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  #1  
Old Nov 25th, 19, 01:46 AM
Aukai Aukai is offline
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Default Too low

With the engine in, and on the ground the 350# coil over springs are too light. I have not scaled the car yet, so I''m just guessing, but have called Menscer performance, and ordered 400# springs for the front. I'm hoping for some stored energy, and not too stiff ride, we'll see how it works. I jacked the car for 4.5" clearance to the oil pan for the second picture.



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  #2  
Old Nov 25th, 19, 11:56 AM
62 NovaWagon 62 NovaWagon is offline
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Default Re: Too low

Second picture is better,
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  #3  
Old Nov 25th, 19, 02:51 PM
Big Dave Big Dave is online now
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Default Re: Too low

320 is about the stock spring rate. Surprised it sat so low. Where is your lower spring perch located on the shock body? I assume it is all the way down near the bottom. With such a soft spring you might have to run the lower perch up on the body to get the compression up enough to raise the car a bit (not going to dial in a 4-1/2 inches though).

I would look more for a 500 pound spring, though they tend to be shorter (five inches of free height and you want as much free height as you can get for weight transfer around eight inches or so). You need to know the inside diameter of your spring (depends upon the outer diameter of your shock body) and you can then find a spring with the desired spring rate and free height for your shock.

I used to run stock six cylinder springs (about 320 spring rate) with my big block to get a stance like you have. When I hit the gas the front end would rise over eight inches before I hit the stops (I used a turnbuckle with two pieces of short chain to limit suspension travel) for better weight transfer. I was very nose heavy at the time as I had cast iron heads on my '67 Chevy II. The six cylinder spring had a very tall free height and used a thin wire (compared to the V8 spring). This was useful for storing energy to lift the front end on a launch but allowing the front end to sink back down again in fourth gear for better aerodynamics (which was important to maintain stability since the car was hand full to drive on the top end).

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  #4  
Old Nov 25th, 19, 02:51 PM
Big Dave Big Dave is online now
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Default Re: Too low

Duplicate post

Last edited by Big Dave; Nov 25th, 19 at 02:54 PM. Reason: Data Base Error on the server
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  #5  
Old Nov 25th, 19, 10:06 PM
Aukai Aukai is offline
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Default Re: Too low

There are about 3" of shock body threads under the springs at this time total. That is the bottom of the spring with the adjuster included in the 3". Now the top of the shock is in the upper fender buckets as seen in the picture here.

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  #6  
Old Dec 31st, 19, 02:16 AM
Aukai Aukai is offline
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Default Re: Too low

Finally able to work on the Nova again, and work on the ride height. I changed out one set of coil over shock springs, and got a good amount of change, but it's extending the shock too much. The previous owner did the conversion, and added 3" buckets to the shock towers that made the car lower. 2 1/2" oil pan clearance is not gonna cut it, soooo,,,,,
For the very first time ever, I used a/my lathe, and cut 1 3/4" out of the tower bucket. Setting everything up, center height for the blade and double checking procedures for parting, and truing up the buckets on the jaws took most of the day. It was successful, I didn't get hurt, and nothing broke. Now to weld this one up, and do the other side. Hope everyone is safe, and have a happy New Year







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  #7  
Old Jan 4th, 20, 02:29 AM
Aukai Aukai is offline
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Default Re: Too low

Well I have something to work with now, I have to adjust down a bit now. There are no fluids, or exhaust, so when all the weight is in I'll either change back to the 350# springs or lower the adjusters on the 400# springs.



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  #8  
Old Jan 4th, 20, 07:33 AM
62 NovaWagon 62 NovaWagon is offline
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Default Re: Too low

Looks good..
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  #9  
Old Jan 4th, 20, 11:59 AM
Big Dave Big Dave is online now
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Default Re: Too low

And all along I assumed you were using a Mustang II front end to get coil overs. How much of the original front suspension (with it's eccentric washers used to align it; that never stay put) did you retain?

You have a Fox Body Mustang coil over mounting system now Except for the rotating washer problem that Ford got around by using an adjustable top plate with four slots to move the strut around for alignment.

It was that award wining front end for being the cheapest to manufacture that caused me to weld in two two by three rectangular tubes and mount a 1964 Ford Econoline van straight axle under my 1967 Chevy II back in 1970. No kidding the automotive industry gives out awards for the best or worse designs. In 1962 the Chevy II won for the worst (cheapest) design.

I had to convert over after my first wheelie had me about to turn turtle. Because I finally cured my tire slip problem by buying a pair of 12"x16" Halibrand magnisium wheel with a pair of used Goodyear slicks off of Don Garlits Swap Rat X (was actually called the Wynn's Charger to keep the sponsors happy). The wheels were drilled for five lugs instead of the usual six because Don was still using a 1963 Olds-Pontiac rear end. He wouldn't sell me his rear end because it was welded solid into the chassis, but I found one and cut it down to get tires and rear between the outer fenders. As I came down from my six foot wheelie the left front wheel was torn off the car (and the stamped steel lower control arm with the rod and rubber washer lower trailing arm left with it). Those wheels are worth $4,500 now: where ever they are.

Big Dave
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  #10  
Old Jan 4th, 20, 02:33 PM
Aukai Aukai is offline
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Default Re: Too low

That is an awesome story with Don Garlits Dave, the front end is all tubular now. I'll post another picture when I get the car up, and a wheel off later.

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  #11  
Old Jan 4th, 20, 05:44 PM
Aukai Aukai is offline
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Default Re: Too low

I couldn't keep walking by with the nose in the air, so, I brought it down. Now there is 3 1/2 inches to the back of the pan, and the wheel is back up in the fender well a little bit more. Dave here is a better picture of the A arms, they're TRZ's.





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  #12  
Old Jan 4th, 20, 06:27 PM
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Default Re: Too low

At least those won't fall off. Wonder why the put the coil over on the top A-arm instead of the normal bottom with a strut welded to the frame to support the top of the coil over.

What you have looks very robust and easy to adjust. Should do well in racing or street rodding.

Big Dave
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  #13  
Old Jan 4th, 20, 08:22 PM
62 NovaWagon 62 NovaWagon is offline
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Default Re: Too low

That is a nice setup...
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