View Full Version : General Q & A




  1. What are my cam specs?
  2. Another Reversion issue with Gil Risers
  3. Convert 496 H.O. Mercruiser to MAG
  4. 500EFI starts to fall flat after 2500rpm -Anybody?
  5. Oil change with oil cooler under motor
  6. $200 Mechanical survey saved me 15k!
  7. 496 fuel injector problem
  8. shift cable end
  9. Help with Corsa Exhausf Baffles!
  10. New hydraulic steering install hooking up rams
  11. Bleeding hydraulic steering
  12. 383 Small block with EMI Thunder and +3" stainless risers, Cooling water flow
  13. New Hydraulic Steering Install - No Pressure and Other Rigging Questions
  14. 525EFI question
  15. Hydraulic steering return line
  16. First time poster with possible spun hub
  17. What are these?
  18. Filling Outdrive with Gear Oil using pressure?
  19. DUI Timing adjustment help..... and MSD parts interchangeable?
  20. A couple 575 sci questions
  21. Carb size
  22. is this a good cam/set up for my 454?
  23. Crane 741 in a 500 efi
  24. Camshaft
  25. engines guys chine in please
  26. Gaffrig GPS Speedometer
  27. Smart Guys - how about a 500HP budget recipe?
  28. 496 Mag Heat Exchanger
  29. Kodiak big block exhaust manifolds any good?
  30. Hydraulic steering set up..
  31. IMCO Fuel Valve/Tank Selector Problems
  32. exhaust elbow tube extensions - slash cut questions
  33. Will this boat have water reversion issues?
  34. Best source for SS Rub Rail?
  35. Performance distributors Ignition timing
  36. zero effort control parts
  37. Holley EFI - global file for 598
  38. Newbie needs advice on which boat
  39. 575sci refresh
  40. Holley EFI in a boat - Doesn't Repeat
  41. 88 Baja stalls at high rpm
  42. 454 Magnum cooling issue
  43. Stbrd Motor will not crank over!
  44. some 4150/4500 dyno info
  45. would you notice 100 more ft.lb. torque
  46. Hydraulic steering Opinions and advice
  47. 500 EFI limitations?
  48. Bravo U-Joints - Older Drive
  49. Water pressure bypass
  50. 496 issue - loss of power to fuel pump?
  51. TRS anodes
  52. BBC 555 dart vs rpm intake
  53. Question for MegaSquirt users
  54. Spark plug wires
  55. 496 ho intermittent stalling above idle
  56. Need help - What head gasket for Chevy 350 bored .40 over.
  57. Easy buddies on the drive - what grease
  58. Mercruiser Aluminum 496 manifolds with out water rail worth $450?
  59. Hatch Actuator Issue
  60. Thunderbolt IV ignition problem
  61. One riser hotter topic
  62. Leaking Gil Sea Strainers
  63. Is there any fairly easy upgrades I can do to a 454 efi 385hp magnum?
  64. Who makes cast iron oval port after market heads?
  65. Livorsi Trim Question: Goes down, trailer needed for up
  66. 500 efi rebuild?
  67. 2011 verado 300 help, vibration when in drive
  68. Pertronix ignitor III ignition opinions
  69. Best Price on sbc GLM aluminum manifolds and risers
  70. Refreshed and are now ready to install
  71. 496HO Fuel Filters
  72. 500EFI Dies after 30 seconds to 3 minutes
  73. Can Oil Pressure Gauge be used as Fuel pressure Gauge?
  74. Speaker boxes
  75. MEFI 1 350 issues
  76. kiekhaefer throttle rebuild.
  77. Cherokee Power Boats (26' "Dylan")- Anyone know anything?
  78. Hydraulic Steering Fittings
  79. Will 496 mag DTS-box work with ordinary wire gas-trottle?
  80. BBC - Blue Print Blocks
  81. What are people using for under platform swim ladders?
  82. 496 ho won't start
  83. Help, mercruiser wont rev
  84. whats the best way to trim both drives with one switch?
  85. Drive trim
  86. 1 1/4 ID hose
  87. msd?
  88. Replace two handle Gaffrig control with single handle?
  89. Boat sunk, salvage
  90. EFI question - non boating
  91. What engine needs 6,000,000cfm to operate?
  92. 0-35psi or 0-60psi water pressure gauge?
  93. Fresh Water Cooling plumbing with Stainless Marine Exhaust
  94. Where can I find odd ball SS studs?
  95. Where to mount water pressure sensor on 496?
  96. Oil pressure gauge not working
  97. amazing the things you catch when you surf craigslist too much
  98. Questions about coupler/motor mounts/alignment
  99. 95 454 EFI horsepower
  100. Gauge Pressure Style Help
  101. Superchiller water flow testing
  102. Can you rebuild a HP500 power steering pump
  103. Boat cover north jersey?
  104. 88 four winns liberator bogs under throttle
  105. Internal Flappers
  106. ISO rubber feet for Fountain bench seat
  107. 500 efi vapor lock
  108. Contemplating buying formula sr1 311 as first larger performance boat.
  109. Gil Question
  110. Anybody running a LS engine with cast manifolds- need to know engine width
  111. Mercury hour logging
  112. High performance piston rings
  113. X dimension and props
  114. Replacing Impeller - Just the impeller or entire assembly?
  115. 500EFI cam, what valve springs
  116. 35 Fountain with rotten transom.
  117. 500 EFI fuel pump - intermittent problem
  118. 500 EFI valve spring replacement
  119. Mounting an Aluminum Swim Platform
  120. Merc 496HO Fuel Pump GPH?
  121. Lift install
  122. Merctrans drain plug size
  123. Engine oil dipstick options
  124. How far? Exhaust from flapper!
  125. Where to buy parts in Atlanta GA???
  126. Motor Mount Options
  127. Lower shift cable tool 91-17262
  128. K plane hose end size question
  129. port a potty / pump out conversion?
  130. QV4C Valve Lash
  131. Difference in engine voltage while running
  132. 177 blower bearing.
  133. Backfire through carb
  134. 502 MPI-- no power to cool fuel pump!!
  135. AFR Gauge question
  136. Any generac techs here ?
  137. J- bolt clamp
  138. Irridium plugs for a 502 MPI motor???????
  139. Rocker roller coversion for 502 - push rod length? - need valve train expert
  140. Need $10k in mercury parts- looking for best deal
  141. Vorec 350 rings
  142. Jetting help
  143. Valve springs, valves and push rods
  144. Fighting Reversion - We've been doing it all wrong
  145. Steel or AL flywheel, and HP coupler
  146. Stainless Marine/ Wet to Dry conversion
  147. Cross over with low temp has t stat and bypass
  148. Thunderbolt IV Problem
  149. round port or square
  150. FiTECH Fuel Injection Systems
  151. Old school throttles. HELP Please
  152. 548 compression ratio ?
  153. Engine surges when warm
  154. T-stat/ thermostat housing bypass
  155. Prop help, please
  156. Tach problems
  157. Another reversion thread.
  158. 454 mag mpi timing
  159. black smoke and dies when the secondaries open
  160. Anyone from Lake Texoma?
  161. 4150 to 4500 adapter
  162. replacing cap and rotor - ignition module ?
  163. Delco Voyager for 454 with a B&M 250?
  164. Drive shower length and cavitation.
  165. gen 6 head gasket
  166. Jabsco Pump Parts?
  167. Procharged 555 dyno results...
  168. engine gurus little help please
  169. Kiekahaefer aeromarine controls
  170. Disturbing findings flowing and testing injectors
  171. Senders
  172. Question on cams
  173. Pioneer head unit
  174. mercuiser 383 stroker header assembly any one used them?
  175. Anodes. What material do I need for freshwater ??
  176. Need 525SC clone advise
  177. 500 Bulldog rev limiter
  178. Exhaust manifolds & risers
  179. What's the original application for this filtet mount/ thermostat?
  180. Help!!!!! 280 Silencer
  181. Prop size for a 1988 baja sport 226
  182. E85 With Flex Fuel Sensor Who Is Running It?
  183. Analog Test Tach Connection On 525EFI?
  184. PCM555 ECU memory error message
  185. 1989 SeaRay Pachanga
  186. 454 compression test question
  187. 572 e85 and tbs 250 blowers
  188. Primary header tube size ?
  189. Cmi etop clearance amount???
  190. What oil you guys runnin in your blowers enines
  191. Total Weight
  192. bigger oil filter for 6.2l Merc engines
  193. Nose Cone/B1 vs Hydromotive!!??
  194. What does a 2003 6.2 Mefi Computer log?
  195. kaama boots
  196. #6 Service/Rebuild Manual
  197. Vortech V4 Supercharger set-up on a GenXI 502
  198. Help: issue with GIL manifolds hitting back of Alt - Gen 4 454
  199. 29' fountain what prop to run?
  200. How much horsepower do I have??
  201. contradicting engine specs on spark arrestors
  202. 22 scarab help
  203. Piston Selection Help! Gen VI 454
  204. Is garden hose water flow enough?
  205. Bypass in oil filter.
  206. Gas ported Pistons
  207. Excessive steam from starboard side exhaust.
  208. Mercruiser 454 riser gasket question
  209. Keep Blowing Ignition Circuit Breaker/Fuse
  210. Ilmor MV8 570
  211. Daytona crashbox change out
  212. Intake Runner volumes
  213. Problems
  214. Cmi tail issue?
  215. Where to buy gen 6 7.4L long block
  216. Kiekhafer kplane cable ends
  217. Rod bearings after 9 years
  218. TRS Gimbal Ring Question
  219. K1 tech vs molnar
  220. Mounting external steering cylinders
  221. Window Hatch 2006 Baja 35 Outlaw
  222. ITS steering cyl leak
  223. Vertglas
  224. Anybody doing remanufactured big blocks (specifically 454 Mag efi)?
  225. Bbc starter and alternater wires
  226. Merctrans shift linkage and selonoid???
  227. Water pressure too high
  228. Running "warm"
  229. What can I use?
  230. TRS - Merctrans mount bolt size?
  231. Steering wheel adapter
  232. Teagues take on 650hp
  233. Stained white gel coat
  234. Stud Girdle
  235. Merc 496 Throttle Body Cleaning
  236. Caterpillar Engine Tech
  237. 525sc carb rebuild anybody got a part number ??
  238. 350 MAG MPI swap to 383 Stroker Help
  239. cam gear oiling
  240. F.A.S.T. "Classic" grey box settings...
  241. Help cam timing chain cover- 5.7 350 mercruiser chev
  242. Spark plugs for Dart 308s
  243. will siemans deka short style injector fit mpi 502?
  244. 2nd Gen OMC King to Bravo Swap, WHEN???
  245. Rebuilding a MSD Marine Distributor to use as a Cam Position Sensor.
  246. 525EFI difference in oil pumps
  247. New to me blowers... Trying to guess hp
  248. IMCO extension box hydraulic steering question
  249. BBC side by side spacing?
  250. Put in O2 bungs, but exhaust too wet for the sensors?
  251. Buying a boat and need some advice!
  252. Looking for some opinions on my 454 rebuild & cam that was used.
  253. Power steering unit allows input cable movment.
  254. Ignition Alarm
  255. Map sensor 502 Mag MPI
  256. low boost roots supercharger on 10.25-1 ls5 bbc?
  257. What's my 29 Baja Outlaw worth?
  258. Merc K Plane plastic sleeve around the hinge pin
  259. 1998 7.4 MPI Stalls While Running on Step
  260. RPM to prop for vs dyno chart.
  261. msd 6 off road box on marine motors
  262. power steering issue?
  263. Rant on Dealer and much needed tranny help
  264. Warning alarm help
  265. Micro trim switch??
  266. what years were Gen 1 and 2 EFI's made
  267. Steering slop but not to gimble or pin
  268. 632ci Build Specs
  269. Fuel injector cleaning, I did
  270. Sunsation Dominator hatch actuator
  271. JL Audio any dealers on here ??
  272. Flywheel runout - Do I need to check this?
  273. 525 Headers, NON CMI?
  274. Marine Machine Hydraulic Steering
  275. 9.8 deck 598?
  276. K&n filter 502mpi 1996
  277. Drilling straight holes
  278. Hyd steering filter
  279. 7.4l MPI not reaching full power (MEFI 3 MCM)
  280. 575 Fuel injection solution
  281. What are these amps
  282. 350 N/A Recipes
  283. Fuel Lines?
  284. Galvanic corrosion of aluminum cylinder heads.
  285. installing prop on #6 drive
  286. Headers vs. SM manifold/long riser
  287. what is "the rail system" engine mounts
  288. Another condenstion/ reversion problem
  289. Baja 302 Bilge Pump Replacement
  290. EFI airflow..
  291. Dry Exhaust Question
  292. Port fuel guage pegs full
  293. Bravo shift cable uncoupled
  294. Lifters
  295. Who to go to for new steering hoses?
  296. Batteries
  297. Switching fuel injected for more hp stupid move?
  298. Dominator preference
  299. Spark plugs
  300. Engine Quest Head work results
  301. 31' Scarab Excel, props in or out?
  302. 1988 320 EFI injectors?
  303. Camshaft Selection/Engine Setup
  304. Backup ignition wiring?
  305. Where can I find neutral micro switch?
  306. 502 MAG Idle Problem
  307. Prop Hardware
  308. No beep when trying to start ??? Won't start
  309. whats everyone doing for depth finder?
  310. Plug wires.
  311. Diacom software, PCM-555, whipple stage 1 tune
  312. Piston/Ring Part Number
  313. Engine won't shut off!
  314. Bravo 1 shifts hard into reverse?
  315. Baker / CV / Hardin marine fuel pump ?
  316. Need to lower by 2 decibels ?????
  317. Lenco Dual Ram High Performance tabs, all comments eagerly read
  318. Cam Specs and reversion
  319. Spring maintenance
  320. Aluminum swim platform design
  321. Drilling holes in transom
  322. Dist cap question
  323. Higher octane fuel in our future?
  324. looking for these, Anyone Know where?
  325. AeroTek Marine--- I know... I am sorry
  326. cam ID
  327. Garmin GFS 10 restriction?
  328. Trim Switch Diagram
  329. Supercharged v NA
  330. desk top dyno 5
  331. Pushrod Suggestions
  332. 29' fountain carpet
  333. flywheel and balancer?
  334. K&E 2 pc valve covers leaking all the time
  335. Stellings headers. Orange vs green
  336. Imco Powerflow
  337. Aeromotive Fuel Regulator
  338. Head & cam upgrade for 454mag MPI
  339. 377 Scorpions
  340. Valve cover breathers Push in/Stack type???
  341. Prop slip
  342. RPM Rev Limiter?
  343. Engines get excited and idle high
  344. Folding cleats
  345. Where to buy 350 shortblock?
  346. 525 header Y pipe reduction
  347. mercruiser 502
  348. Power Steering Fittings/Hose Question
  349. 489 build critique
  350. Trim Ram drift while outdrive is removed
  351. Running Surface Mushroom Thru-hull.
  352. Cost to paint hull sides
  353. Gil exhaust cracking location
  354. Reliability and how you define it
  355. What about iridium plugs in a 502 Mag MPI ?????????
  356. Self cleaning parts warsher Made by SYSTEMS ONE
  357. Setup for both in the boat and on the dyno.
  358. Help! Need a new horn
  359. HaxbySpeed
  360. What exactly is the helm unit (with ext steering)
  361. Need advise and Propellers for Arneson ASD 8 25 spline
  362. are these made any more?
  363. 9.6 compression and boost
  364. Where can I get forum help
  365. Mercury universal engine mount system
  366. 496 mag engine coupler
  367. eagle rotating assembly
  368. air diverter ram leaking air
  369. IMCO or Sportmaster on Straight V
  370. Trs drive pump question
  371. Problem with new BDS 871 blower rotor issue
  372. oil leak Blues
  373. Hyd streeing inside hose
  374. Isotta Carlotta Steering Wheel
  375. Nose cone removal
  376. exhaust boor
  377. looking to rent condo or apartment in downtown chicago wrigly area
  378. milodon oil pan question
  379. What is a "Flat Plane" crankshaft?
  380. Off the shelf cam options for marine engines
  381. Cig on board charger
  382. Looking for some dark red marine carpeting
  383. EFI fuel injection intake manifold with front mounted throttle body.
  384. Interior lights
  385. Bravo 1 steering slop
  386. Starting in gear?
  387. 42 stagger conversion performance???? x dimension???
  388. VST or Aeromotive?
  389. whipple oil change
  390. Long road trip to FL tips needed
  391. 800sc
  392. Mayfair external steering kit
  393. Head Gasket P/N for 088 on Gen VI
  394. Switchable Tips
  395. 78 Python 24ft value?
  396. HP 500 rebuild cam question
  397. Drive Lube Reservoir Fitting at transom breakage
  398. 2004 350 MAG MPI cam, ecm upgrade?
  399. Taylor vs polyfoam
  400. Fuel Stabilizer + 93oct + Boostane = ?
  401. Hydraulic Steering Reservoir
  402. 525 sc valve cover gromets
  403. Does anybody run twin EFi engines with multiple fuel tanks?
  404. I need to paint a couple of aluminum pieces. What is the best spray paint? thanks
  405. used pro chargers in classifieds?
  406. Pyro's and O2 sensors
  407. If you ever cut open a PCV valve
  408. Verados and DTS
  409. Manifolds hit headbolts.
  410. Cockpit Communication Radios
  411. 950hp n/a twins...
  412. Exhaust riser adapter / spacer question
  413. which head gasket Mark IV - cast iron heads
  414. Question on GIL exhaust/turbulator
  415. Trim Tab re-install
  416. Cam selection
  417. modified 502mpi intake on 502 dyno session at my shop
  418. mpi and efi intakes?
  419. Head Gaskets
  420. Q
  421. HVAC question
  422. 1 inch longer head blots for darts
  423. Thru hull fitting for trim cables.
  424. wanted Diacom record file of stock Merc496ho idle to WOT
  425. Boat city prop??
  426. Iron VS Aluminum heads
  427. #3 drives on TRS BOAT IS IT WORTH IT???????????????
  428. Camshaft for Mercruiser Cyclone 440hp
  429. 454 mag piston dome cc's
  430. Gen v fuel pump
  431. GGB muffled exhaust tips?
  432. AN fitting size
  433. Builder used different cam than specified.
  434. K-Plane 280 plug
  435. Mercruiser 377 Blues
  436. Dart big m sportsman head gaskets
  437. 460 Commanders to a Bravo drive?
  438. Question on fuel lines/hoses - non coast guard approved
  439. TBS 871 to BDS 1471 questions?
  440. 1997 7.4 bbc
  441. Marine Lubrication Update Thread
  442. LeakProof
  443. imco extension box question
  444. Effects on cam advance/retard
  445. cutting runner length of 502mpiMag
  446. 6.2 mpi
  447. 42 Tiger adventure begins!
  448. Ge wiz. What am I going to do with all this lottery money. I'm going to win.
  449. why stainless steel rocker arms?
  450. Transom water pickup any advice ?
  451. Diesel offshore racing boat
  452. Input on which roller rockers - BBC
  453. 1990 Guest 2540A charger documentation
  454. 454 Build Help Please
  455. Outdrive repaint what putty can be used ?
  456. Solid roller lifters with bushing wheels whos running them in a high lift cam .750+
  457. Where to buy Transom HD Assemblies? A business is jerking me around!
  458. Mercury 700 SCI & Whipple Upgrades
  459. Merc engine start/control help
  460. SBC cam spec help!!??
  461. For the LS engine lovers
  462. Stock Oil system routing. 420, 450, 500, 525sc.
  463. Will the bi-directional circulating pumps work the same?????
  464. bolster seats
  465. Which carb adapter plate? Merc 454
  466. CFM on the 500 EFI Heads?
  467. average price on removing and reinstalling twin 502s?
  468. Impacts of hitting rev limiter?
  469. Spark Plug Recommendarions
  470. 525sc
  471. Distrance Between Transom and Stringer Mount Bravo
  472. 06 496 Mag exhaust, stock or not??
  473. Best 33c cable?
  474. 93 scarab sprint 18 with a 3.0 lx and alpha1 gen 2
  475. Scat stroker kit quality question
  476. 502 MAG EFI MEFI 3 wire harness
  477. Mercruiser 454 serial number info
  478. Exhaust systems
  479. 350 mag exhaust issue
  480. 525efi - mechanical fuel pump oil change
  481. Clean up engine wire harness
  482. Are Strykers any good??
  483. Change oil and takes longggg time to build pressure
  484. ehuast tips
  485. 2.25 valves too big for 454
  486. 500 efi ecu upgrades what did you gain?
  487. Boat detailer recommendations in North Dallas
  488. HP525 ECM Question
  489. Roller Cam Bearings?
  490. Looking For Advice On Hydraulic Steering!
  491. What's out there for big sea strainers?
  492. Bulldog cam problem
  493. building 375-400hp 383 stroker
  494. K-planes travel question ( angle )
  495. Gen VI oil valve question
  496. Drive height question/Prop Slippage
  497. Read this before posting in this section
  498. 496ho exhaust
  499. Soot on transom after fuel filter change
  500. Battery explodes! Why?