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Old 07-26-2019, 05:56 PM
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QA-1 Coil Overs

Working on a project car (not mine) that has a 4 link with QA-1 coil overs. There is nothing to lock the ring under the spring that sets load on the springs.
The fronts have a set screw to lock the ring. Anybody know what is missing/needed?
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Old 07-26-2019, 06:50 PM
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The similar shocks I have dealt with the spring load combined with the ACME thread pitch prevents them moving on their own, they don't need a lock screw.
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Old 08-03-2019, 03:14 PM
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These look like the Vikings on my 4-link, a set screw in the adjustment ring lock into the notch that runs the length of the thread?
Looks can be deceiving but it looks like the adjustment ring has 4 set screws?
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Old 08-16-2019, 12:33 PM
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Coil over spring rate

How can I tell the rate of my current coil over springs? I want more ride height and want to figure which springs I currently have and what I need to get
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Old 08-16-2019, 12:54 PM
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That style doesn't have the lock screws. Adding them would be super easy. Drill and tap the desired size right through the hole where the spanner wrench goes. IF you don't wann do that it's not really a big deal as the ACME thread and weight of the spring should keep it from moving around.

As far as the spring question goes, smashing them is the best way. Find you a speed shop or circle track shop or just a friendly racers online that has one. Most do these days. It only takes a couple minutes so bring beer.
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Old 08-28-2019, 09:25 AM
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Adjust spring rate for ride quality. Adjust lower shock mount height to alter ride height.
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Old 08-28-2019, 10:14 AM
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Quote:
Originally Posted by jaw22w View Post
Adjust spring rate for ride quality. Adjust lower shock mount height to alter ride height.
How can that be done? Again, how can I tell the spring rate I have?
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Old 08-28-2019, 10:30 AM
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Find someone with 20T press and an old bathroom scale. Measure as carefully as possible and try to compress the spring 1". You might not get a full inch of travel before running out "scale", so you may need to do some math.

Russ
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Old 09-03-2019, 01:38 PM
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Quote:
Originally Posted by V8Square View Post
How can that be done? Again, how can I tell the spring rate I have?
I have probably 10 sets of coil over springs. They all have the spring rate engraved on the flat of the spring. If you take the spring off the shock I'll bet it's there.
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Old 09-03-2019, 01:49 PM
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Quote:
Originally Posted by V8Square View Post
How can that be done? Again, how can I tell the spring rate I have?
I have probably 10 sets of coil over springs. They all have the spring rate engraved on the flat of the spring. If you take the spring off the shock I'll bet it's there.
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Old 09-03-2019, 03:11 PM
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Quote:
Originally Posted by jaw22w View Post
I have probably 10 sets of coil over springs. They all have the spring rate engraved on the flat of the spring. If you take the spring off the shock I'll bet it's there.
I should have known that an, almost neighbor of mine, could help me. I live in Illinois
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