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Thread: 1977 Spectra 18'

  1. #21
    Redeye1620's Avatar
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    Re: 1977 Spectra 18'

    OH NO what was your oil pressure & engine temp at time of distruction?
    FIVE HUNDRED AND FORTY FIVE CUBIC INCHES BABY
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    t's a budget build, the grocery budget.

  2. #22

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    Re: 1977 Spectra 18'

    Oil pressure was holding about 35-40 down from 60 at time of launch.

    Not sure of temps the sensor quit reading. Im not certain the flexplate didnt crack and snag something im hoping for the best...

  3. #23

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    Re: 1977 Spectra 18'

    And my paddle broke in half.

  4. #24
    Redeye1620's Avatar
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    Re: 1977 Spectra 18'

    I feel your pain brother. On my first test run I launched on the Sacramento river. To be safe I ran UP river in case of a break down. Sure enough 10 miles up river the jet drive seized. But I was prepared. I took 2 paddles & a friend. There we sat mid river, bright sunshine, 10 miles from the launch ramp but the current was pushing us in the right direction. It was supposed to be a 2 hour cruise & ended being an all day trip with NO BEER on board. That's when I learned to grease those zerks....& always take a supply of beer
    FIVE HUNDRED AND FORTY FIVE CUBIC INCHES BABY
    I
    t's a budget build, the grocery budget.

  5. #25
    Redeye1620's Avatar
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    Re: 1977 Spectra 18'

    Quote Originally Posted by Cosworth View Post
    Oil pressure was holding about 35-40 down from 60 at time of launch.

    Not sure of temps the sensor quit reading. Im not certain the flexplate didnt crack and snag something im hoping for the best...
    Way too low @ 35-40 for warm oil in a BBF. Mine runs 60 warm @ 160 degrees.
    FIVE HUNDRED AND FORTY FIVE CUBIC INCHES BABY
    I
    t's a budget build, the grocery budget.

  6. #26

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    Re: 1977 Spectra 18'

    Yep, out of everything I was keeping an eye on the engine was the least of my concerns. Fortunately I have all the equipment to easily pull the engine out so hopefully wont be down longer than a month depending on how backed up the machine shop I use is. I highly suspect a spun bearing.

    I will say the boat was lots of fun right up to the point of destruction, so I havent given up hope yet. Contemplating finding all the pieces to switch to a big block chevy though as I do have several sitting around (cores to be built)

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  8. #27

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    Re: 1977 Spectra 18'

    Is the spline yoke at the pump a slip style?

    I ask because I cannot take all the yoke bolts out to remove the u-joints before pulling the engine since its locked up. so ill need to pull the engine forward allowing the yoke to come free.

  9. #28
    Redeye1620's Avatar
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    Re: 1977 Spectra 18'

    Yes a slip spline goes into the flex plate
    FIVE HUNDRED AND FORTY FIVE CUBIC INCHES BABY
    I
    t's a budget build, the grocery budget.

  10. #29

    Re: 1977 Spectra 18'

    Quote Originally Posted by Cosworth View Post
    Is the spline yoke at the pump a slip style?

    I ask because I cannot take all the yoke bolts out to remove the u-joints before pulling the engine since its locked up. so ill need to pull the engine forward allowing the yoke to come free.
    Not to contradict Redeye, but most of the Driveline yokes slip out of the pump, the depth can vary, but, usually about 4 inch depth.
    Click image for larger version. 

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    It's Impossible to Lose Your Footing, If Your On Your Knees"

  11. #30

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    Re: 1977 Spectra 18'

    Much appreciated guys. Plan is to get it pulled and dropped off at the machine shop this weekend depending on the damage. Hoping the block is usable.

    I also plan to go ahead and install new tanks while the engine is out, no point in chancing a fresh engine on fiberglass debris.

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