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  1. jddenham

    1978 Suburban 350 dipstick/oil level

    I bought this vehicle last summer for $800. It seemed to run smoothly, had 4-wheel drive, and a tow hitch. The owner of the vehicle two owners before was in the auto body business and outfitted it with a 1991 front end and interior. At some point the motor was replaced with a used school bus...
  2. jddenham

    Solve prop problem with reeds?

    In this forum I have learned that a mediocre or poor performing setup can be improved by adjusting engine height and trim. After those adjustments are exhausted, the prop can be changed for better performance/RPM. Well according to this page...
  3. jddenham

    4 Blade vs. 3 Blade ??

    Are the claims in this ebay auction true? http://cgi.ebay.com/ebaymotors/BOAT-PROPELLER-4-BL-REPLACES-19P-AND-21P-WITH-TEFLON_W0QQitemZ180049727206QQihZ008QQcategoryZ26456QQrdZ1QQcmdZViewItem Looks like a good deal for someone wanting to try a 4 blade.
  4. jddenham

    150HP motor, 17' Boat, Prop

    Hello and thanks for reading: I bought a 1975 Mercury 1500cc inline 6 cause it was a good deal. I have a 17' boat that is rated for 135HP from the 70's. It is a V-hull, kinda performance looking style, closed bow. I am going to strip it down and do new stringers, floor, and transom. Is...
  5. jddenham

    Help !! Reverse lock linkage !!

    Howdy, I'm just getting ready to sell my merc 50HP (1976) and realized that the linkage that locks the motor down in reverse does not engage. The Seloc manual does not cover this. How do I investigate this further, and what is the common problem with this? It's been like this ever since I...
  6. jddenham

    I bought a used 1973 115HP Johnson !!

    Hi All, Looks like I will be replacing my 50HP Mercury with a Johnson: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=019&item=290030952424&rd=1&sspagename=STRK%3AMEWN%3AIT&rd=1 Going to go on my old 16' V-hull: http://www.james.denham.com/Web%20photos/boat.jpg Anyway - just wanted some...
  7. jddenham

    Transom / Keel repair !!

    Hello! I bought a 17' 'Las Vegas' v-hull for $20. I didn't see any damage when I bought it but now I have discovered a problem! The joint where the transom meets the keel has lost about an inch of material and soggy wood is exposed. I'm thinking I need to cut the transom out first, and...
  8. jddenham

    Trim, Tilt, and Jack Plate Mounting Questions

    Hello all, I just received a 1975 merc 1500 to replace my 1976 merc 500. The bigger motor has trim/tilt and smaller does not. My boat has a 16" transom and the cav plate of the 500 is about 1-2" below the keel. Knowing that the 1500 will also hang too low I purchased an adjustable...
  9. jddenham

    Switching motors - need new tach?

    Hi, I have a 1976 merc 500cc distributorless motor that I'm replacing with a 1975 1500cc distributor style motor. My current tach is a 12 pole. Do I need a new tach? If so, a 20 pole? Help!
  10. jddenham

    New prop, unexpected results

    I had a 12p on my merc 500, 16' fiberform. It was just right with 3 adults and 12 gal gas. It would tach over 6000rpm with just me and my 3 yr old. I bought a 13p off ebay and put it on. It acted like a 10 or 11p. I could only get going 10-12mph and it would over rev like crazy. Could I...
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