Speedtech 64-67 Manuel utilisateur

Instructional Guide

Chicane Coilover Bracket

64-72 A-Body

Chicane Coilover Brackets Page 2

Figure 1 1970 Chevelle, features our Chicane Conversion Brackets –Alan Miller

Congratulations on the purchase of your new Speedtech Performance Chicane Coilover Brackets.

Installing this system will require the removal of your old suspension from the car. Use only

approved and appropriately rated jack and jack stands, be sure to take all safety precautions

required to do the job safely and correctly. If you are unsure seek the assistance of a highly

qualified workshop to assist you.

Read and understand all instructions thoroughly before you begin. For the most part, assembly

and set up of your new suspension can be done in a home garage with hand tools and basic

welding equipment. As your final step, review each assembly step again to be sure all fasteners

are correctly secured and torqued to specification.

We enjoy seeing the progress our customers are making as they work through their builds so join

the Team Speedtech group on Facebook and share your pictures and your story.

From everyone at Speedtech Performance we send you all best wishes for your project!

Chicane Coilover Brackets Page 3

Installation Guide

TABLE OF CONTENTS

1. GENERAL INFORMATION

1.1 THIS GUIDE

1.2 OVERVIEW

1.3 TOOLS

2. CHECK IN PARTS AND HARDWARE

2.1 CHECKING IN THE ORDER

2.2 CHECK IN TABLES

3. GETTING STARTED

3.1 DISCONNECT BATTERY

3.2 LEVELING AND SUPPORT

4. FACTORY DISASSEMBLY

4.1SUSPENSION REMOVAL

5. CUTTING

5.1 UPPER SHOCK MOUNT

5.2 INNER SPRING CUP

6. COILOVER ASSEMBLY

7. MOCK UP

7.1 NOTCH

7.2 FITTING

7.3 LOWER

7.4 UPPER

8. WELDING/INSTALLATION

8.1 FINAL WELDING

8.2 COATING

8.3 SUSPENSION

9. ALIGNMENT/TORQUE

9.1 TORQUE

9.2 ALIGNMENT

10. CONGRATULATIONS

10.1 WRAP UP

Chicane Coilover Brackets Page 4

1.0 GENERAL INFORMATION

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1.1 This Guide

The following instructions are intended for professional installers and are guidelines only.

Speedtech Performance assumes no responsibility for the installation of any of its products

installed by others. All products are intended to be installed by qualified professionals.

NOTE! Some Items pictured may look different then the parts you have in the kit you received.

For example, in this guide we have only used pictures of the Chicane Coilover Brackets for the

early Camaro. Your application may have a slightly different shape the part is functionally the

same and is installed in the same manner described.

1.2 Overview

These instructions outline the Chicane Coilover Brackets. The system has been designed to work

with a factory subframe or chassis. Some photos in the install process may vary slightly from your

exact application.

WARNING! Once assembled you will need a professional wheel alignment performed. Driving a

vehicle without a proper alignment can be dangerous, towing is recommended to transport the

car prior to the alignment being performed.

While Speedtech's Chicane Coilover Brackets work great as an upgrade for your factory

suspension, it is also designed to meet the needs of those intending participate in off highway

road racing and autocross competition. To achieve maximum benefit from our system you should

anticipate adjusting and tuning of the suspension to achieve optimum performance specific to the

vehicle, driver and type of racing. Some of this, such as tuning sway bars and shock settings, can

be done track side through making adjustments and seeing/feeling how the car reacts to these

changes. We recommend a tire probe pyrometer and good quality air pressure gauge be in your

track side tuning kit.

1.3 Tools

Installation of the Speedtech Performance Chicane Coilover Brackets can be done on the floor

with simple hand tool, cut off wheel and a basic welder.

Additional things to have before you start:

•Silicon Based Grease

•Anti-Seize

•Wrench Set

•Torque Wrench

•Floor Stands

•Floor Jack

•Plasma Cutter (if possible)

Chicane Coilover Brackets Page 5

2.0 CHECK IN PARTS AND HARDWARE

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2.1 Checking in the Order

Best practice will be to check in your order as soon as possible after receiving the order. To check

in the order we have provided tables, these can be used as check lists for your order. If you

discover anything missing form your order, call your authorized dealer as soon as possible.

2.2 Check in Tables

Upper Control Arms

Description

Size

Drivers Side Chicane Coilover Bracket

Depends on Vehicle

Passenger Side Chicane Coilover Bracket

Depends on Vehicle

Upper Shock Mount Shoulder Bolt

½”x 1 ¾”

Nylock Nuts

3/8”NC

3.0 Getting Started

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3.1 DISCONNECT BATTERY

Because you will be cutting and welding, before any removal begins, disconnect the battery.

3.2 Leveling and Support

The vehicle should be on a level surface before you start. Jack up and properly support the

vehicle's frame. Remove the front wheels. For cars with drop off style rotors, reinstall one lug nut

if needed to prevent the rotor from falling off.

4.0 FACTORY DISASSEMBLY

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4.1 SUSPENSION REMOVAL

Remove upper control arms, coil springs and shocks. Spindle removal is optional as well.

5.0 CUTTING

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Chicane Coilover Brackets Page 6

5.1 UPPER SHOCK MOUNT

Remove the existing Upper Shock mount by cutting along the factory weld (arrows).

DO NOT CUT OFF THE UPPER CONTROL ARM MOUNT!

5.2 INNER SPRING CUP

After the shock mount is removed,

you will need to remove the inner

spring cup and clearance the hole

to about 4 ½” in diameter. This is

best done with a plasma cutter or

oxyacetylene torch. Clean up the

rough edges as needed.

Chicane Coilover Brackets Page 7

6.0 COILOVER ASSEMBLY

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Assemble the coilover shocks as per the supplied instructions. Be sure to place the “T” bar in the

lower mount and secure it with external snap rings. Make sure the snap rings are seated in the

grooves correctly.

Chicane Coilover Brackets Page 8

64-67 A-Body

Note: Notch on the

one side indicates the

front.

68-72 A-Body

Note: Driver side

chicane has part

number etching

on this top side.

Chicane Coilover Brackets Page 9

7.0 MOCK UP

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7.1 NOTCH

Mark the width of the shock bolt area

of the bracket on the upper control

arm mount. Using these marks as a

guide, cut out a notch so that the

shock bracket butts up flush against

the side of the control arm mount.

Below is what you should end up

with.

7.2 FITTING

The end result for all years should

have the bracket sitting flush

against the upper control arm

mount. Note: because of

differences in years and factory

tolerances, some slight trimming of

the bracket may be required to

custom fit it to your specific frame.

Do not proceed to welding at this

time.

7.3 LOWER

Do not skip this step. Mock up the

lower control arm and coilover shock

assembly to make sure the upper

Chicane mount is located in the

correct location. This also ensures

that all shock components clear the

frame. To allow you to work with both

hands and keep everything in place,

support the lower control arm and

shock assembly.

Chicane Coilover Brackets Page 10

7.4 UPPER

Assemble the Chicane Bracket to the shock top eyelet. Visually center the shock and measure

the clearance from the outside of the spring to the frame. Optimal clearance is 3/8” to 1/2”.

If needed, remove the shock/spring assembly and trim the hole. Align the bracket into position so

that the shock is centered in the hole and will travel without hitting the frame. When you are sure

everything is aligned properly, TACK weld the upper Chicane mount in this location.

8.0 WELDING / INSTALLATION

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8.1 FINAL WELDING

Now that you have double

checked everything and there is

no bind and no clearance issues,

you can do the final weld of the

Chicane upper bracket.

8.2 COATING

Once all welding is completed you

can paint or powder coat your

subframe/chassis.

8.3 SUSPENSION

Reassemble and install all suspension components.

9.0 ALIGNMENT / TORQUING

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9.1 TORQUE

•Lower control arm nuts 40 ft/lbs

•Upper control arm nuts 50 ft/lbs

•Upper shock mount 30 ft/lbs

•Lower T bar mounting nuts 40 ft/lbs

9.2 ALIGNMENT

Be sure to double check all the fasteners! Set the car to the approximate ride height by adjusting

the shock lower spring nuts. This should be done before aligning the car. When finished, take

the vehicle to a competent professional alignment shop to have an alignment performed.

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