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by Rallyho
Sun Apr 04, 2021 12:11 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

What brand is the coil spring eliminator you got? I'm finding allll sorts of stuff, but not one that looks like yours.
https://www.summitracing.com/parts/aaf-all64100
by Rallyho
Thu Apr 01, 2021 5:49 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Did you finish the fab for those? I like that idea too. Maybe that will be phase 3.2
by Rallyho
Thu Apr 01, 2021 5:27 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Interesting. So, those look like about the same spring rates I've seen floating around, although the fr's would have gone up a bit if you cut a coil off. If I go the route of modifying the lower perch, these are available between 400-500lb spring rates. Free height is a little shorter than an SPG sp...
by Rallyho
Thu Apr 01, 2021 2:40 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Pascal, did you figure out what your 5in fr spring rates were?
by Rallyho
Thu Apr 01, 2021 11:49 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

...rummaging through kitchen junk drawer for a strain gauge...
by Rallyho
Thu Apr 01, 2021 9:54 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

The plan for this weekend is to do some measuring on the car and a bit of headscratching. Hopefully can get some corner weights, shock lengths, spring rate calcs (still don't have a spring rate tool), full droop & compression and see when/if the tripods pull out of the inner drivers. I'll also t...
by Rallyho
Sat Mar 27, 2021 8:33 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

ooooh, look what I found. Anyone want to take a crack a throwing some numbers in?
http://www.usrallyteam.com/content/tech ... ulator.xls
by Rallyho
Sat Mar 27, 2021 10:14 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Pascal, you wouldn't happen to know the spring rate and damper valving for them there Fiesters, wouldya?
by Rallyho
Fri Mar 26, 2021 6:11 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Yeah, we've blown through the sheet metal on one side and scabbed in some angle iron at one point. Has anyone cycled the suspension while watching the tripod move in the inner driver? Our inner driver failure in 2018 was a strange one...we hit a big embedded rock on the left side while landing a jum...
by Rallyho
Fri Mar 26, 2021 11:56 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

And, FWIW, ShockWarehouse claims that KYBs for C900's measure in at:

Front 14.25/9.25in
Rear 17.87/11.69in
by Rallyho
Fri Mar 26, 2021 11:45 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

https://www.summitracing.com/parts/bsn-25-187878

Something like this would almost be a direct fit for the rear and if the fr top mount gets moved up a bit, could add an inch of travel there. Unsure about the valving....380/60.
by Rallyho
Fri Mar 26, 2021 10:01 am
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

At $200ish/shock, a single bigboy shock would be cheaper. Anyone know the compressed and extended length of oem fr a rr shocks?
by Rallyho
Thu Mar 25, 2021 1:25 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

Your double eyelet idea is where my head is at...shock like this. https://www.summitracing.com/parts/bsn- ... EdEALw_wcB
by Rallyho
Thu Mar 25, 2021 1:19 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

nefr 2018 yump.jpg
hmm, totally non scientific, but looks like we may have similar droop. And if I zoom in, I see space between the axle and the lower "hoop" in the body shell...maybe another inch.

And a snot pile of compression...
by Rallyho
Thu Mar 25, 2021 12:30 pm
Forum: SAAB MOTORSPORT TECH
Topic: Rally Suspension project
Replies: 47
Views: 19183

Re: Rally Suspension project

And, I think the direction I'm going in for the moment is springs in their stock location with larger shocks using fabricated upper mounts if needed to accommodate for longer overall shock length. And I kinda want to go back to an upper mount more like the 99 where the attachment point is inside the...

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