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Re: 383 to 440
[Re: CYACOP]
#148478
11/10/08 05:00 PM
11/10/08 05:00 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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go with the 440, much more cubes you'll be glad you did. the ex manifolds will be moved upward(at a 45 angle) a slight bit. others will chime in. edit: mounts,bellhousing face,oil pan the same. A/C brackets different.
Last edited by RapidRobert; 11/10/08 05:17 PM.
live every 24 hour block of time like it's your last day on earth
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Re: 383 to 440
[Re: RapidRobert]
#148479
11/10/08 05:13 PM
11/10/08 05:13 PM
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Joined: Jun 2006
Posts: 5,166
CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,166
CT
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I can find 5x as many 440s as 383s for sale. And people arent asking dirt cheap prices for the 383s either unless its complete toast and needs to be rebuilt. For a running engine its hardly any more for a 440 if you shop around.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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Re: 383 to 440
[Re: CYACOP]
#148480
11/10/08 05:38 PM
11/10/08 05:38 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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440 sounds better too., 383 has a chebby vibe to it, 
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Re: 383 to 440
#148481
11/10/08 05:51 PM
11/10/08 05:51 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Intake, pushrods, and distributor from the aspect of a short block. Ex manifolds, mounts, pan bell are interchangeable
Watch the flywheel---Some 440s are externally balanced and need the appropriate converter/ flywheel
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Re: 383 to 440
#148482
11/10/08 07:41 PM
11/10/08 07:41 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Intake, pushrods, and distributor from the aspect of a short block. Ex manifolds, mounts, pan bell are interchangeable
Watch the flywheel---Some 440s are externally balanced and need the appropriate converter/ flywheel
can't use the intake or distrib from a 383. 440 distrib is taller-longer. ex manis will be the same. You might have a slight probalme w/ your old pipes. A 383 is shorter. FWIW $ for $ a 440 will stomp a mud hole in a 383.
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Re: 383 to 440
[Re: Mr.Yuck]
#148483
11/10/08 08:01 PM
11/10/08 08:01 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Quote:
Intake, pushrods, and distributor from the aspect of a short block. Ex manifolds, mounts, pan bell are interchangeable
Watch the flywheel---Some 440s are externally balanced and need the appropriate converter/ flywheel
can't use the intake or distrib from a 383. 440 distrib is taller-longer. ex manis will be the same. You might have a slight probalme w/ your old pipes. A 383 is shorter. FWIW $ for $ a 440 will stomp a mud hole in a 383.
440 push rods are longer too.
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Re: 383 to 440
[Re: MoparforLife]
#148484
11/10/08 08:35 PM
11/10/08 08:35 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
Quote:
Quote:
Intake, pushrods, and distributor from the aspect of a short block. Ex manifolds, mounts, pan bell are interchangeable
Watch the flywheel---Some 440s are externally balanced and need the appropriate converter/ flywheel
can't use the intake or distrib from a 383. 440 distrib is taller-longer. ex manis will be the same. You might have a slight probalme w/ your old pipes. A 383 is shorter. FWIW $ for $ a 440 will stomp a mud hole in a 383.
440 push rods are longer too.
I guess I didn't make that totally clear. He asked what WON't fit, and that was my answer. This is what happens when you get old. You get forgetful. You get cranky. You think you answered the question when you were thinking of something else. Well, OK.
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Re: 383 to 440
#148485
11/10/08 10:01 PM
11/10/08 10:01 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Quote:
Quote:
Quote:
Intake, pushrods, and distributor from the aspect of a short block. Ex manifolds, mounts, pan bell are interchangeable
Watch the flywheel---Some 440s are externally balanced and need the appropriate converter/ flywheel
can't use the intake or distrib from a 383. 440 distrib is taller-longer. ex manis will be the same. You might have a slight probalme w/ your old pipes. A 383 is shorter. FWIW $ for $ a 440 will stomp a mud hole in a 383.
440 push rods are longer too.
I guess I didn't make that totally clear. He asked what WON't fit, and that was my answer. This is what happens when you get old. You get forgetful. You get cranky. You think you answered the question when you were thinking of something else. Well, OK.
forgive me...I have 4 beers down and into my cough meds w/ codine.
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Re: 383 to 440
[Re: Mr.Yuck]
#148487
11/10/08 10:36 PM
11/10/08 10:36 PM
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Joined: Nov 2004
Posts: 2,825
Sk. Canada
RemCharger
master
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master
Joined: Nov 2004
Posts: 2,825
Sk. Canada
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Quote:
. FWIW $ for $ a 440 will stomp a mud hole in a 383.
Ahem,....Not in every case... 
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Re: 383 to 440
[Re: ahy]
#148488
11/10/08 11:03 PM
11/10/08 11:03 PM
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Joined: Sep 2007
Posts: 90
Columbus, Ohio
A4SixtyNineRR
member
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member
Joined: Sep 2007
Posts: 90
Columbus, Ohio
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Quote:
Another approach would be to look for a 400 and rebuild/stroke with a 440 crank turned down to 400 main size. You would have a 451 that would take original 383 accessories... and be a sleeper.
I know of someone in TN looking to unload a good 400 motor. He was offering it to me to make a stroker for my RR, but I prefer to keep my 440. 
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Re: 383 to 440
[Re: StealthWedge67]
#148490
11/11/08 12:42 AM
11/11/08 12:42 AM
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo
Too Many Posts
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Too Many Posts
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
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Quote:
Why not just use the 440 crank & stuff it into the 383.... voila 432 cubic inches in a 383 wrapper. or find a 400 block and go the 451 route. A low deck 432 will be on par power wise with a similarly built 440, and youd be able to dress it up like a 383.... #'s match & everything. Sort of the best of both worlds.
Bang for your buck, using your 383 with a 440 crank might be a good deal. But a 451 would also be great just because of the large 400's bore size plus the 440's stroke. Would give a good combo plus use your 383 intake, pushrods, blah blah blah.
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Re: 383 to 440
[Re: DaytonaTurbo]
#148491
11/11/08 03:22 AM
11/11/08 03:22 AM
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Joined: Jun 2006
Posts: 5,166
CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,166
CT
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Theres always complicated little details were a 383 can be better than a 440 but in a general case a 440 is a better starting point for a street car. Any 383 that can run high 11s with an automatic will probably be a little on the wild side and it will need deep gears. A 440 on the other hand can be pretty streetable and run 11s with factory heads. Go with more cubes you'll be happy with the torque. While I love a 383, a 440 just has more advantages. You dont need much, pushrods, dizzy, and intake wont cost you much especially if you dont care if theyre brand new or not. Buy new pushrods, a used factory intake for 60 bucks if youre not going for all out performance, and a used distributor if youre really trying to save. Even if you buy a new distributor its going to cost you maybe 200-250 bucks extra, not too bad. Plus you can sell of the 383 parts you dont need and the shortblock you have now if its not numbers matching Id say theres probably more piston choices for a 440 too to get whatever compression ratio youd like.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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Re: 383 to 440
[Re: RemCharger]
#148492
11/11/08 12:38 PM
11/11/08 12:38 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Quote:
. FWIW $ for $ a 440 will stomp a mud hole in a 383.
Ahem,....Not in every case...
ahem..yes they will. you take a stock stroke 383 and I'll use a 440. whatever your dollar amount is I will win... I've had 383's and 440 built to almost the same specs, and the 440 has always had better et. It's to hard to make up for the 57 cubic inches.
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Re: 383 to 440
[Re: 1965_PLYMOUTH]
#148494
11/11/08 01:10 PM
11/11/08 01:10 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I would go with a 400(451). especially if you are rebuilding that way everything fits just like it did with the 383
live every 24 hour block of time like it's your last day on earth
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Re: 383 to 440
[Re: CYACOP]
#148497
11/11/08 04:38 PM
11/11/08 04:38 PM
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Joined: Feb 2006
Posts: 1,949
land of 10,000______'s
BDS871Cuda
top fuel
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top fuel
Joined: Feb 2006
Posts: 1,949
land of 10,000______'s
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Quote:
Im thinking on getting a core engine and rebuilding it over time for my 71 RR. Currently has a 383 but may go to 440 depending on what extras I would need to get. My 383 currently has AC. If I go with a 440 what off my 383 wont fit other than the intake manifold? Will my exhaust manifold height be the same? Actually 440's seem to be more readily available than 383's in this area as cores. Suggestions?
Thanks
With all the stroker kits around today, why make
work? You have a 383 in there right now, and
everything works and fits right. From what I
see, you can stroke a 383 up to 496 cubes.
Then all your brackets and pumps and pullys
all still fit. And A/C is awesome on a 71 RR.
Throw a stroker kit from 440 Source, or Muscle
Motors, or even Hughes, in it and have a killer
street car that looks stock and tell everyone
it's just a little 383.
Snap your neck, mega G-force launch, is all I want!
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Re: 383 to 440
[Re: CYACOP]
#148499
11/11/08 09:08 PM
11/11/08 09:08 PM
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Joined: Jun 2004
Posts: 3,391
St. Charles, MO
wingman
Uncreative Title
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Uncreative Title
Joined: Jun 2004
Posts: 3,391
St. Charles, MO
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I was in same situation as you. I needed to rebuild the original 383 in my RR and intended to build it up a little but keep it stock appearing.
Long story short I found a deal on a 440 and spent exactly the same as if I had rebuilt my 383.
I cleaned up the old 383 accessories (air cleaner, manifolds, etc) and put them on the 440. Even kept a 383 pie tin on it to fool the brand x guys.
I don't regret it for a second! Runs way better than the 383 and looks more original than the 383 when I bought it!
1969 Dodge Coronet Super Bee 383 A4
1970 Plymouth Road Runner 440 FC7 (sold)
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Re: 383 to 440
[Re: wingman]
#148500
11/11/08 10:25 PM
11/11/08 10:25 PM
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Joined: Jun 2006
Posts: 5,166
CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,166
CT
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Most people cant tell an RB from a B anyway, even a Mopar eye has to look twice to be sure. A stroker kit from 440source is what, 1800 bucks? And you really should have the rods checked anyway, you can buy a 440 rebuild kit for like 600 and if your rods check out alright, you dont have to spend anything extra on machining. The 440 winds up cheaper than a stroker. Although a 451 will rev up quicker. I still say unless youre going for all out as much HP as you can get go with a 440. With stock rods parts wont be too much and 450 horse is easy.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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