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rear shock upgrade
#1114964
11/16/11 09:40 AM
11/16/11 09:40 AM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
OP
master
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OP
master
Joined: May 2004
Posts: 3,210
robin hood country
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I currently run rancho 9 ways on the rear of my ride and even on the stiffest setting i'm getting a fair amount of separation, car has SS springs clamped on the front sections.
Anyway, it got me to thinking, what single adjustable shocks are available that might offer a stiffer ride, without remortgaging the house to pay for them.
Any ideas.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: one bad fish]
#1114966
11/16/11 03:47 PM
11/16/11 03:47 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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OP
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Joined: May 2004
Posts: 3,210
robin hood country
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Is there anything in between afco and what i've got price wise. Just googled the single adjustables and they are $210 each.  Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: deaks]
#1114967
11/16/11 05:15 PM
11/16/11 05:15 PM
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Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
roadhazard
master
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master
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
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Mick, I use the single adjustabe QA-1's on mine Seem to work well for me  They are rebuildable  they may be able to revalve to suite your needs if you need more control 
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Re: rear shock upgrade
[Re: joshking440]
#1114970
11/16/11 06:52 PM
11/16/11 06:52 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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master
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OP
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Joined: May 2004
Posts: 3,210
robin hood country
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Twin turbo mower Please elaborate Quote:
with super stock springs, how can you begin to control that seperation?
I thought that was the whole idea behind that spring...
What would you suggest ?, bear in mind, this is at most a 600 hp car.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: mopar_mark]
#1114972
11/16/11 08:19 PM
11/16/11 08:19 PM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Mick, aren't you on caltracs? Does the car 60ft best on the stiffest extension settings?
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: rear shock upgrade
[Re: joshking440]
#1114974
11/17/11 12:55 PM
11/17/11 12:55 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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OP
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robin hood country
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Mark
Thank you i really appreciate that.
Tig
No caltracs here, best 60ft on a decent track, 1.44 shocks on 9
Josh
Thanks for the tip.
Pricewise, there's not much difference qa1's to Afco single adjustables.
To be fair, a bit more converter stall might help the 60ft's at present 4800.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: deaks]
#1114975
11/17/11 01:33 PM
11/17/11 01:33 PM
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Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
GomangoCuda
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master
Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
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Which SS springs do you have? At 600HP I would hope you have 002/003 springs. Any of the others are really too soft for that much power and will seperate a bunch. Just my opinion, others will undoubtedly disagree.
Personally I would put Caltracs and monoleafs on it and never look back.
Last edited by GomangoCuda; 11/17/11 01:39 PM.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: rear shock upgrade
[Re: deaks]
#1114976
11/17/11 01:44 PM
11/17/11 01:44 PM
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Joined: Feb 2003
Posts: 911
London, England
mopar_mark
super stock
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super stock
Joined: Feb 2003
Posts: 911
London, England
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Quote:
Mark
Thank you i really appreciate that.
No problem.
PM me, when you decide what you want to do, then we can discuss how, where to send, etc
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Re: rear shock upgrade
[Re: mopar_mark]
#1114977
11/17/11 02:27 PM
11/17/11 02:27 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
OP
master
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OP
master
Joined: May 2004
Posts: 3,210
robin hood country
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Cheers Mark
Gomango cuda
Yes they are 002 003 springs and not the mexican ones.
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: Twin Turbo Mower]
#1114979
11/17/11 05:41 PM
11/17/11 05:41 PM
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Joined: Oct 2007
Posts: 3,978
Hilltown Pa
1967dartgt
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master
Joined: Oct 2007
Posts: 3,978
Hilltown Pa
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Afco double adj. works great. Got rid of the ranchos.
Last edited by 1967DartGT; 11/17/11 05:42 PM.
Brett Miller W9 cnc'd heads
STR Chassis fabraction
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Re: rear shock upgrade
[Re: 1967dartgt]
#1114980
11/17/11 08:46 PM
11/17/11 08:46 PM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
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OP
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Posts: 3,210
robin hood country
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What sort of results have you had before and after and what shocks were on before the afco's ?
Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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Re: rear shock upgrade
[Re: Twin Turbo Mower]
#1114982
11/18/11 02:57 PM
11/18/11 02:57 PM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Quote:
When you use the rancho's every adjustment affects the extension and compression. So for the stiff setting on compression it is also stiff on the extension not allowing the car to lift in the back as easy and put weight on the back tires.
Sorry to Hijack, That is something I didn't know, I thought Compression damping (jounce) was fixed on the Rancho's.
Goes someway to explaining why my car does what it does.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: rear shock upgrade
[Re: Tig]
#1114983
11/18/11 08:09 PM
11/18/11 08:09 PM
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Joined: Apr 2004
Posts: 1,056
Mt.Vernon IL
Twin Turbo Mower
super stock
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super stock
Joined: Apr 2004
Posts: 1,056
Mt.Vernon IL
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Quote:
Quote:
When you use the rancho's every adjustment affects the extension and compression. So for the stiff setting on compression it is also stiff on the extension not allowing the car to lift in the back as easy and put weight on the back tires.
Sorry to Hijack, That is something I didn't know, I thought Compression damping (jounce) was fixed on the Rancho's.
Goes someway to explaining why my car does what it does.
It might have been. Its been about 4 years since I have had the rancho's. When I had them off the car I would mess with the settings and extend and compress the shock to see how they acted for each setting.
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Re: rear shock upgrade
[Re: Twin Turbo Mower]
#1114984
11/19/11 07:55 AM
11/19/11 07:55 AM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Quote:
Quote:
Quote:
When you use the rancho's every adjustment affects the extension and compression. So for the stiff setting on compression it is also stiff on the extension not allowing the car to lift in the back as easy and put weight on the back tires.
Sorry to Hijack, That is something I didn't know, I thought Compression damping (jounce) was fixed on the Rancho's.
Goes someway to explaining why my car does what it does.
It might have been. Its been about 4 years since I have had the rancho's. When I had them off the car I would mess with the settings and extend and compress the shock to see how they acted for each setting.
Sounds feasable, when the rancho's numbers are low (softer),the car has a tendancy to "porpoise".
The car weight transfers to the rear, squats (more with the softer setting, tyres dig in, rear then seperates (so violently the body inertia pulls the tyre from the asphalt and we spin), the car drops down and repeats down track to a lesser degree.
The higher number controls the seperation and the squat it seems. (not in that order though  )
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: rear shock upgrade
[Re: Tig]
#1114985
11/19/11 10:15 PM
11/19/11 10:15 PM
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Joined: May 2004
Posts: 2,864
IN
Irun5snd8th
master
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master
Joined: May 2004
Posts: 2,864
IN
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Keep in mind that a rear tire wants to act like a basketball when its smacked into the pavement. The harder you throw it at the pavement the more force it exerts when it tries to come back to its original form. This is where the real advantages of a double adjustable come into play. The compression setting on the shock counteracts the tire wanting to bounce back at the car. You can look in the archive section an read all about shocks from one of the people at AFCO who came on here for a QandA
AFCO, Rons Fuel Injection sponsored Dodge Challenger
Mention Street Lethal Motorsports
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