what leaf springs are best? - Team Camaro Tech
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post #1 of 3 (permalink) Old Apr 19th, 00, 09:03 PM Thread Starter
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Join Date: Feb 2000
Location: San Bernardino, CA
Posts: 1,082

in the next week or 2 my dad and i are going to install my new 12 bolt. my car right now has mono leafs and a 10 bolt. i was looking in classic industries catalog (i only buy from them, because they are close, and i can look at the product.) and i noticed that they have a 4 leaf and a 5 leaf you can buy. it says the 4 leaf is only for z28 and the 5 if for all but base and z28. i was wondering if the 4 leaf was any better than the 5 or the other way around, and i wanted to know if the new leafs would jack up the rear of my car like a nova. also whats a good spring rate. the 4 leaf is rated at 126lbs and the 5 at 143lbs. and the run down for my car is 355 built, TH400 tranny, and the rear is a 12 biolt 3.07 posi that well probably have a gear change later in life. what set up well give my car the best traction for a street/strip use, mostly street. thanks.

BLack 69 coupe 350/TH400 factory A/C
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post #2 of 3 (permalink) Old Apr 20th, 00, 01:36 AM
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Join Date: Jan 2000
Location: PA
Posts: 915

well, first off, if you install the multi-leafs, you will raise the rear of the car. seeing that you have mono-leafs, you need to get parts to switch over to the multi's. you'll need new front spring perches,new u-bolts. i think that the lower shock mount might also have to be changed, not sure, it's been awhile. but for performance reasons, people tend to go with the mono's because they give a little better, but for handling, 4 or 5 ply multi's will do great. they also make fiberglass leaf springs which i have heard a lot of people like. i think a company called, "vette products" makes them. so really it's up to you on what you want to do with the car. i used mono-leafs with housing floaters and a ladder bar setup, before i went to a coil over setup. they multi's are a little stiffer on the ride. so really it's up to each individual on what they want.
good luck,
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post #3 of 3 (permalink) Old Apr 20th, 00, 04:04 AM
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Join Date: Mar 2000
Location: Mesa, AZ
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MY, i installed leafs from a 78 Z/28 about 10 years ago, to replace my mono's. They were used, did not change my ride height, and the height has not changed. They are alot stiffer, but in my opinion, thats good. With the monos the ride height would change more than an inch, between a empty tank and a full tank of gas. Now, i can't tell, and it is not overly stiff.

67 410sb 11.63 @117.6
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