View Full Version : General Q & A




  1. Steering helm going out...replace or go hydraulic?
  2. 502 MPI vs 502 EFI
  3. trim on throttle question
  4. internal flappers
  5. Log Stlye Manifolds - 3 Inch
  6. belt size for 525SC
  7. 572 hp/tq
  8. Whats the reason for a remote oil filter???
  9. 604 CI Build sheet
  10. 700HP Blower vs. NA
  11. Which heads will work?
  12. 500EFI Cam Specs
  13. Dyno-Flo 572 shortblock
  14. blower carb on a blowershop 250
  15. qustion on latham/hydro steering wingplate
  16. Which risers ?
  17. Rex Marine Drive Showers...Any Good?
  18. Engine mounts???
  19. Considering K Planes on 255 Formula Liberator
  20. Broken whipple
  21. batterys
  22. donzi zr
  23. water dumps
  24. sea strainer question
  25. 525
  26. Baffled Fuel Tank
  27. BBC head question
  28. Sell or part out 1,100 HP Motors
  29. Oil thermostat, sandwich type?
  30. 454 Manifold sprung a leak
  31. trim switch
  32. 950hp Drive Suggestions??
  33. Drive suggestions!
  34. Mercury Carbon Fiber Reeds
  35. Building a 604CI Motor
  36. Newbie intro and question
  37. blower rebuild
  38. Crossovers ?
  39. Procharger Install/Owners manual
  40. Trim tab and outdrive fluid change
  41. the best flame arrestor
  42. Dart 8.1 Gen 7 Iron Heads
  43. Hard Coat Anodizing
  44. Mercruiser 165 Water Flow
  45. Has anyone ever tried solar panels to keep batteries topped off?
  46. The Mercathode Question...
  47. Brodix heads 3XX
  48. Freeze plugs
  49. Transmission support
  50. 454 winter upgrades-update
  51. fuel line size
  52. 1 battery, 2 motors
  53. Tach questions
  54. Dart Big M Block
  55. Best Blow Thru Carb Who
  56. Cmi headers
  57. Pro charger M3 on hp 500 EFI?
  58. single 454 to twin 454
  59. Blower carbs, single or dual and where from?
  60. OSO CMI Header Education
  61. IMCO Power Flow or CMI Sport Tube
  62. Which exhaust system?
  63. Wtb: Hyd steering for trs
  64. need a part number ....any help??
  65. Injectors
  66. Which props 21's or 23's
  67. 454 Gen VI, (L-29) EFI Build
  68. Classifieds Question
  69. Cheap 496 mag upgrades (375hp)
  70. Volvo DPX A lower unit
  71. need opinion on gauges-carbon or platnum?
  72. Drive Pumps on Trim Tabs
  73. BBC crossover - w or w/o T-stat???
  74. B-Max lower Bravo Upper?
  75. shaft rockers
  76. Best heads for Gen VI 540's???
  77. K-Plane Bushing Question
  78. Midnight Express
  79. 550 stroker gen question
  80. injector cleaning
  81. Single carb sideways mounting
  82. 540 piston rings, gapless or standard ?????
  83. 47ft fountain parts needed
  84. 468/496 stroker or 8.1 vortec
  85. Replacement injectors for 861260T (502MPI Whipple)
  86. Mcleod electric Bolsters
  87. Continuous Solenoid
  88. B&M Blower service and Holley carb refinish
  89. 330hp 454 Exhaust Barr/GLM vs Mercruiser
  90. Imco -2" Lower
  91. Water in fuel?
  92. Is it worth it?
  93. Holley TBI kit, vers pro charger?
  94. where to order OEM crank and rod bearings, '90 454 MAG?
  95. Motorhome Covers
  96. 525 efi intake O rings
  97. Replacment rings 502 JE pistons?
  98. B/W Velvet Drive trans leak from breather
  99. K-Plane Pump(s)
  100. Rods
  101. Patriot performance heads ?
  102. On for the cab gurus
  103. Shorty Sportmaster lowers
  104. 454 mag mpi rebuilds or pro chargers?
  105. Drive trim not equal??
  106. Red transom lights:
  107. GPS speedo stuck
  108. thinking of buying a merc 420/425
  109. Sand Treatment
  110. anybody have gasket part #'s for bottom end?
  111. LED light strips: any actually made in the USA?
  112. maching vortec heads
  113. Tuning help pls
  114. single ram to dual ram steering
  115. Pro Comp heads & Dana exhaust ?
  116. Northstar M84.....
  117. merry Xmass
  118. merry xmas to all
  119. Latham Filter
  120. Stock or Upgrades?
  121. stock audio equipment Formula Fasttech 382
  122. Carb help pls
  123. Lower Unit heights
  124. fitting to run trim indicator cable thru tab plate??
  125. best price on stainless marine manifolds
  126. Crane Hydraulic Roller #169651
  127. 454 rebuild - ugrade help
  128. 29 fountian whats it worth
  129. #6 Drive Cable indication
  130. meth injection
  131. intake torque spec, and procedure
  132. Bravo to SSM IV converions trim issues
  133. How to seal through transom exhaust?
  134. 454 gen 5?
  135. Throttle Position Sensor Adjustment ?
  136. Ignition key alarm
  137. repairing imco hyd. steering hoses?
  138. how do i identify a HP500 cam?
  139. Merc aftermarket wiring harness
  140. Procharger Oil Plumbing
  141. Ignition Wiring
  142. Cylinder head upgrade
  143. throttles
  144. Cleaning Mercury Oil Cooler
  145. Engine driven air conditioning
  146. 502 MAG Cam Upgrades?
  147. Cylinder bore honing.
  148. bbc heads question
  149. AN hose sizes for cooling.
  150. Chris Craft to Formula
  151. 1st winter casuality? pickup leaking
  152. 502 with M1sc
  153. need to know
  154. What do you guys put in the gas tank to keep the fuel from gunking up?
  155. Gen V dipstick
  156. Performance Distributors
  157. Latham Drive Shower
  158. 502 mag mpi questions
  159. HP 500 Clone What water temp?
  160. cigarette topgun drive hight
  161. Sea strainers with blower motors
  162. 454 engine modifications
  163. #6 wet sump LH lower gears
  164. Please, I Need Help 454 Mag Identification
  165. Need and Engine Expert
  166. anyone make a mpi for use with a whipple charger
  167. Need Props cleaned
  168. Pros & Cons bunk slides or carpet .....
  169. what rpms should i run??? 540ci NA.....
  170. Smartcraft MercMonitor Questions
  171. Oil Cooler Lines?
  172. Hp500 clone with 3-4lbs non intercooled boost , want to keep it under 600hp?
  173. 502 EFI setup whats it worth ?
  174. CMI Repairs by Ken K?
  175. noobster
  176. Trim Tab Help
  177. Bottom Paint Removal
  178. "Tractor" style headers -
  179. Battery chargers
  180. Harmonic Balancers
  181. What fuel pump for a GenV
  182. 26 sonic vs 25 active thunder
  183. How much is my Whipple 496 ho worth??
  184. BOAT wont start
  185. hp500 gen 5 or gen 6 block
  186. Kenwood & Alpine Marine Audio
  187. revolution performance marine
  188. New Intercoolers for big power
  189. Exhaust
  190. tall deck vs. short deck exhaust holes in transom
  191. 525 EFI Valve Springs
  192. XR Damage
  193. Can you ID this exhaust and offer your opinion??
  194. Labor Cost on Changing Valve Springs
  195. MSD Box ?'s Anyone running a Digital-6???
  196. What is you RPM at WOT on a SBC?
  197. Question about Holley rebuild kits
  198. pad
  199. 200 amp alternator for 496??
  200. Whipple or Procharge
  201. 496 (stroked)
  202. Max CI for a 502 Dart Block
  203. Water Pressure Relief Needed?
  204. 496 Gm 8.1
  205. Flywheel for SBC and Mercruiser Alpha One Gen 2
  206. Couplers - how to distinguish Sierra from Merc ?
  207. Mercruiser won't idle
  208. Blower belt adjustment.
  209. weight difference 454 &540
  210. Bilge heaters
  211. whipple trade in/upgrade?
  212. recessed cleats
  213. Crane 13532-16 lifters in Gen 6 blocks
  214. Does anyone repair Gil pipes?
  215. Box anchor issue or not??
  216. bravo assemblies..HD? HP? Standard??
  217. Top Speed for a 22' Daytona, or DCB Mach or other Tunnel?
  218. Need new trim tab pumps!
  219. jl vs. alpine 7" speakers
  220. rebuilding msd distributors
  221. EdleBroc Perfomer 2
  222. silent choice
  223. Blower
  224. Ventilation tube on a bravo III
  225. 502 valve springs
  226. 502's or 540's
  227. 454(330hp) 049 heads w/ bigger valves...clearance issues?
  228. Gaffrig Gauge Repairs
  229. ATI balancer
  230. Short block assembly questions...
  231. audio experts please help
  232. Which jackplate for 30 Spectre?
  233. 27PC Water Tank
  234. ? 454 ??Year? MOdel?
  235. To finish jetting or not????
  236. how much mechanical advance are you guys running??
  237. 525efi water temp and pressure
  238. Split Tube Dry Tails Help!
  239. cutler EFI operation manual
  240. CMI e top headers
  241. 540 Bbc
  242. installing e-tops
  243. 525 headers
  244. knocking noise
  245. Two Stage pump plumbling ?'s
  246. 502 head gaskets
  247. looking for westerbeke generator parts???
  248. Blocked Steam Hole?????
  249. Drive height questions with pictures
  250. Need to know the diff/??
  251. Extension Box and Shortie on a 26 Scarab???
  252. fram fuel filter for 525
  253. Exhuasting
  254. 525 headers and exhaust
  255. Bravo X1 Drive Erratic Trim Operation
  256. top end or complete rebuild, Analise oil?
  257. Pictures
  258. Holley help
  259. Can i use after market INJECTORS on 96 7.4 mpi efi motor
  260. Iron or moly rings?
  261. Installing Stainless Steel Rubrail
  262. fuel lines-what to use?? legal?
  263. Anyone have Keith Eickert cast headers?
  264. Merc 600SCi, Noise reduction
  265. What carbs to buy
  266. Sea Pump?
  267. Merctrans
  268. Ladder For Sunsation Aggresor
  269. New Motor, Low comp on #4, now its back up
  270. TBI on a 250
  271. Up Trim Not Working from throttle control
  272. Sterling motors
  273. Driveway Material
  274. Header welding in Michigan?
  275. Flywheel help
  276. 454 to Gen VI 502 swap What's involved?
  277. New carb
  278. HP500 carb upgrade
  279. siesta keys fl
  280. B&M 250 SBC intake
  281. 188 heads on gen IV block
  282. Imco Powerflows
  283. swapping pullys from MR 600 and 700
  284. 500efi -- Where are the block drains?
  285. evinrude 300hp Help please
  286. Exhaust Tips
  287. degreeing stock 502 cam
  288. Oil/power Steering Cooler
  289. Water to an intercooler
  290. Drillin holes in a thermostat
  291. Copper in the Oil Analysis
  292. converting to gps speedo
  293. Imco Shorty
  294. FelPro Gaskets
  295. On board battery chargers/generators..??
  296. Dyno Recommendations
  297. fuel pressure
  298. 2001 mercruiser 454 mpi overfueling
  299. 454 identification...std or Mag?
  300. WTB a bad 088 head
  301. Help! Need 4 exhaust/tailpipe gaskets for my 575sci's
  302. Manifold Qustion
  303. Leakdown test (#8 Cyl)
  304. Mercury Racing blue motors: 500EFI, 525 EFI, 575 SCI. Pros/cons/maintenance/etc.
  305. intake manifold, weird looking casting???
  306. buying a tunnel I/O
  307. Cam change on my 96 502
  308. Gas Tank Repair Options
  309. I am stumped
  310. Blower Head Gaskets
  311. MPI w/ a procharger
  312. Failing OEM 088 Exhaust Valve
  313. Engine break up
  314. Stainless Marine vs Headers
  315. winterizing with a Alpha drive
  316. New boat with 500efi and Procharger. ? on this set up!
  317. exhaust manifolds have weird "burn" pattern in them?
  318. Gas smell in blower oil
  319. Anybody in the Chicago area ?
  320. Water pump removed question.
  321. trim pump hose
  322. Hey, lets get your opinion on which tip would look best?
  323. Buying a boat, what engine test should be done?
  324. 1992 330 hp 454 w/supercharger
  325. Engine temps with cooler weather?
  326. I'll ask again(PLEASE HELP!)......
  327. imco hyd. steering hoses?
  328. exhaust tips and flappers
  329. whistle at about 3500
  330. wipple side mount 500efi
  331. Need to add some heat in my enignes???
  332. Part Number Help????
  333. What thread does this have??
  334. Drain plug -MkV 704 L - help
  335. HP500/Gil Offshore/Reversion
  336. Ilmor 650 vs 725
  337. Exhaust Headers / 525 Mercury Racing Engines
  338. Ground and Battery charger
  339. vortec charger
  340. Blower Belt Jump
  341. Spark Plugs - Does extra clean = lean?
  342. How hard do you normaly run your engine
  343. Build opinions....be gentle with me.....
  344. Plate Oil Coolers
  345. Python wiring diagram
  346. Bilge/Engine Heater
  347. Rich Zul engines, tell me all about them
  348. Ford to bravo
  349. what kind of Headers, cam, carb and intake ?
  350. Sudden loss of power - 496 Mercruiser 375 hp with Bravo 3 question
  351. 502 MPI Coolant Leak Mystery??
  352. Non-Toxic antifreeze says "not recommended for boats"..?
  353. Mid cabin ?
  354. DART Pro 1 Head ?????
  355. Shorty Drives, how do you know what height for max speed??
  356. Mobil 1 Oil 15 - 40 wt
  357. 525 EFI Headers
  358. Howards Cams Lifters?
  359. 502 upgrade, anyone got a good setup?
  360. Rebuild Gen IV 502 or reman Gen VI 502
  361. 502 mag whistle
  362. Merc fuel pump replacement
  363. Carrie Covers
  364. Shurhold polisher
  365. Engine tick/knock? Please help!!!
  366. head gasket
  367. Balancing pistons? How much is too much?
  368. Formula 223 couch
  369. duo prop wont go in gear
  370. HP Gains VS. RPM gains
  371. 525 data download
  372. 496 pump flush
  373. Formula 242 bolster question
  374. In line engines
  375. Optimum Static Compression Ratio-HP 500/Pro 1
  376. Weiand 177 Height
  377. 502 Mag Rebuild or New 502 ???
  378. Mobil1 5w-30
  379. Best way to go... 575 to 650 HP?
  380. Stock 502 Oil Cooler/line question
  381. Question???
  382. Powder, paint, anodize or billet?
  383. Mercruiser 6.2 320hp or Scorpion 6.2 340hp??
  384. 496 EFI to carb
  385. 502 mpi cfm rating
  386. Winterizing with a XR Drive
  387. EFI fuel problem
  388. HP 500 PVC & Lifter Valley Pan
  389. 7.4 Mercruiser To Much Fuel Rail Pressure
  390. Stock horse power of 454 and 502 mags???
  391. Wanted Bracket For Remote Oil Thermo Filter
  392. Vinyl repair
  393. Gibson silencers... reversion?
  394. Fogging a fuel injected engine 350 Mag MPI
  395. 575sci reliability?
  396. ANYONE HAVE A HYDROMOTIVE 4 BALDE 24p RH PROP TO SELL
  397. harmonics/ offshore plate/ oil cooler
  398. Making a Dry Exhaust System
  399. Why is my distirbutor buzzing
  400. 500hp efi/whipple
  401. XR Decals and Dip stick
  402. Help me pick out the best deep cycle battery
  403. 42 twin step Fountain hook
  404. intercooler water pickups
  405. Hose Part Number
  406. O2 Sensor spacer plates???
  407. Leak from around TRS housing into boat.
  408. 500hp Valve Spring/Crane PN?
  409. Excessive Fuel Pressure
  410. 496ho headers
  411. 350 Mag MPI upgrade
  412. intakes
  413. Thoughts on Tunnel Ram?? Input?
  414. switching to new style thermostat
  415. Manifold pressur
  416. 454 Mag MPI with Low Oil PSI
  417. Scarab III running 3000 rpm max?
  418. Is a 1995 7.4L Mag a hyd roller or flatt tappet?
  419. How Do I Contact Stellings????
  420. For you engine builders
  421. steering wheel
  422. Engine accessories
  423. Bravo / 454 water feed
  424. lookin for ss thermostat housing
  425. Rocker Adjustment?
  426. Whats The Difference
  427. EPA approves 15% Ethanol
  428. Intercooler Plumbing
  429. 502 MPI Q - Sensors
  430. Missing outdrive
  431. regular air filter instead of flame arrestors?
  432. 509 made it to the dyno, concerned w/flame arrestor
  433. 496 Ho Problems Again
  434. Stellings power
  435. trim cylinder hydrolic line
  436. Aluminum Blocks?
  437. what would this checkmate be worth
  438. cam/exhaust.reversion
  439. What engine is this?!?
  440. all you 496 guy,s
  441. Eliminator 28 daytona..what prop size?
  442. Gimbal replacement, XR, HP or IMCO?
  443. Going to the DYNO
  444. looking for a littel more power
  445. DIstributor gears
  446. Rough costs of an Imco full hyd kit installed?
  447. Starters from JEGS or Summit
  448. Rubber gaskets for through hull exhaust
  449. sbc race engine mount
  450. What is the Stock Oil cooler size on a Gen 5 502 MPI?
  451. Honest boat mechanic near Wichita Fall Tx.
  452. Q-Jet question
  453. 454 Mag MPI Rebuild - HP estimates?
  454. 500 Hp Cam Wanted
  455. shifting problem update! FIXED!
  456. water pressure
  457. 454 mag oil amount
  458. Merc Magnums won't rev past 3500
  459. Fitch Fuel Catalysts ,anyone use there products?
  460. OIL pans
  461. 496 starter
  462. fuel pessure at wot?
  463. Best big motor starter?
  464. Best Carb intake
  465. 525 Intake Sensor
  466. 98 502 cam card spec
  467. Downturn Pipes
  468. Mercrusier 454/330
  469. Thermostat Housing
  470. Repower project questions
  471. 454 (330hp) winter upgrades
  472. cummins 5.9 diesel
  473. trim tabs
  474. external steering hose
  475. Steering broke, though me out @ 80 MPH, gimbal broke or did I hit??
  476. Winterization.... some questions....
  477. Need Mach prop thrust washer for Bravo
  478. looking at a boat that needs rigging
  479. 5-Bladed Prop?
  480. marine surveyer
  481. Good Speed Sensor - Pulse Style
  482. Marine Machine still make this cylinder?
  483. 496 mag HOs,run better with mufflers?
  484. Question about ignition module
  485. 50 Amp Engine Circuit Breaker
  486. whats next
  487. H.P. of an EFI500
  488. Tail Pipe internal flapper identification needed
  489. 502MPI side mount Whipple manual
  490. Anyone have a contact # for Ed Cozzi in Fla??
  491. 454 Magnum, Cam, Intake, Carb.
  492. need advice...
  493. winterize or bilge heater
  494. Hard Starting Problem
  495. Bravo1 prop, what pitch really?
  496. Quest For More Mph
  497. Shore power and winterization
  498. Gimble Bearning for Bravo
  499. 496ho oil pressure dropped
  500. Building 598 CI Supercharge what holley carburetor? 1150 dominator or 1050 holley