What's the go to rear suspension? - Chevelle Tech
Brakes, Suspension & Steering Conversion questions & more.

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post #1 of 40 (permalink) Old Oct 5th, 19, 6:03 PM Thread Starter
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Chris
 
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What's the go to rear suspension?

With so many options of top and bottom control arms out there I'm looking for the best go to setup for my ride.

All 4 Adjustable arms, adj uppers with ssm lift bars, Anti hop bars with boxed arms. What is the best setup?

69 Chevelle with 4.10 12 bolt. BF drag radials, moroso springs. BBC in the high 400 low 500 HP.

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post #2 of 40 (permalink) Old Oct 6th, 19, 1:51 AM
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Re: What's the go to rear suspension?

Check out TRZ, they are very helpful.

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post #3 of 40 (permalink) Old Oct 6th, 19, 7:53 AM
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Re: What's the go to rear suspension?

UMI as well both are site sponsors I believe.
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post #4 of 40 (permalink) Old Oct 6th, 19, 9:54 AM
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Re: What's the go to rear suspension?

You setting up for street or track duty?

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post #5 of 40 (permalink) Old Oct 6th, 19, 1:45 PM
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Lightbulb Re: What's the go to rear suspension?

Dick Miller.

The A-body suspension authority for 45+ years.

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post #6 of 40 (permalink) Old Oct 6th, 19, 5:24 PM
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Jeff
 
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Re: What's the go to rear suspension?

Quote:
Originally Posted by deck6972 View Post
With so many options of top and bottom control arms out there I'm looking for the best go to setup for my ride.

All 4 Adjustable arms, adj uppers with ssm lift bars, Anti hop bars with boxed arms. What is the best setup?

69 Chevelle with 4.10 12 bolt. BF drag radials, moroso springs. BBC in the high 400 low 500 HP.
I would not do ssm lift bars, every car I have seen them on ends up removing them once they get to the really setting them up. the ssm lift bars are more of a band aid in my opinion. pick the brand of control arms you like or can afford then get the book suggested all ready. once you get the front to transfer weight properly and you get your pinion angle set right and ride height set with the springs and shocks you will see what I mean.
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78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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post #7 of 40 (permalink) Old Oct 6th, 19, 5:38 PM
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Re: What's the go to rear suspension?

The lower arms are what keeps the rear located the most. Get the strongest box arms you can find, like the UMI 4042 that has roto-joints. I like the Global West TBC-41CH solid aluminum arms with roto-joints and delrin-they has no sway bar holes.

Uppers adjustable UMI 4037 is reinforced, double adjustable and has-roto joints. It's pretty beefy.

BMR's XSB007 1.375" solid anti-sway bar keeps you straight at the track, bolts to the axle tubes and upper frame, not the lower control arms.
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post #8 of 40 (permalink) Old Oct 6th, 19, 8:04 PM
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Re: What's the go to rear suspension?

Just pick any of them, they connect A to B, no magic involved. Pick a manufacturer you're comfortable with and look for their recommendation.


The hard decision comes in the form of what anti roll bar and shocks.
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post #9 of 40 (permalink) Old Oct 6th, 19, 8:12 PM
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Re: What's the go to rear suspension?

Chris
all UMI Perf Suspension parts on my 67

here is what my Street Car has for Suspension / Tires etc.

FRONT
- UMI Perf 64-72 GM A-Body Tubular Upper & Lower Front A-Arm Kit # 403133
- Moroso Trick Springs with a 1 Rubber Spacer under them and Comp Eng 3 Way Shocks set at 80/20
- NO Sway Bar
- UMI Perf 64-72 GM A-Body Solid Tie Rod Adjusters # 2103

REAR
- UMI Perf 64-67 GM A Body Rear Lower Boxed / Adj Upper Control Arms # 402126
- UMI Perf 64-72 GM A Body Solid Rear Sway Bar that attaches to the Lower Control Arms
- Rear Frame Cross Brackets
- Moog Stock Replacement Coil Springs with Air Bags in them
- Comp Eng 3 Way Shocks set at 50/50

TIRES & WHEELS
FRONT
Cooper Star Fire SF P205/70R/15 on JEGs Sport Stars # 66062 1 piece Alum 15x 7 BS 4
30 PSI on the Street and 35 PSI at the Track

REAR
M/T ET Street S/S # 3454 295/55/15 on JEGs Sport Stars # 66086 1 piece Alum 15x 10 BS 5.5
30 PSI on the Street and 16 to 20 PSI at the Track

See my sig for how the old girl perfs at the Track with the Old School Springs/Shocks

67 Chevelle Malibu SS Cdn
Born 283 / PG / A51
468/TH400 2,500 stall/ S60 3.70 Gs
Prev Best on M/T ET S/S #3454 street Tires/Dress 2018/05/20
60' = 1.664
1/8 = 7.532 et / 91 mph
1/4 = 11.814 et / 115 mph
NEW Best with 3,500+ Stall TC 2019/09/08
60' = 1.547
1/8 = 7.311 et / 91.76 mph
1/4 = 11.595 et / 114.28 mph


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post #10 of 40 (permalink) Old Oct 6th, 19, 10:42 PM
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Re: What's the go to rear suspension?

Like Bill said: Get the book and study up. Sorry, but there are no shortcuts.
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post #11 of 40 (permalink) Old Oct 7th, 19, 1:02 AM
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Re: What's the go to rear suspension?

Quote:
Originally Posted by LaVelle View Post
You setting up for street or track duty?
'cause if you're a street car, I'd get rid of those rear gears before doing any rear suspension work.

if you're street car, there are way better gear choices, IMHO.

if you're a track car, you're not making enough HP.

if you're a street car, ride quality matters.

if you're a track car, it doesn't.

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post #12 of 40 (permalink) Old Oct 7th, 19, 7:17 AM
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Re: What's the go to rear suspension?

I'm having good luck with the fully adjustable Spohn Del Sphere rear control arms I have on my 69 el Camino with a 454...

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post #13 of 40 (permalink) Old Oct 7th, 19, 11:45 AM
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Re: What's the go to rear suspension?

Quote:
Originally Posted by blue_69_malibu View Post


if you're a track car, you're not making enough HP.
Why would you say that? It really doesnt matter how much or little power you have, anything can be raced. Unless you are doing some sort of class that requires a faster time than you can run that is.
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post #14 of 40 (permalink) Old Oct 7th, 19, 11:47 AM
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Re: What's the go to rear suspension?

IMHO: anti hop bars,adjustable uppers and stock boxed lowers.
50/50 shocks

..and with all that mind,my car will 60 ft. in the 1.66-1.72 range with a 100% stock F41 rear suspension. My engine probably makes an honest 500 HP at the crank thru the manifolds.
You don't need much..
and FWIW,Dick Miller makes some stuff for the GM A-body
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post #15 of 40 (permalink) Old Oct 7th, 19, 11:58 AM
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Re: What's the go to rear suspension?

Quote:
Originally Posted by Geo71 View Post
Why would you say that? It really doesnt matter how much or little power you have, anything can be raced. Unless you are doing some sort of class that requires a faster time than you can run that is.

I was asking myself the same thing. Nothing like a guy with a high 11 second guy telling another guy that 500 hp isn't enough to be a "track only" guy (whatever that is). Lol
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