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Type: Posts; User: mgreatrix

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  1. Spark Plug Confusion - Supra manual vs. Indmar manual

    1999 Supra Comp with Indmar 5.7L EFI engine

    Looking to swap spark plugs.

    I first referred to the Supra boat manual which states OEM plugs are AC Delco 41-932. I cross referenced to NGK and...
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    Spoke with Ron at skiboatpartsonline and he was...

    Spoke with Ron at skiboatpartsonline and he was super helpful. Highly recommend him, his business and his youtube channel for anyone looking to maintain/repair an older ski boat. Incredible...
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    Thanks Doug!

    Thanks Doug!
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    Thanks Larry! I will check in with Ron.

    Thanks Larry! I will check in with Ron.
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    Thanks h2o-ski! Will give this a try!

    Thanks h2o-ski! Will give this a try!
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    How much leaking is normal?

    Just purchased a 99 Supra Comp w/ 400 hours.

    Used it for the first time this past week. The boat seems to leak, although the rate of leakage seems to be different depending on usage of the boat....
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    Gauges - some working, most not

    Just purchased a 99 Supra Comp w/ 400 hours.

    Some of the gauges don't seem to be working. Definitely not working: fuel gauge and one of the two speedo's (other speedo seems to be working okay)....
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