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3.23's behind a 440 #59053 05/18/08 12:30 AM 05/18/08 12:30 AM
Joined: May 2004 Posts: 533 North Dakota 440abody OP mopar
440abody OP mopar Joined: May 2004 Posts: 533 North Dakota	I probably have a dumb question, but here it goes. I have a 73 Dart with a 440/727. The engine is built as follows, 30 over, balanced, a true 10.1 c/r, Eddy heads, Eddy torker II intake, Holley 770, and a Comp 275 Dual energy cam. So the question is, are a set of 3.23's in in a 742 case strong enough to last with this combination? By the way the car is 100% street driven and I live in North Dakota. It's 50 miles to get any where around here so, the 3.23's are the gear of choice/neccesity. 73 Dart Swinger 440/727 8.75 w/3.55's 34 Ford 3w coupe with a soon to be 1958 392HEMI!

Re: 3.23's behind a 440 [Re: 440abody] #59054 05/18/08 06:03 AM 05/18/08 06:03 AM
Joined: Feb 2005 Posts: 4,310 Prospect, PA BSB67 master
BSB67 master Joined: Feb 2005 Posts: 4,310 Prospect, PA	Quote: are a set of 3.23's in in a 742 case strong enough to last with this combination? Yes. It should live a long and happy life

Re: 3.23's behind a 440 [Re: BSB67] #59055 05/18/08 06:41 AM 05/18/08 06:41 AM
Joined: Dec 2005 Posts: 615 Rochester, NY D dusterdood mopar
dusterdood mopar D Joined: Dec 2005 Posts: 615 Rochester, NY	Especially with street tires.

Re: 3.23's behind a 440 [Re: dusterdood] #59056 05/19/08 11:30 AM 05/19/08 11:30 AM
Joined: Mar 2003 Posts: 18,678 Fresno, CA Jim_Lusk I Live Here
Jim_Lusk I Live Here Joined: Mar 2003 Posts: 18,678 Fresno, CA	We have well over 30,000 miles on a mild 440/4sp/3.23 8-3/4 setup that's in my son's Dart convertible. It may even be a 741 case and it DOES have the small u-joint. Never have had a driveshaft or rear end related issue with the car. Purely street driven with no traction aids (except the Sure Grip).

Re: 3.23's behind a 440 [Re: 440abody] #59057 05/19/08 11:47 AM 05/19/08 11:47 AM
Joined: Feb 2006 Posts: 1,949 land of 10,000______'s B BDS871Cuda top fuel
BDS871Cuda top fuel B Joined: Feb 2006 Posts: 1,949 land of 10,000______'s	Quote: the car is 100% street driven and I live in North Dakota. It's 50 miles to get any where around here so, the 3.23's are the gear of choice/neccesity. In that little car with the big TQ. you have, it would roast the tires with any gear you have. The 3.23s will last a long time on the street. For better hyway driving I would go with a 3.08 and it would still be an animal!!!! Snap your neck, mega G-force launch, is all I want!

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