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  1. W

    Broken plug adapter

    2010 5.0 GXI-P. Ser.#40869306. I was having trouble installing the drain plug that's in the bottom of the ex. manifold...I know, I'll take it out and try to chase the threads clean. A little pressure and snap. adapter breaks. This is part #21238201. I know I can get another, but I was...
  2. W

    Need help with water pump issue.

    2010 5.0 GXI-p/sx The last time I fished, I flushed with the factory flush hose. Well yesturday I forgot to check the flush plug. After leaving the dock I got a overheat horn (guage went to 200). I have done this one other time. I think I will start flushing with a LU "ears". I guess I'm not...
  3. W

    2010 SX-A corrosion issues

    I'm right at two years and 130 hrs. These photos show the issue The zinc seems to be perfect I'll do the outdrive removal deal in a couple of months. Just getting a head start on recommended repairs of these areas. What might I have done, or not, (during install) to have such...
  4. W

    Tach Display going baserck

    2010 5.0 GXI-E 101 hrs On my past couple outings the digital display has been acting up. Its like it is trying to display some thing, looks more like egyption hyroglifics???? I'm thinking it may be a service message, but its not readable. After a little while the display returns to show engine...
  5. W

    Warning horn wiring

    2010 5.0L GXI-P/sx When I changed out my old console I didn't mark the wiring for the warning horn. I still have the paperwork for the wiring harness. It shows the color for the horn but its not working I did this install fall '10 and had no problem. I was hoping one of the gurus here could...
  6. W

    Over heating Gremlin

    Hello all, This is a 2010 5.ol gxi/sx that has been perfect...untill, This past weekend I had just left the ramp, at idle speed. Looking down at the guage I saw it was about 170 (always nailed on 150). WTH? I shut her down and tilted up, no debris, put her back down, fired up, still rising. So...
  7. W

    Adding a Tilt sw on the transom

    All the outboards i've had have a tilt switch in the cowling. Anyone ever added one maby through the transom of an outdrive. I have to tilt up to back into the garage, tilted up. Then have to tilt down to finish backing in. A rorlal pian to get in the boat to tilt. Also for draining at the ramp...
  8. W

    Reinstalling 2010 SX outdrive

    I made a OD stand/jack and removed the oudrive. The OD is mounted with "Ny-lock" style nuts. Do I need new nuts or will some permatex (or other) be good with the old nuts? Also I've got MERC propshaft grease, is this alright for the driveshaft/coupling? Thanks Wire Knot
  9. W

    1975 Mako I/O CC repower

    I,ve owned this boat about 4 years. Original power was a 225 hp omc stringer. Spent some time and $$$ trying to make that work ( against some good advice). After stripping a drive shaft two years a go, I decided to BITE the bullet. What I started with. Outdrive/t shield removed Removed...
  10. W

    Repower help...please

    I'm in the process of ""TRYING"" to get quotes on a NEW powerplant for my Mako I/O. What the hell is going on? I,ve had to re-call dealers to get a price. Seems I'm not being taken seriously? I'm prepared to spend the bucks, but I guess it's freaking everyone out. Had, "one of the souths...
  11. W

    Repower help...please

    I'm in the process of ""TRYING"" to get quotes on a NEW powerplant for my Mako I/O. What the hell is going on? I,ve had to re-call dealers to get a price. Seems I'm not being taken seriously? I'm prepared to spend the bucks, but I guess it's freaking everyone out. Had, "one of the souths...
  12. W

    Repower Help. What ratio OD ?

    Its been awhile since i've posted, But I could use some help. I'm in the process of repwering a 1975 Mako 23. It had a V8 OMC that I gave up on 2 years ago. Im looking at 5.7 MPI The Hull is 3600lb(dry) and the transome has been filled. My questions are 1: would you prefer merc or VP, why...
  13. W

    '99/90hp Won't idle after carb rebuild

    Have had problems with her for a couple of months. I had a high speed miss, rebuilt the carbs, now it won,t idle. Starts fine, but will only idle if I keep pressing the key. She runs great if I throttle it past idle, in gear. I have tried the idle set screw at 3 1/2 and 1 1/4 turns didn,t seem...
  14. W

    low oil pressure....sometimes

    I have a reman. 5.7 '75/omc the oil pressure is 50-60 when first run. Drops to 45 warm. Water temp is about 150 deg. After a short cruise, I stop to troll, while in gear at 4-500 RPM the pressure drops to almost 0 deg? Any trottle at all and she pics right back up. Just this SLOOOOOOOW...
  15. W

    High HP Dreaming

    What if Money wasn,t an issue....hey, its my dream. Where could I "shop" for SBC , high HP/low weight, pakages. Looking for USCG approved stuff. Thanks WK
  16. W

    V8 OMC Plugs?

    Looking for Champion # RBL-8 or AC-MR43T. (manual recommendations). Autozone dont have 'em, Worst Marine don't show 'em( in the cat.) NEVER MIND NAPAS" GOT "EM Thanks Wire Knot
  17. W

    Decarb question?

    '99/9o hp johnson This motor has been almost perfect its whole life(1 Power Pack) After sitting last year I'm putting her up for sale soon. She sure is smoking bad at startup. Doesn't bother me but potential buyers may not like it Im sure a decarb is in order. Have searched the way to do it'...
  18. W

    2 ignition questions, 1 other

    My test worked so I'll try again. I have a '75 5.7L omc (remanu. long block 50hrs) pts ign. 23' mako CC I have set the timing w/a vacuum guage. The timing tab is missing off of a aftermarket timming chain cover. Is this good enough? Starts great, idles great, no pinging at speed. Also the...
  19. W

    testing Testing

    Had a question for u men. Tried to post twice still dont see it No cussing or nudity in them either Wire Knot
  20. W

    2 ignition questions

    Thanks to all who contribute to this forum Haven,t visited in awhile. I have a 5.7L OMC '75(reman. long block 75hrs) pts ign. 23' Mako CC The chain cover I have has no timing mark. I have set timing w/a vacuum guage. Is this ok? Also the remanufact. says to replace the advance springs I see 2...
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