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Elite Veteran
Posts: 769
| 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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Expert
Posts: 1740
Location: Alaska | 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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Expert
Posts: 3034
Location: N.W. Fla. | 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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Expert
Posts: 3777
Location: NorCal | 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)
Attachments ---------------- Gear Drive.jpg (46KB - 137 downloads)
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Elite Veteran
Posts: 769
| 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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Elite Veteran
Posts: 769
| Scat pack boats
Attachments ---------------- image.jpeg (193KB - 153 downloads)
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Expert
Posts: 1740
Location: Alaska | 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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Elite Veteran
Posts: 769
| 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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Expert
Posts: 1740
Location: Alaska | The angle is (using nautical terms) fore and aft with the front higher. |
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Veteran
Posts: 145
| 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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Expert 5K+
Posts: 6500
Location: Newark, Texas (Fort Worth) | 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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Expert
Posts: 3575
Location: Netherlands | 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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Elite Veteran
Posts: 769
| 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.
Attachments ---------------- image.jpeg (222KB - 162 downloads) image.jpeg (220KB - 146 downloads)
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Expert
Posts: 3575
Location: Netherlands | 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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Expert
Posts: 1740
Location: Alaska | 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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Elite Veteran
Posts: 769
| 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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Expert
Posts: 3034
Location: N.W. Fla. | 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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Expert
Posts: 1740
Location: Alaska | 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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Extreme Veteran
Posts: 371
| 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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