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Dana44=9" irs upgrade

Old 12-06-2018, 08:24 AM
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Rob Burich
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Dana44 upgrade

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Old 12-06-2018, 09:05 AM
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Old 12-06-2018, 12:15 PM
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POLOVETTE 94
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Waiting.....
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Old 12-06-2018, 12:18 PM
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Mike Holmen
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Which IRS set-up you thinking about using? I was thinking about using the Dutchman 9inch rear end. The 9inch housing is physically quite bit bigger than and may hit the truck floor board/panel. I was going to weld-up a bracket to get the housing as close to the floor without the housing/brace contacting the floor.

https://dutchmanaxles.com/9-inch-for...oke-style.html
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Old 12-06-2018, 08:55 PM
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Good move. Sounds like a plan. Bcos its gonna be a mockup and not sure whats gonna fit. Im gonna get a steel housing and brace it the same as factory. Also brackets can be welded for the C beam frrom the housing. So its all trial and error. I figured to go 9" bcos i can still toughen all the other bits. Importantly you want the centre bulletproof to start with.
i can also buy long 35spline axles. Cut them 200mm from the flange or studs respline to 35 also machine the face of the flange flush down to 4" diameter to mount the 6-8 bolt aluminum 1350 yoke. As for the outer stubs. Ive still got the remaining half of the axles to.play with. Either turn them down or machibe the outer hubs to suit. If i can get the 35spline in there. Il be happy. Then il have a pinion yoke pushed on or tig welded. Then its just matter of ordering the moly halfshafts. I could use a solid shaft instead of halfshafts but if we can make it a lighter rotation. Again less load on everything. Im running a 632ci powerglide 1000hp 900ft without the nitrous.

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Old 12-06-2018, 09:31 PM
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Originally Posted by POLOVETTE 94 View Post
Waiting.....



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Old 12-06-2018, 10:27 PM
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Mike Holmen
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Nice car, hah love LS7 decal. Post more pics of your car.

Curious if You guys think that the 9inch irs pumpkin would fit into our C4 without cut up the floor/truck? I was thinking about reusing most of the other bits of the dana 36/44 for now. I just have a tiny LQ9 ls 6L engine under my hood.
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Old 12-06-2018, 10:54 PM
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Good question. My dana44 is still in the car running fine. I had a LS7 454ci in it before with the 4+3. This engine was in my brothers 68 ss camaro best time 9f 10.51 @ 130mph. This is 15years ago in a 3700lb car. But now with the Dart 632ci. You feel the difference.. anyway the dana44 held up fine with thr LS7 even though i never dropped the cluch.
i just dont want this insecurity of bending breaking twisting things. The dana44 is quite a good setup but no match for big cubes. Remember rambo😊
dont push it.

Last edited by Rob Burich; 12-06-2018 at 11:28 PM.
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Old 12-06-2018, 11:14 PM
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Jesus CHRIST. Nice!
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Old 12-07-2018, 12:32 AM
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Old 12-07-2018, 12:53 AM
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Nice ride
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Old 12-07-2018, 08:12 AM
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Old 12-07-2018, 09:39 AM
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….. RH Drive ? … you must have skinny feet to operate 3 pedals in there ! …..
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Old 12-07-2018, 09:46 AM
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Rob Burich
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Originally Posted by C409 View Post
.. RH Drive ? you must have skinny feet to operate 3 pedals in there ! ..
Your the first to.pick that up. Yes melb Australia. I bought the car 18yrs ago already RHD converted. You cant have it back👍
By the way. You are right. Very tight cars. But only 2 pedals. Powerglide😚

Last edited by Rob Burich; 12-07-2018 at 09:48 AM.
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Old 12-07-2018, 07:16 PM
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Looks really nice. If it has a powerglide, it's probably safe to assume it's a quarter miler and not a road racer. Why not just put a straight axle in it and now worry about all the extra moving parts?
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Old 12-07-2018, 09:41 PM
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No. I use mine as a streeter 90% its more fun and u get to use it and enjoy it rather then pushing them to there limits. I didnt go the solid axle bcos. One its more weight. Not too mention reciprocating weight meaning less stress on everythng. I like to keep more aluminum bits as possible. Also alot easier for me to do the centre and fabrication c beam. Without disturbing rear alignments. And the ability to say its IRS just incase one day i do decide to track it😊
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Old 12-08-2018, 12:56 AM
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Originally Posted by Rob Burich View Post
No. I use mine as a streeter 90% its more fun and u get to use it and enjoy it rather then pushing them to there limits. I didnt go the solid axle bcos. One its more weight. Not too mention reciprocating weight meaning less stress on everythng. I like to keep more aluminum bits as possible. Also alot easier for me to do the centre and fabrication c beam. Without disturbing rear alignments. And the ability to say its IRS just incase one day i do decide to track it😊
For the street, wouldn't a 3 or 4 speed automatic be better than the 2 speed? It would allow the motor to stay in the proper rpm range for the street.
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Old 12-08-2018, 01:37 AM
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Originally Posted by 383vett View Post
For the street, wouldn't a 3 or 4 speed automatic be better than the 2 speed? It would allow the motor to stay in the proper rpm range for the street.
100% correct. But u gotta have a happy medium. Car weighs in at 3100lbs. Dont really needs gears with 900ft lbs. Bare in mind our speed limits 80kph generally. Im sitting on around 3000rpm cruising. Luvs it. I get your point though.
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Old 12-08-2018, 02:23 AM
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Hot Rod Roy
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Here's a 9" IRS by Kugel Komponents: I put this in a '32 Ford.



http://www.kugelkomponents.com/rear_suspension/rearsuspension.php

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Old 12-08-2018, 02:26 AM
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Beautiful Roy. Suits the car. It wouldnt look right without it...Luv the shape of those . They look pretty sick actually. U got a big job ahead of u😚 good luck with that👍
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