View Full Version : General Q & A




  1. Contemplating buying formula sr1 311 as first larger performance boat.
  2. Gil Question
  3. Anybody running a LS engine with cast manifolds- need to know engine width
  4. Mercury hour logging
  5. High performance piston rings
  6. X dimension and props
  7. Replacing Impeller - Just the impeller or entire assembly?
  8. 500EFI cam, what valve springs
  9. 35 Fountain with rotten transom.
  10. 500 EFI fuel pump - intermittent problem
  11. 500 EFI valve spring replacement
  12. Mounting an Aluminum Swim Platform
  13. Merc 496HO Fuel Pump GPH?
  14. Lift install
  15. Merctrans drain plug size
  16. Engine oil dipstick options
  17. How far? Exhaust from flapper!
  18. Where to buy parts in Atlanta GA???
  19. Motor Mount Options
  20. Lower shift cable tool 91-17262
  21. K plane hose end size question
  22. port a potty / pump out conversion?
  23. QV4C Valve Lash
  24. Difference in engine voltage while running
  25. 177 blower bearing.
  26. Backfire through carb
  27. 502 MPI-- no power to cool fuel pump!!
  28. AFR Gauge question
  29. Any generac techs here ?
  30. J- bolt clamp
  31. Irridium plugs for a 502 MPI motor???????
  32. Rocker roller coversion for 502 - push rod length? - need valve train expert
  33. Need $10k in mercury parts- looking for best deal
  34. Vorec 350 rings
  35. Jetting help
  36. Valve springs, valves and push rods
  37. Fighting Reversion - We've been doing it all wrong
  38. Steel or AL flywheel, and HP coupler
  39. Stainless Marine/ Wet to Dry conversion
  40. Cross over with low temp has t stat and bypass
  41. Thunderbolt IV Problem
  42. round port or square
  43. FiTECH Fuel Injection Systems
  44. Old school throttles. HELP Please
  45. 548 compression ratio ?
  46. Engine surges when warm
  47. T-stat/ thermostat housing bypass
  48. Prop help, please
  49. Tach problems
  50. Another reversion thread.
  51. 454 mag mpi timing
  52. black smoke and dies when the secondaries open
  53. Anyone from Lake Texoma?
  54. 4150 to 4500 adapter
  55. replacing cap and rotor - ignition module ?
  56. Delco Voyager for 454 with a B&M 250?
  57. Drive shower length and cavitation.
  58. gen 6 head gasket
  59. Jabsco Pump Parts?
  60. Procharged 555 dyno results...
  61. engine gurus little help please
  62. Kiekahaefer aeromarine controls
  63. Disturbing findings flowing and testing injectors
  64. Senders
  65. Question on cams
  66. Pioneer head unit
  67. mercuiser 383 stroker header assembly any one used them?
  68. Anodes. What material do I need for freshwater ??
  69. Need 525SC clone advise
  70. 500 Bulldog rev limiter
  71. Exhaust manifolds & risers
  72. What's the original application for this filtet mount/ thermostat?
  73. Help!!!!! 280 Silencer
  74. Prop size for a 1988 baja sport 226
  75. E85 With Flex Fuel Sensor Who Is Running It?
  76. Analog Test Tach Connection On 525EFI?
  77. PCM555 ECU memory error message
  78. 1989 SeaRay Pachanga
  79. 454 compression test question
  80. 572 e85 and tbs 250 blowers
  81. Primary header tube size ?
  82. Cmi etop clearance amount???
  83. What oil you guys runnin in your blowers enines
  84. Total Weight
  85. bigger oil filter for 6.2l Merc engines
  86. Nose Cone/B1 vs Hydromotive!!??
  87. What does a 2003 6.2 Mefi Computer log?
  88. kaama boots
  89. #6 Service/Rebuild Manual
  90. Vortech V4 Supercharger set-up on a GenXI 502
  91. Help: issue with GIL manifolds hitting back of Alt - Gen 4 454
  92. 29' fountain what prop to run?
  93. How much horsepower do I have??
  94. contradicting engine specs on spark arrestors
  95. 22 scarab help
  96. Piston Selection Help! Gen VI 454
  97. Is garden hose water flow enough?
  98. Bypass in oil filter.
  99. Gas ported Pistons
  100. Excessive steam from starboard side exhaust.
  101. Mercruiser 454 riser gasket question
  102. Keep Blowing Ignition Circuit Breaker/Fuse
  103. Ilmor MV8 570
  104. Daytona crashbox change out
  105. Intake Runner volumes
  106. Problems
  107. Cmi tail issue?
  108. Where to buy gen 6 7.4L long block
  109. Kiekhafer kplane cable ends
  110. Rod bearings after 9 years
  111. TRS Gimbal Ring Question
  112. K1 tech vs molnar
  113. Mounting external steering cylinders
  114. Window Hatch 2006 Baja 35 Outlaw
  115. ITS steering cyl leak
  116. Vertglas
  117. Anybody doing remanufactured big blocks (specifically 454 Mag efi)?
  118. Bbc starter and alternater wires
  119. Merctrans shift linkage and selonoid???
  120. Water pressure too high
  121. Running "warm"
  122. What can I use?
  123. TRS - Merctrans mount bolt size?
  124. Steering wheel adapter
  125. Teagues take on 650hp
  126. Stained white gel coat
  127. Stud Girdle
  128. Merc 496 Throttle Body Cleaning
  129. Caterpillar Engine Tech
  130. 525sc carb rebuild anybody got a part number ??
  131. 350 MAG MPI swap to 383 Stroker Help
  132. cam gear oiling
  133. F.A.S.T. "Classic" grey box settings...
  134. Help cam timing chain cover- 5.7 350 mercruiser chev
  135. Spark plugs for Dart 308s
  136. will siemans deka short style injector fit mpi 502?
  137. 2nd Gen OMC King to Bravo Swap, WHEN???
  138. Rebuilding a MSD Marine Distributor to use as a Cam Position Sensor.
  139. 525EFI difference in oil pumps
  140. New to me blowers... Trying to guess hp
  141. IMCO extension box hydraulic steering question
  142. BBC side by side spacing?
  143. Put in O2 bungs, but exhaust too wet for the sensors?
  144. Buying a boat and need some advice!
  145. Looking for some opinions on my 454 rebuild & cam that was used.
  146. Power steering unit allows input cable movment.
  147. Ignition Alarm
  148. Map sensor 502 Mag MPI
  149. low boost roots supercharger on 10.25-1 ls5 bbc?
  150. What's my 29 Baja Outlaw worth?
  151. Merc K Plane plastic sleeve around the hinge pin
  152. 1998 7.4 MPI Stalls While Running on Step
  153. RPM to prop for vs dyno chart.
  154. msd 6 off road box on marine motors
  155. power steering issue?
  156. Rant on Dealer and much needed tranny help
  157. Warning alarm help
  158. Micro trim switch??
  159. what years were Gen 1 and 2 EFI's made
  160. Steering slop but not to gimble or pin
  161. 632ci Build Specs
  162. Fuel injector cleaning, I did
  163. Sunsation Dominator hatch actuator
  164. JL Audio any dealers on here ??
  165. Flywheel runout - Do I need to check this?
  166. 525 Headers, NON CMI?
  167. Marine Machine Hydraulic Steering
  168. 9.8 deck 598?
  169. K&n filter 502mpi 1996
  170. Drilling straight holes
  171. Hyd steering filter
  172. 7.4l MPI not reaching full power (MEFI 3 MCM)
  173. 575 Fuel injection solution
  174. What are these amps
  175. 350 N/A Recipes
  176. Fuel Lines?
  177. Galvanic corrosion of aluminum cylinder heads.
  178. installing prop on #6 drive
  179. Headers vs. SM manifold/long riser
  180. what is "the rail system" engine mounts
  181. Another condenstion/ reversion problem
  182. Baja 302 Bilge Pump Replacement
  183. EFI airflow..
  184. Dry Exhaust Question
  185. Port fuel guage pegs full
  186. Bravo shift cable uncoupled
  187. Lifters
  188. Who to go to for new steering hoses?
  189. Batteries
  190. Switching fuel injected for more hp stupid move?
  191. Dominator preference
  192. Spark plugs
  193. Engine Quest Head work results
  194. 31' Scarab Excel, props in or out?
  195. 1988 320 EFI injectors?
  196. Camshaft Selection/Engine Setup
  197. Backup ignition wiring?
  198. Where can I find neutral micro switch?
  199. 502 MAG Idle Problem
  200. Prop Hardware
  201. No beep when trying to start ??? Won't start
  202. whats everyone doing for depth finder?
  203. Plug wires.
  204. Diacom software, PCM-555, whipple stage 1 tune
  205. Piston/Ring Part Number
  206. Engine won't shut off!
  207. Bravo 1 shifts hard into reverse?
  208. Baker / CV / Hardin marine fuel pump ?
  209. Need to lower by 2 decibels ?????
  210. Lenco Dual Ram High Performance tabs, all comments eagerly read
  211. Cam Specs and reversion
  212. Spring maintenance
  213. Aluminum swim platform design
  214. Drilling holes in transom
  215. Dist cap question
  216. Higher octane fuel in our future?
  217. looking for these, Anyone Know where?
  218. AeroTek Marine--- I know... I am sorry
  219. cam ID
  220. Garmin GFS 10 restriction?
  221. Trim Switch Diagram
  222. Supercharged v NA
  223. desk top dyno 5
  224. Pushrod Suggestions
  225. 29' fountain carpet
  226. flywheel and balancer?
  227. K&E 2 pc valve covers leaking all the time
  228. Stellings headers. Orange vs green
  229. Imco Powerflow
  230. Aeromotive Fuel Regulator
  231. Head & cam upgrade for 454mag MPI
  232. 377 Scorpions
  233. Valve cover breathers Push in/Stack type???
  234. Prop slip
  235. RPM Rev Limiter?
  236. Engines get excited and idle high
  237. Folding cleats
  238. Where to buy 350 shortblock?
  239. 525 header Y pipe reduction
  240. mercruiser 502
  241. Power Steering Fittings/Hose Question
  242. 489 build critique
  243. Trim Ram drift while outdrive is removed
  244. Running Surface Mushroom Thru-hull.
  245. Cost to paint hull sides
  246. Gil exhaust cracking location
  247. Reliability and how you define it
  248. What about iridium plugs in a 502 Mag MPI ?????????
  249. Self cleaning parts warsher Made by SYSTEMS ONE
  250. Setup for both in the boat and on the dyno.
  251. Help! Need a new horn
  252. HaxbySpeed
  253. What exactly is the helm unit (with ext steering)
  254. Need advise and Propellers for Arneson ASD 8 25 spline
  255. are these made any more?
  256. 9.6 compression and boost
  257. Where can I get forum help
  258. Mercury universal engine mount system
  259. 496 mag engine coupler
  260. eagle rotating assembly
  261. air diverter ram leaking air
  262. IMCO or Sportmaster on Straight V
  263. Trs drive pump question
  264. Problem with new BDS 871 blower rotor issue
  265. oil leak Blues
  266. Hyd streeing inside hose
  267. Isotta Carlotta Steering Wheel
  268. Nose cone removal
  269. exhaust boor
  270. looking to rent condo or apartment in downtown chicago wrigly area
  271. milodon oil pan question
  272. What is a "Flat Plane" crankshaft?
  273. Off the shelf cam options for marine engines
  274. Cig on board charger
  275. Looking for some dark red marine carpeting
  276. EFI fuel injection intake manifold with front mounted throttle body.
  277. Interior lights
  278. Bravo 1 steering slop
  279. Starting in gear?
  280. 42 stagger conversion performance???? x dimension???
  281. VST or Aeromotive?
  282. whipple oil change
  283. Long road trip to FL tips needed
  284. 800sc
  285. Mayfair external steering kit
  286. Head Gasket P/N for 088 on Gen VI
  287. Switchable Tips
  288. 78 Python 24ft value?
  289. HP 500 rebuild cam question
  290. Drive Lube Reservoir Fitting at transom breakage
  291. 2004 350 MAG MPI cam, ecm upgrade?
  292. Taylor vs polyfoam
  293. Fuel Stabilizer + 93oct + Boostane = ?
  294. Hydraulic Steering Reservoir
  295. 525 sc valve cover gromets
  296. Does anybody run twin EFi engines with multiple fuel tanks?
  297. I need to paint a couple of aluminum pieces. What is the best spray paint? thanks
  298. used pro chargers in classifieds?
  299. Pyro's and O2 sensors
  300. If you ever cut open a PCV valve
  301. Verados and DTS
  302. Manifolds hit headbolts.
  303. Cockpit Communication Radios
  304. 950hp n/a twins...
  305. Exhaust riser adapter / spacer question
  306. which head gasket Mark IV - cast iron heads
  307. Question on GIL exhaust/turbulator
  308. Trim Tab re-install
  309. Cam selection
  310. modified 502mpi intake on 502 dyno session at my shop
  311. mpi and efi intakes?
  312. Head Gaskets
  313. Q
  314. HVAC question
  315. 1 inch longer head blots for darts
  316. Thru hull fitting for trim cables.
  317. wanted Diacom record file of stock Merc496ho idle to WOT
  318. Boat city prop??
  319. Iron VS Aluminum heads
  320. #3 drives on TRS BOAT IS IT WORTH IT???????????????
  321. Camshaft for Mercruiser Cyclone 440hp
  322. 454 mag piston dome cc's
  323. Gen v fuel pump
  324. GGB muffled exhaust tips?
  325. AN fitting size
  326. Builder used different cam than specified.
  327. K-Plane 280 plug
  328. Mercruiser 377 Blues
  329. Dart big m sportsman head gaskets
  330. 460 Commanders to a Bravo drive?
  331. Question on fuel lines/hoses - non coast guard approved
  332. TBS 871 to BDS 1471 questions?
  333. 1997 7.4 bbc
  334. Marine Lubrication Update Thread
  335. LeakProof
  336. imco extension box question
  337. Effects on cam advance/retard
  338. cutting runner length of 502mpiMag
  339. 6.2 mpi
  340. 42 Tiger adventure begins!
  341. Ge wiz. What am I going to do with all this lottery money. I'm going to win.
  342. why stainless steel rocker arms?
  343. Transom water pickup any advice ?
  344. Diesel offshore racing boat
  345. Input on which roller rockers - BBC
  346. 1990 Guest 2540A charger documentation
  347. 454 Build Help Please
  348. Outdrive repaint what putty can be used ?
  349. Solid roller lifters with bushing wheels whos running them in a high lift cam .750+
  350. Where to buy Transom HD Assemblies? A business is jerking me around!
  351. Mercury 700 SCI & Whipple Upgrades
  352. Merc engine start/control help
  353. SBC cam spec help!!??
  354. For the LS engine lovers
  355. Stock Oil system routing. 420, 450, 500, 525sc.
  356. Will the bi-directional circulating pumps work the same?????
  357. bolster seats
  358. Which carb adapter plate? Merc 454
  359. CFM on the 500 EFI Heads?
  360. average price on removing and reinstalling twin 502s?
  361. Impacts of hitting rev limiter?
  362. Spark Plug Recommendarions
  363. 525sc
  364. Distrance Between Transom and Stringer Mount Bravo
  365. 06 496 Mag exhaust, stock or not??
  366. Best 33c cable?
  367. 93 scarab sprint 18 with a 3.0 lx and alpha1 gen 2
  368. Scat stroker kit quality question
  369. 502 MAG EFI MEFI 3 wire harness
  370. Mercruiser 454 serial number info
  371. Exhaust systems
  372. 350 mag exhaust issue
  373. 525efi - mechanical fuel pump oil change
  374. Clean up engine wire harness
  375. Are Strykers any good??
  376. Change oil and takes longggg time to build pressure
  377. ehuast tips
  378. 2.25 valves too big for 454
  379. 500 efi ecu upgrades what did you gain?
  380. Boat detailer recommendations in North Dallas
  381. HP525 ECM Question
  382. Roller Cam Bearings?
  383. Looking For Advice On Hydraulic Steering!
  384. What's out there for big sea strainers?
  385. Bulldog cam problem
  386. building 375-400hp 383 stroker
  387. K-planes travel question ( angle )
  388. Gen VI oil valve question
  389. Drive height question/Prop Slippage
  390. Read this before posting in this section
  391. 496ho exhaust
  392. Soot on transom after fuel filter change
  393. Battery explodes! Why?
  394. O2 sensor question?
  395. hylift johnson lifters.
  396. Texas Winterization
  397. Need electrical diagram help 03 496 MAG alternator wiring
  398. Liberator 241 engine options
  399. 502 mag high pressure line
  400. Piston dome cc
  401. UPDATE! Water driplets and stains inside SS Exhaust riser
  402. LED Transom Lights
  403. Drives..turn IN or OUT??
  404. Converting an old school Gale Banks Twin Turbo system to modern technology
  405. Need some gimbal parts before installation advice please
  406. need a little 496 winterization help. kinda, and another question.
  407. 500efi power steering
  408. 500 efi engine badges
  409. Milling of an intake
  410. Most hrs on a Gen 1 verado 225, 250, 275 motor
  411. Piston pic.
  412. switchable exhaust tips vs silent choice
  413. Oil Pressure Question... Nothing broken but chasing an oddity
  414. Teach me about Exhaust riser angle Please.
  415. Engine/Outdrive Swapout
  416. 1989 23 nova xl wellcraft side engine vent inserts????
  417. Rods
  418. Need 525 EFI Flush Kits
  419. What's this ?????????
  420. Widebands
  421. Bravo Bellhousing to Inner Transom Plate
  422. File fit rings
  423. Head gaskets
  424. Log to Centerise Exhaust Manifolds
  425. Manley Nextek springs? Anyone?
  426. Procharger boost 91 octane
  427. What type EGT probes
  428. Merc 420 to 525sc in a Formula 242.
  429. Pulling a motor from the flange of a 177 wieand
  430. fountain 33 vs 29
  431. Exhaust issues Gil/bulldog 500 bbc stainless risers
  432. intake suggestions for 365 mag build into 420/450hp
  433. Cross over kit
  434. impulse II cam thread
  435. Milling heads for compression
  436. installing gil manifolds
  437. Torque #'s
  438. pump gas 540...
  439. Cam choice
  440. What do you think about this engine in the calasifieds 1209HP
  441. Dash redo, gauge less options.
  442. Single engine in a Four winns liberator 261?
  443. Getting water to a motor with no outdrive on it??
  444. Melling 10778 oil pump question
  445. Cam question
  446. 525sc cam info?
  447. Ok, we need a new thread: quench
  448. Looking for best Bilge Paint. Can you recommend?
  449. gen 6 555 ci oil pans
  450. Starting motors that havent ran since 2007...
  451. 7.4L MPI Won't Start
  452. Go To Bilge Pump and Float Switch?
  453. Anybody running Gen 1 verado's?
  454. 500efi thermostat replacement kit
  455. Jandsafegard Interceptor Knock Controller - Anyone Using This Product?
  456. Ignition dead on 525sc
  457. Dead ignition on hp500efi
  458. Are HP500 intakes brass lined?
  459. 310 cc heads
  460. Is filling fuel tank really necessary when winterizing?
  461. 6.2 whipple stage 1 ecm reflash
  462. Need A Part #
  463. Detonation Issues - "Why is the Gen 7 496 such a bad platform to build"
  464. cast aluminum merc 8 quart pan oil pick up part #
  465. Water Flow - flush kit vs. lake
  466. 575sci running rough
  467. Will low oil hurt 500efi?
  468. Saginaw to Brazilian actuator question.
  469. 500EFI Intake modification/adaptation to Pro Flo EFI
  470. Water driplets and stains inside SS Exhaust riser
  471. Tuningparts for newer 8.2 Engines from Merc available?
  472. Will a plugged exhaust cause an engine misfire?
  473. 377 Blue Scorpions
  474. Compression test readings
  475. Shifter plate question
  476. 500 EFI fuel pump oil?
  477. Inconel exhaust valves, when do you need them?
  478. Aluminum head corrosion
  479. Procharger fuel system
  480. Do the headers on 2001 500EFI have ports for oxygen sensors?
  481. Spark plug gap with MSD
  482. Carb guys and/or fuel issue
  483. Pulling an engine TRS SETUP
  484. deciphiring Crane gold rockers
  485. -2 Outdrive performance gains
  486. Fountain 29
  487. X-Power Drive
  488. KE lightning top end kits
  489. Noisy clanking exhaust tips.
  490. Power steering pump delete kit
  491. Cooling system
  492. 525 coolant recirculation pump
  493. New to forum. Need help
  494. Merc 8.2 HO Flame Arrestor Flange Diameter?
  495. Boat Lift Question
  496. Power Steering pump delete kit. Gen 6 motor with serp belt.
  497. Locate a PROPSHAFT DYNO in Midwest???
  498. Reality check for repair quote
  499. fuel injector cleaning&testing
  500. rebuild time