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Bolt-on IRS #3136998
04/10/23 05:29 PM
04/10/23 05:29 PM
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NotRussia
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2fast4yourBrain Offline OP
Whack top Dodger
2fast4yourBrain  Offline OP
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https://www.heidts.com/part/irc-810...-1970-1974-dodge-challenger-and-cuda-irs

Maybe bolt-on, but after bolting it on and checking pinion angle (and centering in wheel well), probably better to weld on that frame cover/support:



[Linked Image]

Re: Bolt-on IRS [Re: 2fast4yourBrain] #3137083
04/11/23 01:17 AM
04/11/23 01:17 AM
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jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
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Are those hubs welded steel? eek
Kinda of takes away a lot of the advantages a removal carrier.
In the pic, it looks well thought out and robust except for maybe the upper coil over mounts.
is that the design they have had for the past few years or something new?
Is it priced yet? Yes it is $9734

Last edited by jcc; 04/11/23 01:20 AM.

Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Bolt-on IRS [Re: jcc] #3137148
04/11/23 11:48 AM
04/11/23 11:48 AM
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autoxcuda Offline
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Careful with the “stock” track width

Clip——-incorrect info———clip

This is the setup Troy is working with for a 68-70 Plymouth B-body application. Some redesigning for width and wheelbase.

Last edited by autoxcuda; 04/11/23 04:05 PM.
Re: Bolt-on IRS [Re: autoxcuda] #3137199
04/11/23 03:31 PM
04/11/23 03:31 PM
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Posts: 6,085
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2fast4yourBrain Offline OP
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Originally Posted by autoxcuda
Careful with the “stock” track width

61 1/2” is NOT stock E-body track width

This is the setup Troy is working with for a 68-70 Plymouth B-body application. Some redesigning for width and wheelbase.


https://www.reillymotorsports.com/70-74-e-body-8-3-4-housing-and-axle-package-for-street-lynx.html


61-3/4" wheel-to-wheel measurement using Wilwood or Baer disc brakes.



https://www.forabodiesonly.com/mopar/threads/an-accurate-8-3-4-rear-axle-width-list.365494/

E-BODY
'70-'74= 61 5/8"




Pretty close if you ask me.


Last edited by 2fast4yourBrain; 04/11/23 03:34 PM.
Re: Bolt-on IRS [Re: 2fast4yourBrain] #3137205
04/11/23 04:04 PM
04/11/23 04:04 PM
Joined: Jan 2003
Posts: 27,466
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autoxcuda Offline
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So Cal
Originally Posted by 2fast4yourBrain
Originally Posted by autoxcuda
Careful with the “stock” track width

61 1/2” is NOT stock E-body track width

This is the setup Troy is working with for a 68-70 Plymouth B-body application. Some redesigning for width and wheelbase.


https://www.reillymotorsports.com/70-74-e-body-8-3-4-housing-and-axle-package-for-street-lynx.html


61-3/4" wheel-to-wheel measurement using Wilwood or Baer disc brakes.



https://www.forabodiesonly.com/mopar/threads/an-accurate-8-3-4-rear-axle-width-list.365494/

E-BODY
'70-'74= 61 5/8"




Pretty close if you ask me.



You’re right in the E-body. I was looking at the Flange to Flange measurement on that chart

Thier B-body was too wide for 68-70 and it’s in process.







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