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Old 06-06-2017, 07:59 PM   #1
Steve Beswick
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Default 240 strut cartridge in 940

1994 940 here -

I'm planning to re-do all the suspension this fall. I think I want to use 240 strut cartridges in my 940, with shorter than stock springs, and a spacer in the bottom of the 940's strut housing. I have a few questions I couldn't find answers to.

1. Do the 240 cartridges fit in the 940 strut bearings, or does something need to be done there?

2. Does anyone have an example of suitable spacer material?

3. Do I use cut down 940 bump stops, or...???

TIA for any help!
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Old 06-06-2017, 08:20 PM   #2
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Both are T4 Body type.
940
Compressed length: 18.75"
Extended length: 25.5"
Travel length: 6.75"
Body length: 16.75"

240
Compressed length: 16.5"
Extended length: 24.125"
Travel length: 7.625"
Body length: 16"

You do the math but I see .75" being the difference in body length.
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Old 06-06-2017, 08:23 PM   #3
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http://forums.turbobricks.com/showthread.php?t=185709

and

Mounting & Length Sheet - Monroe Shocks & Struts
Shows strut body code T4 and 73000 series strut.

http://www.monroe.com/downloads/inst...ifications.pdf

Last edited by lummert; 06-06-2017 at 09:17 PM..
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Old 06-07-2017, 11:22 AM   #4
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That'll you for the replies, but they really don't answer any of my questions. Is there someone out there that has done what I'm talking about?
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Old 06-07-2017, 11:32 AM   #5
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What exactly are you trying to do? Lower the car yes? What kind of struts are you looking at using from a 240, that aren't available for a 7/9 series?

Why not just lower the car with lowering springs and stiffer shocks?

If you're looking for a stroke to match your shorter spring length, buy a pair of blown Bilstein shocks for $30 and send them to Bilstein for a rebuild with a specific stroke length and proper compression and rebound.
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Old 06-07-2017, 01:59 PM   #6
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Quote:
Originally Posted by centason View Post
What exactly are you trying to do? Lower the car yes? What kind of struts are you looking at using from a 240, that aren't available for a 7/9 series?

Why not just lower the car with lowering springs and stiffer shocks?

If you're looking for a stroke to match your shorter spring length, buy a pair of blown Bilstein shocks for $30 and send them to Bilstein for a rebuild with a specific stroke length and proper compression and rebound.
I was just trying to get a bit more compression length to work with. Lowered car + crapply local roads might = bang. Bang bad, bang prevention good. If it's a nightmare to switch though, I'll just take my chances with stock size cartridges.
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Old 06-07-2017, 02:03 PM   #7
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How low are you trying to go? What springs are you going to use?
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Old 06-07-2017, 02:40 PM   #8
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I'm pretty damn low,in my 940 with correct Bilsteins and it rides nice. Like one coil cut off a Lowering spring low.

Also Bilstein has an internal bumpstop,so no worries there.
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Old 06-07-2017, 07:26 PM   #9
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How low are you trying to go? What springs are you going to use?
I'm thinking 2 inches in the front, and 1 - 1.5 inches in the back. Nothing too crazy. I'll probably have to do cut stock springs in the short term, primarily due to budget constraints. I'm already planning for all new bushings, new ball joints, new strut mounts/bearings, and new cartridges and shocks, and an adjustable panhard rod. I'm not a rich man, so something will have to give.
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Old 06-08-2017, 12:50 PM   #10
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Why?
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Old 06-08-2017, 01:16 PM   #11
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Why?
because these cars stock sit at Blazer/Bronco height? C'mon.
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Old 06-08-2017, 03:47 PM   #12
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because these cars stock sit at Blazer/Bronco height? C'mon.
So that's why you would install a 240 insert into a 940 housing?
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Old 06-10-2017, 03:02 AM   #13
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So that's why you would install a 240 insert into a 940 housing?
On a 240 strut cartridge the shaft will compress almost all the way into the housing. Not so much on a 7xx/9xx. I'm looking for a bit more compression length. The only thing I don't know is will the end of the 2xx strut fit properly in the 7xx/9xx strut bearing. I know people on here have tried it before, so I was hoping one of them would chime in.
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Old 06-10-2017, 04:19 AM   #14
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I've used 240 inserts on a 740. All you need to to is shorten the housing 20mm and use the 240 gland nut. It will fit the strut mount but the nut won't thread all the way down to the nyloc
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Old 06-10-2017, 01:42 PM   #15
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Originally Posted by Råda View Post
I've used 240 inserts on a 740. All you need to to is shorten the housing 20mm and use the 240 gland nut. It will fit the strut mount but the nut won't thread all the way down to the nyloc
Is there an easy fix for the issue with the top nut?
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Old 06-10-2017, 02:13 PM   #16
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Quote:
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Is there an easy fix for the issue with the top nut?
I've never had a problem with it.
If you don't mind checking evety now and then. All the threads ar in just not the nyloc. I bet some good loctite will fix that.
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Old 06-10-2017, 05:07 PM   #17
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Quote:
Originally Posted by Råda View Post
I've used 240 inserts on a 740. All you need to to is shorten the housing 20mm and use the 240 gland nut. It will fit the strut mount but the nut won't thread all the way down to the nyloc
Plus 1

A friend of mine is doing it right now on his 740
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Old 06-12-2017, 07:52 PM   #18
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Got it. Thanks everyone! Now all I need to do is figure out how to anchor the springs in their seats, and all will be good!
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Old 06-13-2017, 11:08 AM   #19
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Quote:
Originally Posted by Steve Beswick View Post
Got it. Thanks everyone! Now all I need to do is figure out how to anchor the springs in their seats, and all will be good!
How low are you going?

This is my car with 240 inserts plus cut springs and the spring is still not loose.

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Old 06-14-2017, 09:53 PM   #20
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Quote:
Originally Posted by Råda View Post
How low are you going?

This is my car with 240 inserts plus cut springs and the spring is still not loose.

I was just thinking 2 coils in the front. Are you saying the 240 cartridges keep the springs tight in their seats?
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Old 06-15-2017, 10:48 AM   #21
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Well you get 20mm "free" lowering when you shorten the housing and the 240 piston is shorter when maxed out
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Old 06-15-2017, 01:22 PM   #22
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Well you get 20mm "free" lowering when you shorten the housing and the 240 piston is shorter when maxed out
That's what I was wondering. How did you shorten the housing? Did you just cut off the end and re-thread somehow, or did you take it out of the middle and weld the two halves together?
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Old 06-15-2017, 03:47 PM   #23
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Quote:
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That's what I was wondering. How did you shorten the housing? Did you just cut off the end and re-thread somehow, or did you take it out of the middle and weld the two halves together?
Cut in half

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Old 06-15-2017, 07:11 PM   #24
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Shortened 20mm



Nut and Bolt fit

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Old 06-15-2017, 09:50 PM   #25
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Hey - that's a smart way to do it! I see what you mean by getting a bit of lowering from shortening the tube. Thank you so much for your help! I was feeling a bit lost before.
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