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413 marine engine question
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Apollo 61
Posted 2019-01-15 10:27 PM (#576845)
Subject: 413 marine engine question



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I have a chance to get a 413 marine engine and was wondering what the differences are between marine/industrial engines are and a street version. Are they usable in street cars? Especially the intake?
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58coupe
Posted 2019-01-16 11:09 AM (#576870 - in reply to #576845)
Subject: Re: 413 marine engine question



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Check carefully, some of these engines are reverse rotation. If so, you would have to change the cam and distributor and I have been told the rear main seal might leak more if turned in the normal direction. What configuration is the intake and carb?
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Mopar1
Posted 2019-01-16 11:16 AM (#576872 - in reply to #576870)
Subject: Re: 413 marine engine question



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Also if history is unknown you should pass if you're near salt water or take apart. salt water will rot them from the inside out. Unless it's still in a boat & you can see a closed cooling system. If you're in middle America it could be fine.
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57chizler
Posted 2019-01-16 12:34 PM (#576874 - in reply to #576845)
Subject: RE: 413 marine engine question



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I believe the marine engines had gear-driven camshafts so, even a normal rotation engine takes a special cam; IOW, you'd have to change to a chain drive to use most aftermarket cams.



(Gear Drive.jpg)



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Attachments Gear Drive.jpg (46KB - 13 downloads)
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Apollo 61
Posted 2019-01-16 1:09 PM (#576876 - in reply to #576874)
Subject: RE: 413 marine engine question



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It's a 62 with a cast iron 2x4. I was thinking it would make a good motor for my 62 300. I just wanted to make sure that it doesn't have different bolt hole patterns,water jackets,cyl heads,or any other differences that would be a surprise. So if I change the cam and timing gears I should be OK? What about the dist? Would they be different?
I have some rare factory boat literature that has a scat pack section where you could get some interesting factory speed boats. I will post it when I get a chance.
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Apollo 61
Posted 2019-01-16 3:23 PM (#576883 - in reply to #576876)
Subject: RE: 413 marine engine question



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Scat pack boats



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Attachments image.jpeg (193KB - 24 downloads)
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58coupe
Posted 2019-01-16 4:54 PM (#576887 - in reply to #576845)
Subject: Re: 413 marine engine question



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I have a marine 440 that I will use in one of my cars, and even though it has a single 4 bbl. manifold I can't use it unless i can find an angled carb spacer. It is designed to set in about a 15 degree angle for an inboard install. Make sure your manifold is the proper angle for a car.
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Apollo 61
Posted 2019-01-16 5:08 PM (#576888 - in reply to #576887)
Subject: Re: 413 marine engine question



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The carbs are 3394s and 3393s. This angle is it left to right or up and down? I will post some pics when I get there.
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58coupe
Posted 2019-01-16 5:36 PM (#576889 - in reply to #576845)
Subject: Re: 413 marine engine question



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The angle is (using nautical terms) fore and aft with the front higher.
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NM Desoto
Posted 2019-01-16 6:59 PM (#576890 - in reply to #576876)
Subject: RE: 413 marine engine question


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You would also need the distributor / oil pump drive shaft & gear. The dist drive gear is cut opposite of the automotive version.
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mstrug
Posted 2019-01-17 5:47 AM (#576909 - in reply to #576845)
Subject: Re: 413 marine engine question



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You can install a normal cam with this gear drive. There are cheaper ones also. This unit lets you change the cam easily.

https://www.summitracing.com/parts/mil-13000?seid=srese1&cm_mmc=pla-...

Cheaper:

https://www.jegs.com/i/JEGS/555/20361/10002/-1?CAWELAID=1710916192&C...

Budget:

https://www.ebay.com/p/MOPAR-CHRYSLER-BB-383-440-Dual-Idler-Noisey-T...

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BigBlockMopar
Posted 2019-01-17 2:13 PM (#576929 - in reply to #576845)
Subject: Re: 413 marine engine question



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Why would you want to stick with a gear drive when a normal timing-chain and gear-set is much cheaper?

I have used a cast iron 'marine' intake on a '66 440 car engine for a while.
The intake also had water cooling passages which could be used.
It was also nice and low providing lots of hood-clearance.

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Apollo 61
Posted 2019-01-18 7:22 PM (#577010 - in reply to #576929)
Subject: Re: 413 marine engine question



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I wound up only getting the intake and carbs. I see the angle spacers. My question is if this is the same intake as a 62 H if remove the spacer plates? It's pretty good cond and ready to b go. Here's a few pics.




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Attachments image.jpeg (220KB - 22 downloads)
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BigBlockMopar
Posted 2019-01-19 1:58 PM (#577050 - in reply to #576845)
Subject: Re: 413 marine engine question



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There appears to be a slightly (stock) angle in the intake manifold already, and the spacers have their own taper as well, adding more angle to the carbs.
I would think the intake could be used on a car without issues if the stock 'slope' on the intake is around 5 ? degrees.
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58coupe
Posted 2019-01-19 5:59 PM (#577065 - in reply to #576845)
Subject: Re: 413 marine engine question



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The single 4 manifold on my marine 440 is about the same angle but the manifold is made that way with no spacer.
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Apollo 61
Posted 2019-01-20 1:04 AM (#577093 - in reply to #577065)
Subject: Re: 413 marine engine question



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So the angle spacers are marine only to level the float bowl because the marine motors sit at a odd angle in a boat?
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Mopar1
Posted 2019-01-20 10:19 AM (#577105 - in reply to #577093)
Subject: Re: 413 marine engine question



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Apollo 61 - 2019-01-20 12:04 AM

So the angle spacers are marine only to level the float bowl because the marine motors sit at a odd angle in a boat?
Yes. When you accelerate the bow of the boat climbs, sometimes quite high, & it could cause problems. I've seen wedges that can be used to achieve the angle using a car intake, you could reverse the procedure to use the marine intake.
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58coupe
Posted 2019-01-20 11:59 AM (#577117 - in reply to #576845)
Subject: Re: 413 marine engine question



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If you look closely at our Forward Look engines (and many other car engines) they are angled down about 5 degrees in the back and the intakes are the opposite to compensate so the carb sits level.
There are several reasons for this. One , to allow the center hump to be a little lower and to get the proper angle on the rear diff. There may be other reasons than these. I'm not an engineer.
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Stroller
Posted 2019-01-26 10:39 AM (#577403 - in reply to #576845)
Subject: Re: 413 marine engine question


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Get ahold of someone from Cuba. I have heard of boat engines being put in cars and never actually seen one untill the show "Cuban Chrome". As for me I just do not like the gear driven cam shafts unless a race engine simply because I don't like the sound of them. But it seems if an engine would accept the counter parts to it's sister engines why wouldn't it work.
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