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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781932
03/17/15 05:54 PM
03/17/15 05:54 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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CR will be around 7.5 may have the overweight rods and forged crank but is probably cast and LY rods. You will need a magnifying glass to see lobes on the cam. Heads are probably a large plug 213 casting.
All the motor home engines I have dismantled looked super clean inside with little wear, they don't normally do a lot of short trips, they get warmed up quick and stay warm for long trips, also the miles never seem to rack up much, 40,000 is normal.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781934
03/17/15 06:06 PM
03/17/15 06:06 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
Last edited by Challenger 1; 03/17/15 06:07 PM.
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781935
03/17/15 06:14 PM
03/17/15 06:14 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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Yep, forged crank  Most I have seen were cast in a 440 and forged in the 413 but it is not %100.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Motorhome 440 - Specs?
[Re: Challenger 1]
#1781936
03/17/15 06:17 PM
03/17/15 06:17 PM
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Joined: Nov 2012
Posts: 264
Farmington Hills, MI
BPBP440
OP
enthusiast
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OP
enthusiast
Joined: Nov 2012
Posts: 264
Farmington Hills, MI
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Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781937
03/17/15 06:21 PM
03/17/15 06:21 PM
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Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Chassisman
master
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master
Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
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Quote:
Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
..I ran one for fun... .533 Mopar Hyd ... Cheap 1.5 roller rockers..TM 7 intake...750 DP.. 906 ported heads...ran 12.17 in a 3300 lb Dart with driver on 87 pump gas...LOL
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Re: Motorhome 440 - Specs?
[Re: Chassisman]
#1781938
03/17/15 07:00 PM
03/17/15 07:00 PM
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Joined: Nov 2012
Posts: 264
Farmington Hills, MI
BPBP440
OP
enthusiast
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OP
enthusiast
Joined: Nov 2012
Posts: 264
Farmington Hills, MI
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Quote:
Quote:
Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
..I ran one for fun... .533 Mopar Hyd ... Cheap 1.5 roller rockers..TM 7 intake...750 DP.. 906 ported heads...ran 12.17 in a 3300 lb Dart with driver on 87 pump gas...LOL
What?! With stock pistons/compression? Put a modest top end on it and away you went? Nice.
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781941
03/17/15 08:12 PM
03/17/15 08:12 PM
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Joined: Aug 2003
Posts: 3,245
Between a rock & a hard place
cudadoug
master
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master
Joined: Aug 2003
Posts: 3,245
Between a rock & a hard place
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Quote:
Quote:
Quote:
Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
..I ran one for fun... .533 Mopar Hyd ... Cheap 1.5 roller rockers..TM 7 intake...750 DP.. 906 ported heads...ran 12.17 in a 3300 lb Dart with driver on 87 pump gas...LOL
What?! With stock pistons/compression? Put a modest top end on it and away you went? Nice.
Me too. Well, a 77 from a tuna boat car, essentially the same thing. UNTOUCHED shortblock. UNTOUCHED (OE rebuild) 915 heads, MP .509 cam, Holley SD intake, MP elec dizzy, Holley 850, 10" converter, 3.91's, 28" tall dirt track tire, same weight: 12.20's. Later with the mp .557 cam, heads ported using MP templates, and a glass hood w/sealed 6-bbl scoop, went a best of 11.64 @ 115. BEAT THE SNOT of that motor, never broke in 3+ years, HUNDREDS of street and track passes, all on 87 octane. Tired race gas once and it actually slowed down!
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781943
03/17/15 08:35 PM
03/17/15 08:35 PM
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Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Chassisman
master
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master
Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
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Quote:
Quote:
Quote:
Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
..I ran one for fun... .533 Mopar Hyd ... Cheap 1.5 roller rockers..TM 7 intake...750 DP.. 906 ported heads...ran 12.17 in a 3300 lb Dart with driver on 87 pump gas...LOL
What?! With stock pistons/compression? Put a modest top end on it and away you went? Nice.
yup...never even tore into the short block....906 were stock except i used mopar templates.... we threw some big valve 915's on it...went 12.0X all day long shifting at 5200-5400 launching at 3000 rpm... 14.5 x 32 tires with 4.56 gears...it would also float the lifters ....but that was built in rev limiter in high gear...LOL
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Re: Motorhome 440 - Specs?
[Re: BPBP440]
#1781944
03/18/15 01:52 PM
03/18/15 01:52 PM
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Joined: Jan 2003
Posts: 75,071
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,071
U.S.S.A.
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Quote:
Quote:
Sure looks like a forged crank to me. Can't really tell on the timing chain?
Like Dave said, the compression will be real low and you should put higher compression pistons it if you want any kind of performance.
The 2 360 motor home engines I rebuilt had really wore out heads on them and cracked exhaust manifolds from the heat they endure. Granted these were SB and I imagine a 440 won't work as hard.
When I was driving my parents 73 360 equipped motorhome, I would have killed for a 440.
Got a picture of the top with a piston at TDC?
No picture at TDC. I asked the seller if he had measured it. Pretty soon he'll tell me to take a hike!
The motor does look really clean. May be a good starting point for a mild build.
I think someone has been in that engine before, I don't think I've seen a motorhome 440 with a double roller chain ...
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Re: Motorhome 440 - Specs?
[Re: DaytonaTurbo]
#1781949
03/19/15 11:25 AM
03/19/15 11:25 AM
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Joined: Dec 2003
Posts: 10,938
Spokane Valley, WA
Big Bad Bee
I Live Here
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I Live Here
Joined: Dec 2003
Posts: 10,938
Spokane Valley, WA
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My cars got a motor home block. They make a great builder. I bought one that I thought I might be able to run but it was rusty in one cylinder from being left out in the rain.  my builder took it to .040 with no problem.
I’m listening.
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