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  1. #1

    Default Switching motors

    Switching motors
    I want to change out my Chrysler 318 with a Chrysler 360 when did the bell housings change because mine is a 1973. How much newer engine can I put in before the bell housing changed

  2. #2
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    9,194

    Default Re: Switching motors

    Flywheel Cover! (bellhousing in the auto world)

    The Chrysler boys can verify this, but I'm thinking that the rear engine flange has been the same throughout the life of the 318 and 360!


    .
    Rick ... aka Ricardo..... AQ series Volvo Penta repair
    Portland, Oregon
    28' SDN F/B w/ twin Volvo Penta 5.7L DP's

    Please... no PMs! Post your questions on the forum.

  3. #3
    Join Date
    Nov 2005
    Location
    Chi West, IL, USA
    Posts
    764

    Default Re: Switching motors

    Quote Originally Posted by RicardoMarine View Post
    Flywheel Cover! (bellhousing in the auto world)

    The Chrysler boys can verify this, but I'm thinking that the rear engine flange has been the same throughout the life of the 318 and 360!

    .
    I believe Ricardo is on the money here!

  4. #4

    Default Re: Switching motors

    I have switched my motor from a 318 to a 360. So far no problems but my old motor did not have a water pump. An this new one does. Do I still need the impeller that's mounted to the front of the motor to draw the water out from the lake. And do I connect it to the water pump on front of the block
    Last edited by Land and sea; 09-30-2017 at 07:21 AM.

  5. #5
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    9,194

    Default Re: Switching motors

    ................
    Quote Originally Posted by Land and sea View Post
    I have switched my Engine from a 318 to a 360. So far no problems, but my old Engine did not have a water pump. An this new one does.
    You should have two pumps......
    one is an Engine coolant circulating pump, the other will be a seawater pump.
    Which one are you asking about?


    Do I still need the impeller pump that's mounted to the front of the Engine to draw the water out from the lake.
    Unless this boat is equipped with a Jet Pump or a stern drive with a built-in seawater pump....... that would be the typical means of pulling seawater into the system for Engine cooling!

    And do I connect it to the water pump on front of the block
    The OEM pump that is mounted directly to the front of the Engine is the coolant circulating pump.
    We need much more info and clarification from you!
    Rick ... aka Ricardo..... AQ series Volvo Penta repair
    Portland, Oregon
    28' SDN F/B w/ twin Volvo Penta 5.7L DP's

    Please... no PMs! Post your questions on the forum.

  6. #6
    Join Date
    Jan 2010
    Location
    Dayton, OH, USA
    Posts
    191

    Default Re: Switching motors

    Did your old motor have a dual-pocket, belt driven waterpump? If so, I don't think the circulation pump is necessary. The dual-pocket pump serves both purposes.

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