Mustang II front With Cobra IRS ?

Mustangmaker67

New Member

Apr 16, 2004

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Indiana

Apr 21, 2004

#1

• Apr 21, 2004

• #1

Has anyone built a Classic with Mustang II front suspension along with the Cobra IRS in the Rear? Or ever seen that Combo?

 

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fastcoupe68

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Mar 10, 2004

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nj

Apr 21, 2004

#2

• Apr 21, 2004

• #2

Getting ready to do a 68 fstbk with this setup on a friends car. Done the II set up, but have not done the IRS on a mustang. I will soon find out how it all works.

 

Mustangmaker67

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Apr 16, 2004

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Apr 21, 2004

#3

• Apr 21, 2004

• #3

This is the first front for me but I installed a IRS out of a Cougar in a 65 coupe a few yrs back. It was WAY TOO MUCH trouble to do again though. Hopefully This cobra will much easier. I have 3 67/68 fastbacks waiting for me to figure all this out. I bought a 2001 GT today I plan on robbing the drive train out of for this project too.

 

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fastcoupe68

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Mar 10, 2004

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nj

Apr 21, 2004

#4

• Apr 21, 2004

• #4

You wanna sell one of those fstbcks?

 

Mustangmaker67

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Apr 16, 2004

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Apr 21, 2004

#5

• Apr 21, 2004

• #5

Sure,,, When it's done. What engine? Color? Supension? Interior? E-kit, Or Shelby? I do have a Couple of part cars I'll sell the roof panel & Fastback stuff though

 

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Fostang

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May 8, 2002

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Apr 21, 2004

#6

• Apr 21, 2004

• #6

cobra irs just sucks yo.

I had it worse mistake.

Sold it and made money off of it.

Then my buddy gave me an almost 2 grand 8.8 he built for me.

The irs rear is just weak, prone to wheel hop, and heavy. Good for the wow factor that I was looking for but too much work for too little performance.

A 3 link with a solid axle is my next project.

 

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Fostang

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Apr 21, 2004

#7

• Apr 21, 2004

• #7

Oh yeah and the front end is a mustang II only way to fit a DOHC 4.6. 5.4 after this sucker gives out here I come or maybe v10.

 

Mustangmaker67

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Apr 16, 2004

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Indiana

Apr 21, 2004

#8

• Apr 21, 2004

• #8

Oh yea, I forgot The cobra is weak for guys who love to spend lots of money on engine parts ,, I guess I'm more into shock value then "BROKEN PARTS VALUE" If I wanted to build a drag car I would, But it wouldn't have a 8.8 in it now would it?

 

87gn2

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Apr 17, 2004

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Apr 21, 2004

#9

• Apr 21, 2004

• #9

Just to let you know, the 03 Cobra IRS has held up well with lots of launches on slicks with cars putting 400+hp to the wheels. Kar Kraft sells them for 1200 or 1300 bucks, then the kit to swap them in from DVS is another 800-1100. karkraft.com and dvsrestorations.com.

 

Mustangmaker67

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Apr 16, 2004

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Apr 21, 2004

#10

• Apr 21, 2004

• #10

I know they hold up pretty good under normal conditions, But you know some guys, They can break anvils!! I've never broke one, of course I'm not trying to.

 

88 Fox GT

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Nov 18, 2002

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Apr 21, 2004

#11

• Apr 21, 2004

• #11

The 03-04 Cobra IRS is actually stronger than you think. Many guys are running the 400-500hp range with them and no breakage. The only big problem, I've heard of, is wheelhop which comes with almost all IRS cars.

 

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Fostang

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Apr 22, 2004

#12

• Apr 22, 2004

• #12

Mustangmaker67 said:

I know they hold up pretty good under normal conditions, But you know some guys, They can break anvils!! I've never broke one, of course I'm not trying to.

Click to expand...

LOL true when your trying to race with something that isn't designed for drag of course your going to break it.

That's why I recomended a 3 link for all around performance. Handles very good and does drag if you'd like

Don't knock 8.8's they are very strong and efficient rears. I prefer over 9" rears.

If you want them stronger just get an eaton center with 31 spline or more.

Guy I know is running an eaton 8.8 with 40 spline t/a girdl and a rediculously huge 100mm turbo on a 347 dart block.

 

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wildstang

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Apr 8, 1999

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Orange, Vermont

Apr 28, 2004

#13

• Apr 28, 2004

• #13

Fostang, what is the progress of your mustang with the mustang II front end? Is it on the road yet or this summer? Got anymore pictures to post. Thanks.

 

1970 slantroof

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May 14, 2001

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Far S.E. Arizona

Apr 28, 2004

#14

• Apr 28, 2004

• #14

The June 2004 issue of Super Rod magazine has an article on page 20 of a 66 fastback with a Mustang II front end and a Cobra IRS. It also has a late model Cobra engine. They seem to like the setup. It even sees some track time.
Howard