Scissor lift and IRS support

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SimonBrown
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#1 Scissor lift and IRS support

Post by SimonBrown » Sat Aug 13, 2022 8:44 pm

Just in the process of ordering a Strongman Clifton scissor lift which given my height and width restrictions seem to be the best option.
However I am concerned about leaving the IRS hanging when the body is lifted. I have looked at transmission jacks to support it but these seem to start at 1.1 metres minimum height.
Has anyone any experience of an alternative means?
Thank you
Simon
Simon Brown
1969 S2 OTS
1998 XK8 Coupe
1993 Morgan Plus 4
1991 Mini Cooper 1.3i

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abowie
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#2 Re: Scissor lift and IRS support

Post by abowie » Sat Aug 13, 2022 11:10 pm

SimonBrown wrote:
Sat Aug 13, 2022 8:44 pm

However I am concerned about leaving the IRS hanging when the body is lifted.
As long as you're not leaving it for months at a time it should be fine.
Andrew.
881824, 1E21538. 889457. 1961 3.4l Mk2. 1975 XJS.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia

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mgcjag
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#3 Re: Scissor lift and IRS support

Post by mgcjag » Sun Aug 14, 2022 7:10 am

Hi Simon...as Andrew says above.....almost every e type resto garage uses 2 post lifts and for general work they do not support the irs.....the irs cant crash to the floor if the propshaft is still connected.....Steve
Steve
69 S2 2+2 (just sold) & Building a C type replica, 1960 xk150fhc

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Fuel.inj
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#4 Re: Scissor lift and IRS support

Post by Fuel.inj » Sun Aug 14, 2022 6:51 pm

As a matter of interest does any forum member already have a Strongman Clifton lift? If so can you post photographs of it lifting a FHC and the positions of the lifting points.
Paul.
1971 S2 FHC (Opalescent Blue)
1990 Mercedes Benz 260E
A number of Nortons.
1939 Triumph T100

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nichmoss
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#5 Re: Scissor lift and IRS support

Post by nichmoss » Mon Aug 15, 2022 10:14 am

I was looking for something like this but didn't buy as I'm still not sure these scissor lifts are for me. I did see this picture and just found it again:
https://jec.org.uk/news/2017/strongman- ... -club-deal

They appear to use the radius arm mounts at the rear which makes sense but, at the front, the blocks seem to be at the inner vertical wall of the footwell - you can't be sure.

I'm not sure that there would be a lot of room in front of the IRS to make it easy to work on that in-situ and so I didn't see a huge advantage for me at the rear. I usually lift the complete front with a hardwood block in the picture frame and then add axle stands under the lower trunnions so I also didn't see a great advantage for the front end.

I've only recently thought about a lift so haven't forgotten this idea. I'd hope there would be some exhibitors at the Goodwood Revival next month and will have a look when we're there. There is a reasonable chance they would have an E-Type on for display so perhaps I can get a photo. I'll also ask what depth of concrete is needed for the floor and anything else that I think of.

Cheers, Chris
Chris
1963 3.8 FHC

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SimonBrown
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#6 Re: Scissor lift and IRS support

Post by SimonBrown » Mon Aug 15, 2022 10:43 am

Hi All,
Thanks for your responses, and for putting my mind at rest regarding the hanging IRS.
I too have slight concerns about lifting the front on the base of the firewall, but I have seen a few E Types lifted at this point without damage. Strongman also do a cross beam to enable lifting at the lower wishbone points which I may ultimately purchase.
I am going to need to drop the engine/gearbox and this lift should give me enough room to do that.
Just for info I did also look at the Automotech AS7530 but bought the Strongman because it does not need an auxiliary air supply.
Simon
Simon Brown
1969 S2 OTS
1998 XK8 Coupe
1993 Morgan Plus 4
1991 Mini Cooper 1.3i

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abowie
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#7 Re: Scissor lift and IRS support

Post by abowie » Tue Aug 16, 2022 1:40 am

SimonBrown wrote:
Mon Aug 15, 2022 10:43 am
Hi All,

I too have slight concerns about lifting the front on the base of the firewall, but I have seen a few E Types lifted at this point without damage.
It's how we lift cars all the time.

You need a suitable piece of wood (6x3x2") to sit on the flat bit at the front of the floor pan.
Andrew.
881824, 1E21538. 889457. 1961 3.4l Mk2. 1975 XJS.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia

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Bob.
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#8 Re: Scissor lift and IRS support

Post by Bob. » Tue Aug 16, 2022 12:01 pm

Hi Simon
Thanks for your responses, and for putting my mind at rest regarding the hanging IRS
Personally I would still support the IRS.
It may be an unlikely event but this shows how far a S1 IRS moved when the mounts failed when the car was on a 2 post lift. How progressive the failure of the mounts was I don't know but when the last one let go that was a 310lb (140kg) hammer dropping several inches onto anything or anyone in range below.

Image
Image
Bob
'71 S3

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