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Old 04-08-2004, 01:59 PM
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440 in 1971 Scamp?

Hi Guys,

I was wondering if a 440 Chrysler would fit in a Plymouth Scamp 1971. One of my friend is toying with the idea, and he needs to know if this is possible without big modifications like moving the steering column etc...He would like to be able to, but doesn't wanna be abligated to destroy the whole body (cutting fenders) or moving original parts like steering column, cross member,etc...He's looking into this as he wants power, but doesn't want to spend the bucks to find a 340 since it might be cheaper to go for the 440 instead.

Any thoughts appreciated.


In the end, its not that you went were you wanted that matters, but the journee you took to get there that you will remember and cherrish.

Based on Homer's Philosophical writings.
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Old 04-08-2004, 03:07 PM
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yeah, it will fit but it's tight. You can get specialty headers, I know there are ones for 383's anyway that will allow you not to have to cut the inner fenderwells for clearance.

If it's a six you will need to locate a v-8 cross member or look into schumacher conversion mounts. I have only done the 6-v/8 small block swap, not quite as tough as what you are proposing.

Everything that is "weak" will have to go too, that means the trans and rearend, most are 7-1/4" rears which means locating the correct driveshaft length once you swap to a different rear, 8-3/4 preferably, 8-1/4" is ok too, one of many nickel dime things you will encounter.

Never heard of having to move the steering column either.

All 71's have small bolt pattern wheels too, which means a disk brake swap and rearend swap will require larger pattern wheels(you can get small pattern stuff but why?).

So while there may not be any cutting involved(trimming here and there for sure) it's a tremendous undertaking that should be seriously thought out before diving into it.

You may have a hard time hooking up airconditioning too, if you are going for the original look. A-Body big blocks never came with air because there was not enough room under the hood for a chrysler a/c compressor.

360's are plentiful and cheap and will make plenty of power for a light car like a Scamp. I swapped a 360 into my 73 Duster and it runs great, not like a big block of course but I still have factory air!

Why bother with the 340 anyway? It's 20 cubes smaller
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Old 04-08-2004, 07:19 PM
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beware of the torsion bar mounts, notorious for rotting out and the extra weight of a big block might just put them over the top.
BSE Racing Engines
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Old 04-08-2004, 08:09 PM
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Gold seems to have covered all the bases. I agree competely that it is gonna be alot of work. I remember once reading an artical on how dodges engineers had to struggle them selves to fit the big block dodge engines into the dart/valliants. Unlike the nova and the stangs the dart/valiant never was designed around a big block so its not an easy a swap. Personally I would go with a 340/360 which are very strong engines when built right and save you self alot of headaches.
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