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  #1 (permalink)  
Old 10-13-2006, 07:25 PM
72NOVA454
 
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Monoleaf vs Multileaf Springs on 72 Nova

Help

I'm redoing the rearend and lots of upgrades back there starting next month. One of those upgrades/replacements will be the rear leaf springs. The car will be used for street use only. It will see the drag strip once a year. But make no mistake, I want this car to "launch" and hook up.

Its a 72 nova with a beefed up 454 chevy, TH-350 trans with shift kit, 3.73 gear, 3000 stall converter, and traction bars. Tires are standard "stock" size for now.

The Nova currently has multi-leaf springs. they are worn out. I will replace them with something new

Should I get monoleaf or multi-leaf springs? Please explain your answer.

thanks.

Lee

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Old 10-14-2006, 06:21 PM
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mono leaf vs multileaf

No way on the mono leaf. I had 67 camaro in 1968 and had a recall notice to fix the existing single leaf with a bar clamped from the spring perch toward the front spring leaf near the eye bolt and solved a very bad wheel hop starting in first gear. A simple fix but next year 1968 GM dropped the mono leaf and went with a multileaf spring and staggered the shocks at least in hi-po configurations. If you care to keep the stock look they now have a stronger single leaf for race applications Thur your mail order catalogs like jegs/summit. I currently have a stock multileaf w/slide-a-link on a 67 camaro. Works great with a smooth launch. Good luck!
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Old 10-24-2006, 09:28 PM
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Get the multi's. Hotchkis performance makes a very good set of multi's that are great for launching but are a very stiff ride. Also, great are cal tracs new split mono's.
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Old 10-24-2006, 09:46 PM
72NOVA454
 
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Quote:
Originally Posted by SuperSport
Get the multi's. Hotchkis performance makes a very good set of multi's that are great for launching but are a very stiff ride. Also, great are cal tracs new split mono's.
I'll check into the hotchkis. still not sure whether to go mono or multi. I have about 4 weeks to decide.

Lee
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Old 10-28-2006, 12:50 AM
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mono, i say

Just from lifes experience, in 1968 i sponsered/worked on a B/Modifed production car. It was a 431" tunnelled ram 67 Camerio conv. that weighed 3400lbs. I may have invented the slapper bar, because a lot of people copied my setup. I built a slapper bar that extended almost to the front of the mono-leaf spring with a rubber button and it extended to about 8" behind the axle with a u-link on both ends of the slapper bar one end controlled the windup (rear} and the front controled the de-acceleration. The car ran in B/modified production and ran 10.89@ 127mph in Sc and NC. at the time. The record was 10.81 and 126mph. we could never get the ET record but it was a terror in 1968. Things have change a lot since then, a lot. Christ i run 10,50's @ 3200 plus lbs. with a 377" motor, but that's not the issue.
If it were me the spring doesn't matter at all as long as you can control the rearend. I setup a friend of mine's car with a mono-leaf rear (67 Camero) with a slider, but i also put a cross member in with lower control arms to keep the windup to a minium and i'm embaressed to say this , but at 3100lbs and a flat top 355" motor he runs 10.70's in the qtr. on gas while i'm on alcohol. If you are from the south, you may know him he's Jimmy Smith and runs MSP in Memphis.
Bottom line is it doesn't matter what spring you choose, if you are willing to set it up right, either will work.

Sorry if i stepped on anyone's toe's and i appolagise if i was out of line.
I personally would never run anything except a 4 link which is on my car or a ladder bar which is on my pro-street Sonoma.
But i love this site because it takes in all views and that is great for the viewers.

Thanks to all posters.

Zipper
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Old 11-03-2006, 04:18 PM
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Ive heard lots of people with nova's running low 11's/10s with monoleafs

In the December 06 issue of Popular Hot Rodding their is a 71 nova that runs 10.90s@123mph with Stock Gm monoleafs with a Competiton engineering coil/over crossmember and Side-A-Link traction bars. BAD!
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Old 11-05-2006, 11:36 AM
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I found this article on eaton springs website.
http://www.eatonsprings.com/monoleaf.htm

Interesting stuff
Hope this helps,
Mikey
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Old 11-05-2006, 02:40 PM
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Quote:
Originally Posted by powerrodsmike
I found this article on eaton springs website.
http://www.eatonsprings.com/monoleaf.htm

Interesting stuff
Hope this helps,
Mikey
yea - another reason I'm sticking with multi-leaf. definitely safer. but I think the mono's are getting a bad rap. there were some bad ones in the late 60's and early 70's I guess but steel and technology has come a long way since then and I bet they would hold up much better now. Still......I'm going with the multi's anyway.

Lee
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