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whitch engine

  1. #1
    Member my70455's Avatar
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    Smile whitch engine

    so i got a 74 southwind 18 foot it has a 455 someone pieced together it has 403 heads on it .
    I have a 455 out of a 69 toronado hooked to a 4 speed and a posi .
    It smokes the tires at will . I think im going to pull it and put it into the boat

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    Senior Member 1975sleekcraft's Avatar
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    Quote Originally Posted by my70455 View Post
    . I think im going to pull it and put it into the boat
    minimum you will have to buy a 10qt pan...hopefully you have 4 point engine mounts in your boat(10 qt pan will not fit if you have the three point mounts)
    i have been running olds for 10 seasons now...
    don't run it too much past 5000 rpm's

    watch your oil pressure gauge.....

    the problem you will have is all your oil will be in your valve covers at higher rpm's...........................

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by my70455 View Post
    so i got a 74 southwind 18 foot it has a 455 someone pieced together it has 403 heads on it .
    I have a 455 out of a 69 toronado hooked to a 4 speed and a posi .
    It smokes the tires at will . I think im going to pull it and put it into the boat
    Excuse my curiosity but are you sure that motors from a Toronado ? as most as I can recall were front wheel drives ? if its from a FWD It would have likley may have a special oil pan , could be wrong also suspect if its the original motor its likley a 400 cu , still might be good piece Tom

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    CAPTAIN KRYLON
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    Toranado pan is a little deeper. Holds about a quart more. If you have room for it. It is a step up.

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    Member my70455's Avatar
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    its a 455 i had it apart when i got it . i put forged pistons and a cam
    I put restrictors in the oil passages and its got the toro pan on it

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    Member my70455's Avatar
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    and i opulled it from the toro myself

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by my70455 View Post
    and i opulled it from the toro myself
    Probably my mistake I worked at Oldsmoble in 71 never saw one with a 4 speed but they did come with 400 or 455



    1969 Oldsmobile Toronado
    1969 Olds’ Toronado saw another restyle, with changes that added a longer rearend designed to visually balance the long front end. Still offered as Oldsmobile’s only front wheel drive car, the ’69 Toronado started with a base price of about $4835.00 and could be purchased with the standard 375hp motor or the 400hp 455 V8. New was a vinyl roof option, which added a more executive look.

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    Jackwagon Patrolman Rexone's Avatar
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    Engine may not have been in the toronado when coupled to the 4 speed, perhaps a different car. Pay attention to oil control (pan), its much different in a jet boat than a car. And consider that the motor isn't running flat out at 5K in an average car either. Much different situation, which defines the demise of many an Oldsmobile used in jet apps in the past not properly prepared for it in terms of oil control and management.

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    Senior Member Widetrack's Avatar
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    I always wondered?? If an Olds doesn't like the high RPMs of a jet boat why not put a large impellor in and keep the high revs down! Those motors made good TQ so they should pull a large impellor well!


    SOMEONE SAID YOU CAN'T TAKE IT WITH YOU! SO,IM BURNING IT UP ONE GALLON AT A TIME!
    WT

    WFL Crew!!!

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    Senior Member 1975sleekcraft's Avatar
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    Quote Originally Posted by my70455 View Post
    its a 455 i had it apart when i got it . i put forged pistons and a cam
    I put restrictors in the oil passages and its got the toro pan on it
    i know $400.00 for a pan sounds like alot...BUT...it is the best investment you can make on an OLDS!!!
    the difference between one or two boating trips------------or many good seasons-----------

    auxiliary head drain backs to the pan will work too........

    as Rexone said...being in a car and being in a boat are two different animals...
    before i knew about olds...i tried the same thing...IT LASTED 5 MINUTES........

    i was told to run mine a quart high...10qt pan, 1 in the filter, and one high...i run a full case. have been for 10 years now. most dependable boat i have ever owned.....................

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    I ran a 425HP Toronado engine in my 18 foot Elim, did all the mods and that was the little engine that could! Ran the piss out of that thing and it never gave me any problems except water reversion at first, once I figured that out she was a runner.

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Widetrack View Post
    I always wondered?? If an Olds doesn't like the high RPMs of a jet boat why not put a large impellor in and keep the high revs down! Those motors made good TQ so they should pull a large impellor well!
    GOOD observation WT, we for always opt for the biggest Impeller that motor will pull ! BTW FWIW when I worked for Old 71 thru 74 we even had oil system related failure in the Cutlass , 442 (specialy the 4 speed guys), and even Vista Cruiser wagons Tom

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    Senior Member 1975sleekcraft's Avatar
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    Quote Originally Posted by Oldelmn8tr View Post
    I ran a 425HP Toronado engine in my 18 foot Elim, did all the mods and that was the little engine that could! Ran the piss out of that thing and it never gave me any problems except water reversion at first, once I figured that out she was a runner.
    good luck!!!!
    i just hate all the bad publicity with olds...would love to hear another success story...they are far and few between...i personally have never heard of anyone getting away with a car pan and running 5000rpm's for any time...one guy last year at Mardons had a car pan on his olds. i freaked out and told him to get the bigger pan. he told me he had been out all year with the small one. assured me he runs it hard all the time. needless to say, he smoked his motor on the way back to the beach........

  16. #14
    Jackwagon Patrolman Rexone's Avatar
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    Default On the subject of a good pan

    I would caution (in any engine not just Olds) against running the oil level high (above the windage tray). What happens is the crank picks up the oil and foams it up, resulting in loss of oil pressure. Keep the oil under the tray (whatever level that is) and things stay much happier.

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