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  1. 76SeaRay

    Alpha One Welch Plug in Upper Housing

    On the Starboard Side of my upper housing of my Alpha One is a plug. (1985 MR drive SN 6908762). The parts diagram calls out a pipe fitting and a "Welch" plug. What is this use for? I am planning to bead blast the unit and re-paint. Should I remove the plug and get a new one? I should...
  2. 76SeaRay

    Must Have DIY Link Broken??

    It appears the link for Mercruiser Information is broken. It is taking me to a thread on single versus dual engine?? The Link in Adults Only does take me to Mercruiser Information.. Anybody have the same problem??
  3. 76SeaRay

    Alpha One Bearing Carrier Question

    I disassembled my used Alpha One Gen One lower unit (I don't have a serial number for it) and after looking at the bearing carrier it looks like I should replace it. My question is about the key way I found. The lower unit housing has a key way on the top and the bottom where the carrier...
  4. 76SeaRay

    Flat Glass Thickness Question

    So, this is 1976 vintage glass for windows and windshields (Taylor Made). All of the vinyl and rubber glazing I find is shown for glass that is 1/8 (0.125), 3/16 (0.1875) or 1/4 (0.250) inch. My glass actual measurements run from 0.195 to 2.01 inches. So does anybody know if this is...
  5. 76SeaRay

    Transom Glassing Opinions??

    I bonded together two layers of 3/4 inch marine plywood using Titebond III. Since I don't have much experience with fiberglass, I had a guy with lots of experience with boat fiberglassing and lots of recommendations glass in the transom wood. Given what I have read here, I am wondering if...
  6. 76SeaRay

    Bilge Pump Design??

    When I tore down the interior of my 1976 22ft Sea Ray overnighter and removed the floor and gas tank, I found that there was only one bilge pump located just in front of the engine. There was a plastic pipe that ran underneath the gas tank to a drain in the front of the boat (step down area to...
  7. 76SeaRay

    Engine Harness Mounting and Routing 5.7L

    So, I am trying to sort out how the brackets and harness gets routed on my engine. This is an older harness from what I can tell since it has a square Thunderbolt IV Ignition Module as part of the harness. It appears the shift bracket gets attached to the Starboard Exhaust Riser and the...
  8. 76SeaRay

    Manual #17 Question on Versions

    I have seen this manual listed as two manuals, Manual #17 Book 1 of 2 and Manual #17 Book 2 of 2. I also find this manual as Manual #17 but no indication of it being 2 books. Does the book without the designation include everything in the 2 book set or is the 2 book set newer and include more...
  9. 76SeaRay

    Boat Info The Library - Issue Opening Manuals

    I have been trying to open one of the manuals on Boat Info. I keep getting a message that it requires Flashplayer 9 or newer. I have the latest version installed. Any idea what is happening? Anybody having the same problem. Thanks...
  10. 76SeaRay

    Screw and Rivet Types for Aluminum

    My aluminum window frames will be back from powder coat in the next week or two. They were originally assembled with stainless steel screws. Has anyone used aluminum screws to avoid any corrosion issues? There didn't appear to be any corrosion problems with the original stainless screws from...
  11. 76SeaRay

    Your Thoughts on Kill and/or EStop Switches

    I am about to order a replacement custom panel to build up my new instrument console at the helm. So, I need to show the holes in the panel needed for switches etc.. My original panel (76 Sea Ray) did not have either a Kill Switch (with lanyard) or and EStop switch. The boat is a 22 foot and...
  12. 76SeaRay

    Mercruiser Pinout Lists/Diagram

    Anybody have the pinout on the Mercruiser 8 pin engine connector? The 9 pin list would be great too...
  13. 76SeaRay

    Lifting the Engine 5.7L - Weight

    So, I have lifted my new engine into the boat without the exhaust manifolds, alternator, starter, ps pump, and other miscellaneous parts.. Bit scary with all that weight way up in the air (gantry crane and chain hoist).. I took it back out since I am working on the new stringers in the engine...
  14. 76SeaRay

    Wet and Dry Joint Questions

    First, I have a set of OSCO wet joint manifolds that are in pretty good shape. So, have gaskets for these become more reliable, special gaskets perhaps, that significantly improve the reliability of the wet joint? Or, if you change gaskets every year, would these be serviceable manifolds...
  15. 76SeaRay

    1996 GM 5.7L Vortec Carb'ed and Thunderbolt IV Ignition Setup

    Ready to wire up my new engine build for breaking it in on a run stand. I will wire it up to my instrument panel using the wire harnesses from the boat (boat is in full restoration so wire harnesses are on the bench). I have a Thunderbolt IV ignition. What is the recommended initial timing...
  16. 76SeaRay

    Existing Canvas Snaps -- What would you do?

    I am sanding my hard top from my 76 SeaRay to spray with fresh gelcoat. Along the back edge about every 4 inches across the hard top from side to side are the old snap fittings from a camper canvas that I do not have. Should I remove them? If I remove them should the holes be filled or can a...
  17. 76SeaRay

    Triangle Coupler Question

    I have the triangle coupler shown in the picture on a 1996 GM 5.7L with 14 inch flywheel with an Alpha One drive. I am test fitting the engine with the Alpha One Gimbal Housing and Inner Transom plate in place. The tip of the coupler appears to be about 1 inch from the front end of the gimbal...
  18. 76SeaRay

    Transom Rear Engine Bolts and Mounting Alpha One Gen One

    I have seen an exploded view of parts for the rear engine mounting bolts from the bell housing to the inner transom plate. There appears to be a Design I and Design II. Can someone explain the differences? Also, is there a drawing that shows the correct stack up of the springs, felt pads and...
  19. 76SeaRay

    Engine Sensor Questions - 1996 5.7L Vortec

    Engine is a scratch built but pretty much a stock 1996 Chev 5.7L Vortec with the Xtreme Marine roller cam and roller tip rockers (yes, it is marinized). I currently have a marine Rochester QJet carb. So, getting ready to light this engine off on a run stand and need to get the appropriate...
  20. 76SeaRay

    Support Backing during cure for Fiberglass Patch

    As the old saying goes, make sure you know what is behind the hole you are cutting. The previous owner decided to cut speaker holes in the dash just behind the windshield frame. Fortunately, the guy apparently realized what he was doing after cutting into the member a little bit. He stopped...
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