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  1. M

    Some fuel consumption figures

    Hi guys, Figured I'd post my fuel consumption figures that I took about a week ago. Engine is a Mercury 1970 1150 1600cc inline 6 two stroke. Idle in gear - 7 litres/hour 35mph (60km/h) - 12-13 liters/hour 43mph (70km/h) WOT - 22 liters/hour WOT is around 6000rpm Running a 15" aluminium prop...
  2. M

    Chrysler 105 Ser#3489 (Model 1057HA)

    This engine belongs to a single mom about 200 miles from my location. For those with an atlas, she's in Bloemfontein, South Africa. I'm in Klerksdorp, South Africa. Her dad and brother are also too far away to help and have no marine engine knowledge. There are a couple of guys close to her that...
  3. M

    Inline 6 Start-up procedure videos

    OK, these movies are actually supposed to be one, but the windows movie editor doesn't support mp4 files. Luckily youtube have their own codec so you guys can watch the movies. OK, there's no cheating on these movies. I used my cell phone to film myself. So I do get the angle wrong sometimes...
  4. M

    Water pressure, Water temp and EGT

    Hi guys, Was wondering. If I want to fit a water pressure and water temp gauge to my 1970 1150, how would I go about it? Would it be possible/adivsable to simply Tee the water pressure to the top of the head where the tell tale comes out, or is there a specific plug I can use? And the same...
  5. M

    My BIG Thank You thread - 1970 Merc 1150 IL6 VVVLP+Pics

    Hi Guys, It's finally time for my big thank you thread. In this thread I'll go over the complete history of the engine, and what we did to it, and what we still have to do. I'll also be adding pics and movies of it later on, I'll explain the details later in the thread. First off - Thank yous I...
  6. M

    Taming my i6 charge voltage

    Hi guys!<br /><br />I need to get my charge voltage down on my 1970 1150 inline 6. At WOT I'm still only getting 4800rpm, but I'm blowing everything up! Toll now stands at 1x fuel pump and 2x rev counters. Hits just over 18V at WOT.<br /><br />Is there any regulator I can use aside from the...
  7. M

    How to calculate hp on an outboard?

    Hi guys!<br /><br />Had the boat back on the dam Saturday. Seems like all is finally well!!! Thanx to all the inputs from you guys. It's a bit hard to start and takes a good 10 secondes of cranking before it fires up, but all is well from then on.<br /><br />I did lift the motor 1in last week...
  8. M

    Inline 6 Bleed Restrictor re-installation

    Hi guys!<br /><br />Pulled the motor off the boat last week-end inorder to build up the transom by 1 inch.<br /><br />As I lay the engine on it's back (Spark plugs down) a small rubber insert fell out of the cowling. It's about 1/2in. in diameter and steps down to about 1/4in. Has a very small...
  9. M

    FAO: Clams/Laddies Compression

    Hi guys!<br /><br />Can you give me the compression for my '70 1150 when new and minimum?<br /><br />Thanx!
  10. M

    Will venting a prop help hole shot during water sport?

    Hi guys,<br /><br />As you probably know my '70 Merc 1150 is a bit over propped at the moment. I can get a skier out of the water and pull a tube without hassles. But a 3 person worm is a hassle. I cannot get the worm to plane. I just can't get the rpm above 2500.<br /><br />Will venting my prop...
  11. M

    Motor mount height

    Hi guys!<br /><br />Had a great week-end at the dam thanx to all the advice gathered here!<br /><br />Motor is running good, but it's over propped at this stage :( Running a '70 1150 on a 18 foot deep V hull Bowrider (9 seater if you load up the people) I'm only getting 4800 rpm at WOT on a 17...
  12. M

    Re-installing the LU Inline 6 Merc

    OK,<br /><br />I got the flywheel and stator off. The stator was painted. There was no ways it could get a decent earth. Cleaned it up a bit at the contact points to earth and added a round terminal to solid earth. Re-installed the flywheel.<br /><br />But now I'm having hassles re-installing...
  13. M

    Lil' help + brag (Pics Resized, Hit Refresh)

    Hi guys!<br /><br />I need a little help and advice with a coupla things. Motor is a 1970 1150 with a blue band LU.<br /><br />I'm getting very irratic readings from my stator. Both before and after the rectifier. I'm suspecting a bad earth? Now and then at rpm I get a nice steady 16.8-17.0VAC...
  14. M

    1970 Merc 1150 (The story is finally ending) VVLP

    Hi guys!<br /><br />Finally good news! Had the boat on the dam yesterday, and we're just about done! Thanx a mil for all the inputs from you guys!!!<br /><br />Here's the update...<br />After my last post a lot has happened and nothing has happened. I still didn't know whether I had 1150 or 1350...
  15. M

    1970 Mercury 1150 - The story continues (Pictures)

    Hi guys!<br /><br />Serial# 2839467<br />115hp 6cyl Inline 2stroke <br /><br />The saga continues.<br />To bring you up to speed, I have ordered several parts for the carbs. All havn't arrived yet, but I have received the new floats and .064 main jets. All I'm waiting for now is the new seats...
  16. M

    When did Merc change the point at which HP is measured?

    Sorry for the repost. I know I saw this in a thread somewhere, but the search engine doesn't find anything :( Even tried a simple search for Clams, and it only returns like 3 threads.<br /><br />But the question is... I read that Merc changed their point at which the measure hp. When was this...
  17. M

    Info per serial number: Merc 115

    Hi guys,<br /><br />I'd be very grateful for any info you guys can give me on the following Merc serial number<br />2839467<br />115hp 6cyl inline 2stroke 3carb<br /><br />On mercruiser it does match on the carburetors<br />My carbs<br /><br />What year was the engine manufactured?<br />I see...
  18. M

    1980s? Merc 115 Blue band Jetting and other

    Hi guys!<br /><br />Swopped my ultralight for a bowrider ski-boat on the 23rd Dec 2005. <br />Fitted a brand new Merc Blackmax 17P prop. (I got the boat with a 17P prop, was just worn badly)<br />Replaced plugs.<br />Took it for it's first test run on a nearby dam(lake) a coupla days ago...
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