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  1. 09-17-2020, 03:52 PM #1
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    Default Winterizing 2020 Supra Se

    Anything different when it comes to Winterizing the newer Supra’s? I found many videos on older boats but nothing on the newer stuff. I have always done it myself on previous Supra and Tige’s that I have owned. Thanks


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  2. 09-17-2020, 04:05 PM #2
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    Follow the Indmar Engine manual that you were supplied with the boat.


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  3. 09-17-2020, 04:20 PM #3
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    Quote Originally Posted by Stazi View Post
    Follow the Indmar Engine manual that you were supplied with the boat.


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    THIS, things have subtly changed over the years, # of drain points and locations are slightly different for some years as well as between the 400,450 and 575, but the basic premise is largely unchanged.


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  4. 09-17-2020, 08:43 PM #4
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    IMO it is much faster/easier with the closed-loop cooling than the old gm based assault engines.
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  5. 09-17-2020, 08:46 PM #5
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    Quote Originally Posted by z28ke View Post
    IMO it is much faster/easier with the closed-loop cooling than the old gm based assault engines.
    Absolutely, it’s so easy to winterize the raptors.


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  6. 09-17-2020, 10:15 PM #6
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    Thanks guys, I’ll review the manual next time I’m at the lake and before I put it to bed for the season.


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  7. 09-18-2020, 07:40 AM #7
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    I can winterize my boat in under 1 hour.


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  8. 09-18-2020, 10:57 AM #8
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    Do you guys do everything yourself regarding winterization - full service (oil change, fuel filter change, etc.) and winterize? I need to look into this and learn how to do it myself, closest Supra Dealer to me is 4 hours after my regular dealer lost their Supra license.
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  9. 09-18-2020, 11:46 AM #9
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    Quote Originally Posted by Jmm137 View Post
    Do you guys do everything yourself regarding winterization - full service (oil change, fuel filter change, etc.) and winterize? I need to look into this and learn how to do it myself, closest Supra Dealer to me is 4 hours after my regular dealer lost their Supra license.
    Yes, although was never near 300 hours to consider changing fuel filter.

    Oil change, raw water impeller and drain the raw water cooling loop, make sure ballast bags tanks and pumps are drained enough etc.


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  10. 09-18-2020, 12:07 PM #10
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    Quote Originally Posted by larry_arizona View Post
    Yes, although was never near 300 hours to consider changing fuel filter.

    Oil change, raw water impeller and drain the raw water cooling loop, make sure ballast bags tanks and pumps are drained enough etc.


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    Do you replace the raw water impeller every winterize?
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