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  1. mr300z87

    mercruiser 7.4L engine replacement project

    With the weather report iffy today instead of spending the day on the boat in the water I found some time to work on project Sea Ray and I an happy to say things went well. Tightened up all fuel and PS fitting filled PS pump with fluid installed test battery from my 68 Plymouth. Got fire...
  2. mr300z87

    mercruiser 7.4L engine replacement project

    Update: I worked on the boat almost all day and am to the point where I need to go over all the fastener and double check to make sure everything is tight. I friend came through with a couple of 7 ft lengths of 1AWG welding cable with lugs at both ends for temporary connections to the battery...
  3. mr300z87

    mercruiser 7.4L engine replacement project

    So it has been since October that I have worked on project Sea Ray. My Invader is runing great and we have been spending lot of time burning gas in that. I am off from work this week and have set a goal to have the engine running in the Sea Ray this week. I started final assembly of the engine...
  4. mr300z87

    Gear oil in Bravo Raw water pump

    Hi all, I have finally started working on getting the engine running in my project Sea Ray (see link in signature) and am at the point of putting the raw water/fuel pump assembly together. I know that the Merc Manual says to use their 90 wt HP gear oil in the fuel pump cam cavity. My question...
  5. mr300z87

    Seat box repair and upholstery

    Not sure if the is the right forum for this but here it goes. I have owned my 1989 Invader cuddy cabin now for about 5 years and it has been a great boat. It was well cared for all its life and is mostly original. One of the issues that has been driving me crazy is the pass/port seat box...
  6. mr300z87

    New fuse block question

    Hi all, I mostly frequent the MerCruiser and boat restore forums here on Iboat, but now I have an electrical question. As part of my pre season prep, I want to upgrade some of my electrical wiring by installing a new 6 position fuse block up at the helm to power the new accessories that I...
  7. mr300z87

    Gimbal Bearing installed backward!! Removal and re install??

    So I get the dumb a## award this week. I recently installed a new gimbal bearing in project Sea Ray (bravo Drive), and installed it the same way the old one came out so the old one was wrong also :blue:. I had nothing to do with that. Well I was reading some recent threads in the this forum...
  8. mr300z87

    Water in oil and hydrolock need advise

    So here is my friends story. Friend buys a 1989 Sea Ray Sundancer 250 a few years ago. The boat had been in dry dock for a few years but it is in good condition, engine seems ok and after a brief sea trial he docks it in his back yard to start boating season 2013. He did no maintaince and...
  9. mr300z87

    mercruiser 7.4L engine replacement project

    I have been quietly lurking around, but had no real progress to show. We used our Invader almost every weekend all summer which did not leave much time to work on project Sea Ray. Now that the Kids are back to school, the weather is cooling off and the Invader is out of the water it time to get...
  10. mr300z87

    7.4L weber carb Jets

    Hi all, Now that boating season in NJ is coming to a close and my running boat will be coming out of the water soon, I am turning my attention to project Sea Ray. See signature file for link. Last night I started to dis assemble for rebuild the Mercruiser Weber carburetor I plan to use which...
  11. mr300z87

    Check out this raft of 30 boats at Tices Shoal yesterday

    Hi all, I have been a Iboater for a while but mostly hang in the engine and resto forums (that's what interest me) anyway I was out with some friends at a favorite Barnegat Bay (Central Jersey shore) tie up spot Tices Shoal and saw this Raft of almost 30 boats and thought I would share it...
  12. mr300z87

    What is normal engine operating temperature

    I meant NO offense to any one here on Iboats as all have been great over there years. I have a Bravo 1 drive, external belt driven water pump so no water pocket issue there. More concerned about this (Bravoitis), but my drive is super clean for being 25 years old as this was a trailered boat...
  13. mr300z87

    What is normal engine operating temperature

    After a month long preparation which included upgrading my steering, upgrading to dry joint exhaust, replacing circulation pump, impeller on raw pump (bravo drive external belt driven pump) and a fresh coat of bottom paint my boat is in the water and running great. We have been using it a...
  14. mr300z87

    No powers steering

    For the last couple weeks I have been prepping and upgrading my 1989 Invader in preparation for boating season. Serial #s in signature. The upgrades included replacing the old corroded warn out steering ram with with a new style ram. Last Saturday I launched the boat but because of bad...
  15. mr300z87

    Converting from old exhaust to newer dry joint exhaust

    With the water pump taken care of (see my other thread) It was time to start dealing with other maintenance and upgrades. One the items on my list was to upgrade the steering ram from a crusty, worn out older style to the new type which required removal of the exhaust elbow I decided that now is...
  16. mr300z87

    5.7L circulating pump questions

    Thanks for the reply FT. It is definetly not a BB pump as the ports are the same size as the one I took, off BB ports are larger. I thing the guy I bought it from was trying to use it on a BB because the gaskets that cam with it did not fit. I will post photos and the GM casting # when I get...
  17. mr300z87

    5.7L circulating pump questions

    Today I started my spring prep to get ready for the summer boating season, one of the items on my list is to replace the circulating pump on the front of my 88 vintage 5.7L (serial no in signature file). I purchased a low hour used OE/Merc/GM pump part # 850399-1 which is listed as the...
  18. mr300z87

    mercruiser 7.4L engine replacement project

    As promised here is the magic flying MerCruiser 7.4L. My home made gantry worked like a charm not a creek out of it. Can not say the same for the 2 old guys!!! Final prep to the boat before she get her new power plant. Lined up as best we can. Up and over she goes, I was worried that I was...
  19. mr300z87

    mercruiser 7.4L engine replacement project

    I have a small update and a BIG ONE, first let start with the smaill one. We are the proud parents of now a 14 week old Australian Shepard puppy named Oliver (Oli). I hope to bring him with us on the boat next summer. Here he is last week. He is a really nice dog, now if we can get him house...
  20. mr300z87

    mercruiser 7.4L engine replacement project

    Well here I am, another weekend and the forecast for Saturday is rain. We had a minor set back this week when came home Wednesday night I found my 10 yr old Australian Shepard, Taz had died suddenly in my daughters room :-( :-(. Totally out of no where, my daughter said she seemed fine just a...
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