak from breather
  246. K-Plane Pump(s)
  247. Rods
  248. Patriot performance heads ?
  249. On for the cab gurus
  250. Shorty Sportmaster lowers
  251. 454 mag mpi rebuilds or pro chargers?
  252. Drive trim not equal??
  253. Red transom lights:
  254. GPS speedo stuck
  255. thinking of buying a merc 420/425
  256. Sand Treatment
  257. anybody have gasket part #'s for bottom end?
  258. LED light strips: any actually made in the USA?
  259. maching vortec heads
  260. Tuning help pls
  261. single ram to dual ram steering
  262. Pro Comp heads & Dana exhaust ?
  263. Northstar M84.....
  264. merry Xmass
  265. merry xmas to all
  266. Latham Filter
  267. Stock or Upgrades?
  268. stock audio equipment Formula Fasttech 382
  269. Carb help pls
  270. Lower Unit heights
  271. fitting to run trim indicator cable thru tab plate??
  272. best price on stainless marine manifolds
  273. Crane Hydraulic Roller #169651
  274. 454 rebuild - ugrade help
  275. 29 fountian whats it worth
  276. #6 Drive Cable indication
  277. meth injection
  278. intake torque spec, and procedure
  279. Bravo to SSM IV converions trim issues
  280. How to seal through transom exhaust?
  281. 454 gen 5?
  282. Throttle Position Sensor Adjustment ?
  283. Ignition key alarm
  284. repairing imco hyd. steering hoses?
  285. how do i identify a HP500 cam?
  286. Merc aftermarket wiring harness
  287. Procharger Oil Plumbing
  288. Ignition Wiring
  289. Cylinder head upgrade
  290. throttles
  291. Cleaning Mercury Oil Cooler
  292. Engine driven air conditioning
  293. 502 MAG Cam Upgrades?
  294. Cylinder bore honing.
  295. bbc heads question
  296. AN hose sizes for cooling.
  297. Chris Craft to Formula
  298. 1st winter casuality? pickup leaking
  299. 502 with M1sc
  300. need to know
  301. What do you guys put in the gas tank to keep the fuel from gunking up?
  302. Gen V dipstick
  303. Performance Distributors
  304. Latham Drive Shower
  305. 502 mag mpi questions
  306. HP 500 Clone What water temp?
  307. cigarette topgun drive hight
  308. Sea strainers with blower motors
  309. 454 engine modifications
  310. #6 wet sump LH lower gears
  311. Please, I Need Help 454 Mag Identification
  312. Need and Engine Expert
  313. anyone make a mpi for use with a whipple charger
  314. Need Props cleaned
  315. Pros & Cons bunk slides or carpet .....
  316. what rpms should i run??? 540ci NA.....
  317. Smartcraft MercMonitor Questions
  318. Oil Cooler Lines?
  319. Hp500 clone with 3-4lbs non intercooled boost , want to keep it under 600hp?
  320. 502 EFI setup whats it worth ?
  321. CMI Repairs by Ken K?
  322. noobster
  323. Trim Tab Help
  324. Bottom Paint Removal
  325. "Tractor" style headers -
  326. Battery chargers
  327. Harmonic Balancers
  328. What fuel pump for a GenV
  329. 26 sonic vs 25 active thunder
  330. How much is my Whipple 496 ho worth??
  331. BOAT wont start
  332. hp500 gen 5 or gen 6 block
  333. Kenwood & Alpine Marine Audio
  334. revolution performance marine
  335. New Intercoolers for big power
  336. Exhaust
  337. tall deck vs. short deck exhaust holes in transom
  338. 525 EFI Valve Springs
  339. XR Damage
  340. Can you ID this exhaust and offer your opinion??
  341. Labor Cost on Changing Valve Springs
  342. MSD Box ?'s Anyone running a Digital-6???
  343. What is you RPM at WOT on a SBC?
  344. Question about Holley rebuild kits
  345. pad
  346. 200 amp alternator for 496??
  347. Whipple or Procharge
  348. 496 (stroked)
  349. Max CI for a 502 Dart Block
  350. Water Pressure Relief Needed?
  351. 496 Gm 8.1
  352. Flywheel for SBC and Mercruiser Alpha One Gen 2
  353. Couplers - how to distinguish Sierra from Merc ?
  354. Mercruiser won't idle
  355. Blower belt adjustment.
  356. weight difference 454 &540
  357. Bilge heaters
  358. whipple trade in/upgrade?
  359. recessed cleats
  360. Crane 13532-16 lifters in Gen 6 blocks
  361. Does anyone repair Gil pipes?
  362. Box anchor issue or not??
  363. bravo assemblies..HD? HP? Standard??
  364. Top Speed for a 22' Daytona, or DCB Mach or other Tunnel?
  365. Need new trim tab pumps!
  366. jl vs. alpine 7" speakers
  367. rebuilding msd distributors
  368. EdleBroc Perfomer 2
  369. silent choice
  370. Blower
  371. Ventilation tube on a bravo III
  372. 502 valve springs
  373. 502's or 540's
  374. 454(330hp) 049 heads w/ bigger valves...clearance issues?
  375. Gaffrig Gauge Repairs
  376. ATI balancer
  377. Short block assembly questions...
  378. audio experts please help
  379. Which jackplate for 30 Spectre?
  380. 27PC Water Tank
  381. ? 454 ??Year? MOdel?
  382. To finish jetting or not????
  383. how much mechanical advance are you guys running??
  384. 525efi water temp and pressure
  385. Split Tube Dry Tails Help!
  386. cutler EFI operation manual
  387. CMI e top headers
  388. 540 Bbc
  389. installing e-tops
  390. 525 headers
  391. knocking noise
  392. Two Stage pump plumbling ?'s
  393. 502 head gaskets
  394. looking for westerbeke generator parts???
  395. Blocked Steam Hole?????
  396. Drive height questions with pictures
  397. Need to know the diff/??
  398. Extension Box and Shortie on a 26 Scarab???
  399. fram fuel filter for 525
  400. Exhuasting
  401. 525 headers and exhaust
  402. Bravo X1 Drive Erratic Trim Operation
  403. top end or complete rebuild, Analise oil?
  404. Pictures
  405. Holley help
  406. Can i use after market INJECTORS on 96 7.4 mpi efi motor
  407. Iron or moly rings?
  408. Installing Stainless Steel Rubrail
  409. fuel lines-what to use?? legal?
  410. Anyone have Keith Eickert cast headers?
  411. Merc 600SCi, Noise reduction
  412. What carbs to buy
  413. Sea Pump?
  414. Merctrans
  415. Ladder For Sunsation Aggresor
  416. New Motor, Low comp on #4, now its back up
  417. TBI on a 250
  418. Up Trim Not Working from throttle control
  419. Sterling motors
  420. Driveway Material
  421. Header welding in Michigan?
  422. Flywheel help
  423. 454 to Gen VI 502 swap What's involved?
  424. New carb
  425. HP500 carb upgrade
  426. siesta keys fl
  427. B&M 250 SBC intake
  428. 188 heads on gen IV block
  429. Imco Powerflows
  430. swapping pullys from MR 600 and 700
  431. 500efi -- Where are the block drains?
  432. evinrude 300hp Help please
  433. Exhaust Tips
  434. degreeing stock 502 cam
  435. Oil/power Steering Cooler
  436. Water to an intercooler
  437. Drillin holes in a thermostat
  438. Copper in the Oil Analysis
  439. converting to gps speedo
  440. Imco Shorty
  441. FelPro Gaskets
  442. On board battery chargers/generators..??
  443. Dyno Recommendations
  444. fuel pressure
  445. 2001 mercruiser 454 mpi overfueling
  446. 454 identification...std or Mag?
  447. WTB a bad 088 head
  448. Help! Need 4 exhaust/tailpipe gaskets for my 575sci's
  449. Manifold Qustion
  450. Leakdown test (#8 Cyl)
  451. Mercury Racing blue motors: 500EFI, 525 EFI, 575 SCI. Pros/cons/maintenance/etc.
  452. intake manifold, weird looking casting???
  453. buying a tunnel I/O
  454. Cam change on my 96 502
  455. Gas Tank Repair Options
  456. I am stumped
  457. Blower Head Gaskets
  458. MPI w/ a procharger
  459. Failing OEM 088 Exhaust Valve
  460. Engine break up
  461. Stainless Marine vs Headers
  462. winterizing with a Alpha drive
  463. New boat with 500efi and Procharger. ? on this set up!
  464. exhaust manifolds have weird "burn" pattern in them?
  465. Gas smell in blower oil
  466. Anybody in the Chicago area ?
  467. Water pump removed question.
  468. trim pump hose
  469. Hey, lets get your opinion on which tip would look best?
  470. Buying a boat, what engine test should be done?
  471. 1992 330 hp 454 w/supercharger
  472. Engine temps with cooler weather?
  473. I'll ask again(PLEASE HELP!)......
  474. imco hyd. steering hoses?
  475. exhaust tips and flappers
  476. whistle at about 3500
  477. wipple side mount 500efi
  478. Need to add some heat in my enignes???
  479. Part Number Help????
  480. What thread does this have??
  481. Drain plug -MkV 704 L - help
  482. HP500/Gil Offshore/Reversion
  483. Ilmor 650 vs 725
  484. Exhaust Headers / 525 Mercury Racing Engines
  485. Ground and Battery charger
  486. vortec charger
  487. Blower Belt Jump
  488. Spark Plugs - Does extra clean = lean?
  489. How hard do you normaly run your engine
  490. Build opinions....be gentle with me.....
  491. Plate Oil Coolers
  492. Python wiring diagram
  493. Bilge/Engine Heater
  494. Rich Zul engines, tell me all about them
  495. Ford to bravo
  496. what kind of Headers, cam, carb and intake ?
  497. Sudden loss of power - 496 Mercruiser 375 hp with Bravo 3 question
  498. 502 MPI Coolant Leak Mystery??
  499. Non-Toxic antifreeze says "not recommended for boats"..?
  500. Mid cabin ?