 | Home > For Sale & Wanted > [Wanted] Puma 110 Std Front Radius Arms and Rear Trailing Ar |
 
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| Shroppy Member Since: 25 Feb 2016 Location: Shropshire Posts: 848   
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I have a pair of trailing arms, may have some radius arms... 1985 127 V8 Build Thread
Series 2 109" Series 1 80" |
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22nd Oct 2021 7:44am |
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| jimbo55 Member Since: 15 Jul 2020 Location: Midlands Posts: 385
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Why are you wanting to remove the arms? Nothing wrong with running cranked arms (front and rear) on standard height.
Cranked rears on standard height end up having the arm in the mid point of the bush travel which will decrease bush wear On the fronts in increases they castor angle so gives you much nicer turn in and steering feel My 90 is running 1/2-1” lowered for normal driving and have cranked and castor corrected arms front and rear and it works well, and it saves money in having to buy more arms 👍 |
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22nd Oct 2021 8:32am |
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| alastaid Member Since: 03 Dec 2013 Location: York Posts: 78
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Jimbo,
I only thought I had to replace to original for the same reason you have to put on the cranked ones when you raise it 2". If I don't have to replace them fantastic news, but it doesn't seem logical, or infers that the angle on the originals were wrong. Got to admit I don't know much about this, may have to spend some time researching now. Thanks Alastair |
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22nd Oct 2021 9:44am |
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| jimbo55 Member Since: 15 Jul 2020 Location: Midlands Posts: 385
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Alastair,
Not so much as they were wrong to start with, just not as optimised technically as they could be, remembering that the suspension was effectively designed in the 70’s/80’s for Range Rover classics, I’ll grab some pictures tomorrow to show what I mean 👍 |
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23rd Oct 2021 8:46am |
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| jimbo55 Member Since: 15 Jul 2020 Location: Midlands Posts: 385
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Alastair, sorry for the rubbish sketch, didn’t get my truck back together to show proper pictures. Hopefully this gives a better idea 👍
 Click image to enlarge The bushes (front and rear) are square not angled, when at standard height with standard arms there is constant pressure applied to the bush as the arms run downhill. With a 2” lift on standard arms, that pressure is exaggerated and can max the travel of the bush out causing excess wear, adding cranked arms to a 2” lift takes it back to somewhere near where a. Standard arm and standard heigh bush would sit normally Standard height with a cranked arm ends up with the arm going through the bush horizontally, and leaves the bush in its free position 👍 |
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25th Oct 2021 8:17am |
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