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413 motorhome engine ???"s #651550
03/26/10 06:12 AM
03/26/10 06:12 AM
Joined: Jan 2003
Posts: 1,567
Ky
J
jt4406 Offline OP
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jt4406  Offline OP
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Ky
Had the opportunity yesterday to buy a 413 engine out of a motorhome. It was complete with a holley carb (looked to be one with a governor). I passed on it. It had the industrial waterpump setup on it so I figured the heads, intake, carb, exhaust, were all basically useless. It had a small diameter balancer, didn't look to be externally balanced, but not the same diameter as a steel 440 crank would have had. Do you guys know if the block, crank and rods were useful in an automotive application?

thanks
Jess


Yeah, it's hopped up to over 160...
Re: 413 motorhome engine ???"s [Re: jt4406] #651551
03/26/10 08:11 AM
03/26/10 08:11 AM
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem Offline
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Dodgem  Offline
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Ontario, Canada
What year?

Re: 413 motorhome engine ???"s [Re: jt4406] #651552
03/26/10 09:36 AM
03/26/10 09:36 AM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Challenger 1  Offline
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Cincinnati, Ohio
Where's Doc fiberglass? I bet he knows.

Re: 413 motorhome engine ???"s [Re: Dodgem] #651553
03/26/10 09:52 AM
03/26/10 09:52 AM
Joined: Mar 2010
Posts: 151
MotorCity
RC91 Offline
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MotorCity
Many of the industrial type big blocks used 8 bolt cranks like a hemi. The block, crank, and maybe the rods could be usable. The heads have 318 sized valves (1.78 Intake, 1.50 Exhaust) and the ports resemble a small blocks ports. Those motors are usually low compression, like 7:1 and rated around 160 HP.

Re: 413 motorhome engine ???"s [Re: RC91] #651554
03/26/10 10:30 AM
03/26/10 10:30 AM
Joined: Sep 2004
Posts: 15,992
RI Deep in the rust belt
chargervert Offline
I Live Here
chargervert  Offline
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RI Deep in the rust belt
I have a 413 Motor home engine,and it says 265 horsepower right on the air cleaner lid.


70 Charger R/T SE 472 Hemi 70 Charger R/T convertible 70 Charger R/T V Code Sixpack 69 Charger R/T SE Sunroofcar 68 Charger 383 68 Charger 318 71 Charger R/T 70 Challenger convertible 71 Challenger convertible 71 Cuda 340 09 Challenger R/T Classic
Re: 413 motorhome engine ???"s [Re: chargervert] #651555
03/26/10 11:09 AM
03/26/10 11:09 AM
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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StealthWedge67 Offline
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Puyallup, WA
413's are a compromise anyway because of the bore size (smaller than a 383). If you're looking for a block to rebuild with performance in mind, there's really no reason to start with anything except a 440 or 400.


LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: 413 motorhome engine ???"s [Re: Challenger 1] #651556
03/26/10 12:31 PM
03/26/10 12:31 PM
Joined: Jul 2008
Posts: 30,253
Florida STAYcation
dIc dOc Deity ! Offline
The village idiot's idiot
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Quote:

Where's Doc fiberglass? I bet he knows.




You rang ? ..

To the OP ... you passed on it ? .. how much were they asking for it? I have seen a JY asking as much as 1000$ ...and as little as 125$(with a trans) in a burned-out MH .... toasted because the Berry crab started leaking like a sieve ....and burned the front half of the MH almost to-the-ground !!!

IS this motor usable in a car .....as-is ? If you want a GRUNT motor and if you want to heavily modify the exh mans .. sure. But the entire combo is more suited to a motorhome/truck application.

Should you toss all those parts you mention? ... YEAH ... TOSS 'EM over here ! I am doing some serious R%D with this combo and am saving all these parts I can.

Are the parts that you mention worth saving? ... I say yes. Are they as good as a typical 440 HP combo ? ... probably not - as some would suggest.

But then did the smaller-bore Max-Wedge run pretty good ?

Yup ! ..



""""""""""Had the opportunity yesterday to buy a 413 engine out of a motorhome. It was complete with a holley carb (looked to be one with a governor). I passed on it. It had the industrial waterpump setup on it so I figured the heads, intake, carb, exhaust, were all basically useless. It had a small diameter balancer, didn't look to be externally balanced, but not the same diameter as a steel 440 crank would have had. Do you guys know if the block, crank and rods were useful in an automotive application? """""""""""

Re: 413 motorhome engine ???"s [Re: dIc dOc Deity !] #651557
03/26/10 12:55 PM
03/26/10 12:55 PM
Joined: Sep 2004
Posts: 15,992
RI Deep in the rust belt
chargervert Offline
I Live Here
chargervert  Offline
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Posts: 15,992
RI Deep in the rust belt
The one I have is complete,carb to pan,with trans,and it runs. The first person to put $400.00 in my hand can take it.


70 Charger R/T SE 472 Hemi 70 Charger R/T convertible 70 Charger R/T V Code Sixpack 69 Charger R/T SE Sunroofcar 68 Charger 383 68 Charger 318 71 Charger R/T 70 Challenger convertible 71 Challenger convertible 71 Cuda 340 09 Challenger R/T Classic
Re: 413 motorhome engine ???"s [Re: chargervert] #651558
03/26/10 02:26 PM
03/26/10 02:26 PM
Joined: Mar 2010
Posts: 151
MotorCity
RC91 Offline
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RC91  Offline
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MotorCity
Dodge 1971/72 V8- 413-1 4 BBL 4.188 X 3.75 7.5 to 1 265 @ 4000 445 fp @ 2400 Sodium Ex. Valves

Dodge 1971/72 V8- 413-3 4 BBL 4.188 X 3.75 7.5 to 1 238 @ 3600 407 fp @ 2000 Sodium Ex. Valves

Dodge 1973 V8- 413-3 4 BBL 4.188 X 3.75 7.5 to 1 190 @ 3200 355 fp @ 2000 Sodium Ex. Valves

Dodge 1976 V8- 413-3 4 BBL 4.188.X 3.75 7.54 to 1 175 @ 3200 325 fp @ 2000

Re: 413 motorhome engine ???"s [Re: chargervert] #651559
03/26/10 03:03 PM
03/26/10 03:03 PM
Joined: Jul 2008
Posts: 30,253
Florida STAYcation
dIc dOc Deity ! Offline
The village idiot's idiot
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Florida STAYcation
Quote:

The one I have is complete,carb to pan,with trans,and it runs. The first person to put $400.00 in my hand can take it.




In my experience .... your hand is going to be OUT THERE a long LONG time !

Re: 413 motorhome engine ???"s [Re: RC91] #651560
03/26/10 03:05 PM
03/26/10 03:05 PM
Joined: Jul 2008
Posts: 30,253
Florida STAYcation
dIc dOc Deity ! Offline
The village idiot's idiot
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Florida STAYcation
Quote:

Dodge 1971/72 V8- 413-1 4 BBL 4.188 X 3.75 7.5 to 1 265 @ 4000 445 fp @ 2400 Sodium Ex. Valves

Dodge 1971/72 V8- 413-3 4 BBL 4.188 X 3.75 7.5 to 1 238 @ 3600 407 fp @ 2000 Sodium Ex. Valves

Dodge 1973 V8- 413-3 4 BBL 4.188 X 3.75 7.5 to 1 190 @ 3200 355 fp @ 2000 Sodium Ex. Valves

Dodge 1976 V8- 413-3 4 BBL 4.188.X 3.75 7.54 to 1 175 @ 3200 325 fp @ 2000




WHERE did you come up with these #'s ?

Re: 413 motorhome engine ???"s [Re: jt4406] #651561
03/26/10 04:04 PM
03/26/10 04:04 PM
Joined: Mar 2007
Posts: 9,336
South-Central (Sebring), FL
Commando1 Offline
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Commando1  Offline
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South-Central (Sebring), FL
This can be debated ad nauseum but what it boils down to is that a 413 block is like any other BB (I said BLOCK, not engine) . No dif. The block itself: $150. Only use it as a starting point to a total budget build.

Re: 413 motorhome engine ???"s [Re: dIc dOc Deity !] #651562
03/26/10 04:06 PM
03/26/10 04:06 PM
Joined: Jun 2009
Posts: 10
ohio
2
2young2drive Offline
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ohio

Re: 413 motorhome engine ???"s [Re: 2young2drive] #651563
05/06/10 06:32 PM
05/06/10 06:32 PM
Joined: Oct 2004
Posts: 495
fresno ca
wildfish72 Offline
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fresno ca
i picked up a 413 some years ago with all that crap on it , and slapped a set of 906 heads i have laying around and a summit cam i had also a tm7 with a 150 shot of nos and man it runs pretty dam good on or off the bottle i like the motor becuase i cant git it to ping at all and i can run some shitty gas in it if im broke that week . i will say the 413 spins like a 383 but torqs like 440 , i like the motor for its all around powerband it has

Re: 413 motorhome engine ???"s [Re: wildfish72] #651564
09/13/10 11:44 AM
09/13/10 11:44 AM
Joined: Apr 2008
Posts: 223
Poplar Bluff, Missouri
partfiler69 Offline
Still Wondering
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Poplar Bluff, Missouri
I just picked one of these up, and I am wondering what can be used? I have a 2bbl 383 out of a 70 polara for parts, can I use the 413 intake on the 906 heads? This is a budget build for right now. I just want to know what to hang on to, and what to toss on the scrap trailer.


Back from hiatus
Re: 413 motorhome engine ???"s [Re: partfiler69] #651565
09/13/10 01:05 PM
09/13/10 01:05 PM
Joined: Jan 2003
Posts: 1,567
Ky
J
jt4406 Offline OP
pro stock
jt4406  Offline OP
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Posts: 1,567
Ky
Quote:

I have a 2bbl 383 out of a 70 polara for parts, can I use the 413 intake on the 906 heads?




If I understand you correctly, you want to use the 413 intake on the 906 heads MOUNTED ON THE 383, correct? I believe the 413 is an RB engine, while the 383 is a B engine. If all this is right, the intake is too wide to fit your 383.
jt


Yeah, it's hopped up to over 160...
Re: 413 motorhome engine ???"s [Re: jt4406] #651566
09/13/10 01:19 PM
09/13/10 01:19 PM
Joined: Jul 2008
Posts: 30,253
Florida STAYcation
dIc dOc Deity ! Offline
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Some people THINK that the 413 MH intake is a way-diff piece than most-any RB intake. NOT so ...

It is a little diff ... like it has COOLANT running through-it instead of exhaust heat AND that that particular manifold is way yester-tech ....

You can do muchO BESTer .. with a more up-to-date intake ...

Re: 413 motorhome engine ???"s [Re: jt4406] #651567
09/13/10 01:20 PM
09/13/10 01:20 PM
Joined: Apr 2008
Posts: 223
Poplar Bluff, Missouri
partfiler69 Offline
Still Wondering
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Posts: 223
Poplar Bluff, Missouri
I'm sorry, let me try this again. I want to take the oil pan, pickup tube, heads and water pump housing from the 383 and put it on the 413. Did I forget anything?


Back from hiatus
Re: 413 motorhome engine ???"s [Re: partfiler69] #651568
09/13/10 01:41 PM
09/13/10 01:41 PM
Joined: Jul 2008
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Florida STAYcation
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Quote:

I'm sorry, let me try this again. I want to take the oil pan, pickup tube, heads and water pump housing from the 383 and put it on the 413. Did I forget anything?




YES ... it will work .. but you can do better. Get a set of small chambered heads for more compression(the MH 413 is very weak in that area). And a set of regular 383 heads(906's?) will not help.

In this swap ... watch out for the top two ports of the water pump in the block. On the 413 - using those "goofy" heads ... these ports are more-than-likely plugged with sediment.

Re: 413 motorhome engine ???"s [Re: dIc dOc Deity !] #651569
09/13/10 01:43 PM
09/13/10 01:43 PM

A
Anonymous
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Anonymous
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A



much easier just to take a felt marker and write
"413" on the 383's valvecovers... no?

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