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my 9in irs diff

Posted: January 11, 2011, 6:56 am
by 557f1
Hi, I have started to assemble my irs diff for my '64' and i want to share some photo's Darren.
au falcon diff,narrowed 4 inches,fitted with dutchman alloy 9in housing with 35 spline 300m axles,strange nodular centre,fitted with 4-11 gears,yukon ratchet locker,
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Posted: January 11, 2011, 7:46 am
by BobbyFord
Looks bullet proof. What does that thing weigh?

Posted: January 11, 2011, 10:17 am
by Brian Taylor
All I can say is
"GOOD GOD MAN"
wow :rocker:

Posted: January 11, 2011, 4:22 pm
by 557f1
I'm not sure how heavy it is.
my friend gave me a hand to put it on the bench before it had the centre in it,at a guess it weights one and a half of the factory 9in,

Posted: January 11, 2011, 4:30 pm
by Leeroy
COOOR!

Looks killer! Me thinks the truck will break apart before the diff does!

Posted: January 11, 2011, 4:37 pm
by 557f1
Leeroy,it's a slick, you should know they can't be killed,LOL

Posted: January 11, 2011, 4:44 pm
by Leeroy
This is true! So basically when it's all done, you'll own a solid piece of granite with 4 wheels and a chrome bumper? :D

Posted: January 11, 2011, 5:00 pm
by 557f1
That's it,

Posted: January 11, 2011, 11:18 pm
by Greg D
:shock:

Posted: January 12, 2011, 8:19 am
by 64low-n-slow
AWESOME!!!!!!

OK time for 20 questions - what is that irs out of? What does it look like mounted under the truck? pics, pics, pics! Man, I want to do this to mine sooooo bad.

Posted: January 12, 2011, 4:10 pm
by 557f1
Thank you, It came out of a 2004 au ford falcon xr8.
It looks really good mounted under it and with cut and shut I did on the rear chassis it dropped the truck along way,
i will have to look for pic's and I will post up

Posted: January 12, 2011, 4:28 pm
by 64low-n-slow
We don't see to many '04 falcon XR8's around these parts! Guess I'll have to settle for a t-bird or Explorer. Will wait impatiently for those pics, though!

Posted: January 12, 2011, 4:37 pm
by Leeroy
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This is the 'gt 500' version of the xr8, but you get the drift!

Posted: January 12, 2011, 6:12 pm
by 557f1
How about a mustang cobra irs, they are similar to falcon diffs,
Try this link,
http://www.forabodiesonly.com/mopar/sho ... hp?t=69221[/code]

Posted: January 12, 2011, 10:44 pm
by kstones63
64low-n-slow wrote:We don't see to many '04 falcon XR8's around these parts! Guess I'll have to settle for a t-bird or Explorer. Will wait impatiently for those pics, though!
Check into the MArk VIII IRS. I just sold the IRS out the Mark VIII that I took the engine and trans out of. I sold it for $150. I couldn't find anybody that wanted it so I let it go that cheap. They are out there if you look around.

Kevin

IRS

Posted: January 13, 2011, 1:02 pm
by bluebolt
This place sells brackets to use the Thunderbird/Mark VIII IRS. You will also have to change the lug pattern to 4 1/2", its a weired 4 1/4" pattern now. http://team321.com/truckirs/truckirs.html

Posted: January 13, 2011, 3:19 pm
by jkimbrel65
That looks to be a nice clean setup.

Mike

Posted: January 14, 2011, 5:36 pm
by Alan Mclennan
Darren, you aren`t planning on speeding!, when you get the `64 on the road are you?. great up date! will wait for pic`s!, stay dry mate!

Posted: January 15, 2011, 2:56 am
by 557f1
Thanks Alan, I don't plan on speeding ,but by golly! i'm going to get there fast,LOL!