View Full Version : General Q & A




  1. Vaccum Secondaries
  2. need guidance super charger or other choices?
  3. cold 502?
  4. bravo 1 upgrades ?
  5. why dose
  6. BEWARE of Power Marine and Blown1500
  7. adding oil
  8. balancing my 502 crate motor
  9. Exhaust Tip Install - Rubber gasket???
  10. What else can i do?
  11. alpha question . . again . .
  12. Torqe Spec???
  13. Merc Power Steering DOA?????
  14. Merc 2.5 EFI Help Needed...
  15. Salt water, aluminum intake, and 10 yr old manifolds...
  16. Small Shaft XR Drives
  17. I QUIT!! (long)
  18. Zero Effort Shift/Throttle Help Needed
  19. jetting question alltitude/temp
  20. vortec super chargers ?
  21. Servicing injectors 502 EFi - any tips
  22. Formula 353 Fastech - how fast?
  23. Power Steering Pump Broke
  24. prop selection
  25. Flow Numbers - HP500 EFI 088 Casting?
  26. Bravo1 vs. Dock Lines Long!
  27. Through-bolt trim tabs???
  28. Fed Up !!!!
  29. How to remove exhaust tips?
  30. Bad impeller
  31. a good prop for a pig scarab 28'
  32. 502 Mag Hi-idle after start
  33. Rising Water Temp
  34. flywheel vs flexplate
  35. I think I have a ground problem.....
  36. Bravo trim problem
  37. Transom shower?
  38. Fuel Tank Check Valve?
  39. outdrive trim stopped working?
  40. cooked my exhaust - help!
  41. oil level rising in 4.3 engine
  42. Fuel check dip-stick - any suggestions?
  43. 525SC can't get above 4500 RPM
  44. OT Expedition headlamp adjust.
  45. cam size suggestions?
  46. merlin blocks
  47. Need Special Allen Wrech Tool
  48. Hydraulic roller lifters...not happy
  49. 280 Silencer Engine Hatch (help)
  50. Prop Diameter-who needs it?
  51. TRS Oil Line Schematic
  52. Stock mechanical fuel pumps?
  53. Spark Problem
  54. msd 7ml-2
  55. MSD Spark plug wires
  56. Fountain 35 Lightning - how fast
  57. won't rev past 2500 rpm!???
  58. need clamp on wind defectors 'see pic'
  59. Black Transom problem
  60. Boat Pulls to the Port side
  61. I am bummed..Blown XR?
  62. 350 Mag with a 1.32 Alpha?
  63. 454 Overheat
  64. trs help
  65. Ive Hadit With Crane Cams
  66. Lightning headers on twin TRS 454s
  67. Run The Oil Pan Dry?
  68. help???
  69. replacement windshield???
  70. Help! Broke something in the drive...
  71. Water in carb enclosure????
  72. MerCruiser 575SCI Blower kits
  73. one more bravo steering problem to add to the pile
  74. OPTIMA Batteries
  75. Mercury HP525 break-in ?
  76. 7.4 efi 1998 rotor removal
  77. My wife freaked when she found ____ in the dishwasher.
  78. Mercury Thunderbolt ignition issue
  79. XR or Bravo Drive Temps
  80. Timing and Carb help
  81. #1 R drive vs Alpha drive
  82. need advice
  83. looking for travis w/stroker powerplay
  84. volvo/penta douprop ??
  85. question-metal spiral ring in bellows?
  86. Wire that supplies t bolt4 ignition power?
  87. Propheight twin Promax 300??
  88. Exhaust Manifolds- '99 502 MPI
  89. help 2nd motor install
  90. How much oil should 502's burn?
  91. mufflers
  92. Water Ingestion
  93. Smartcraft
  94. Fuel Starvation???
  95. How fast before blowout??
  96. motor problem
  97. K-Plane Hydraulic Pump
  98. Fuel Press.
  99. Finally ready to install
  100. Front pulley oil seal on B&M 250???
  101. Carb Base Gaskets
  102. Who has parts for KAAMA Drives?
  103. Trim Tabs, Electric or Hydraulic?
  104. Nose cone on bravo & speedo
  105. Cams for 502 MPI
  106. Bravo Endcap Torque
  107. Exhaust Silencers
  108. Holley jet extensions...do you need them?
  109. HP500 Carb ?
  110. sea strainer
  111. Looking for 6 psi of boost
  112. What color is your Redline drive oil?
  113. ??rpm
  114. Cam for 598" BB
  115. Best Prop for 24 ft. V-Bottom?
  116. Bravo drive seems to clunk???
  117. Oil filter question
  118. EGT sensor install Stock Merc Manifold
  119. Merc water-pump-mounted fuel pump
  120. HP500efi mods
  121. Help needed the whole thing quit
  122. Blower Cam ? regarding #'s
  123. Sea Pump Part Number?
  124. KAAMA Surface Drives, I need help
  125. Engine shuuting off at 175 degrees HELP!
  126. Help, need starter for 575sci
  127. Drive side to side play...
  128. Mercruiser Training! Am I crazy??
  129. King Cobra Engines / Outdrives
  130. thermostat/oil filter kit
  131. Insta Trim tabs
  132. 500 EFI fuel pres,regulator
  133. How to check Unilite dist?
  134. oil pressure guage flickering from normal to pinned, then back
  135. TRS - Drive oil leaking around inner gimbal housing
  136. Looks like the Exxon Valdez ran aground in my bilge!
  137. need part # for Merc theromstat/filter
  138. There's gold in them there filters!!
  139. egt location on stainless marine exh.
  140. Bravo Oil leak -outside
  141. Pro charger fuel psi at boost
  142. ITS Steering
  143. Insta Trim, Leaking
  144. Crack Head on 502
  145. house boat steering cable broke
  146. Small Block Weight
  147. upside down oil filters
  148. Engine cutting out
  149. What just happened to my boat?
  150. Bleeding drive trim cylinder?
  151. HELP gimbal-transom separation???
  152. diesel HELLLLP!!!!!!!!!!
  153. Circuit breaker question
  154. Water in oil?
  155. ZZ572 Crate Engine
  156. What is wrong with this
  157. Mechanical or Vaccum Secondaries??
  158. Oil Capacity Question
  159. Best place for oil temp sender.
  160. Fuel Pressure Regulators
  161. Help!---No water pressure!
  162. lathham steering
  163. best set up?
  164. Ford Dually front wheel bearing preload?
  165. Oil temp problem???Need some help.
  166. Stern jack question
  167. excessive oil pressure
  168. Painting lower units, gimbles and K - planes...
  169. Engine Miss after blown hose
  170. stalls shifting to foward
  171. Hard start when hot.
  172. 900sc intake spacers
  173. 5.7/Quadrajet
  174. Bleeding Bravo Trim Cylinders???
  175. transom removal
  176. gains with following mods?
  177. EFI VST - fuel preasure
  178. Exhaust Water Hotter on Starbord Pipe
  179. drain fill location on imco lower
  180. 800 cfm Holley???
  181. Automotive power steering fluid used for trim oil?
  182. Suburban Question
  183. I.T.S. X quikie
  184. ever hear of ..GM upper end cleaner ?
  185. Bravo Spacer ?s
  186. 502 to 540 ??
  187. Question for the prop gods
  188. KAAMA hydralic steering rams
  189. advice on drive shower
  190. xr drive blowing oil out of res.
  191. My letter to the editor of Hot Rod magazine
  192. Water Pressure gage location?
  193. Anyone ever break a camshaft in two ?
  194. Add-on steering system dangerous??
  195. Flaky 50A Breaker
  196. Trim pump bracket???
  197. Exhaust Headers Alignment
  198. Spark plug wire replacement options...
  199. Starboard side has black soot on transom, port doesn't?
  200. trim pump question
  201. Dead or alive?
  202. Help Need A Trs To Borgwarner Yoke
  203. tips for repairing gel-coat
  204. Bravo drive has Neutral and Forward, no reverse.
  205. Bravo Lower Removal?
  206. Hydraulic steering problem
  207. Arneson drive ?
  208. Throttle control needed
  209. Windshield Glass Port Side for 94-29' Scarab
  210. Power steering Pump
  211. cant go above 3500rpms?
  212. Rotating Trailer Tires
  213. Formula Battery Wiring
  214. Worn Gimbal Ring
  215. Back4More Bmaxed out...
  216. trim and tab indicator options
  217. Borg Warner transmission not engaging
  218. Carb Flooding......SOMETIMES?
  219. no netural,no forward only reverse bravo-1 drive
  220. Cold Idling Problem
  221. hydrażlic steering problem!!!! serious
  222. water pressure?
  223. High rpm miss
  224. HELP Bravo 1 Universal Joint
  225. Fiberglass Help
  226. HP500 + Wipple Supercharger =Reliability???
  227. Oil Temp Check
  228. VST tank problems
  229. Hp 500 With Aluminum Heads
  230. Help! Engine alignment question
  231. Twin Disc Tranny
  232. Water pump pulley removal...
  233. B&M 671 mega blower - need info
  234. flame arrestor costs 40 hp?
  235. AC 1 number?
  236. Depth gauge works for 1 min, then 1.2?
  237. Boat plug@transom removal-tight!
  238. PowerValve Selection II
  239. Boost Pressure
  240. Maximus Five-Blade Propeller
  241. Mercury racing
  242. V6 Modules
  243. TRS Borg Warrner trans
  244. Change intake manifolds when replacing carbs?
  245. Looking for feed back on ProCharged 496HO...
  246. Airating a Black Hawk?
  247. Leaking Gil manifold 525sc
  248. Results of changing oil bypass springs on Gen VI 502
  249. Factory Reconditioned B-max Drives Limited Quanity
  250. Overfueling
  251. BIG A$$ cherry picker?
  252. ProCharger/SuperChiller/EFI/Setup
  253. Whipple charger carb?
  254. 502 efi runs WOT at start ??????
  255. Nova II Bravo change X-Dim change?
  256. Teague 509" crate motor
  257. Serpetine belt with water crossovers problem.
  258. Another oil pressure question
  259. Alarm buzzes, temp gauge ok
  260. Storing Bravos in Gear
  261. Flo-Scan probs
  262. Dry Sump oil system
  263. Carb question?
  264. need the right prop
  265. low voltage
  266. What jet size for procharged 502s?
  267. 500 efi NOS
  268. Oil Pressure
  269. Rare?[hull]
  270. Dyno's oil leak part 2
  271. BBC Oil Temp ???
  272. Opinions?
  273. Cam driven water pump
  274. What's in a MCM HP425
  275. Alternative cat props
  276. Msd Question
  277. Water Temp on Blower Intake
  278. question for Bobby Daniels- HD coupler?
  279. Oil in exhaust water - where is the leak?
  280. no water coming out exhaust??
  281. Needing A Larger Cockpit
  282. Big prop or small prop
  283. repairable or rebiuld?
  284. Whipple Charger
  285. Things I've discovered about Weber carbs
  286. OT: trailer brakes quit working.
  287. Merc 2.5 with new EFI
  288. 2.5 Merc Fly Wheel coming loose
  289. another steering question
  290. Outdrive play??
  291. Got my Vaccum readings so what powervalve to use?
  292. Dropping Fuel Pressure
  293. Tach questions?
  294. Sound (silent ...) choice on automatic?
  295. Exhaust Film on Transom??
  296. Max Rs for stock ignition?
  297. 540 STD deck or Tall Deck?
  298. HELP with wiring (trailer)
  299. Merc. Silent choice
  300. water pickup for inter cooler
  301. setting X dimension - #6 to Bravo conversion
  302. Deformed Coupler Splines??!!
  303. drive oil
  304. Trim pump ports
  305. H2O pressure in Oil Cooler? Need Cooler!
  306. Oil Flow/Direction
  307. TRS Drives/lowers
  308. Bravo Sportmasters without cavitation plates?
  309. Outdrive Gear Ratio Question
  310. advice on flushing drive trim pump
  311. procharger single carb box needed
  312. Prop CUP
  313. Bad MSD box?
  314. Alternator question?
  315. Bravo Steering Problem?
  316. Alternator Bracket Needed
  317. Mirage vs Mirage Plus
  318. Need more power! Ideas Please
  319. bottom paint removal?
  320. How to determine Power Valve
  321. Looking for speedmaster props
  322. Timing and HP
  323. timing on 500 hps
  324. Hull limitation
  325. Need HP500 EFI ECM
  326. What size Alternator to run??
  327. bravo1 resevoir overflowing
  328. Steering Ram Identification?
  329. Stripped stud on coil?
  330. Fuel pumps???
  331. Thermostat cover gaskets leaking water
  332. Where in the fuel system should the fuel cooler be on a Procharged motor?
  333. Prop Labbing recommendation & Flame arrester?'s
  334. Hull Damage Repair Help?
  335. 500hp carbed oil filter?
  336. Offshore Throttle's - Gaffrig Performance or Gaffrig Lavorsi ???
  337. "How to adjust IAC & TPS" On Merc EFI
  338. Rapid Fire #1 questions
  339. Propheight twin PM 300's
  340. Engine Failed/ Question is? Long
  341. 502 Water pump impellar?
  342. OK Time to prop this boat, Help.
  343. motor change - what works?
  344. Flame Arrestors
  345. Low {er} oil pressure ?
  346. Speedo Pickup?? Which ones last?
  347. wet exhaust tubing
  348. Blowers and Thermostats
  349. "HOW TO" adjust EFI IAC & TPS -Interested???
  350. speaker ???'s
  351. M3 or M4 carbed procharger needed
  352. prop question
  353. Kiekhaefer Controls Safety Switch
  354. Water temp freeks out???
  355. Speaker Grill Madness
  356. Fresh Water Pump
  357. replacing floor in a cat.
  358. EGT with Prochargers/Whipples
  359. Alignment Tool-Where to buy?
  360. 496 Sea Water Pump
  361. adding mph = frustration
  362. Thanks bobby danials
  363. Rev limiter suggestions for T-bolt 4?
  364. Hole in thermostat??
  365. Small block Ford performance exhaust manifold
  366. Kamma-Lost a prop blade? Need advice
  367. 502 Heat Exchanger End cap blown off,help.
  368. What's wrong with my boat?
  369. Bound up shift linkage
  370. Break in for rebuilt motors?
  371. I need your opinion on gimble repairs
  372. Muff's for Bravo 1 low water pick up?
  373. Anybody HAve any alpha intake grilles laying around?
  374. Wrong oil pressure sender?? Gaffrig gauge...
  375. Carb trouble
  376. MSD wire harness?
  377. went from a 22 Velocity(fast&nimble) to a 26 Velocity (slow&lazy
  378. Still leakin oil!!!
  379. Tailstock/engine allignment question?
  380. Looking for exploded diagram on Mercuiserparts .com????
  381. Water Injection ,,good Kits
  382. Bravo 1 tech question
  383. Bravo 1 tech question
  384. IMCO Shortie on a 29 Fountain
  385. Attn: Moderator - need to post a picture
  386. bravo 1contra rotation
  387. Valve Covers for 1071 blowers
  388. Cat Cranks??
  389. internal exhaust flappers?
  390. depth gauge works 1 min. goes to 1.5 and stays there?
  391. Deep sounder
  392. What Brand Supercharger?
  393. Speedometer pitot mounting location.
  394. Refilling compass.
  395. square bore holly on spread bore intake?
  396. Adjusting Valves
  397. steering parts
  398. 496 wot miss-update, solved! Thanks Dixie Doug.
  399. Tuning a Holley 800 mech sec
  400. Reading an Advance timing light.
  401. high water pressure
  402. hydraulic bolsters not working,,
  403. Distributor won`t advance.
  404. water cirrculating pump drive question?
  405. Donzi Z21 What Prop??
  406. 87 Baja Force 280 Which Prop and What RPM.
  407. 496 on a budget?
  408. Tabs on Cats
  409. Looking for Yamaha OB dealer or parts website in North Jersey
  410. Shop in mid-west .. need whipple work.
  411. K&N filter and Jetting etc.
  412. Oliver parabolic rods?
  413. Black Soot
  414. exhaust help
  415. Oil an water mixing in 502/502 gm BB
  416. Vibration when in gear
  417. Water Pump Runs - No water comes out of Sink??
  418. Changing spark plugs and wires?
  419. Twin Promax 300 - how close?
  420. Scarab 1
  421. My boat is taking on water
  422. Carpet?????? Where to find
  423. 502.... max rpms?
  424. Oppinions please! Changing CG of boat while underway?
  425. Fuel Pump??
  426. Timming Help on 7.4L 330
  427. Truck people, braking question
  428. Air Compressor question
  429. how to set drive toe in/toe out?
  430. Weber Crabs Again
  431. Stroker pans.
  432. HELP,engine hoist?
  433. Break in on new Bravo XZ?
  434. Gauges...weird..weird
  435. SSM IV vs. SSM V ?
  436. Drive shaft questions
  437. Trim Switch help??
  438. 502 MPI Quiz question!
  439. Merc Plastic Dip sticks?
  440. prop question bravo1 vs mirage plus?
  441. how to tell alpha gen 1 from gen 2
  442. formula for calculating valve overlap?
  443. Engine size vs reversion.
  444. How can you tell Kevlar from fiberglass
  445. How long (Chain on Anchor)
  446. Need advice on buying a cam for my 454 mercruiser
  447. Motor never warms up. Advice wanted
  448. Evercoat gelcoat repare
  449. Bad 6AL Box??
  450. Need Help
  451. 496 under water !!!
  452. GD Seal!!!!
  453. How to add fluid to Gaffrig Monster liquid speedo
  454. Vacumn over hydraulic brakes
  455. Thanks OSO folks for the Tech Advice on the Quad Rotor - **VIDEO **
  456. Holley Electric Chokes
  457. need help from the pros / lifter hight V's valve geometry
  458. trs exhaust diverters
  459. Help... Raw water pump leak
  460. seized lifter , Why
  461. Corrosion Protection
  462. 100 mph or bust it
  463. sticking silent choice
  464. Trimming Twin Engines?
  465. Comp Extreme Roller Info
  466. Oil pressure sensor locations
  467. I bought a 1/2" spacer for my drive
  468. Dennis Moore?? Where are you!!
  469. Engine Clatter\Tapping Port on 350 Mercruiser??
  470. How much drive oil?
  471. Question about drive rotation and friction
  472. Engine Mounting Bolts?
  473. Bottom paint? yes or no
  474. Dist Cap for a Merc HP425
  475. holley carb adjustment
  476. Prop Question, diameter & pitch...
  477. What should timing be set at on a 84 330 Mercruiser
  478. Cam selection
  479. Imco Vertical shafts
  480. Roca Speed rails & what it will take to see 80 mph
  481. Holley help
  482. plugging old exhaust holes??
  483. blown 520 idea...need roller cam advice
  484. Holley Alcohol Jets?
  485. trs ?
  486. Peak Power on 330 Mercruiser
  487. Do I need Drive Showers on TRS
  488. SBC head choice
  489. HP500EFI running rich?
  490. 496 Mag HO water circ. problem
  491. Trs question
  492. Best Bravo Drives
  493. Removing thermostats on carburated Mercury Outboard
  494. Warning Buzzers
  495. Help with Accelerator Pump Cam
  496. New 500 Efi Throttle Body Upgrade
  497. Prop Help PLease!
  498. Trim Information
  499. Question on exhaust flappers?
  500. New Valvoline "Not streer legal" synth. oil