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Old 03-16-2012, 12:52 PM
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Powertrain for a 36 Packard 120B

Hi,

I am new to the world of restomods and looking for a bit of advice. My father and I are doing a 1936 Packard 120B (jr model). I am looking for advice on the right engine and transmission for the car.

We are looking to balance enough get up and go to make the car fun to drive with some kind of fuel economy. The factory weight of the car was ~3,600 but that included the cast iron inline 8 originally with the car. Not sure what other information you need to provide suggestions but feel free to ask and I will answer best I can.

Appreciate all suggestions and comments!

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Old 03-16-2012, 02:11 PM
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Pic of the car

Thought I would share a pic of the car for reference.
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Old 03-16-2012, 02:27 PM
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Powertrain

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Originally Posted by Jagatai
Hi,

I am new to the world of restomods and looking for a bit of advice. My father and I are doing a 1936 Packard 120B (jr model). I am looking for advice on the right engine and transmission for the car.

We are looking to balance enough get up and go to make the car fun to drive with some kind of fuel economy. The factory weight of the car was ~3,600 but that included the cast iron inline 8 originally with the car. Not sure what other information you need to provide suggestions but feel free to ask and I will answer best I can.

Appreciate all suggestions and comments!
I helped a friend build a 1932 Packard shovel nose 4 dr sedan, he put a 500 inch caddy in his. Ran great got good mileage.

Bob
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Old 03-16-2012, 02:36 PM
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Jagatai -- what kind of fuel economy would you like? Of course, more is better, but would 10 in town, 15 on the road be enough?

Pat
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Old 03-16-2012, 03:13 PM
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Bob-

The 32 was a full size Packard I assume since the Jr models came out in 35 (at least that is what I can recall from what my dad told me). So I don't think I need that much of an engine.

Pat-

You are right, more is always better. I was hoping 15 local 20Hwy. Again willing to forgo some of the thrust to get the mileage. Do you have something in mind?
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Old 03-16-2012, 04:25 PM
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powqertrain

Quote:
Originally Posted by Jagatai
Bob-

The 32 was a full size Packard I assume since the Jr models came out in 35 (at least that is what I can recall from what my dad told me). So I don't think I need that much of an engine.

Pat-

You are right, more is always better. I was hoping 15 local 20Hwy. Again willing to forgo some of the thrust to get the mileage. Do you have something in mind?
the 32 shovel nose was called a small eight. It's not so much the size of the engine, your gearing has to be matched also. Me I'm a ford guy so I would go with a SBF and AOD tranny 8.8 or 9" rearend with a 3.73 gear. something like that. I wouldn't put in the cookie cutter chev engine.JMO

Bob
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Old 03-16-2012, 07:30 PM
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Sbf

So recall I am still a newbie here so...SBF is a Small Block Ford? Any one in particular for this application?
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Old 03-16-2012, 07:41 PM
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debrajt01- Are you saying you are talking to someone to help out on this topic or that you need advice as well for yours?
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Old 03-16-2012, 07:51 PM
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Consider a 4.3 liter Chevy v6. With an OD transmission, this should easily meet your goals. Enough power to drive around, even on the highway. Consider a lighter weight rear end, like an 8.0 inch or so. There isn't so much power in the v6 that you need a heavy duty unit.

Pat
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Old 03-16-2012, 07:56 PM
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Thanks for the suggestion Pat. At 3,600 lbs will I get enough out of the V6 to enjoy the ride?
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Old 03-16-2012, 08:03 PM
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Just a quick glance around online and I do not see much of a price difference between the 350 and the Vortec V6.
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Old 03-17-2012, 08:49 AM
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Interesting post!!
Are you going to do the installation of a newer motor, transmission and rearend or are you going to have it done by someone. What's your budget?
Lots of things to consider. You have a large narrow engine bay because of the straight 8 that was stock. That's good.
With any change you'll need to change the radiator, install custom motor and tranny mounts, change out the rearend and the suspension, beef up the frame, possibly modify the front suspension, possibly rewire most of the electrical, modify the floor boards to fit a new tranny, etc.
So how deep is your wallet??
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Old 03-18-2012, 09:36 AM
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You are right about the engine bay. Long and narrow. We know that a new radiator will be needed. I assume that the capacity of the radiator will be dependent on the engine we decide to use?

As for budget, that is what we are working out right now. We have about 20K in seed money to get the car operational. So for the most part no frills. But would like to select quality parts that we can add onto in the future when upgrades are possible. Ideally, with minimal 'throw away'.

Most of the work will be done ourselves. Once I know what to use the install and modifications will be completed in our shop.
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Old 03-18-2012, 09:58 AM
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Research!! Lots of research on a project like that. Here's a link on dimensions and weights of common motors to use.
I do a lot of my searches using google images. Just type in what you're looking for and shazam a 100 links come up.
Good luck with your project.
Engine Block
http://www.google.com/imghp
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Old 03-18-2012, 09:58 AM
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How about the '55-'56 Packard 352 V8 with a Chevy auto bolted on with a Bendtsen's adapter? How cool would that be? A Packard in a Packard.
http://www.transmissionadapters.com/
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