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  1. Texasmark

    Do you ever use a DVM and are considering a new one?

    This is not financially motivated on my part. Listen up (if you choose d:) ). I'm retired and don't work for anyone, already have mine so what you do about this is your business. d:) I have a pretty good sized shop to take care of my farm toys....and the boat. Most of the equipment I bought...
  2. Texasmark

    Modifying existing Pee function.

    As I mentioned a couple of days ago (OB non repair disc), boy's 150 BM has the pee routed from the output of the stats (2). That forces you to wait for pee till the stats open.....not good. Found out that the (a) 200 hp BM has strong pee from the start and after talking with the owner...
  3. Texasmark

    Gear Ratio Difference Question

    We were over there talking about 2 vs 4 cycle torque on another thread and the question of gear ratio's came up. My natural curiousity got tweaked again so here is the question. I have a 90 hp 3 cyl Merc. I noticed the same numbers on the older I6 Merc engines. The gearbox is 2.3:1, as is...
  4. Texasmark

    Still Hammering on the 2-4 Cycle Thing

    Ok, have both engines. Both run about the same rpm's and both have about the same cubes....per the sales brochures. Torque x rpm's and a little fudge factor = HP. So if the 2 smacks every rev and the 4 smacks every other rev, and both have the same cubes and rpm's something has to be...
  5. Texasmark

    Hey Kenny

    Got this POS Hustler 23" alum sitting on the shelf. Boy-son is running a 21" Turbo II on a Pro craft 18' with a Merc 150. If you haven't seen a Pro, they are deep v front smoothing back to a padded arse with lifting strakes to the side (with hull steps) and the typical BB setback step in...
  6. Texasmark

    Quietness of 4 vs 2 cycles.

    Was reading on the "Optimax vs 4 stroke" thread where the 4 strokes are much quieter than the 2's. Having had a 4 cycle I/O I can attest to that fact, but it may have been due to the engine cover's insulation. I know on my engines, even though they have a cowling with foam and a plastic...
  7. Texasmark

    More on Black Max. Water discharge this time

    Seems on these V6 Mercs, the water from the heads exits via the thermostats, once they open (120F); that is, the water that's not diverted to cool the exhaust manifold which is there always; has to be or you would burn it up. So they have a 3/8" tubing arrangement that sums the output of these...
  8. Texasmark

    '95 150 Black Max therm sensor observation/wiring error.

    Was looking at the wiring on this engine; safety sensors in particular (oil/over temp). Saw a tan/blue stripe wire from the over temp sensor on the starboard bank of cylinders (head/water jacket cover) that went to a junction box and then thru the output engine connector to the warning horn...
  9. Texasmark

    Hello Mr D Hadley

    Morning D. Just came from the prop section and you were talking to a guy about engine height on a smaller hp outboard. I have observed many engine heights in the sales brochure pictures in the old-omc de/ site and they (anti-vent plate) all seem to be roughly an inch below the hull. Beins you...
  10. Texasmark

    Got something nawin on me

    Was trying to go to sleep awhile ago. Couldn't. Reason was these new hubs that folks are talking about. Been told that you have to torque it to 100 ft-lbs to get the Delrin to fully seat against the thrust washer. Delrin is a semi soft plastic; used in the aerospace industry (among other...
  11. Texasmark

    Ok you old salts...Merc question

    Was surfing old Merc sites. Question came to mind. Back when the first tower came into being it was a 60 hp and 99.4 cu in (as I recall). That was '57 or somewhere around there. 25 years later the same powerhead is putting out 150 hp with the blue band, with the old hp ratings (brake hp just...
  12. Texasmark

    Couldn't believe my eyes.

    Was leaving the lake yesterday and this toon was launched by 2 middle aged ladies and a gent. Know not who owns the boat.......I think one of the ladies (and her husband owned it) and her husband usually does the driving but apparently wasn't aboard. They got it launched and beached. All...
  13. Texasmark

    Posted Octane Numbers

    Just got back from a trip thru New Mexico and Arizona. On the northern leg of the trip I noticed the gas pumps dispensed 86 and 88 octane fuel whereas I am used to 87 and 89 in Texas, which is also what they dispensed in the lower parts of the two states. Since my outboard and truck run on...
  14. Texasmark

    Trivia. George C. Scotts Boat MOJO Accident

    Some time ago someone showed us a pic of what was said to be George and wife exiting the Columbia river in NW USA into the Pacific in the MV MOJO. This huge (normal for that area with what I hear) wave smacked them and pitched the bow up at about a 45 degree angle......this is a 65 ft boat...
  15. Texasmark

    Hey Kenny

    Help me on this ole buddy. Was playing some more over at the Merc Prop site and gave them a set of parameters. They came back with a High 5 at 12 3/4 x 24P or a Trophy + 13 3/4 x 24P (4 blade). Confused as to why the inch drop in diameter when upping the blade count for the same set of...
  16. Texasmark

    Boy I'm really confused now

    It's raining outside 8) 8) 8) 8) (drought is busted!!!) and have nothing to do so I'm surfing. Over at the Merc prop selector site and put in all my data. Currently running a 24P at 5600 rpm's. WOT upper limit for engine is 5500 (big deal). So Merc comes back with a 4 blade Trophy + at...
  17. Texasmark

    Iboats props going fast

    When they say limited time offers they mean it. I bought my last 2 props off here at a great savings and they said limited time offers. Today I looked again (really looking for one of Kenny's new props.....Enertia I think they call it) and the top two props for my engine 23 and 24P are no...
  18. Texasmark

    Moderator Intervention time......PWC conversations belong on PWC page, not boats

    Like I said, things were quiet and pieceful here till a puke came over here looking for sympathy because he pulled one of the PWC stunts and turned in front of a boat. Well he didn't get it and the place has been an uproar. Time for some serious supervision to takeover!!!!! Mark
  19. Texasmark

    Hey Kenny, More Trivia

    I was just reading one of your replies and got to stareing at your propeller. At first glance it was turning cw. But after staring at if for a few seconds, I could look on the right side and it was still turning cw. Moving my eyes to the left side I could make it go ccw or cw. d:) No I...
  20. Texasmark

    For Those Wanting to Get Technical

    Was over at www.mercurymarine.com awhile ago brousing through Chapter 4, Propeller technology. If you haven't been there and want to know all the why's and wherefor's in designing propellers this must be the place. Very comprehesive d:) Gotta laugh here. In their dissertation, they mention...
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