Originally posted by Aptyp
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Last edited by Hellabad; 01-12-2011, 12:30 PM.Here is my photo gallery answering common questions about Ground Control Suspension, and e30 suspension problems in general.
Ground Control Gallery
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yes, you took a pic of the e36 housing... now take it apart. Take both inserts out and snap a pic.
Also, and I'm sorry if you're not shamelessly plugging your product, but I don't know where your special efforts to correct geometry are. I aligned my front within specs and posted results for a reason.Last edited by Aptyp; 01-12-2011, 09:48 PM.
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Another note to add, for $400 you do not get struts... So you'd have to modify e36 housing you got. So if you DO have e36m housings, you may as well get the e30 kit, because you won't need to mix and match sets. That's what I ran for 5 months without any issues.
GC setup is amazing, but it's not that amazing at $400. You'll have to spend $1800-$2000 and piece together a kit then.
For $400 however, you can't even buy sport billies, so right there, you'll be spending a pretty penny to run e36 GC "conversion" kit. You may as well buy ebay coilover kit. You'll have a ton of fun for a while, til they seize.
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Originally posted by Aptyp View Postyes, you took a pic of the e36 housing... now take it apart. Take both inserts out and snap a pic.
Also, and I'm sorry if you're not shamelessly plugging your product, but I don't know where your special efforts to correct geometry are. I aligned my front within specs and posted results for a reason.
But where the bumpstop is, which could vary even inside the shock, is what really matters travel wise. Not to mention a really long housing, even if in theory the bumpstop was way down, would still cause travel issues because of the housings physical hieght..
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I think my latest picture, and others in my gallery are helpful. Almost half of them have nothing to do with our company. (The washer that everybody leaves out but they don't know what to look for, how to tell when your Bilsteins are bottomed out, etc.)
Originally posted by Aptyp View Postyes, you took a pic of the e36 housing...now take it apart.
Originally posted by Aptyp View PostTake both inserts out and snap a pic.
Originally posted by Aptyp View Post
Also, and I'm sorry if you're not shamelessly plugging your product,
But instead, I went and assembled a stock e30 strut (see the brand new oem gland nut in the pic?) and a stock e36 M3 strut, and took a picture of them next to each other.
Originally posted by Aptyp View Postbut I don't know where your special efforts to correct geometry are.
Originally posted by Aptyp View PostI aligned my front within specs and posted results for a reason.
When you swap the e36 parts on, and then move the bottom forward, the e30 tie rod shifts to different angle. This inarguably promotes bumpsteer. Its actually pretty simple, you just have to pay attention to where (and how far) everything is moving to.
Respectfully,
JayLast edited by Hellabad; 01-13-2011, 04:34 PM.Here is my photo gallery answering common questions about Ground Control Suspension, and e30 suspension problems in general.
Ground Control Gallery
The Ground Control facebook page: Dragged, kicking and screaming into social media to see what happens next.
Ground Control facebook page
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Jay, can you get away with moving the rack forward to the other holes in the subframe or is it not that simple? (That's probably a stupid question that could be answered if I had a tape measure handy...)'89 325is S50 Track Montser
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Originally posted by Fidhle007 View PostJay, can you get away with moving the rack forward to the other holes in the subframe or is it not that simple? (That's probably a stupid question that could be answered if I had a tape measure handy...)
This would be in the "ackerman" chapter of Carroll Smiths second (?not sure) book.
Only from memory, but the reason why is in there, not sure exactly which of his books, but the chapter is about ackerman in a Formula Atlantic car.Here is my photo gallery answering common questions about Ground Control Suspension, and e30 suspension problems in general.
Ground Control Gallery
The Ground Control facebook page: Dragged, kicking and screaming into social media to see what happens next.
Ground Control facebook page
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Originally posted by Hellabad View PostUm...all e36 housings are sealed, and cannot be taken apart except by cutting them, (and then you cant measure them anymore).
e36 does not have an insert that can be photographed.
I make a spacer for a short Bilstein and weld on the threaded part. This way I run e30 Springs on e36 spring perch, drops front end about 15mm.
Bumpsteer and King Pin Inclination are two of them.
Thats been very helpful I'm sure, but bumpsteer is not part of a regular old alignment. Recording and correcting bumpsteer is perfected in the worlds of OE suspension design, and race car setup, which is a level above camber caster and toe.
When you swap the e36 parts on, and then move the bottom forward, the e30 tie rod shifts to different angle. This inarguably promotes bumpsteer. Its actually pretty simple, you just have to pay attention to where (and how far) everything is moving to.
When will someone make tie-rods to combat this issue? I was thinking of fabricating some brackets that would move the tie-rod back to original locations. What do you have cooking?
Respectfully,
Jay
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