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New member, new project. 1995 LT1 Prostar 190

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  • New member, new project. 1995 LT1 Prostar 190

    Picked this up yesterday as a project and about to get started. Overall the boat is in good condition, trailer will need some love but salvageable. Give the Gel coat a 8/10, few dings that can easily be filled and a good polish to finish things off. Interior is good, one small rip on the side. Trailer has some rust, will need new tires and a wiring harness at a minimum. After that it's time for a fresh coat of paint. Motor is where the issue is. About to tear into that now and see where the issue is. Could be simple fix or could need an entire new motor. Either way I will come out on top. I'll try and post a few pics but not sure if the forum will let me yet due to low post count.


    Last edited by Shaun R; 08-17-2014, 11:27 AM.

  • #2
    I have the same boat so can't wait to see your progress.

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    • #3
      Three and seven were at 50PSI, rest were between 155-185. Not bad considering it was a cold compression/leak down test, 600 hrs on the motor. No noise when turning the motor over so I am still hoping I luck out with a cracked head or blown gasket.

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      • #4
        Trailer is also showing its age, what's the market like for new/used single axle trailers?

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        • #5
          Any water in the oil? Check the impeller condition for a possible overheat/blown head gasket.

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          • #6
            Pulled the head last night. Looks like the water ports on 3 and 7 were clogged to the point nothing was getting through. 3 was already starting to come apart but no damage to the block, so it's time for a pull and rebuild.

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            • #7
              Originally posted by Shaun R View Post
              Trailer is also showing its age, what's the market like for new/used single axle trailers?
              Congratulations on the project and welcome aboard!

              Rambomarine.com in Alabama seems to have a pretty good inventory on used trailers; however finding the right one at the right time seems to be the challenge.

              I ended up getting a new trailer this year from phoenix trailers. Boatmate here in Tennessee will make you one as well.

              Good luck...

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              • #8
                What's the going rate for a new trailer? Wouldn't mind having a double axle now that I know the stock single axle won't fit in my garage.

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                • #9
                  Process has been slow but moving along. LT1 has been rebuilt and installed, just waiting on a hand to help with the manifolds and a new belt to come in. Only have one wire that I cannot figure out where it goes. Believe it should connect to the crank sensor but i'm not seeing it. What am I missing?

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                  • #10
                    Originally posted by Shaun R View Post
                    Process has been slow but moving along. LT1 has been rebuilt and installed, just waiting on a hand to help with the manifolds and a new belt to come in. Only have one wire that I cannot figure out where it goes. Believe it should connect to the crank sensor but i'm not seeing it. What am I missing?
                    You're correct. Attached pic should help.
                    Attached Files

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                    • #11
                      Shaun R,

                      Is there any chance that you would take a picture of the sticker directly above your belt tensioner.

                      I am interested in the number on that.

                      mgs96ps
                      Attached Files

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                      • #12
                        Great, machine shop left that part off. I'll give them a call and see if they have it laying around. And I'll take a picture of the sticker next time I'm out there.

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                        • #13
                          Is the balancer and timing marks keyed on the LT1 marine motor? I know they are not on the autos and it looks like I need to pull the balancer to install the one bolt on the crank position sensor.

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                          • #14

                            Balancer bolts to hub and hub presses onto crank snout with a keyway for alignment.



                            If the machine shop tossed the crank sensor holder it's going to be tough finding a replacement.
                            Last edited by blackcreek; 10-03-2014, 07:40 AM.

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                            • #15
                              No I got the senson holder back, but the bottom bolt on the bracket requires me to remove the balancer to install. I have a feeling that I will just notch that bracket so that I can slide it down over the screw and then tighten it up. I do feel better knowing that it's notched as the auto LT1 does not use the same sensor and the balancer is neutral. Thanks all, and I will get you the requested pic this weekend, mgs96ps

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