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How heavy is your rear?
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   Forward Look Technical Discussions -> Transmission and Rear AxleMessage format
 
GregCon
Posted 2011-05-20 2:00 PM (#273296)
Subject: How heavy is your rear?



Expert

Posts: 2524
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Location: Houston
Complete 8-3/4 from 58 Chrysler, 212lbs.





(IMG_4151.JPG)



Attachments
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Attachments IMG_4151.JPG (198KB - 149 downloads)
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StillOutThere
Posted 2011-05-20 3:03 PM (#273306 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Location: Under the X in Texas		I use mine like a barbell for my morning workouts. In the afternoon I bolt the 900x14 tires and wheels back on for a little extra resistance. How about all y'all?
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BigBlockMopar
Posted 2011-05-20 6:13 PM (#273331 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Location: Netherlands		I moved up to SureGripped Dana60's a while ago. I'm thinking of using Dana70's instead but they're not easy to come by overhere...
Nice info Greg. That's just under 100kg.
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GregCon
Posted 2011-05-20 6:17 PM (#273332 - in reply to #273331)
Subject: Re: How heavy is your rear?



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Location: Houston		A Dana 60 is not much more weight than an 8-3/4. In fact, if you re-tube the axle with 1/4" DOM tubing they weigh about the same.
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GregCon
Posted 2011-05-20 6:20 PM (#273333 - in reply to #273332)
Subject: Re: How heavy is your rear?



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Location: Houston		Here is a 526" Hemi, aluminum heads, at 606 lbs. It has an engine stand adapter on the back so figure it would be about 10lbs less.



(DSC01082.JPG)



(440.jpg)



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Attachments DSC01082.JPG (92KB - 140 downloads)
Attachments 440.jpg (163KB - 140 downloads)
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57chizler
Posted 2011-05-20 6:34 PM (#273336 - in reply to #273332)
Subject: Re: How heavy is your rear?



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Location: NorCal		A factory '68 B body Dana 60 weighs 240 without brakes.

Edited by 57chizler 2011-05-20 6:35 PM
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dukeboy
Posted 2011-05-20 9:43 PM (#273358 - in reply to #273336)
Subject: Re: How heavy is your rear?



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Location: Big pimpin'		Put the manifolds and iron heads on that HEMI, and I bet that weight goes up around the 440...
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GregCon
Posted 2011-05-20 11:07 PM (#273366 - in reply to #273358)
Subject: Re: How heavy is your rear?



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Location: Houston		Yep. The big issue with the Hemi s the porky 'Mega' siamese bore block.

The 440 is all iron with the exception of the intake. Even the water pump and housing is iron.

Edited by GregCon 2011-05-20 11:07 PM
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GregCon
Posted 2016-12-11 12:25 PM (#528421 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Posts: 2524
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Location: Houston		Here is the latest....

A bare 400 Mopar block (226lbs.) and a Desoto 341 block w/ motor mounts (204lbs.)

Edited by GregCon 2016-12-11 12:29 PM




(400 block 226 lr.jpg)



(Desoto 341 block lr.jpg)



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Attachments 400 block 226 lr.jpg (166KB - 125 downloads)
Attachments Desoto 341 block lr.jpg (86KB - 134 downloads)
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GregCon
Posted 2016-12-11 3:11 PM (#528423 - in reply to #528421)
Subject: Re: How heavy is your rear?



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Location: Houston		Desoto block* as above 192lbs. with A488 trans, no converter - 386lbs. With converter 430lbs. So, the converter weighs 44lbs and the trans 194lbs.

* main caps are off so that's 12lbs.

Desoto 341 head with valves and springs


Edited by GregCon 2016-12-11 3:13 PM




(Desoto 341 head 64lbs.JPG)



(Desoto 341 with trans and converter.JPG)



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Attachments Desoto 341 head 64lbs.JPG (114KB - 149 downloads)
Attachments Desoto 341 with trans and converter.JPG (122KB - 132 downloads)
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ttotired
Posted 2016-12-11 4:40 PM (#528429 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Location: Perth Australia		Interesting, but I am curious, did you get the scales for a present?

I am like this with a new toy, run around everywhere, seeing what I can try it out on lol

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GregCon
Posted 2016-12-11 7:03 PM (#528438 - in reply to #528429)
Subject: Re: How heavy is your rear?



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Posts: 2524
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Location: Houston
A present? I don't get it. Oh well, in any case I bought the scale on Ebay as I recall and yes I like to weigh everything lol

I once used it to weigh a 66 Fury I was parting out....
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FourFans
Posted 2016-12-11 7:11 PM (#528442 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Are you looking for lighter or are you trying to find the most strength per lb?
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GregCon
Posted 2016-12-11 7:14 PM (#528443 - in reply to #528442)
Subject: Re: How heavy is your rear?



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Location: Houston		I'm just interested in what weighs how much.
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58coupe
Posted 2016-12-11 7:53 PM (#528444 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Location: Alaska		I am curious how much a 318 poly weighs. My 58 Plymouth originally had a 318 but I will be using a 440 or 354 hemi, (haven't decided yet) My car has the V-8 torsion bars but would love to find a set of the HD bars.

Edited by 58coupe 2016-12-11 7:55 PM
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LD3 Greg
Posted 2016-12-12 12:06 AM (#528454 - in reply to #528444)
Subject: Re: How heavy is your rear?


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Location: Ontario, Canada
58coupe - 2016-12-11 7:53 PM

I am curious how much a 318 poly weighs. My 58 Plymouth originally had a 318 but I will be using a 440 or 354 hemi, (haven't decided yet) My car has the V-8 torsion bars but would love to find a set of the HD bars.


My Regal had 952/3 bars, which were already HD, but I wanted a stiffer front end. I managed to find a pair of HD export NOS 956/7 bars. They made very little difference at all!! To install them was basically a waste of time and money.

In retrospect, there is no substitute for a sway bar or aftermarket gas shocks. Of course, no sway bar was factory available for 58 Ply or Dodge 2dr HT.

Greg
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58coupe
Posted 2016-12-12 9:02 AM (#528474 - in reply to #273296)
Subject: Re: How heavy is your rear?



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Location: Alaska		I already have a sway bar assy. from a 59 Dodge wagon I will install on my Plymouth and it also has the 952/3 bars. I just remember how well my Furys handled from long ago.
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Handygun
Posted 2016-12-12 9:02 PM (#528514 - in reply to #273296)
Subject: Re: How heavy is your rear?


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Location: STL, MO		I have the 956/7 in my 58 Ply w/a 392/518. it's firmer than buddies of mine late 50's gm&fords but that's not saying much.
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GregCon
Posted 2016-12-13 9:18 AM (#528544 - in reply to #528514)
Subject: Re: How heavy is your rear?



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Location: Houston		I think you need to go up a fair bit in t-bar diameter to see a difference. I think most of the factory bars were done to tune the car for different weights...small changes. I had used some Firm Feel bars in my old Fury and they were definitely a big difference. I didn't even have a sway bar and the car drove much more like a modern car...for better or worse.
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Powerflite
Posted 2016-12-13 3:17 PM (#528575 - in reply to #528544)
Subject: Re: How heavy is your rear?



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Location: So. Cal		My '58 Desoto handles amazingly well, and all I did was replace the rear springs with stiffer versions, add KYB gas shocks, and 70 series radial tires. I think the original rear springs are the weakest link on these cars. But my car does have a factory sway bar on it.
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