Stop in for a cup of coffee

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The heavy weight SS springs have the extra leaf. These are the lighter A-body ones that don’t.
You mean the 2800 lb super stocks or the XHD ones? I was under the impression the super stocks had the extra half leaf on the right side?
 
These spring aren’t for drag racing, you would need the heavier ones. These are to balance your torque on the street when you get on it. It will also help on a road track when you lean into the throttle coming out of curves to help keep the torque stress level in the rear so you can use more of what you have for power.
Now I have a lot more to think about!!! :BangHead::thankyou:
 
No easy answer here. Try a set that you know will have enough free arch + rate to support the weight of the car without going into a negative arch. See how it works out and make changes as needed. I know, changing leafs is not much fun, but it may be needed to get the car where you want.
Normally a road or track car will want to start with fairly flat arch. Arch can help with the torque, and there's stuff from circle track oriented companies like Afco and Landrum about that.

I think Hotchkis and Firm feel are both worth talking to. They deal alot with street performance. In fact that's most of their market. I think one or both will have the experience to help. The only downside is of course they would like to sell product. Spring Fling and the track day is another opportunity to ask questions
 
dang George. I've only had a half glass. Where? Nevermind - General's site. Yes. lol

I'm calculating 80 lbs/in from the info on Stengel's site. It could be a similiar spring from another manufacture. View attachment 1715156252

One thing I look at is the spring pack thickness. A thicker pack with the same numbe of leaves is probably going to take more abuse and last longer.
More thinner leaves take more abuse but could sag sooner. Ford went to fewer springs but thicker,and they break.
 
More thinner leaves take more abuse but could sag sooner. Ford went to fewer springs but thicker,and they break.
I suppose if all were equal, I'd agree. The good Chrysler springs had a thicker 1st and maybe 2nd leaf. The "HD" springs from Triangle did not, and they did not hold up. The right side in particular lost ride hieght and spring rate. For racing, there's a minumum thickness recommended in the Chassis book and I give it full credence. I'm currently using Landrum circle track springs, 4 thick leaves and they've held up really well. Would that be my prefered choice? No. It was an easy and cheap way for me to try out a spring rate and ride hieght.
 
Intereting Ford went to less leaves. AMC went to more, thinner leaves on the front of the Wagoneers/Cherokees in the late 70s. My understanding was for better ride quality. Rears are 4 thick plus an overide.
 

Photo from a young gun friend.
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I'm kind of worried about where this class is going with this week's discussion. We're studying the government's response and handling of Ruby Ridge. Watching a documentary on it now.
 
Me too. Lol
At least Ma Mopar made it subtlety obvious. Changes were just enough but didn't stand out greatly.

Come to think of it... did Ma mopar ever not make a tweak from one year to the next? They either changed grilles, headlights/taillights/marker lights or trim it seems every single year or at most, every two years.
 
At least Ma Mopar made it subtlety obvious. Changes were just enough but didn't stand out greatly.

Come to think of it... did Ma mopar ever not make a tweak from one year to the next? They either changed grilles, headlights/taillights/marker lights or trim it seems every single year or at most, every two years.
Every year ad far back as I remember. (Early 60's)
 
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