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356 cuin SWAP to 359 cuin
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Just popping in

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I have a 359 cuin packard engine from my salvage Packard Limo automatic. Was curious if it worth the effort to SWAP my 356 engine from my 1940 Formal, manual trans to a rebuilt 359? Any comments or suggestions are appreciated.


Posted on: 5/14 12:10
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Re: 356 cuin SWAP to 359 cuin
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As far as power I don't think you will see all that much difference at the wheels but could be wrong. With the limited availability of one year only parts specific to the 359 could that be an issue down the road? Also, if you are planning on keeping the automatic I would wonder if there is enough space for it.

In case you have not already checked it out there was an article published in 1953 on replacing the 356 engine in Clipper based cars with the senior 327 engine. I expect the steps and parts needed would be the same as the 359 would require but not sure how much might be different in a conventional body car with the different frame. The article might give you some ideas of all the different parts and conversion work that could be needed. There were also a couple of later supplements to the first article. https://packardinfo.com/xoops/html/downloads/SC/SC-VOL27NO7.pdf

Posted on: 5/14 12:30
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Re: 356 cuin SWAP to 359 cuin
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G'day Meteor56Man,
to PackardInfo.

I invite you to include both your '54 Limo and '40 Formal Sedan in the Packard Vehicle Registry.

Posted on: 5/14 19:02

Bowral, Southern Highlands of NSW, Australia
"Out of chaos comes order" - Nietzsche.

1938 Eight Touring Sedan - SOLD

1941 One-Twenty Club Coupe - SOLD

1948 Super Eight Limo, chassis RHD - SOLD

1950 Eight Touring Sedan - SOLD

What's this?
Put your Packard in the Packard Vehicle Registry!
Here's how!
Any questions - PM or email me at ozstatman@gmail.com
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Re: 356 cuin SWAP to 359 cuin
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Does the manual trans have an overdrive? If so, I would keep it (the trans at least). If the 359 is Gear-Start, the reliability of that transmission I don't know about, better ask Ross. If the 359 is regular Ultramatic, that is only a single-speed automatic (in normally recommended don't shift it yourself from low to high) with torque-converter lockup, and you may find the acceleration underwhelming, even with the greater power of the 359 (212 Hp, mostly because of increased compression and the 4-barrel carb) versus the 356 (160). Also may want to think about gearing if you switch transmissions. Both engines have hydraulic valve lifters.

Posted on: 5/14 19:16
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