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  1. Texasmark

    Compression test.

    My SM for that series of engines but in the 90-125 HP category states to expect problems below 120. You have a smaller engine which may have a different crankcase design allowing for a lower limit. Even if you don't you aren't that far down so If I expected problems they would be...
  2. Texasmark

    Anyone Have Experience With A Solas Rubex Prop??

    No doubt the 4 will give you bow lift at high trim angles if you are going fast enough and don't blow out. At speed, the trim is the secret getting the bow up and wetted surface area down, reducing hull drag. I'm getting that with my Solace and once I get above 35, trim is the secret and the...
  3. Texasmark

    Thrust washer…..

    I wanted to change props and thought a visit to a boat dealer that has been serving the community for many years would be a good place to start. I went in and there must have been 50 used props sitting on shelves along the wall. I shopped around and found what I thought I wanted. Since I...
  4. Texasmark

    Anyone Have Experience With A Solas Rubex Prop??

    I bought a 4 blade Solace SS prop for my boat dropping from a 3 blade bass boat prop (Mercury Laser) at 20"P to the 19" Solace. All the things you hear about with 4 blades are true with my Solace. I lost about 2 mph top end, trading 47-49 for 44-46. I did it because I wanted what a 4 blade is...
  5. Texasmark

    Black flakes

    Got any black foam insulation or flotation material? A possibility would be something rubbing on the above scraping off chips.
  6. Texasmark

    1992 Mercury 3Cyl 60Hp Oil Injection

    I decided to go premix with a 2002 Merc. 90. I pulled the oil pump to access the drive gear-shaft, removed it and reinstalled the pump. I left the oil that was in the tank there ....could have disconnected the low oil alarm but didn't feel like it. That's it. Worked fine.....and put a notice...
  7. Texasmark

    Propeller Interchangeability

    Cupping is said to add 1" to the pitch of the prop, obviously putting more load on the engine. Cupping is necessary for high trim angles where the tip of the blades are close to the surface.....gives you grip where otherwise you might have a blowout and loose speed rather than gain. My 2c.
  8. Texasmark

    Mercury 115hp

    Like Racer said, its for monitoring engine block water temperature or pressure. Some folks like pressure monitoring as an aid to keep tabs on how well the impeller is working, especially for long trips. I use it for temperature monitoring as that is what interests me. Since you have no...
  9. Texasmark

    does this prop seem "reasonable" for this combination?

    Using your RPM upper engine spec as a limit, toss it on and see what happens. If it works good unless you are alone and it wants to over rev., you know where the throttle control is located. Grin
  10. Texasmark

    Speed Plateaus at 5200rpm

    Its not necessarly "the extra blade". Its a completely different design with a different desired outcome.....stern lifting with the 4 blade, getting the ass up and minimizing drag, or bow lifting raising the bow (at speed) to get the wetted area reduced.....in the Solace tutorial and when you...
  11. Texasmark

    better to be at the low end or top end of RPM?

    I have half a dozen sitting around, Laser, Ballistic 22 and 24P, Solace, all 3 blade SS, and a pile of 3 and 4 blade Hustler high performance aluminum in 3 and 4 blade. Since I gave my 90 and rig to the local fire-rescue that had no boat to police a local town lake, I had props left over from...
  12. Texasmark

    72 glastron/General boat question..

    I commented on this with a like but I'm having a concern. There are several types of "splash wells" that catch the back wash that sometimes comes over the transom, especially 15" transoms either from rough water following seas, or by the boat being operated at reasonable to high speed and the...
  13. Texasmark

    Been here just an awhile but I’ve noticed……that

    Some do, some don't. Seems the more time you spend with a person the more they share the experience and the conclusion.
  14. Texasmark

    1974 Invader Boat Company Giddings texas interior logo

    I didn't know they were made in Giddings, Tx. Boats were popular as they were reasonably priced and served their owners well as I could see/hear. Learn something new every day. So we had Invader, Lamar, on the Gulf freeway in Lamar,Tx on the way to Galveston, Glastron fiberglass in Austin...
  15. Texasmark

    Interesting new on the water fail

    When I was a kid we had to do that more frequently than desired. The trick i used was to ensure that you had a long fuel line, clear was always preferred but seldom available back then and suck hard for half a second and immediately jerk the hose to the side out of your mouth and pointed to a...
  16. Texasmark

    72 glastron/General boat question..

    The usual deck drain hole is a brass tube. The metal-mechanical part of the "ribbed rubber" plug is adjustable for a snug fit on varying drain tube dimensions....within a certain range. Did you verify that the top plug is the splash well drain? Are there any visible flotation mechanisms...
  17. Texasmark

    72 glastron/General boat question..

    Wally world has pugs in the sporting goods dept specifically made for the bilge drain...lower hole. Leave the upper hole open and for identification purposes of this upper hole, look into the splash well in front of the engine and you should see it (from the inside), verifying that it is the...
  18. Texasmark

    better to be at the low end or top end of RPM?

    Running low (end of the power band) RPMs with a loaded engine puts excess strain on the moving engine parts and on non fuel injected engines, causes more fuel consumption......intake manifold vacuum is high sucking fuel harder. HP is developed with torque and RPMs. 4 strokers usually have...
  19. Texasmark

    Speed Plateaus at 5200rpm

    Solace has a tutorial on their www explaining why you would use a 3 or 4 blade and the effects built into the blade design. As others have said, a 4 blade is to get a heavy ass up which reduces load on the engine and increases speed and a 3 blade is to get the nose up, reducing wetted surface...
  20. Texasmark

    Hooked up my battery with the wrong polarity

    The older you get you will notice an increase in "brain farts". Ask me, I'll tell you all about them.
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