Hey everyone! My girlfriend just bought herself a used Locost 7. It was very much an impulse buy, and we are diving head-first into it, and have some suspension questions.
The first thing this thing needs is new coilovers. The ones on it are completely worn out, leaky, and just shot. My game plan had been to just take them off the car, look up the part numbers, and just order identical replacements, but of course it isn't that simple. First off, the shocks are Carrera-branded, which I have learned was purchased by QA1 a few eons ago. Searching their part numbers turns up literally NOTHING on the interwebz. So I went to the QA1 site, and tried looking up custom shocks based on the lengths I measured, but nothing quite matches. Additionally, I know the front springs are 200 lb because they're actually QA1 springs I was able to look up. The rears are unlabeled, but I SUSPECT they're way too stiff because the rear shocks BARELY compress when the car is sitting (less than an inch.)
SO, we've gotten to the point where we're just going to kind of wild-ass guess something and order new QA1 shocks and springs, and figured I'd post here first in case there were any, "JUST MAKE SURE YOU DON'T DO XXX" comments we needed to hear first.
Here are the measurements I got from the Locost:
FRONT SUSPENSION - EXTENDED: 11.5" - AT RIDE HEIGHT: 10.5 - COMPRESSED: n/a (need a spring compressor to remove the coil on this one) SPRING RATE: 200
REAR SUSPENSION - EXTENDED: 12.9" - AT RIDE HEIGHT: 12.0" - COMPRESSED: 10.25" SPRING RATE: ???
So I'm looking at getting these at all four corners. They're a bit taller than what is currently at the front, but the next step down was too short, and I figure these have some ride height adjustability so... QA1 DS304 - EXTENDED: 12.75" - RIDE HEIGHT: 10.75-11.25" - COMPRESSED: 9.5"
SPRINGS - FRONT: QA1 9HT220 @ 220 lb (that's the lowest they have) - REAR: Hyperco Coils 189A0150 from Summit Racing @ 150 lb
Does what we're doing make any amount of sense? It's kind of a SWAG and hope for the best. I'm not unfamiliar with working on cars, but I'm COMPLETELY unfamiliar with working on wild-ass kit cars where everything is custom, and I can't just go to the KW website and order a set of V3s specifically for the car, lol.
Last edited by Stang70Fastback on May 12, 2022, 9:47 pm, edited 1 time in total.
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