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Re: MP 3.79" cranks
[Re: 340_Dart]
#1794585
04/03/15 01:32 PM
04/03/15 01:32 PM
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Joined: Jan 2003
Posts: 4,448
Phoenix, AZ
MoparBilly
master
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master
Joined: Jan 2003
Posts: 4,448
Phoenix, AZ
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Quote:
I'm following along to hopefully learn something here. Is the 1053 a steel weak compared to 4340? Whats a used crank of either steel worth? I'd like to eventually build a 3.79" motor one day.
My 3.79 has plenty of runs on it, but has never been hurt, and is standard, so a 10/10 would certainly make it perfect, but a polish would probably do. I listed it in the parts section a while back for 350$ and got zero interest, so I don't know what it might actually "Be worth" or sell for.
"Livin' in a powder keg and givin' off sparks"
4 Street cars, 5 Race engines
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Re: MP 3.79" cranks
[Re: MR_P_BODY]
#1794586
04/03/15 03:39 PM
04/03/15 03:39 PM
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Joined: Jan 2003
Posts: 19
Sweden
sbdemon
member
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member
Joined: Jan 2003
Posts: 19
Sweden
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Yes Mr P Mopar + part numbers + casting numbers = one of the greatest and most fascinating mysteries of our time. sbdemon 
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Re: MP 3.79" cranks
[Re: sbdemon]
#1794587
04/04/15 08:30 PM
04/04/15 08:30 PM
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Joined: Dec 2005
Posts: 11,536
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,536
Fulton County, PA
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I have a NIB P4529715 dated 1992. I have thought about selling it, but if it will only bring a few hundred, I'll keep it for possible future use. As I understand, 1053 is the material used for OE steel 340 cranks and others. Not sure of the limitations of these, but I've spun stock crank 340s pretty high with no issues.
If the results don't match the theory, change the theory.
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Re: MP 3.79" cranks
[Re: MoparBilly]
#1794589
04/04/15 11:33 PM
04/04/15 11:33 PM
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Joined: May 2003
Posts: 13,185
aZLiViN
J_BODY
I Live Here
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I Live Here
Joined: May 2003
Posts: 13,185
aZLiViN
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Quote:
My 3.79 has plenty of runs on it, but has never been hurt, and is standard, so a 10/10 would certainly make it perfect, but a polish would probably do. I listed it in the parts section a while back for 350$ and got zero interest, so I don't know what it might actually "Be worth" or sell for.
great day in the morning...... Big Block Mopar Billy is joining in on a small block conversation. Will the sun come up tomorrow?? 
carry on.....
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