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#2258856 - 02/24/17 03:24 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
GY3 Offline


Registered: 12/13/13
Posts: 2142
Loc: Wichita
So exciting to see this go together!
_________________________
'63 Dodge 330
11.19 @ 121 mph
Pump gas, through the mufflers on street tires with 3.54's


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#2271980 - 03/18/17 06:21 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
killermopar Offline
pro stock

Registered: 03/13/10
Posts: 1308
Loc: Spencer NY
That is awesome great build page

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#2272231 - 03/19/17 09:15 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
JDMopar Offline
master

Registered: 01/19/03
Posts: 7789
Loc: Candler,NC / Myrtle Beach, SC
Great job on the IRS!!! bow Since all of the suspension mounting points for the control arms and stuff just moved inward a little, will you be able to use it all back without modification? If you can, and only have to shorten the axle assemblies that will be great!
_________________________

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#2274624 - 03/22/17 11:52 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: JDMopar]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally Posted By JDMopar
Great job on the IRS!!! bow Since all of the suspension mounting points for the control arms and stuff just moved inward a little, will you be able to use it all back without modification? If you can, and only have to shorten the axle assemblies that will be great!


Since the IRS frame was shortened 2.0" in the middle, the link lengths and geometry were untouched. As you stated, I should just have to have the axle shafts each shortened 1.0".
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

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#2275005 - 03/23/17 06:48 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
sparcy Offline
enthusiast

Registered: 02/21/09
Posts: 299
Loc: dracut mass usa
I love the ride height it looks wicked !!! I have a project thats ben neglected for over a year to take care of my dad . but now IM back !! and full steam !!!

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#2278109 - 03/28/17 10:46 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: sparcy]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally Posted By sparcy
I love the ride height it looks wicked !!! I have a project thats ben neglected for over a year to take care of my dad . but now IM back !! and full steam !!!


NICE! I am not a patient person so I've really had to work on my patience. I have a similar 70 Cuda build that is currently 8 years in the making. Periodic breaks can be beneficial though. They have allowed me to refocus/refresh or to gather funds to make a better build. Good luck with your progress.
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

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#2282142 - 04/04/17 10:31 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
derricklaukaitis Offline
member

Registered: 04/03/17
Posts: 4
Loc: Iowa
Awesome build! I'm in the middle of transferring both front and rear suspensions from a 2006 Charger R/T (I'll upgrade to SRT-like components after install) to my '50 Panel Van and your thread has caught my eye...

Did you bolt the rear cradle in or weld it in? Do you have any pics of how the connection points ended up?

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#2282367 - 04/04/17 04:03 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: derricklaukaitis]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally Posted By derricklaukaitis
Awesome build! I'm in the middle of transferring both front and rear suspensions from a 2006 Charger R/T (I'll upgrade to SRT-like components after install) to my '50 Panel Van and your thread has caught my eye...

Did you bolt the rear cradle in or weld it in? Do you have any pics of how the connection points ended up?


I don't have any good pictures at the moment but I will try to get some. The IRS frame was too wide so it was modified in two ways. We didn't want to modify the links/geometry. to do this, two inches needed to come out of the middle of the IRS frame. Since the differential mounts to the rear bar of the IRS frame, one inch was taken out on the outside of both the differential mounting holes. The passenger side section cuts were straight up/down on both frame bars but the driver side cut was a Z shaped cut (offset) due to some bushings. Next the 4 IRS mounting ears were cut off to fit the IRS frame between the rear subframe rails. The IRS frame will be welded in. The subframe rail will also be notched to raise the IRS frame up into the car and to allow full articulation of the links.
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

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#2282389 - 04/04/17 04:42 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
jpilone Offline
master

Registered: 02/27/06
Posts: 4055
Loc: Boca Raton, Florida
Damn!! Can't wait to see this car in driveable condition!
_________________________
-Jarrod Pilone
'70 Plymouth RR Convertible with amazing custom paint(Tribute/Recreation/Whateveryouwannacallit)
My Project Thread

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#2282961 - 04/05/17 04:08 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
derricklaukaitis Offline
member

Registered: 04/03/17
Posts: 4
Loc: Iowa
Originally Posted By 70B5Cuda
...The IRS frame will be welded in. The subframe rail will also be notched to raise the IRS frame up into the car and to allow full articulation of the links.


So you're actually going to weld it in? I've thought about the same thing, but I wasn't sure it would be good for the long run. I suppose "why not" though... I mean, they make solid aluminum mounts, so why not just take it one step further?

Can't wait to see more pictures! Thank you for posting and replying! (now if I can figure out how to get the board to notify me when someone replies to the thread... I'll be a happy man)

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#2283000 - 04/05/17 06:05 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally I wanted it to be removable but the rear frame rails will have to be cut/modified enough that it may as well just be welded in. It's not something you can just remove and go back to a solid axle. The differential mount holes are bushed so it is insulated somewhat
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

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#2283924 - 04/07/17 11:13 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
derricklaukaitis Offline
member

Registered: 04/03/17
Posts: 4
Loc: Iowa
How did you handle the rear anti-sway bar? Did you retain it or did you nix it? Or are you planning a different anti-sway bar entirely?

Just asking because the Roadrunner really needs an anti-sway bar. My '66 Charger has body roll like no other and the Roadrunner (being a bigger and heavier car) is sure to be even worse frown

I can't wait to see what you do for mounting rear shocks/springs!


Edited by derricklaukaitis (04/07/17 11:16 AM)

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#2284117 - 04/07/17 05:53 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: derricklaukaitis]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally Posted By derricklaukaitis
How did you handle the rear anti-sway bar? Did you retain it or did you nix it? Or are you planning a different anti-sway bar entirely?

Just asking because the Roadrunner really needs an anti-sway bar. My '66 Charger has body roll like no other and the Roadrunner (being a bigger and heavier car) is sure to be even worse frown

I can't wait to see what you do for mounting rear shocks/springs!


I removed the LX sway bar and will go custom later
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

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#2285322 - 04/10/17 12:53 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
derricklaukaitis Offline
member

Registered: 04/03/17
Posts: 4
Loc: Iowa
Will you toss the stock LX rear shocks/springs aside and go with standard coil-overs for the IRS?

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#2288701 - 04/16/17 10:08 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
The IRS is getting welded in so the frame rails were cut:





This is the plate that will be welded in to cap the frame rail.





Edited by 70B5Cuda (12/17/17 02:31 PM)
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

Top
#2288705 - 04/16/17 10:10 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Transmission crossmember from below:







Edited by 70B5Cuda (12/17/17 02:57 PM)
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

Top
#2288708 - 04/16/17 10:11 AM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally I was going to make the original K-frame/torsion bar setup work but I changed my mind and decided to go with Reilly Motorsports for the front suspension. The RMS Alterktion setup showed up this last week. Woohoo!





Edited by 70B5Cuda (12/17/17 02:48 PM)
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

Top
#2289176 - 04/16/17 10:57 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
Keepat Offline
mopar

Registered: 02/23/13
Posts: 433
Loc: Maryland
cool trans mount!!
Pat

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#2290267 - 04/18/17 07:51 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: Keepat]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
Originally Posted By Keepat
cool trans mount!!
Pat


Thanks Pat! Your charger has some sweet modifications as well!
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

Top
#2290269 - 04/18/17 07:51 PM Re: 1968 Roadrunner Post car w/ 6.1L Hemi & 6-speed [Re: 70B5Cuda]
70B5Cuda Offline
super stock

Registered: 07/14/09
Posts: 745
Loc: Newton, KS
In order to keep the seats low and provide clearance for the electric motors, a custom pan was made under both front seats.







Edited by 70B5Cuda (12/17/17 03:01 PM)
_________________________
Looking for a solid 70 base charger to restomod

1970 Barracuda B5 6.1 Hemi/6 speed
1970 Roadrunner V code 440/4 gear/dana 60
1969 Charger survivor in R6 383/727
1968 Charger rat rod w/ 6.1L/A518/dana 60
1968 Roadrunner w/ 6.1L/6 speed
2010 B5 Challenger SRT 6.1L/6 speed
2008 B5 Charger Super Bee SRT 6.1L/Auto
1996 Dodge Ram 2500 12 valve/5 speed

Top
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