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Old 09-16-2007, 06:31 PM
Kruzin Karl
 
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Progressive Automotive front suspension?

I did read the one positive review for the company, but I'm hoping to hear from anyone that has used their Corvette based front suspension.

I'm interested in using it on my 35 Ford pickup. Wondering if it has that much better of a ride than the Mustang II, and how good is the geometry in my application?

Thanks in advance - Karl

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Old 09-16-2007, 06:36 PM
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What generation of Corvette suspension is it based on, C3, C4 or?
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Old 09-16-2007, 06:51 PM
Kruzin Karl
 
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The two options they show are based on the years 84-87, and 88-96.

I don't see any difference in pricing for the two options, and I personally don't know the difference between those sets of years.

Do you have any idea what was changed between those versions?
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Old 09-18-2007, 07:36 PM
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I haven't got to the driving stage yet, but I can say mine ended up cheaper than a MII setup and looks a bunch better too. Bob is a great guy to deal with and his parts fit.

Russ
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Old 09-18-2007, 08:16 PM
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Thanks for the reply and pic, that's what I wanted to see.

If you don't mind me asking, how much was the cost on the setup, and how complete was it? Did it include the rack, rotors, calipers, etc?

How well did the install go, same as a MII, easier, more difficult?

What year is the car/frame?


Thanks - Karl
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Old 09-19-2007, 06:46 PM
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Quote:
Originally Posted by Kruzin Karl
Thanks for the reply and pic, that's what I wanted to see.

If you don't mind me asking, how much was the cost on the setup, and how complete was it? Did it include the rack, rotors, calipers, etc?

How well did the install go, same as a MII, easier, more difficult?

What year is the car/frame?


Thanks - Karl
No problem, the bracket kit was $715.00, the Aldan coil-overs were $395.00, the r&p steering with bushings was $165 (all from Progressive), the '87 C4 front clip was $675.00 from E-Bay and the brake rotors were $90.00 off E-Bay for the pair. That's $2040.00 plus maybe $20.00 worth of glass bead and a couple of bucks for paint. Check here if you haven't already.

I think the C4 is much better looking and somewhat sturdier than the MII and has better brakes (stockers are 11 3/4" and fit 15" wheels). It basically involves welding in the main crossmember, then a bit of time trimming and fitting the coil-over mounts and fitting C-notches in the frame rails.

The car is a '47 Ford long-door coupe...

Russ
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Old 09-19-2007, 07:48 PM
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Quote:
Originally Posted by Kruzin Karl
The two options they show are based on the years 84-87, and 88-96.

I don't see any difference in pricing for the two options, and I personally don't know the difference between those sets of years.

Do you have any idea what was changed between those versions?
Interesting and since they offer both, that's good. It provides more versatility for various applications. The most important thing here useful to rodders is that the earlier version is in the ballpark of 1.5" narrower between wheel mounting surfaces.
Aside from that, geometry changed a bit but both are excellent handlers. Virtually no parts interchange between the early and late versions, not even the brakes.
Depending upon the price of an aftermarket version, you may just want to look at a factory assembly. It's virtually self-contained to the crossmember which can be cut from the Corvette's frame. The A-arms are aluminum and have the appearance of tubular arms. The spindles are also aluminum. You could use the factory transverse fiberglass spring or easily convert it to coilovers if desired. The rack is also attached to the crossmember.
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Old 09-22-2007, 05:33 PM
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Russ, you said you had your front set up with coil overs? Did you have to adapt or change anything to do that?

Do you see any problems involved in putting in Shockwaves?

Thanks - Karl
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Old 09-23-2007, 01:17 PM
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Quote:
Originally Posted by Kruzin Karl
Russ, you said you had your front set up with coil overs? Did you have to adapt or change anything to do that?

Do you see any problems involved in putting in Shockwaves?

Thanks - Karl
They send a pair of small brackets that bolt to the lower control arm. The upper mounts are reversible - one way for coil-overs or flip them over for shockwaves. The upper mount position for the shockwaves is slightly outboard and lower than the coil-overs because of the length/diameter difference. I told Bob that I'm using 'glass front fenders and an LS-1 motor and he spec'ed 550# springs. Seems high to me, but they do mount at a slight angle. They also sell a swaybar kit which I did not buy...

Russ
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