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'68 383 vs '76 440 motor home engine
#783864
08/25/10 01:01 PM
08/25/10 01:01 PM
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Joined: Mar 2005
Posts: 170
Western., NY
sco440
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Looking for a big block for my 71 RR clone. Found a '68 383 with 727 with 88,000 miles for $400 obo. Also found a '76 440 with 727 from a motorhome with 80,000 miles, $700 Both are still in the vehicles and I have heard them run. Both sound fine. I don't plan to do anything crazy with either, just different cam, headers, Eddy performer intake, and Eddy carb. They will go in a daily driver cruiser to replace the 318. I just like the power and torque of a bigblock. Which would you choose? Thanks
'72 Road Runner
'72 Dart Swinger 340
'12 Challenger R/T
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Re: '68 383 vs '76 440 motor home engine
[Re: Mr.Yuck]
#783867
08/25/10 01:23 PM
08/25/10 01:23 PM
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Joined: Mar 2005
Posts: 170
Western., NY
sco440
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383 is out of a '68 Newport so I assume it is a 2 barrel. it is $400 obo actually has 115000 miles been off the road since '91. Little puff of smoke when started, but runs fine. The motor home engine seems firm on $700. I really want something I can just put in. I'll change the intake, carb and headers. Don't really want to get into a lot of work trying to get hp out of a '76 440, when I could get enough out of the 383 with less work.
Last edited by sco440; 08/25/10 01:38 PM.
'72 Road Runner
'72 Dart Swinger 340
'12 Challenger R/T
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Re: '68 383 vs '76 440 motor home engine
[Re: sco440]
#783868
08/25/10 02:02 PM
08/25/10 02:02 PM
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Joined: Jan 2003
Posts: 75,098
A Banana Republic near you.
JohnRR
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I Win
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A Banana Republic near you.
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Quote:
383 is out of a '68 Newport so I assume it is a 2 barrel. it is $400 obo actually has 115000 miles been off the road since '91. Little puff of smoke when started, but runs fine. The motor home engine seems firm on $700. I really want something I can just put in. I'll change the intake, carb and headers. Don't really want to get into a lot of work trying to get hp out of a '76 440, when I could get enough out of the 383 with less work.
you won't be able to bolt the motorhome trans in your car so it's $700 for just an engine in this case, the 383 looks like the better deal.
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Re: '68 383 vs '76 440 motor home engine
[Re: Commando1]
#783870
08/25/10 02:35 PM
08/25/10 02:35 PM
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Joined: Mar 2005
Posts: 170
Western., NY
sco440
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I didn't know the transmission would not bolt in from the motorhome. He wants $550 for just the motorhome engine, but what needs to be changed for it to fit.
'72 Road Runner
'72 Dart Swinger 340
'12 Challenger R/T
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Re: '68 383 vs '76 440 motor home engine
[Re: Dodgem]
#783873
08/25/10 02:51 PM
08/25/10 02:51 PM
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Joined: Mar 2005
Posts: 170
Western., NY
sco440
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Since it's a '68 383, won't it need hardened valve seats? What does that run?
'72 Road Runner
'72 Dart Swinger 340
'12 Challenger R/T
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Re: '68 383 vs '76 440 motor home engine
[Re: sco440]
#783874
08/25/10 03:28 PM
08/25/10 03:28 PM
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Joined: Jan 2005
Posts: 12,424
Kalispell Mt.
HotRodDave
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If the motor home has motor home heads they are a pain to deal with, flow very puny and should be switched out. Some of the trannys fit fine, just have to check. If it has a useable trans and heads the 440 is a good deal.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: '68 383 vs '76 440 motor home engine
[Re: sco440]
#783878
08/26/10 11:40 PM
08/26/10 11:40 PM
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Joined: Dec 2008
Posts: 2,782
USA
JoesMopar
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I just picked up a 383 for $150, no trans though.
It's a '70 4bbl engine, complete, but will need a rebuild. It's out of a '70 station wagon.
I think I stole it for $150, plus, I have a newly rebuilt and beefed up 727, all the HP parts to swap onto the 383, bigger radiator etc. So it wasn't like I have to buy alot of stuff to go big block. Basic rebuild, check the block, crank, rods, rebuild the heads, etc. I will buy new KB pistons, cam, timing chain (double roller), rod bolts etc. But it shouldn't cost more than $1500 and I'll have a 383 with all the power I will use it for.
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Re: '68 383 vs '76 440 motor home engine
[Re: 69L78Nova]
#783881
08/27/10 12:49 AM
08/27/10 12:49 AM
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Joined: Feb 2003
Posts: 10,234
Someplace you aren't
SomeCarGuy
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Go with the 383.
You said it is a DD, so think MPG.
Coming from a car, you should get most or all of what you need to make it go. Be sure and change the timing chain while it is out and easy to do.
I'm thinking 300 is a fair price for everything. A 383 is worth very little but if you truly get everything you need then it isn't a bad deal at all.
I want my fair share
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Re: '68 383 vs '76 440 motor home engine
[Re: HotRodDave]
#783882
08/27/10 10:25 AM
08/27/10 10:25 AM
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Joined: Mar 2007
Posts: 9,336
South-Central (Sebring), FL
Commando1
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South-Central (Sebring), FL
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Quote:
If the motor home has motor home heads they are a pain to deal with, flow very puny and should be switched out.
That statement is just wrong, wrong, wrong. 
Why are they a pain to deal with???
I'll take those iron MH heads, totally reworked, over after market aluminum heads any day. Can't destroy them.
(And they flow very well without work, too)
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