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Old 17th April 2010, 13:09   #16
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By cutting springs, there are going to be two changes:
1. spring rate increases
2. ride height reduces

What this leads to depends on the vehicle and how it has been setup at the factory.
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Old 18th April 2010, 11:04   #17
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Suspension, like any other part of a vehicle, can be modified to make it more suitable to ones needs. But to do a proper job requires a great deal of knowledge. And a ability/ competence to implement what has been conceived. Without both, I'd say don't do it. Esp. if it has safety implications. Even more so when it can involve others.

I get the feel that this depth of knowledge, and of thinking through a problem, is absent in this case.

Playing around with antiroll bars might be a better idea, but be careful of oversteer/ understeer!

If you want something to behave like a sedan, start of with a sedan!

Mahindra should seriously think of DeAuthorising this service center.

Quote:
Originally Posted by Shan2nu View Post
Doesn't cutting the springs reduce the load rating of the coil? And the Scorpio being a load carrying vehicle, this maynot have been a smart move. You could have got the shocks stiffened instead.

Shan2nu
Cutting off a coil of the spring will
increase the spring rate
decrease compression displacement before coilbind.

Regards
Sutripta

Last edited by Sutripta : 18th April 2010 at 11:07. Reason: tried correcting lack of indentation
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Old 18th April 2010, 16:00   #18
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Its not as simple as it seems, you are stopping nose diving since you had also brought imbalance to the LSPV setting which is present in non-ABS model.
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Old 18th April 2010, 16:25   #19
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Quote:
Originally Posted by hps aulakh View Post
I had a scorpio mhawk which had an excessive body roll. On consulting my mechanic we cut the rear coil springs by one coil each thereby reducing the body height. This cut the body roll by almost 90% and made the ride more comfortable.
If you chop another Coil the car might outperform a Cayenne or a X6 around the bends.

If this was that easy Mahindra would have done it long back, i advise you to move back to the manufacturer provided specification.
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Old 19th April 2010, 19:46   #20
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I drove the scorpio for 55k kilometers without having any problems
which you are mentioning.The tyres lasted me 65k kilometers with this
setup.The only drawback was the bottoming of the shockers, that too
on a bad road.
I only replaced the coil springs when i sold the vehicle which started
having multiple problems with the ac and the gearbox.By the way this
was my third scorpio in 5 yrs,each of which clocked nearly 80k kilometers
before i sold them.
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Old 19th April 2010, 20:51   #21
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Quote:
Cutting off a coil of the spring will
increase the spring rate
decrease compression displacement before coilbind.
I know that.

By load rating, i was talking about the max amount of weight it can hold before it begins to get over stressed. In other words, the strength of the spring.

How does cutting a coil affect its strength?

Shan2nu
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Old 19th April 2010, 22:10   #22
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Quote:
Originally Posted by Sankar View Post
Cutting the coilis not the way to do it. It affects springrate and load carrying capacity, and your scorpio now has a softer rear suspension.
Harder, I would think.

Quote:
Originally Posted by Shan2nu View Post
I know that.

By load rating, i was talking about the max amount of weight it can hold before it begins to get over stressed. In other words, the strength of the spring.

How does cutting a coil affect its strength?

Shan2nu
If by overstressed ("strength"), you mean load before its elastic limit is reached, that should not change.

@hps aulakh
Did you try a spacer on the coil to make up for the lost length? (essentially same geometry, stiffer springs) If so, what were your impressions?

Regards
Sutripta
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Old 20th April 2010, 07:48   #23
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Quote:
Originally Posted by hps aulakh View Post
Stiffer shocks do not reduce the body roll,they rather make the ride
more uncomfortable on bad roads.
On the other hand, stiffer shocks, of the stock length itself (Bilsteins B6, for example), may have prevented the bottoming related to shortened coils. It would have been interesting to see the results of the combination of the shortened 12.5 inch springs with stiffer shocks. May be you could try this on your 4th Scorpio, when it comes
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Old 20th April 2010, 10:56   #24
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Enough of scorpios,now i have gone in for a Toyota Fortuner and an
Innova.This is heavens compared to a scorpio.
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Old 20th April 2010, 11:37   #25
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@ everyone who been thinking that this experiment was undertaken without going in the tech details and being a novice.I happen to be a vintage & classic car collector for the past 15 years with a collection of about 32 cars and been a dealer for mahindra and escorts for about 23 years ,so i know the way their R&D dept. functions.
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Old 20th April 2010, 15:20   #26
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Are Koni FSD shocks available for Xylo / Scorpio? May be expensive, but I think it solves many of the handling issues (except in a slalom ride) without compromising on comfort. I remember reading in Autocar-India website long back about testing Octavia RS on Koni FSDs. They had reported that it's worth the upgrade.

Has anybody tried this?
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Old 20th April 2010, 15:28   #27
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i would hesitate to fiddle with manufacturer specs.
yes the Scorpio does have body roll but it is less when it is fully loaded with passengers and luggage.
however I feel they would have done a better thing if they had taken a leaf out of the JEEP Cherokee book and made the roof flat, instead of having that high top. rather like the old Maruti Van which used to come in hi top and normal version and if I remember right that hi top used to be prone to toppling.

the Bolero has better handling dynamics around curves on hilly roads than the Scorpio has. wish the new gen Scorpio/ world SUV takes these things into consideration.
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Old 20th April 2010, 15:46   #28
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Quote:
Originally Posted by hps aulakh View Post
@ everyone who been thinking that this experiment was undertaken without going in the tech details and being a novice.I happen to be a vintage & classic car collector for the past 15 years with a collection of about 32 cars and been a dealer for mahindra and escorts for about 23 years ,so i know the way their R&D dept. functions.
It would be nice if you could explain how the R&D dept functions, has the ride height changed after the modification? BTW do you have a dealership at Patiala?

Spike
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Old 20th April 2010, 15:57   #29
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I have a distinct feeling that reducing the height of the coils will impact the CG of the vehicle. This will further affect the force on the vehicle altogether. A part of mechanics, but it would always be better not to alter the height of the vehicle. If taller, we can push in more weight and get it to normal, but if shorter then there is a problem. Shorter ground clearance is coupled with wider space between the wheels to maintain the CG. In case of the Scorpio, the wheels cannot be widened, so the CG gets affected. However, am sure the Seniors here would have a better view
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Old 20th April 2010, 17:40   #30
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Hey Immortal, I think he's done it only for the rear so alignment should be OK there (solid axle) but its going to have a squatted stance.
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