View Full Version : General Q & A




  1. I need a manifold
  2. Good oil pan for Big Block Chevy's
  3. Help Choose Engine Upgrades
  4. anyone need tall deck parts?
  5. Flywheel expert required
  6. Brand of "87" Gasoline and engine knock issues
  7. Whats The Deal????
  8. high oil temperatures
  9. Help with Gen VI 454 piston rings
  10. 420 Belts, Pulleys, and Idler
  11. old gas
  12. Pyrometers In Gil Exhaust
  13. Home made 525sc for Formula 357
  14. Valves Collide with Pistons ....
  15. Horsepower at crank vs prop
  16. gauge accuracy
  17. What type of plugs are recommended for Merc motors
  18. Gaffrie gauges
  19. Is the coupler pattern same as clutch?
  20. 502EFI missing / sometimes
  21. Trailer Question
  22. More HP for 420Hp
  23. Can Not Figure It Out,,Please Help
  24. 502 overheating! Help!!!
  25. What does it cost to freshen up Merc 575's?
  26. tall deck long blocks
  27. Closed Cooling Leaks
  28. Cam Timing Question
  29. Spindle replacement?
  30. 575SCI TPS issues?
  31. Diference Btwn a 3 and a 3a drive?
  32. how long at what rpm
  33. Odd 575SCI and tachometer problem
  34. horsepower happy: How much?
  35. Water in Hydraulic Oil
  36. Did I blow a trans?
  37. Changing gelcoat color?
  38. Who makes this Trim Tab?
  39. Electric Bolster not working
  40. trim cylinder hyd line leaking
  41. alarm going off
  42. Drive Vibration?
  43. 502 Mag EFI vs TBI
  44. 502MPI with low oil pressure
  45. MPI Wire Harness
  46. High Oil Pressure - Help!!!!!!
  47. Will thunderbolt 5 ign. work in a IV??
  48. won't come out of the water
  49. OMC 460 Cobra exhaust risers
  50. Gear change in Bravo??
  51. More Horsepower Please
  52. Whats A Good Rpm Range?
  53. How common are gelcoat cracks in a boat?
  54. Powder Coat Drive ?
  55. question on Merc alarm system
  56. Dart vs Merlin
  57. Oil for 525EFI
  58. I Recommend Teague Marine
  59. Engine modification
  60. Want to swap Bravo III for I or Blackhawk
  61. Check both drives while repairing bad one?
  62. Rebuilding a 28' Apache?!?!?!
  63. Air Pump For 1991 Corsa Mufflers???
  64. Mercruiser EFI
  65. Navigation Equipment Recommendations?
  66. Class Rules for A-Class in mid-1990's?
  67. Mercury 496 Mag HO question
  68. Broken Cavitation Plate
  69. Mild Horsepower
  70. Plumbing a mech fuel presure gage?
  71. Milling heads and notching bores
  72. CMI braided hose question
  73. Engine doesn't start. (454 MAG Stock)
  74. Attention KAAMA drive experts!! Need prop help
  75. Best Drive tow in or out settings
  76. Too small of cam?
  77. bravo1 lower gearcase VS. rock pile...... help
  78. How hard to change low water pickups to regular?
  79. Need 7.4 Long Block
  80. Rebuild or upgrade components 454 HP420???
  81. 502 carb jetting
  82. 502 Long Block $$
  83. Stelling
  84. 502 MPI VST Check
  85. master blaster
  86. LH prop on a RH drive?
  87. Looking for Alpha Inner and Outer Transom assembly and complete Alpha drive
  88. Mirage Vs Mirage Plus.
  89. prop suggestions ?
  90. HP500carb/Max power RPM
  91. Solution for Head Gasket troubles- Blown or N/A
  92. Oildyne pumps
  93. weber carb rebuild?
  94. where do you guys buy parts for a tune up?
  95. Room at Cumberland for Poker Run
  96. Fooling the computer...fuel & water temp?
  97. 04 29 fountain 575 blown xr is it just me
  98. need 2x V6 or HP modules for ThunderB IV
  99. Salvaging My Sunk Boat- What Should I Save?
  100. clever props
  101. need help finding the right prop
  102. AFR heads: Anyone else interested in buying?
  103. Crusader 502?
  104. Propeller Advise 292 Formula
  105. Fed up with Dominator, any ideas on where I can send it ?
  106. Supercharged Engines of LOTO Shootout
  107. Low water pick up with a nose cone... How about a screen?
  108. Bravo from TRS conversion, What is needed?
  109. Water pressure increased... Help.
  110. #4 cylinder failed 3 times in 3 rebuilds on 502zz
  111. MerCruiser Rev Limiter?
  112. 496 block, What head will fit.
  113. good luck to our friends in Florida
  114. HP500 carbs on a 450HP/454vortec JETS??
  115. zz 502
  116. Houstonprop help, I just smoked my prop
  117. The advantage and disantvantage of mounting engines close
  118. Bending water supply hose
  119. Idle step down kits
  120. Mercruiser 7.4L Harmonic Balancer ??
  121. can I run without flappers in y pipe with crane cam?
  122. TRS Drive Fluid
  123. Bravo XR stuck in FWD??
  124. Has anybody flat spotted roller lifters w/synthetic oil?
  125. How wide is the old style 2.5 cowling
  126. Murphey's Law,oil rings don't fit!!!!!!!!!!!
  127. Status of Shoreline Trailers
  128. Pfaff or Teague or ?
  129. where are flappers located in y pipe?
  130. HELP...One motor burning alot more fuel???
  131. What is oil pan capacity on Mercury Bulldog?
  132. how to tell top ring with NO instructions??
  133. what would a starter tooth sound like?
  134. High HP engines stalling when placed in gear.
  135. speedmaster 3
  136. Popping through the exhaust
  137. This winter's project
  138. 600 lbs less, almost same speed.
  139. stumped on rattle?
  140. Reversion (again)
  141. 502 EFI dying after reaching warmup temps
  142. converting from a bravo1 to a xz
  143. HP500 (carb) Exhaust
  144. supercooler
  145. Who has the BEST dyno?
  146. Transom Mounted 1 1/4 Pickup (pipe)
  147. What Drive 850 HP?
  148. Looking for Upholstery in Houston, Tx
  149. Can anyone help me find a Merc part # f/ 575SCI part?
  150. Dual water pickup with high x demension?
  151. Sending Units
  152. Oil by pass valve GenVI
  153. fair price for m3 prochargers???
  154. Yet another trailer brake thread....
  155. Mpi 502
  156. superchiller for 525sc
  157. Bravo hesitation when shifting into gear????
  158. Clean-up Special
  159. KILL (barnicle)BILL?
  160. Bent Crank ??
  161. Can't get the friggin ink of my sunpad!!!
  162. F/S Bravo 1 24P Prop
  163. Engine remove and replace
  164. Help Crane Cam.what Is It?
  165. Went 96.2 and blew the outdrive
  166. What actually happend when I reversed oil hoses??
  167. Tach Problem
  168. Gimbal Bell Housing Repair....Opinions !
  169. hot off the Mill iol cooler mtg brkts
  170. What props work best on TRS's?
  171. #6 prop loosens
  172. WOT Speed and RPM Loss
  173. Custom Electronic Panels
  174. Drives - Paint or Powder Coat?
  175. Still up in the air about heads
  176. Remote Oil Filter HELP
  177. 500efi spare parts??
  178. Pro's vs Con's...Conventional vs Synthetic
  179. EFI Gueru's
  180. Bravo 1 drive oil change procedure
  181. Top Gun transome angle
  182. Prop advice/5 blade
  183. Rebuilt Engine Help Needed
  184. Mounting of power steering cooler
  185. Anyone ever shorten a flame arrester?
  186. cam choice?
  187. amazing salt vs fresh
  188. speedmaster prop diameter?
  189. x dimension on twins
  190. OK! Ok! Ok!
  191. I need the wirring diagram for a gps speedometer
  192. Mariner Optimax 150 to 175 Upgrade.
  193. need a ZZ502 camshaft.Part#12366543
  194. Repairing Gel coat????????????????????
  195. 502/500hp Through Prop exhaust
  196. Installing MSD Ign.
  197. Guage and supplier of Marine grade wire
  198. Correct prop ?
  199. TRS to Bravo Conversion
  200. Seeking Spare Ignition Module
  201. Procharger pullies
  202. 500HP carb clone
  203. Dirty Drive Oil
  204. Overheating problem
  205. engine pre oiling systems
  206. Needs some help here guys.....
  207. 525sc cam specs
  208. Gaffrig starter lockout switch where...
  209. Carrera 24 fuel tank/removal issue.
  210. MSD high vibration coil
  211. 28 Profile Cat
  212. More HP for HP 500
  213. pro charged 502 mpi w/high oil temp
  214. Lots to Learn!
  215. 496 still poppin at idle????
  216. Merc Silent Choice Problem
  217. Oil Temps / Pan or Cooler?
  218. Cams and Desktop Dyno
  219. HP 500 Missfire and Sputturing
  220. Gil Exhaust Air Pump-Circa 1994?
  221. 708-cubic-inch, all-aluminum engine for marine use
  222. Corsa Captains Call
  223. Houston Prop?
  224. Have Twins And Ya Loose One ?
  225. Converting Wet To Dry Headers
  226. 502 Mag cam change?
  227. TRS Parts
  228. Motor Running Hot...Still.. Circulating Pump?
  229. Can I run my CMI tube top headers dry?
  230. Oil Filter Study
  231. Quick and Quiet too Loud
  232. good outdrive shop around CT/LONG ISLAND area?
  233. Trailer won't back up . . .
  234. Charging system??
  235. Motor Overheated, will a loose hose clamp cause this?
  236. Now What?
  237. Water Circulating Pump--How do I Test
  238. Water pressure gauge conversion to elec.
  239. Bravo XR's?
  240. SC600, PFM,Superchiller kit, wanted
  241. Has anyone changed out a race fairing ...
  242. Add On Hydraulic Steering?
  243. desperately seeking Gen VI flywheel for cast crank 454/502
  244. oil pres. issue, advise needed
  245. Transporting your boats
  246. stupid question
  247. changing throttle/shifter controls
  248. Oil Thermostat
  249. 500 EFI Modifications ???
  250. Need help in determining if this 377 Cubic inch will work in boat
  251. bravo gimbal bearing removal
  252. How Hard Can It Be?
  253. Raylar Upgrade
  254. Engine Knock ...
  255. Paging Glassdave....
  256. Swimplatform options
  257. Motor running too COLD?!
  258. Sonic Cavitation
  259. Prop Questions and lift
  260. Fuel gauge quit working....
  261. 327 to 355/383 ???
  262. How accurate is this ?
  263. Whats the next step
  264. Drop Down Bolsters
  265. Driver Bolster blows fuse
  266. Pair Of Used 25p Mirage Props For Sale
  267. "Newbie" salt water flush question
  268. #1 Alpha Impeller Installation...And Now No Forward
  269. Prop Advice. ,,,,,,,please
  270. mefi 3
  271. What size prop????
  272. Merc Sterndrive failure - Alpha One
  273. 496 HO compatibility with 1989 454 Mag
  274. Bypass Valve
  275. X dimension?
  276. understanding prop pitch?
  277. How do I get ~450hp out of Merc 454 -95?
  278. 40 seconds to get out the hole
  279. plug wire looms
  280. Extension Boxes with a Pad Bottom, Notch Transom
  281. 1,50 to 1,36 with twin Setup ??
  282. I Need Capts. Call
  283. 42' Tiger with 1,000 HP Motors
  284. Big BLock Chevy water pressure?
  285. 502 mag compression test
  286. alpha cutout microswitch
  287. Port Motor Won't Rev Past 2K RPM?
  288. Mercury Racing Remote Oil Filter
  289. How much oil?
  290. Need Advice On Fuel Pump Install
  291. Need a Gel Coat / Fiberglass Repair Recomendation
  292. Oil temps.
  293. Bravo Rotation
  294. Hydraulic Steering??
  295. New Toll Free Number
  296. Bravo bell housing support bushing
  297. Paging RumRunner! Carb tech
  298. Pre-labor Day Special
  299. Alignment
  300. 454 Won't idle???
  301. Tachometer problems??
  302. Oil Cooler Flow Direction
  303. Oil problems
  304. which prop on 31 warlock cat
  305. Stereo Amp??
  306. adjusting bravo I indicators ...
  307. hard shifting bravo one
  308. Speedmaster ?
  309. Recomended way to remove props on Speedmaster's?
  310. slip factor after labbing
  311. Alarm Sounding
  312. distributors FOR 454 HO'S
  313. Help Merc Oil thermostatic Bypass
  314. Miss/Tapping Noise @ 1100 RPM
  315. Sucked up Sand, now what
  316. holley or quadrojet
  317. Exhaust chirp
  318. help a dummy
  319. 496 h.o.
  320. New 525EFI, no crank - HELP!?!?!
  321. Turning a 502 Mag EFI into a HP EFI
  322. Weld on new skeg or replace lower gearcase?
  323. 500HP Carb Cap and Rotor
  324. Got a little bit of a weird one, at least to me
  325. Engine lifetime
  326. This is not SPAM, just looking for an opinion
  327. trim cylinder
  328. hp425 specs
  329. Best batteries for big systems
  330. SSM V drive
  331. hawk 40
  332. One manifold running warmer than the other
  333. warning beeper
  334. What thermostat housing is this?
  335. 500 hp ,,,prop rotation
  336. Extra Battery
  337. Trim Question?????
  338. What camshaft
  339. trs hp capabilities
  340. cast versus plastic water pump housing??
  341. Help, loosing HP above 4K RPM intermittently
  342. Serpentine Belt Help
  343. Interesting oil change challenge
  344. Electric over hydraulic brakes???!!!
  345. Trailer Lug Nut Torque?
  346. Header bolts
  347. please help with prop pitch on bL Hawk drive
  348. Rookie Fiberglass Work
  349. Trim pump and bypass pressure
  350. Speed,Speed, and More Speed!!
  351. Cooling System Question--Fresh Water System
  352. Eagle Rotating Assembly
  353. Where is the $/HP Sweet Spot?
  354. I always liked fuel injection
  355. microwaves
  356. 496HO and the Whipple….
  357. 502 Efi Flame Arrestor
  358. MOBIL 1 OIL FILTER for 502 efi?
  359. best method for bleeding trailer brakes?
  360. Drive trim indicator cable
  361. 2003 500 EFI Problem...
  362. cooling system - steam and possible debris?
  363. Austin, TX Mechanic
  364. Rigging
  365. Merc 454 Mag to Volvo 8.1
  366. Twin HP 525 RPM differences
  367. Using trailer switch to trim up?
  368. Delco voyager distrib. connections?tach?
  369. High Pitch Whine in outdrive
  370. how to remove old window tint?
  371. Snufflers
  372. Endplay in an Alpha drive prop shaft
  373. 1994 350 Magnum durability
  374. Trim Cylinder Help
  375. 33 Outlaw Power
  376. 525sc valve job
  377. Priming the raw water pump
  378. Upholstered Dash?
  379. Dash pad? (Formula)
  380. Max RPM for a 300hp Merc 350 Mag Horizon?
  381. Drive temp question?????
  382. Alternator woes...
  383. oil pressure switch/electric choke
  384. XR Prop Shaft Thread Size
  385. Rev Limiter Bypass harness
  386. Power valves for Holley carbs
  387. Kaama Question
  388. Clack, clack, clack...
  389. 540 bulldog will not start
  390. Snapped Timing Chain?
  391. Fuel Pressure 502mpi will not got above 30psi
  392. Bravo 1 Upper gears split? Why? What can be done?
  393. Fix for leaking fender...
  394. ? About Upholstery
  395. Oil Temp Gauge...foggy
  396. Blower ?
  397. Am I going to need new batteries??
  398. Need TRS transom parts
  399. Best price for starter?
  400. Prop ?: Can this be fixed?
  401. Tailer GVWR Question?
  402. supercharged 525s
  403. Oil Temperature going to 240
  404. Spark plugs 502 MAG MPI
  405. Wheres The Parts #'s?
  406. sync gauge not working
  407. salvage parts
  408. Merc 502 MPI Tach bounce
  409. Konrad Vs. Bravo/Imco SC?
  410. Stroking a 454 Mag 360 hp advice
  411. GEN V head used on MarkIV-water in oil
  412. Time for rebuild?
  413. Getting the jetting right -500hp - 454
  414. Push button ignition switches
  415. Starter for a 540
  416. Best product for gel coat
  417. Leaking lower unit?
  418. Raw Water Cooling
  419. Peanut port 454 heads...How much power?
  420. Speedy 3's and 3A's
  421. Stereo / Amp / Battery / Voltage Q?
  422. How much power for a Bravo 1?
  423. 7.4 MPI (need more speed )
  424. propeller questions,,,
  425. Is this way off?
  426. Compression numbers for a 60HP Mercury Bigfoot?
  427. Engine getting hot
  428. louder exhaust
  429. Determining Drive Ratio --- Again
  430. what pistons to buy? 454 mag
  431. how much trim?
  432. i have always wonder'd
  433. Prop slip #'s
  434. pilot bushings for crashboxes?
  435. Same old Prop Question
  436. HEI Distributor mech.advance,How much???
  437. XR drive 1.36 vs 1.50 ratio
  438. What t-bolt module do I have
  439. 7.4 MPI Procharger ?
  440. Cutting 3" from VHF antenna?
  441. Leak Down Test
  442. Anti-siphon Valve, Where Is It?
  443. Water in oil...loss of rpm...HELP!!
  444. loose pivot pin on Bravo 1?
  445. 29 pitch Mirage Plus RH wanted
  446. Need Help with Ford Transmission
  447. Need more rpm from Hydromotives....Pitch change? Lab Finish?
  448. power steering noise
  449. Does Drive ratio/prop pitch affect heel to port side?
  450. Figure This
  451. Need advice on adding a second battery
  452. Fuel filter part number? Merc 575SCI
  453. Battery jumper boxes
  454. vacuum noise-500 EFI's
  455. donzi 500 hp prop selection
  456. Bravo creeps up
  457. Can't Get Power
  458. bravo 1 getting hot?
  459. overheating 502
  460. will this motor work for a supercharger
  461. Guage Problem
  462. Advice needed on Prop selection
  463. 502 efi plugs? Which ones?
  464. Problems arising from restricted exhaust
  465. hp500efi rev limiter
  466. stumped
  467. question
  468. Breslin Header Bolts
  469. Max HP thru prop exhaust
  470. Mirage Plus/Bravo 1 to Hydromotive change
  471. transom shower help
  472. Drive Rumble
  473. What are concerns over low vacuum pressure?
  474. Backpressure on a 502 mag efi
  475. Bravo 1 to Blackhawk?
  476. 420-425 cam?
  477. Bravo 3 Drive Shower
  478. outboard allignment
  479. Bravo 1 wont go up while going high speed
  480. Need top speed
  481. Higher oil temps on starboard engine...thoughts?
  482. How to replace prop seals on 50 Merc. OB.
  483. 215E Merc Transmission Actuator
  484. Nose cone adhesive
  485. 500EFI - Help Please
  486. Excessive steaming
  487. 28 sonic speed
  488. Rev Limiter Retrofit
  489. High volume oil pumps
  490. 28 Daytona and Tunnel Tab
  491. oil pressure problem 502mag mpi 2000
  492. Engine gurus!!!!!!!!!!
  493. Bravo Shift Cable Tools
  494. Ignition timing small block chevy
  495. Will paint stick to teak?
  496. Help - HP500 Backfire - Brand new
  497. federal mogul high volume oil pump bypass spring presssure
  498. Awlgrip Quote?
  499. What octane fuel for the motors?
  500. articfriends