Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344916
12/02/12 11:48 AM
12/02/12 11:48 AM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
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Posts: 12,494
Western Colorado High Desert
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Yes the difference is in the spring hangers. Why? Dodge just had to be bigger I guess.
You can use the front clip and pans from a 66-70 2 or 4 door and wagon.
Rear frames from 68-70 2 or 4 door.
Trunk pan and extensions are 68-70 Charger only.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344918
12/02/12 01:16 PM
12/02/12 01:16 PM
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Joined: Jan 2003
Posts: 2,601
Great White North
Furyman
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master
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Great White North
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The rear spring hanger box is specific to wheelbase as well.The Plymouth shackle is an inch or so farther forward ,This piece is welded to the frame rail,floor pan and rear crossmember so its not a 10 minute swap.
"Long Live Mopars"
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: QuickBpBp]
#1344920
12/02/12 04:54 PM
12/02/12 04:54 PM
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Joined: Nov 2012
Posts: 103
NorCal
fatsat
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member
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NorCal
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Quote:
I know the Vinyl top trim is also different between Dodge and Plymouth.
Is there a difference in the '70 models?
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: Furyman]
#1344921
12/02/12 08:22 PM
12/02/12 08:22 PM
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Joined: Feb 2006
Posts: 828
Winchester, In
tippytoe
OP
super stock
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OP
super stock
Joined: Feb 2006
Posts: 828
Winchester, In
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Quote:
The rear spring hanger box is specific to wheelbase as well.The Plymouth shackle is an inch or so farther forward ,This piece is welded to the frame rail,floor pan and rear crossmember so its not a 10 minute swap.
I didn't know that. Thanks !
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: fatsat]
#1344922
12/02/12 09:03 PM
12/02/12 09:03 PM
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Joined: Jul 2003
Posts: 6,342
SE PA.
QuickBpBp
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master
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SE PA.
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Quote:
Quote:
I know the Vinyl top trim is also different between Dodge and Plymouth.
Is there a difference in the '70 models?
Yes there is a difference in 68-70 B-body Dodge-Plymouth except Charger....
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344923
12/02/12 10:58 PM
12/02/12 10:58 PM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
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Quote:
Quote:
The rear spring hanger box is specific to wheelbase as well.The Plymouth shackle is an inch or so farther forward ,This piece is welded to the frame rail,floor pan and rear crossmember so its not a 10 minute swap.
I didn't know that. Thanks !
Sorry I should have stated that both front and rear hangers are an inch back on the Dodges.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: moparmarks]
#1344924
12/02/12 11:54 PM
12/02/12 11:54 PM
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Joined: Feb 2006
Posts: 828
Winchester, In
tippytoe
OP
super stock
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OP
super stock
Joined: Feb 2006
Posts: 828
Winchester, In
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Quote:
Sorry I should have stated that both front and rear hangers are an inch back on the Dodges.
Thats alright  . So in my earlier scenerio, I would be better off using a Dodge donor rather than the Plymouth.
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344925
12/03/12 02:23 PM
12/03/12 02:23 PM
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Joined: Jan 2003
Posts: 1,567
Ky
jt4406
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,567
Ky
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Good info guys!! Differences in where the rear shackle holes are would be hard to spot if replacing a rear frame rail with a donor and not knowing about it. Along the same lines, do the 68-70 plymouth and and dodges use the same roof skin/frame? and if they do, what accounts for the dodge and plymouth pop out rear glasses on post models being different?
jt
Yeah, it's hopped up to over 160...
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: jt4406]
#1344926
04/30/14 09:08 AM
04/30/14 09:08 AM
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Joined: Jan 2003
Posts: 1,567
Ky
jt4406
pro stock
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pro stock
Joined: Jan 2003
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Ky
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Hey guys, I know this is an old thread, but I never got an answer about the difference in the b body rear side glasses and still don't understand how they can use the same roof skin, windshield, back glass and door windows, and need different rear side glasses  http://www.autometaldirect.com/amd-68-70-b-body-except-charger-roof-skin-p-1012.htmlJess
Yeah, it's hopped up to over 160...
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: jt4406]
#1344927
04/30/14 10:59 PM
04/30/14 10:59 PM
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Joined: Jan 2003
Posts: 2,601
Great White North
Furyman
master
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master
Joined: Jan 2003
Posts: 2,601
Great White North
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Hardtops use the same quarter glass....coupes use different frames and glass.Even the inner steel upper panel that screws on is different between Dodge and Plymouths.The main difference between the two is the way the quarter panel is shaped at the belt line which is why the option belt mouldings and drip trough end cap moulding are different between R's and W's.Pretty minor ,but it's there.Chrysler must have had lots of money to burn through back then.
"Long Live Mopars"
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: moparmarks]
#1344930
10/22/14 11:02 PM
10/22/14 11:02 PM
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Joined: Feb 2006
Posts: 828
Winchester, In
tippytoe
OP
super stock
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OP
super stock
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Posts: 828
Winchester, In
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Quote:
You can use the front clip and pans from a 66-70 2 or 4 door and wagon.
Rear frames from 68-70 2 or 4 door.
Sorry to bring up an old thread but I had a quick question. What is the difference between the 68-70 rear frame rails and the 66-67 rear rails?
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344931
10/23/14 12:01 AM
10/23/14 12:01 AM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
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66-7 left frame has a hole for the fuel tank filler vent tube.
Also 66-7 had slots for the single fuel tank mounting strap that goes between the frame rails. 68-70 has 2 straps going between the cross members.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: Dodge vs Plymouth B-body wheelbase difference
[Re: tippytoe]
#1344933
12/21/14 03:19 PM
12/21/14 03:19 PM
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Joined: Dec 2014
Posts: 5,792
ohio
ruderunner
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master
Joined: Dec 2014
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ohio
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Hey yall, just signed up to do some research about B body wheelbase differences and it seems I found some happy news.
I've got a 69 RR with some poorly repaired collision damage from way back and lots of pinholes in the floors and rails. I just picked up a very rust free 68 Coronet 4 dr to use as a donor and was expecting to have to shorten the floor pans and maybe move the rear rails forward.
But this sounds like I should be good to go with stripping the Cnet down to the floorpan and grafting on the RR roof/quarters. Still a lot of work but I can keep the pan assembled (therefore square and level)
So just to confirm: the spring hangers (bolt on brakets) account for the longer wheelbase and maybe the shackle mounts are different?
Angry white pureblood male
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Not 117 inch as advertised, just like the 1963 Plymouth B bodys where advertised to have 115 inch wheelbases, not 116 like they had 
On another subject, most of the Dodge B body driveshafts are longer than the same year and application Plymouth driveshafts 