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Hotchkis rear springs on and early A body #1662150
08/21/14 11:52 PM
08/21/14 11:52 PM
Joined: Feb 2012
Posts: 47
Indianapolis.IN
prrc Offline OP
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prrc  Offline OP
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I have been considering the hotchkis rear leaf springs for my build. My concern is kind of 2 part. I believe these springs were developed for the later A bodies 67 up and they are now offering the same spring for the early A's So how well does this spring work for the lighter cars?
Concern 2 how much testing has been done on the early cars with there parts? or are they just offering them because they will fit?
Like there products just have no feed back on the early cars? Anyone know of anyone running there stuff on the early A's ?

Re: Hotchkis rear springs on and early A body [Re: prrc] #1662151
08/22/14 11:45 AM
08/22/14 11:45 AM
Joined: May 2012
Posts: 841
Santa Fe Springs, CA
Dan@Hotchkis Offline
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How early of an A body? We've done limited testing on the early cars as they become available, its just a slim segment. I have a 63 Dart GT with all of our stuff on the car, I just haven't settled on a drivetrain to stick in it to get it out and about.

Re: Hotchkis rear springs on and early A body [Re: Dan@Hotchkis] #1662152
08/22/14 01:05 PM
08/22/14 01:05 PM
Joined: Feb 2012
Posts: 47
Indianapolis.IN
prrc Offline OP
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Quote:

How early of an A body? We've done limited testing on the early cars as they become available, its just a slim segment. I have a 63 Dart GT with all of our stuff on the car, I just haven't settled on a drivetrain to stick in it to get it out and about.




Dan, It's a 65 Dart running a srt4 engine making 600 H.P. Very lite car. about 2600 with me in it.looking a several of your components. for this car.
This is my personal car. I own a shop in Indianapolis
www.facebook.com/pages/Paradise-Road-Rod-Custom/163984078876?ref=bookmarks

Tim

Tim

Re: Hotchkis rear springs on and early A body [Re: prrc] #1662153
08/22/14 03:02 PM
08/22/14 03:02 PM
Joined: May 2012
Posts: 841
Santa Fe Springs, CA
Dan@Hotchkis Offline
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At that weight that rates would be a bit off. Everything would be a bit too stiff. You are even lighter than most. We can work with you for the valving and the spring rates, but it would be custom order and take some time and may not be cost effective. Your build (while awesome) is a bit out of the perimeters of our intended market. There may be other companies that have the spring rates you need on the shelf and with some basic weights/rates we can ball park a set of shocks a bit better for you.

Re: Hotchkis rear springs on and early A body [Re: Dan@Hotchkis] #1662154
08/22/14 05:05 PM
08/22/14 05:05 PM
Joined: Feb 2012
Posts: 47
Indianapolis.IN
prrc Offline OP
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The 63 you have them on what does it weigh?

Re: Hotchkis rear springs on and early A body [Re: prrc] #1662155
08/23/14 01:06 AM
08/23/14 01:06 AM
Joined: May 2012
Posts: 841
Santa Fe Springs, CA
Dan@Hotchkis Offline
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Quote:

The 63 you have them on what does it weigh?




No final weights without permanent engine selection. Hoping for 2700-2800 lbs.

Re: Hotchkis rear springs on and early A body [Re: Dan@Hotchkis] #1662156
08/23/14 11:04 AM
08/23/14 11:04 AM
Joined: Feb 2012
Posts: 47
Indianapolis.IN
prrc Offline OP
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Thanks Dan, I may contact you if I can't find an off the shelf spring. Still going to order some upper control arms and steering rod kit.
My understanding is your springs are a 130 spring rate? and you think that would be to stiff? I was thinking more in the 160 range. But I guess that would be way to stiff after your input. Was still going to us the 114 T bars out front. But may need to re think that as well. The motor is very light at 390,lbs. My estimation is I'm loosing close 200,lbs off the front end with this motor over say a small block.

Re: Hotchkis rear springs on and early A body [Re: prrc] #1662157
08/23/14 11:24 AM
08/23/14 11:24 AM
Joined: May 2012
Posts: 841
Santa Fe Springs, CA
Dan@Hotchkis Offline
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Quote:

Thanks Dan, I may contact you if I can't find an off the shelf spring. Still going to order some upper control arms and steering rod kit.
My understanding is your springs are a 130 spring rate? and you think that would be to stiff? I was thinking more in the 160 range. But I guess that would be way to stiff after your input. Was still going to us the 114 T bars out front. But may need to re think that as well. The motor is very light at 390,lbs. My estimation is I'm loosing close 200,lbs off the front end with this motor over say a small block.




Need to get corner weights to do it right. In all reality with your weights being where you think they'll be, our leafs with a 1.06 T-bar would put you in a pretty aggressive spring frequency which may be in the ball park of what you are looking for any way. 1.14 for that light of a car is a HUGE spring, an probably overkill unless you've caged and braced the whole chassis. Remember, if the suspension can't flex the spring, it will flex the chassis.

Re: Hotchkis rear springs on and early A body [Re: Dan@Hotchkis] #1662158
08/27/14 08:10 PM
08/27/14 08:10 PM
Joined: Feb 2012
Posts: 47
Indianapolis.IN
prrc Offline OP
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prrc  Offline OP
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Indianapolis.IN
Thanks Dan, I think I will buy a set of your springs and get on a set of scales to see where we are with this. I they won't work I'm sure I can resale them and get most of my money back. If they work out I'm 1 set ahead.
Thanks Tim







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