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Old 01-19-2010, 10:31 AM   #26
John V, outside agitator
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Originally Posted by Mylesofsmyles View Post
I've got the interest and I've got the time...sort of. I've always loved the 240 saloons, just wish it had better suspension. I don't care much for live axles, unless I'm haulin' something big. I don't want my saloon to ride and handle like a truck. I think it'll be an interesting project...and considering the attention this thread has received, along with the few other 240 IRS swap threads on this board, I don't think I'm alone in wishing my 240 had IRS.

Saloons? You're Anglais, no?
Then look how well Escort MkI and MkIIs worked.
They work fine, and the RIDE is a choice and really is a different thing from 'handling".

What do you want?
Ride or handling?
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Old 01-19-2010, 10:51 AM   #27
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Originally Posted by John V, outside agitator View Post
Saloons? You're Anglais, no?
Then look how well Escort MkI and MkIIs worked.
They work fine, and the RIDE is a choice and really is a different thing from 'handling".

What do you want?
Ride or handling?
Are you asking if I'm English? Haha, no...Puerto Rican and Jewish.

I trust a live axle can can be engineered for improvement, but I'm really more a fan of IRS for spirited driving. Just a preference thing. I trust both ride quality and handling will be improved
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Old 01-19-2010, 12:52 PM   #28
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Originally Posted by Mylesofsmyles View Post
Are you asking if I'm English? Haha, no...Puerto Rican and Jewish.

I trust a live axle can can be engineered for improvement, but I'm really more a fan of IRS for spirited driving. Just a preference thing. I trust both ride quality and handling will be improved
I speak a number of languages, I have been a paid swearing instructor and know English and many many obscure dialects of english.

Referring to a 3 box car as a "saloon" is for anybody but a stuffy Pommie bastid, a huge and bizarre affectation.
likewise the IRS fixation.
Good luck, take lots of piccies and tell us how it turns out.
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Old 01-19-2010, 01:41 PM   #29
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I'm pretty sure you aren't at the handling limits of your solid axle.
I never said I was. Im not sure if you noticed, or even care, but the was denoting sarcasm at John V, and not at the Illustrious Buchka Brothers.
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Old 01-19-2010, 01:44 PM   #30
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I guess my sarcasm didn't come through. Remind me to add this next time:

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Old 01-19-2010, 01:51 PM   #31
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if you part out Miatas per another thread of yours, why not adapt an IRS from one of those?

supposedly there is a 242 with an RX7 rear IRS underneath it, we have not seen pictures yet, only been teased by the owner and fabricator/installer
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Old 01-19-2010, 01:52 PM   #32
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I guess my sarcasm didn't come through. Remind me to add this next time:

=), only if you put that many
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Old 01-19-2010, 02:50 PM   #33
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if you part out Miatas per another thread of yours, why not adapt an IRS from one of those?

supposedly there is a 242 with an RX7 rear IRS underneath it, we have not seen pictures yet, only been teased by the owner and fabricator/installer
That's not a bad idea! I considered it for a second, but won't be certain until I thoroughly inspect a 940 IRS rear. I want as many parts to be as interchangeable with other Volvo's as possible...I'm going to try to use 760/940 coilovers, hubs and disc brakes...and I'd like to try and use 760/940 control arms.
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Old 01-19-2010, 09:11 PM   #34
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Mate, the Volvo irs is a bad design, we have no choice for coilovers!
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Old 01-19-2010, 09:18 PM   #35
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Mate, the Volvo irs is a bad design, we have no choice for coilovers!
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what's this?

I'm supposed to take delivery of a 240 coupe tomorrow. When I get a chance, I'm going to take some measurements, so I can better understand what to look for. I'm going to start by measuring distance from wheel to wheel and from frame rail to frame rail. I've got an extra Miata rear subframe and differential to test fit!

Last edited by Mylesofsmyles; 01-19-2010 at 09:26 PM..
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Old 01-20-2010, 12:23 AM   #36
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One doesn't make choice. Plus it's a semi trailing arm design, use the skyline one and you will have a real choice of hundreds of different coil overs.
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Old 03-14-2018, 10:06 AM   #37
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Hey!! Has anything come out of this whole idea in the end?

Would love to have some more discussion on this whole IRS swap thing as i want to do it on the 242 of mine

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Old 03-15-2018, 03:48 PM   #38
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http://forums.tbforums.com/showthread.php?t=289884
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Old 03-15-2018, 03:59 PM   #39
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Cheers dude. Seen it and it's really interesting indeed!

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Old 03-15-2018, 06:35 PM   #40
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I have a complete Supra IRS, even has the e-brake cables and lug nuts, available for whoever is looking.
I have switched my design to use a 3 link and the Supra stuff needs to go.
Cornelius OR
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Old 03-18-2018, 05:20 PM   #41
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I'd have it all, but you're a tiny bit far for sending stuff otherwise i'd take it off your hands. How much for the lot in PM please?

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Old 03-18-2018, 09:09 PM   #42
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Right now I'd trade it for a useable Explorer 8.8 or Ford 9"

The Supra is complete complete everything but shocks.
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Old 03-19-2018, 01:23 PM   #43
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Right, ok
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Old 03-20-2018, 11:25 AM   #44
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Considered the V90 IRS?
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Old 03-21-2018, 04:39 AM   #45
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No. As it will break on idle with what i want to achieve...
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Old 03-21-2018, 06:22 AM   #46
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Old 11-02-2019, 11:27 PM   #47
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Nascars use live rear axles still at 200mph
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Old 11-02-2019, 11:28 PM   #48
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I like the idea. I was looking at the explorer irs.
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Old 11-03-2019, 12:43 AM   #49
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My issue with IRS is that it is much more difficult to adjust it. Even a simple need, like a ride height adjustment is complicated as it changes arm geometry. And you can't fiddle with the rear roll center height. Ride height and roll center changes are vital tuning tools.

Many of the adjustments are built into it, so it can't be adjusted much without changing the subframe, arm lengths, and angles.

I will be using a three link as I can quickly adjust it depending on what game I am playing.

My second choice would be a 4 link, but I think a 3 link will corner better by eliminating the bind of twisting a 4 link.
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Old 11-03-2019, 09:35 AM   #50
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Yes you can adjust rear roll center height. The 240sx guys have been doing it for years now with drop knuckles for the irs. So you can run low as all heck but still have good geometry.
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