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Old 01-18-2010, 11:19 PM   #1
Mylesofsmyles
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Default 240 IRS Swap???

I know I'm going to make a noob of myself, considering this is my first post on this board...

Is the rear suspension of a 240 on a removable subframe? Has anyone considered swapping in 760/940 IRS?

Are there any 240 IRS swaps out there?
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Old 01-18-2010, 11:28 PM   #2
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Look for threads by Anthony Hyde, IIRC. That was the most recent and best 240 IRS swap I recall.

No, the 240 rear suspension isn't on a subframe and it would be quite a task to even attempt to put the 700/900 setup in there.
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Old 01-18-2010, 11:33 PM   #3
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I know of a few people who have contemplated a T-bird 8.8 IRS swap. . .

Dunno if anyone's actually done it though.
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Old 01-18-2010, 11:35 PM   #4
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I know of a few people who have contemplated a T-bird 8.8 IRS swap. . .

Dunno if anyone's actually done it though.
Hmm...that'd be interesting. My first instinct has been to start with the 760 irs. How did the IRS rear end mount in either the 760 or 940?
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Old 01-18-2010, 11:37 PM   #5
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Here is the thread I was referring to.
http://forums.turbobricks.com/showth...hlight=anthony
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Old 01-18-2010, 11:38 PM   #6
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760 to 940 iirc are identical. There's a Gen I and II IRS, the later being more desirable, again, iirc. . .

If you were swapping into a 240, you'd be looking at fully custom mounting, and probably a modified/custom driveshaft. . .

If I were to do it, I'd go with something stronger and with more aftermarket support (ford 8.8?) but I'm not doing it, nor will I ever.
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Old 01-18-2010, 11:41 PM   #7
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760 to 940 iirc are identical. There's a Gen I and II IRS, the later being more desirable, again, iirc. . .

If you were swapping into a 240, you'd be looking at fully custom mounting, and probably a modified/custom driveshaft. . .

If I were to do it, I'd go with something stronger and with more aftermarket support (ford 8.8?) but I'm not doing it, nor will I ever.

I'm considering a Getrag differential from a Caddy CTS-V and I'd use the 760 control arms, hubs, sway bars and shocks
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Old 01-18-2010, 11:41 PM   #8
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Sweet.

Do it, post pictures.
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Old 01-18-2010, 11:44 PM   #9
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Sweet.

Do it, post pictures.
is there a difference in track width, or width, hub-to-hub on a 240 vs 760?
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Old 01-18-2010, 11:45 PM   #10
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Yes. iirc 760 is wider.
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Old 01-18-2010, 11:46 PM   #11
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IRS or solid axle the 700 series have a wider track width. I don't remember how much off hand.
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Old 01-18-2010, 11:49 PM   #12
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Yes. iirc 760 is wider.
Any idea by how much?

I think I might have this figured out.

I think I'm going to fab a tubular rear subframe to bolt into the 240. That way, I can make it to accept the Getrag diff and 760 control arms...
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Old 01-18-2010, 11:52 PM   #13
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A few inches.
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Old 01-18-2010, 11:55 PM   #14
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A few inches.
GODDAMN!!!

Maybe I've gotta make my own control arms too...ugh!
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Old 01-19-2010, 12:02 AM   #15
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I know POIK is working on retrofitting a BMW (5 series I think) IRS onto his 242. You should PM him.
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Old 01-19-2010, 12:17 AM   #16
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Anything is possible. All it takes is time and money. But since time IS money.....

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Old 01-19-2010, 12:18 AM   #17
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Anything is possible. All it takes is time and money. But since time IS money.....

A trip to Neptune would be nice!
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Old 01-19-2010, 04:06 AM   #18
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Originally Posted by dl242gt View Post
Look for threads by Anthony Hyde, IIRC. That was the most recent and best 240 IRS swap I recall.

No, the 240 rear suspension isn't on a subframe and it would be quite a task to even attempt to put the 700/900 setup in there.
Wrong Anthony, I'm afraid.
That certainly isnt Anthony Hyde's car.
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Old 01-19-2010, 07:35 AM   #19
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Originally Posted by Mylesofsmyles View Post
I'm considering a Getrag differential from a Caddy CTS-V and I'd use the 760 control arms, hubs, sway bars and shocks
Dude, why bother? Use a supra or Cressida subframe assembly and fit that all in, or a RWD Skyline one, the Volvo one is horrible for choice of upgrading, can't do any adjustment on them stock compared to the jap setups.
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Old 01-19-2010, 08:29 AM   #20
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Wrong Anthony, I'm afraid.
That certainly isnt Anthony Hyde's car.
Two people with the same name. Or at least the same initials. Also my later post provided the link to the Anthony H thread with his IRS 244.
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Old 01-19-2010, 10:08 AM   #21
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Quote:
Originally Posted by Mylesofsmyles View Post
I know I'm going to make a noob of myself, considering this is my first post on this board...

Is the rear suspension of a 240 on a removable subframe? Has anyone considered swapping in 760/940 IRS?

Are there any 240 IRS swaps out there?

Why?
Why not buy a nice simple car that has a 2300 turbo motor and IRS already?


What do you imagine you'll gain after huge expenditures of money and effort?
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Old 01-19-2010, 10:10 AM   #22
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Why?
Why not buy a nice simple car that has a 2300 turbo motor and IRS already?


What do you imagine you'll gain after huge expenditures of money and effort?
A volvo that handles better. We like our volvos
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Old 01-19-2010, 10:23 AM   #23
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Why?
Why not buy a nice simple car that has a 2300 turbo motor and IRS already?


What do you imagine you'll gain after huge expenditures of money and effort?
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.

Last edited by Mylesofsmyles; 01-19-2010 at 02:58 PM..
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Old 01-19-2010, 10:24 AM   #24
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A volvo that handles better. We like our volvos
I'm pretty sure you aren't at the handling limits of your solid axle.
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Old 01-19-2010, 10:28 AM   #25
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Quote:
Originally Posted by Lord_Athlon View Post
A volvo that handles better. We like our volvos
I like 240s too. Spent yesterday gutting the interior of one which is getting a cage, a 16v NA kick ass motor, a GM T5 and a axle with long LOOOOOONG 4 link set up, probably a Toyota 8" pick up axle so we can get LSDs EASY and alternate ratios and have something that will not break.

And of course good suspension

28" links will allow plenty of travel and it'll handle better than 99.9% of people here can drive it.

Point is a well located solid rear will work fantastic even on asphalt well past any sane speeds whereas a poorly done IRS may have it's own quirks and problems.

But let's see what the OP says....
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