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  1. W

    What RPM do you Plane and how low can ya go?

    Just a general question, I know all this is based on size power and prop. At what rpm (lowest) can you hold your boat on plane?
  2. W

    alternative exhaust cooling

    hey guys, have a new project wellcraft 29 express cruiser with twin 350 s would it be possible to wrap exhaust manifolds with heat resistant material (in order to use a standard exhaust manifold) then have the exhaust cooled at the collector before it goes out. working with direct drives...
  3. W

    "GEEK" Needed Lowrance lcx16c

    I have a lowrance lcx16c that I m getting very attatched too :) However :rolleyes: its a little slow for scrolling from one point to another in the map feature and it is also slow to load. I m pretty sure, correct me if I m wrong (I know yall won t hesitate) that inside it is basically the...
  4. W

    Prop slides on shaft

    I picked up a cheap prop for some tests and there s play in the prop when it s bolted on it slides forward and aft about 1/4 inch, but the splines are ok I have 17 pitch on now but I got alittle more power :D so I m testin with a 21 merc 3.0 with alpha 1 on a 19' cuddy Can I just shore it up...
  5. W

    Please Help...I broke the transom plate

    I found and repaired a leak in the stern of my boat and was re torqing the transom plate bolts when the lower left side of the plate cracked, thats the bad news, the good news is the rest seems fine, with all bolts torqed to spec this is on an alpha one with a 3.0 in front my question is can I...
  6. W

    another carb, brass in the bowl?(surely not gold)

    I ve been going back and forth with float adj on mercarb 2 barrel on gm 3.0 after carb soak and rebuild finally got the dripping to stop and now the motor runs (well) for about 10 or 15 minutes then starts to drip, then floods. I can remove fuel line burn off excess (all while running engine) re...
  7. W

    It Runs,3.0l

    Well Got It In The Boat Yesterday, Put The Juice To It Turned Her Over To Load The Cams, Then Put Some Fuel In The Carb And Voila, One 3.0n Started An Ran, Then Ran Her Long Enough To Warm Her Up And Then Adjust The Valves, And Now She S Bout Ready....however,(yeah You Knew It Was Commin!!!) The...
  8. W

    max rpms on muffs for a rebuilt motor

    finally finished with a 1990 3.L rebuild can anyone tell me the max rpms i should run it on muffs? (if there is one) machine shop said to run the motor at about 2000 rpms for while, and stay away from idle once timing is set, but that seems a little high to me thanks guys
  9. W

    Somebody Stop Me....i Think

    Bought a 19 cuddy, a year ago, hardly had it in the water, when I found lots a rot, then bad motor 3L, then bad transom, I m almost done. with a full restore, on the boat It wont be fancy or real pretty, but it will be SOLID. And now I ve found a 28' w/twin 350s (rut ro shaggy) Somebody talk...
  10. W

    Follow up to adj, adj, adj and still rattlin

    Thanks to the experts here on iboats I got my boat back in the water after rebuilding reglassing stringers, and deck. But had a rattle in the motor after adjusting the valves, sounded like valves anyway, finally pulled and went inside motor.( 3.0 gm on 19 cuddy) (see att) What really made me...
  11. W

    merc3.0 from 120 to 140

    I pulle engine out of 19 cuddy, a 1990 merc, 3.0 I m chasing down a rattle in the motor, wrist pin or rod bearing, motor is on stand but i haven t got into it yet my question is 2 parts a) how can i tell if this motor has been converted to a 140, and b) how difficult would it be to convert it...
  12. W

    Should I...is It Worth It?

    I m in the process of a repair on merc 3.0, motor as well as boat, very close to completion thanks to all the PROS here and in the middle of it all I have found an old 50 horse merc out board attatched to a halfway decent boat, ser #6421417 but i cant decide if the motor is worth rebuilding, it...
  13. W

    DEAL or NO DEAL...HELP

    I have come upon a bass boat for sale, less than a grand, the owner cannot find the key and knows little about the boat, somewhere between a 1985-1990, has trolling motorand 50 horse merc on it, but i tried to hand turn the merc w/o plugs and got some compression on all 4 cyl but the crank would...
  14. W

    valves adjusted adjusted adjusted....and still rattle

    I hve adj the valves on merc 3l (thanks Don S and Reel Poor) had to go back and adjust again,(went on high side lost compression and had to start over) anyway got her runnin, turned down idle,(after breakin needle valve) ((would not seat)) and still have a rattle that increases with throttle...
  15. W

    lock nut...what lock nut(valve adj merc 3.0)

    i have a valve tappin when get boat on plane and open the boat up but when i idle down its hardly noticable, so i read here about adj valves, and there are no lock nuts that i can see, there is a nut in center of rocker but no lock nuts, Im guessing these are just hydraulic and you have adjust...
  16. W

    Now.. about that transom.....

    I have been reading and learning from iboats the past six months, I hve 19 glasstream, cuddy with 3l 1990 mercruiser and from what I have learned I have ripped out, and replaced stringers,foam and deck, all reglassed and finished in. I would like to thank all the contributors at iboats, and...
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