Recent content by jere1972

  1. J

    Cooling System Question(s)

    Have a couple ? that I'm hoping someone with more experienced then me can help with regarding the cooling system, have a mercruiser 7.4 Bravo 1 (carbed)not 100% now on the age...but believe it to be a 1990/91 Mark IV... I have new manifolds and risers (cast iron),and a brand new GM Cast Iron...
  2. J

    engine swap help needed

    have a 91 mercruiser Bravo1 7.4l, Motor just blew lots of blue smoke, can't rotate the crankshaft, looking at a Merc horizon 7.4 V-drive, don't know what a V-drive is assuming has some kind of transmission, my Question is what is a horizon motor?, what is a V-drive?, can I use my bell housing...
  3. J

    Bravo 1 drive temp ?

    I recall reading somewhere, about bravo drives over heating, and needing to run a drive shower?? if no shower then you can only run your boat on a plane for a max of 30min, can't recall where I read this or if it was specific to the 1 2 or 3 drive....anyone know if this is true, I never run my...
  4. J

    could it be propped wrong?

    Re: could it be propped wrong? Been awhile but been busy with lifes issues, getting back to my boat, picked up a used SS Mach 4 blade, 16"x17 got a fairly good deal on it I think ($160), hoping this may help with the high prop slip but had to make a last second decision to buy it ...any one...
  5. J

    could it be propped wrong?

    Re: could it be propped wrong? checked what emilsr suggested, the prop shaft centerline is 8" below the lowest part of my transom, also this is the model # of my prop 48 13700 A41 19p, all it states is Mirage, there seems to be around 3/4-7/8" clearence between the prop and the gearcase , the...
  6. J

    could it be propped wrong?

    I have a 95' Renkin seamaster 2688, the boat originally had a 7.4L Yamaha hydradrive, I repower the boat with a 91 7.4L merc/Bravo 1 1.50 that i pulled from a damaged 23' Cuddy, the guy told me the boat used to run 60mph before damaged, the merc came with a 23" pitch mirage not sure on the dia...
  7. J

    7.4 charging issue

    took my boat out for the first time, since engine was installed, have some prop issues, but also noticed, during the most of the day the volt meter showed around 13.5=14v. then as we stopped more and more to fish, (running pumps, lights, and radio) the voltmeter would lessons as the engine was...
  8. J

    mercruiser prop might be overpitched

    picked up a boat 26' WA cuddy, boat is powered by a carburated 7.4L bravo 1, boat has trim tabs, my concern is the pitch , it is a 23", I have yet to but this in the water as the transom had to be rebuilt, would this be to much prop, the boat with engine and drive, weighs approx 7000 lbs with...
  9. J

    7.4 bravo Oil line confusion

    think I need some help I removed my engine to rebuild the transom, I figured since the engine was out I would strip it down clean and repaint, problem I may have is the engines oil lines to the filter relocation adapter, not certain I have them correct, off the engines GM factory filter...
  10. J

    Mercruiser startup

    Hey guys need some advice, picked up a used mercruiser setup, 7.4L bravo, engine has been dormant for over 5 years, I am a little reluctant on trying to start it without doing something, almost all the internal components have not seen oil in over 5 years, this is where my concern lies, I have...
  11. J

    cleaning and painting Bravo drive

    any ideas on what kind of paint to use on the drive and gimble, never had much luck with spray can stuff, I used dupli-color paint shop laquer in the quart can on my outboard, looked beautiful for about 6 months, guess something went wrong with the clear coat and became blotchy, I've seen some...
  12. J

    advice needed on transom Rebuild

    Hey guys, hope you can give me some advise, I have a 26.5' SeaMaster WAC, I need to rebuild my transom ( let me rephrase, I hope to rebuild my transom), I can poke my finger through the inside skin and go all the way to the outside skin in some areas, around where the gimble ring was seems solid...
  13. J

    94 yamaha hydra sterndrive

    looking @ a boat purchase, boat has a 7.4L Yamaha sterndrive, I know these are no longer made, parts are still avail (pricey), however I never knew Yamaha even made a I/O, everything looks clean, only concern, while spinning the prop by hand in nuetral, the prop turns, but does not spin freely...
  14. J

    1975 johnson 70hp water pump?

    can any one tell me if just the water pump gaskets are avail for a 75 johnson 70hp, I took the housing off to replace the oil seal, but I need new Gaskets, the pump is only 5mo old! I did not see a part ref or # for just the gaskets only the plate and impeller, and housing, would a new plate...
  15. J

    99 225 head gasket ?

    this appears to have been in other threads, but just want to be certain before wasting time and $, have been observing what appears to be corrossion around the head seam, don't know if this is typical due to some kind of electrolysis, or if some thing is actually leaking, motor runs fine...
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