Gain extra benefits by becoming a Supporting Member Click here find out how!
Silver
Gold ***Platinum***
impalagirlA White Sport Coupe (4)rods46truck
farmerdick jsanctuarymarccan2Paradox SammyJohns winstead
ChevyGuy78trcunnigusukchevy55 (3)56_Kruiser (3)57 Kevin (5)
jdicamillomoritzdds
Bowtie_Guy (6)
bajones238 (4)
65 Malibu
smokinjoe65SS (2)

YellowSub (5)
turbo38s10 (4)
Classic Performance Products
Ciadella Interiors American Auto Wire Art Morrison.com
Exile® Battery Keeper™ 6/12 volt charger w/ LED battery monitor
Hellwig Products IncPerformance Rod & Custom
Impala Bob's Bob's Chevy Trucks Bob's Chevelle Parts Bob's Classic Chevy

  >> Switch to Mobile Version <<

Recent Hot Topics
Current Quote
"I am amazed by how knowledgeable and helpful folks on this forum are, and I am grateful for any help you may send my way."
~ Supporting Member
Recent Topics
Join the Community today







Username Post: Rear Springs on Drag car        (Topic#241710)
HAL_396 
Member
Posts: 2927
HAL_396
Loc: Austin, TX
Reg: 11-16-06
05-09-10 08:03 PM - Post#1912463    

Getting ready to insatll the rear springs on my Caprice drag car. What springs would be my beat choice? The one on the left is a stock Caprice spring, the one on the right is a stock Impala sports coup spring.

Or maybe one spring on one side and a different spring on the other side? I remebering someone saying a air bag will helps on one side. Maybe a stiffer spring instead of a bag..

1955 Chevy Custom
1966 Biscayne
1966 Caprice Drag Car Inwork
1966 Caprice parts car
2004 Silverado
2007 Impala LS
2009 G5


Edited by HAL_396 on 05-09-10 08:25 PM. Reason for edit: No reason given.

 
This Forum is Sponsored by
1-800-IMPALAS  *  www.impalas.com
Visit Impala Bob's forum on ChevyTalk
Pete66 
Senior Member
Posts: 563

Age: 61
Loc: Stockholm, Sweden
Reg: 11-01-04
05-10-10 03:17 AM - Post#1912545    
    In response to HAL_396

HAL,
Found someting for you here:
http://www.baselinesuspensions.com/info/Launching_...

Don't forget we like to have the car running strait and brake strait also, not just taking off in a proper way.
So, is different hardness in the suspension something to recommend?
Sounds scary....

Personaly i would use strong springs, and maybe adjustable shocks, if i was doing some serious racing. And if usage of bags, have'em on both sides, then you have better adjustment capabilities.

/Pete
1966 Chevrolet Caprice Custom Coupe/427/TH400- Manual- Ratchet- Transbrake
Pete's Chevy page


 
66cayne 
Frequent Contributor
Posts: 2015

Reg: 08-06-08
05-10-10 06:43 AM - Post#1912610    
    In response to HAL_396

Wow, that looks like a big difference in diameter and length. On my bbc drag car I ran cargo springs and an airbag in the right rear. About 10-20 psi in the bag, depending on track conditions. And 10-15 psi in the MT 10.5" slicks, again depending on track conditions. The problem with running very low air in the slicks is the car will want to 'wander' on the top end. Not a very reassuring feeling at 120 mph. You might want to try the big Caprice spring in the right rear and the Impala spring on the driver side. It is a starting point.

 
Carguy1965 
"4th Year" Silver Supporting Member
Posts: 2364
Carguy1965
Loc: Social Circle Ga
Reg: 02-25-08
05-10-10 07:52 AM - Post#1912625    
    In response to 66cayne

Call me crazy, but the one on the left looks like a front spring, and the one on the right looks like a rear?? Never saw a rear spring that didnt have the smaller loop on the bottom end..

2007 Z06
DD 2007 Avalanche
1965 BB Impala SS ( Now Gone to a New Home )
1931 Reo Royale Project Coupe


 
Johnny468 
"6th Year" Silver Supporting Member
Posts: 595
Johnny468
Loc: Richmond, Va.
Reg: 10-24-08
05-10-10 09:45 AM - Post#1912678    
    In response to Carguy1965

I'm with Carguy.....look at the wire diameter and number of coils. The one on the left looks like a front spring.

Johnny
1965 Impala SS
505/4-speed/4.30


 
HAL_396 
Member
Posts: 2927
HAL_396
Loc: Austin, TX
Reg: 11-16-06
05-10-10 10:41 AM - Post#1912707    
    In response to Johnny468

That would explain a lot of things. There was some sorta home made bracket holding them on the control arms.

Pete66, Thanks for the link. Lots of good info there.
1955 Chevy Custom
1966 Biscayne
1966 Caprice Drag Car Inwork
1966 Caprice parts car
2004 Silverado
2007 Impala LS
2009 G5


 
leon phelps 
Valued Contributor
Posts: 3396
leon phelps
Loc: Croydon Manor, PA
Reg: 06-04-05
05-10-10 10:56 AM - Post#1912717    
    In response to HAL_396

If I remember correctly, the front and rear springs are no where near this close to the same height. The difference in diameter is 1" (I just measured since I am frame off). If I remember correctly, the rear one had several tightly wound coils at one end also.

I am guessing someone made a coil for their application from something they had lying around.
Metallica Fuel


 
Pete66 
Senior Member
Posts: 563

Age: 61
Loc: Stockholm, Sweden
Reg: 11-01-04
05-11-10 04:25 AM - Post#1913139    
    In response to leon phelps

HAL,
Was those two different springs installed on your car ??!!

I have longer and stiffer springs in the rear and in front. In the rear i need to have 3" extensions for the shocks, but i will change to longer better shocks later.
I can even from a stand still, accelerate with full trottle in a sharp curvy road with no problems. So the springs and shocks must work okay then i suppose.

The only problem with my car was that all rubber in front suspension was totaly crap, so when i let go of the gas-pedal the car "changed lane".

/Pete

1966 Chevrolet Caprice Custom Coupe/427/TH400- Manual- Ratchet- Transbrake
Pete's Chevy page


 
HAL_396 
Member
Posts: 2927
HAL_396
Loc: Austin, TX
Reg: 11-16-06
05-11-10 07:24 AM - Post#1913218    
    In response to Pete66

No Pete the springs were on two different cars. I'm thinking of cutting a couple coils off the bigger spring and putting it in the right rear. I'd like the car to sit level but have a stiffer Rt. rear spring for launching, (Or at least thats what I have been reading).
1955 Chevy Custom
1966 Biscayne
1966 Caprice Drag Car Inwork
1966 Caprice parts car
2004 Silverado
2007 Impala LS
2009 G5


 
ImpBiscuit 
Senior Member
Posts: 1413
ImpBiscuit
Loc: Louisiana
Reg: 02-08-03
06-15-10 08:04 AM - Post#1930523    
    In response to HAL_396

I like to run the stock springs with air bags.I run a line for each air bag. At the track the right is the only one with air. I also installed a set of SSM lift bars on my car. I think they are shut down now.
John
Best run 1.722 60',11.488 1/4 @ 120.08 mph.65 Biscayne 4240lbs with Driver.468ci with a Stick.


 
This Forum is Sponsored by
1-800-IMPALAS  *  www.impalas.com
Visit Impala Bob's forum on ChevyTalk
Icon Legend Permissions Topic Options
Report Post

Quote Post

Quick Reply

Print Topic

Email Topic

1243 Views
FusionBB
FusionBB™ Version 2.1
©2003-2006 InteractivePHP, Inc.
Execution time: 0.304 seconds.   Total Queries: 16   Zlib Compression is on.
All times are (GMT -0800) Pacific. Current time is 04:31 AM
Top