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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Coilover spring choice?? » Post Reply
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AdiSRI |
posted on 28th Sep 04 at 21:46 |
my rear is ell soft, open the tailgate and you can move the car loads with one hand. | |
Siberia |
posted on 28th Sep 04 at 21:36 |
strange strange strange.... i only had a mate up there and we were pushing the car down to see how stiff it was..... | |
AdiSRI |
posted on 28th Sep 04 at 19:20 |
i prob dont need higher poundage springs at all, just the amount of bodyroll i get undermines my confidence when cornering, it just feels wrong! | |
Ian |
posted on 28th Sep 04 at 18:59 |
Surely you only need higher poundage springs if the axle weight is higher? | |
AdiSRI |
posted on 28th Sep 04 at 18:08 |
thanks Joff mine r FK 1865's wud that make then 180mm long and either 50/60 N/mm?? | |
Joff |
posted on 28th Sep 04 at 18:00 |
Without reading above for spring poundage rates, the FK spring (coilover) part number is made up of the poundage and a couple of other measurements - I think one is the unsprung height. | |
TOMAS |
posted on 28th Sep 04 at 17:26 |
Best to jack it up... they will be like big rubber cotton reel shaped things which should sit on top of the damper body. | |
AdiSRI |
posted on 28th Sep 04 at 17:14 |
So u think i should have a look and see if i have any? | |
TOMAS |
posted on 28th Sep 04 at 17:12 |
Trust you'd know the noise cos normal perople would be thinking fuck me your cars going to fall to pieces! Those bumpstops would suite the rear springs on a corsa but normally you fit the rear bumpstops on top of the dampers body/around the piston rod... | |
AdiSRI |
posted on 28th Sep 04 at 17:09 |
i dunno if i would describe it as a bang, if the shocks came with bumpstops on them then it shud have them but otherwise it wont as it was fitted at a garage. | |
TOMAS |
posted on 28th Sep 04 at 16:55 |
Ahh if youve not got any bumpstops that would explain. Without bumpstops you should theoretically have much more suspension travel which is why you get so much scrub and possibly why you get so much bodyroll... Jack it up and take a look. Do you get a metal 'bang' when you say drive over a smallish pothole/sunken drain? | |
AdiSRI |
posted on 28th Sep 04 at 16:33 |
Thats a question, im not sure i have any bumpstops in there... | |
TOMAS |
posted on 28th Sep 04 at 16:29 |
Same as mine, can hardly get the front to compress putting weight on it but the rear - if I sit on the boot edge it will virtually bottom out. Be very carefull about running hard rear springs as they can give you some nasty suprises and arse end happy moments (which arent fun in a corsa). There is nothing wrong with a soft spring, generally for performance you SHOULD run the softest you can get away with. Is there excessive bodyroll i.e more than std (if thats poss lol)? Are your shocks bottoming out a lot over bumps (riding the bumpstops)? | |
AdiSRI |
posted on 28th Sep 04 at 16:18 |
Well im told the current spring is 180mm long, would fitting a 1cm shorter one cause any trouble that you can imagine? | |
TOMAS |
posted on 28th Sep 04 at 16:16 |
Bit of a ball ache but if you want to know for sure whip the springs off, go looking through the yellow pages under spring manufacturers and give some a call to see if they have a rate tester as i'd imagine most would and they would only charge a couple of quid to check... | |
AdiSRI |
posted on 28th Sep 04 at 16:08 |
Going by FK's list the softest ones they make in the correct length are 50N/mm, 290lbs.... | |
AdiSRI |
posted on 28th Sep 04 at 16:02 |
These are all the springs that are available for the FK highsports, so the only other one the standard ones could be are the 50N/mm ones... | |
TOMAS |
posted on 28th Sep 04 at 16:00 |
Well to give you an idea Spax fit 265lb on their coilover RSX kits which is suited to cover the whole 1.0-1.6 Corsa range. Ive spoken quite a bit to the technical guru's at Spax about what setup would be suited to a Valver engine as mines on the way and they said try a 300lb or even a 320lb spring. I really do doubt that FK would supply 350lb springs as std - could you imagine a 1.0 12V with 350lb springs... it would crack the chassis! | |
AdiSRI |
posted on 28th Sep 04 at 15:46 |
right car engine is a X14XE, and its stiff but not very stiff if u get m8. | |
TOMAS |
posted on 28th Sep 04 at 15:43 |
Woah what engine are you running again? Are you 100% sure your current front springs are 350lb as I very much doubt they can be if your saying things are soft? | |
AdiSRI |
posted on 28th Sep 04 at 15:07 |
Currently my FK highsport coilovers seem a bit soft with quite a lot of bodyroll and i have been reccomended stiffer springs. |