where to get shocks shortened?

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where to get shocks shortened?

Postby postfach » Sat May 05, 2007 7:13 pm

Not really a tech question so I posted in here, i hope that was right,

I need to get my shocks shortened, is there anyone on here who does this or knows where I can get it done for a good price? Also want them revalved to be a lot firmer if possible.

Cheers.
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Postby B1NZ » Sat May 05, 2007 7:32 pm

I've seen a few shocks shortened at the Taupo classic rally, You could try entering that? :lol:
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Postby postfach » Sat May 05, 2007 7:35 pm

i guess they get firmer when they bend too :P well failing all other options i might just have to give it a go :twisted:
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Postby TRD_ZERO » Sat May 05, 2007 7:37 pm

I took mine to the shock shop ....yeah obvious i know. It was quite a few years ago so i dont remember how much it cost, i dont think it was too much though.
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Postby RED TOP MR 2 » Sat May 05, 2007 8:45 pm

autolign does it got my rears shortened for $100 for the pair.worth giving them a buzz they are really onto it bassed in harris rd mt wellington.
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Postby evil_si » Sat May 05, 2007 8:57 pm

its not hard to do,
go and see an engineer . machine shop, takes about 15-20mins each, should be able to do 2 in an hour, most machine shops charge approx $65ph

i can give detailed instructions on how to do it if needed.
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Postby postfach » Wed May 09, 2007 1:15 pm

ok, so i went to autolign and they told me they can't shorten them due to them being tems, and the shafts are hollow and thus can't be machined? this i kinda understand. Then they told me that shortening the shocks doesn't lower the car anyway? correct me if i'm wrong but if the shock gets shorter, surely the car gets lower??
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Postby fivebob » Wed May 09, 2007 1:25 pm

It's only the height of the shock that is affected. As the spring preload is much greater the car does not sit any lower. Unless you shorten them to an extent that the springs are greatly compressed, then it will be lower at rest, but the shock won't move until the preload is exceeded, making for a very rough ride.

The only reason I can see for shortening shocks is to fit shorter springs and keep them captive.
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Postby postfach » Wed May 09, 2007 1:35 pm

well in that case this is not the solution for me, my car rides too high and i want to lower it to a decent height (there is literally 80mm between the top of my tire (255/35/18 ) and the bottom of the wheel arch). guess i'll just have to get adjustables.
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Postby Mr Revhead » Wed May 09, 2007 5:08 pm

no, you can fit normal lowering springs

TEMS suggests ae92?
try some cobra springs etc.
as long as you dont go silly low stock shocks will be fine
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Postby postfach » Wed May 09, 2007 5:12 pm

Mr Revhead wrote:no, you can fit normal lowering springs

TEMS suggests ae92?
try some cobra springs etc.
as long as you dont go silly low stock shocks will be fine


MZ20 Soarer, though I have an AE92 with TEMS also, I don't feel the need to lower that as it's my daily.

I've got DobiSport lowering springs on it, have been on a good 2 months now and its still a monster truck. I'll post up a pic of the ride height in a while, I'm going to be using the car mainly on the track so I can afford to go a fair bit lower as I don't really have to worry about bumps and things too much (apart from at puke)
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Postby postfach » Wed May 09, 2007 6:41 pm

They say a picture says a thousand words, this one says eight:

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Postby deaf_rattle » Wed May 09, 2007 6:47 pm

yeah, it does look like a barge at the moment, need to go down about 100mm and run some badass wheels and the flares i have
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Postby postfach » Wed May 09, 2007 6:56 pm

deaf_rattle wrote:yeah, it does look like a barge at the moment, need to go down about 100mm and run some badass wheels and the flares i have


I've worked it out at 80mm, any lower and I think it will be a tad low. Definitely need to pump the guards out a bit, when I lowered it down even more just to see, the rear tire was actually pushing it out a bit even with the crazy camber, and I only want to run between -0.5 and -1 degree on the back.
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Postby deaf_rattle » Wed May 09, 2007 6:59 pm

Image

thats what you want :wink:
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Postby postfach » Wed May 09, 2007 7:03 pm

haha it lights up the rears easily enough as it is, i can't imagine what it would be like using only 10% of the tire to try and drive :P looks sweet though.
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Postby deaf_rattle » Wed May 09, 2007 7:04 pm

yeah, ill get it legal as it is, and then ill sort out camber later on.
gotta get the damn thing going first
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Postby postfach » Wed May 09, 2007 7:10 pm

heh always the way. i took mine out for a short drive this evening after putting the shocks back in and it feels soo strange after driving my ae92 for a few weeks and not touching the soarer
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Postby Skin » Wed May 09, 2007 8:06 pm

im a knob :D
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Postby A.D.D. » Wed May 09, 2007 8:26 pm

postfach wrote:haha it lights up the rears easily enough as it is, i can't imagine what it would be like using only 10% of the tire to try and drive :P looks sweet though.


Hmmm... I think that (excuse my technicalness) only the weight on the tire and the friction co-efficient of the rubber affects how much grip you have. You adjust the camber only to make sure that you get even tire wear.

From memory I think that the theory I was taught was
torque = friction co-efficient * weight

Nowhere did the contact patch come into it. I'm happy to be corrected though.
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