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why all this talk about agx vs gr-2 when kuntzie was able to put bc coils on his car relatively easily? You still have to grind the perch off the kyb struts and order all of the generic coilover parts and then turn around and use stock mounts. why not buy legit coils in the first place and put your stock mounts on them? Or making new mounts didnt seem hard either if you or a friend has the tools. The bottom mounts need cutting and welding? you could probably make some new tabs pretty quick too and re-welding them would be easy work for any welding shop if you dont have a welder. If you're gonna spend $870ish on the whole project for coils with severe limitations (IMO) and improper valving, why not spend $900-1000 on something that will take a comparable amount of effort to make but are decent coilovers that won't leave you wondering if they will blow out?
 
he used a set of BC coils from a lexus.

he also had to make upper and lower mounts that'd fit the shock body. a little bit of trickery could get you there without much effort.
 
Bio248 said:
he used a set of BC coils from a lexus.

he also had to make upper and lower mounts that'd fit the shock body. a little bit of trickery could get you there without much effort.
Click to expand...

Yep, exactly

After having a set of the agx coils, I'm just not sure that they're worth trying to make when the savings isn't that much and the whole issue of not being able to revalve them for higher spring rates, which you will ultimately need to avoid bottoming out the struts, is considered. Plus for those exact reasons and the fact that the strut is stock length, they don't really go that low. I think that effort is better spent on doing something like kuntzie did. You'll be better off in the long run
 
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i'd be willing to do a little dabbling if someone local wanted to give it a go. i have all the resources to make it work and get it all done, but i'm not creating a set of coilovers for a car i don't even own.

and if i did make a set and just want to turn them around for profit, none of you would pay the $1800+ i'd want after the work that went into them since the initial buy on the coils would be $1000. i would basically make an exact replica of the lower mount on the BC coil (maybe static drop it another inch or so by making the mount angled) and i'd swap the upper portion of the camber plates/pillow ball mounts with another piece of sheet metal with the right slots/holes/studs in it.

it'd be super easy.
 
Bio248 said:
i'd be willing to do a little dabbling if someone local wanted to give it a go. i have all the resources to make it work and get it all done, but i'm not creating a set of coilovers for a car i don't even own.

and if i did make a set and just want to turn them around for profit, none of you would pay the $1800+ i'd want after the work that went into them since the initial buy on the coils would be $1000. i would basically make an exact replica of the lower mount on the BC coil (maybe static drop it another inch or so by making the mount angled) and i'd swap the upper portion of the camber plates/pillow ball mounts with another piece of sheet metal with the right slots/holes/studs in it.

it'd be super easy.
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which isn't far off from what zzp or held is asking to send you the agx coils when they factor in their labor and profit margin
 


Ok guys I have a question about spring rate if anyone can help me. I found a company that make springs and I can choose a range between 4k-28k in the spring rate... What would be the ideal rate for the streets and track?


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usually for street use you'd use 5k on the soft end and 8k on the top end.

my car is setup 6k/5k front/rear, but i have a smaller car (subaru). you usually go softer in the rear.
 
Bio248 said:
usually for street use you'd use 5k on the soft end and 8k on the top end.

my car is setup 6k/5k front/rear, but i have a smaller car (subaru). you usually go softer in the rear.
Click to expand...

And with your setup do you of any kind of hard driving at all as far as turns wise.. Also how would I do the math on to get an idea on whst I should go with.


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really, since spring rates and better handling aren't exactly worked with very often with most grand prix owners, i don't think there is a consensus on what everyone considers the "right" spring rates.

i'd like to think that 7k/6k (393/337 lb/in) f/r would be a good place to start. i know a few guys will do the 400#/350# or so f/r.
 


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