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By oldcarmark - 5 Years Ago
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How much do these Coils drop the Vehicle Height on 55-56 Passenger Cars?
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By DryLakesRacer - 5 Years Ago
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Mine was about 2-1/2”. I used polythrene spacers on top 3/8” for silencer pads. You can tell by the tire to the front fender lip and the rear rim to the fender lip without your skirts. My rear is not lowered but the pads were removed when I changed rear ends. I have 205 15’s in front and 215 15’s in the rear. 
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By Tim Quinn - 5 Years Ago
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Front: 2.5 to 2.75 inches
Rear: 2" lowering blocks
Hope this helps,
Tim
Central Florida
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By NY59F100 - 5 Years Ago
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I can’t find the pictures with my actual measurements, but it was about 2 1/2”. I used lowering blocks in the back. I think they’re 2 1/2”. I’ll check later. The first picture is stock and the second is lowered. I’m running bias plies.   
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By oldcarmark - 5 Years Ago
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How do You find the Handling with the replacement Springs? Do they bottom out?
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By DryLakesRacer - 5 Years Ago
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They are compound wound and I have found the ride to be perfect unless you com to an unseen dip. They act like they are going to bottom but don’t at least for me. I still use my original shocks since they were good al the way down to the stock rubber stops which I did not change either so why look for others.
Many on other sites have said they would have cut the stock springs about two to two and one half coils to keep the original ride thru the complete movement. I did that in 1961 while in HS and as I remember I like the ride now better. The stock rears always start sagging because of their length and give mine the “rake “ I like..Here is a photo when I was installing them for a comparison. The pad on the AeroStar goes on the top. There are different thicknesses available. I bought them by the diameter. I believe these are for Toyota Pickups. You can see the stock silencer pad on the far left..
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By Talkwrench - 5 Years Ago
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 its about 2 1/2" , I have just over 2" lowering blocks in the rear. Can't say Im the greatest fan of the aerostar springs.
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By oldcarmark - 5 Years Ago
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What's the Downside of using these Springs?
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By DryLakesRacer - 5 Years Ago
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If you like the look and the ride, nothing.
If you like the look but not the ride you can take them out and cut original coils or disassemble the lower A arms and install 2” spacers. (Look that up)
Adjusting your headlights and have something break you can’t find.
Loosing points with your purist friends.
If your tall and old, hitting your head on the top sooner.
Once you’ve cut the original coils you need to by new if not happy.
All I can think of... other may add.
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By miker - 5 Years Ago
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I've been really happy with the Aerostar's in my bird. It started out with 7 year old stock springs, but only 1600 miles. Those got cut to lower the car, then replaced with the Aerostar's. My car doesn't bottom out even on fairly rough bumps.
I like the slightly softer ride on smoother pavement. The progressive wind doesn't come into play until you really lean on it in a corner, or hit a pretty big bump. I've got oversized front anti-roll bars, and that plays into it also.
From the remarks I've read it seems the local road conditions play a big part. In Seattle we don't have the big frost heaves I've seen in other areas (the Al Can Highway comes to mind). We tend to be rough from bad patches and wear, and not so much from potholes.
Just how that translates to a full size car I don't know. But I suspect it's similar.
If the guys with passenger cars would post the distance from the ground to the fender lip or the headlight center it would be helpful. No telling how close to stock height a car is after all these years, or what else has been done in the meantime. That would tell you a little more. I do know one bird guy combined the Granada spindles with the Aerostar springs and went back to stock springs. Too low for his driveway.
How low is too low is another topic, I'm not going there.
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By Talkwrench - 5 Years Ago
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Seems to be soft in mine . I finally put the correct height "sports" shocks in and still not great, I'd be happy with my cut springs if I could be bothered taking them out..
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By DryLakesRacer - 5 Years Ago
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Correct on the combo of Aerostar springs and Granada spindles. It’s one or the other unless your a hard core low rider who does not mind angling in all driveways and never goes over speed bumps.
There are so many good kits for discs that using the Granada spindles is no longer needed. Personally I would be skeptical of any non Ford factory ones.
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