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PERFORMANCE + INDUSTRIAL

TAILSHAFTS

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Tailshaft Manufacturing

A tailshaft is an essential part of any rear wheel drive vehicle. The tailshaft is responsible for transmitting power from the gearbox at the front of the vehicle to the differential at the back. Without a tailshaft, your wheels won’t move. Telltale signs that your tailshaft isn’t working properly include vibrations from underneath the vehicle, abnormal noises, turning problems and shuddering while accelerating.

Here at GJ Drivelines, thanks to our decades of experience and expertise, we know exactly what makes a top quality tailshaft. We are proud to have created three specialised drivelines for every type of rider. Our range includes the Street Series, Pro Series, and Race Series. We can also create fully customised tailshafts to your specifications.

Tailshaft Repairs

Repair, strengthen and recondition your performance or industrial tailshaft with high-grade equipment and expert staff.

Repairing aluminium and steel tailshafts of all makes and models of vehicles. We can replace splines, flanges, yokes, and shorten, extend, straighten or retube your tailshaft.

Additionally, we can replace and repair their associated components, centre bearings universal and CV (constant velocity) joints.

Our premium quality tailshaft parts are sourced from reputable companies such as Hardy Spicer and Strange.

Digital Balancing

Every tailshaft that we manufacture and repair at GJ Drivelines is balanced to ISO G16 standards. A Schenk digital balancing machine is used and weights are added as required.

Quality assurance ensures that your tailshaft has been balanced to perform reliably and efficiently. Digital balancing is essential to the smooth running of a car. Our balancing service can eliminate a vibration and prevent failure.
STREET SERIES
Steel gearbox yoke, steel weld yokes, high tensile steel tube with solid cross uni joints.
PRO SERIES
Billet gearbox yoke, steel weld yokes, high tensile .095″ thick tube with solid cross 1350 series uni joints.
RACE SERIES
Billet gearbox yoke, Strange CroMo weld yokes, .083″ thick CroMo tube, solid cross uni joints
CUSTOMIZED TAILSHAFTS
Designed specifically for your vehicle or project with premium quality parts. Manufacturing tailshafts for high performance race cars, and high horsepower engines using the best quality parts for optimum performance.

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Performance + Industrial Tailshafts

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Tailshaft Repairs | Customised Tailshafts

Centre Bearings

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All your tailshaft needs under one roof

ALL YOUR TAILSHAFT AND DRIVESHAFT NEEDS

  • CUSTOMISED TAILSHAFT MANUFACTURING
  • TAILSHAFT REPAIR, RECONDITIONING AND STRENGTHENING
  • DIGITAL BALANCING
  • REPLACEMENT OF TAILSHAFT COMPONENTS
  • DIAGNOSTIC DRIVING AND VIBRATION ANALYSIS
  • SUPPLIER OF TAILSHAFT COMPONENTS
  • DRIVESHAFT REPAIR AND MANUFACTURING
  • DRIVESHAFT CENTER BEARINGS
  • UNIVERSAL AND CV JOINTS
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  • 8am - 5pm
  • Friday
  • 8am - 4pm
  • Saturday - Sunday
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Identify Transmission

Chrysler – Dodge
727 – 30 Spline 1 11/16″ Seal Diameter
904 – 26 Spline 1 9/16″ Seal Diameter

Ford
C6-T56 – 31 Spline 1 11/16″ Seal Diameter
AOD & C4 & T5 – 28 Spline 1 1/2″ Seal Diameter
4 R 7OW – 28 Spline 1.598″ Seal Diameter

General Motors
T-350 700R4-4LLOE – 27 Spline 1 1/2″ Seal Diameter
T-400-4L80E – 32 Spline 1 7/8″ Seal Diameter

Note: Transmission slip yokes are manufactured with various U-Joint Series. It is important to match Horsepower and Torque requirements to U-Joint Series. For aftermarket transmission applications usually a spline count and seal diameter will identify slip yoke required.

Identify Rear U-Joint

diagram-d

If Pinion Yoke has Placement tabs that retain the U-Joint, measure inside tabs. See Diagram D.

diagram-e

If Pinion Yoke does not have Placement Tabs that retain U-Joint, measure from flat of yoke inside to inside. See Diagram E.

diagram-l

If 4 bolt Flange is used on pinion, measure Pilot Diameter and center to center diagonally bolt hole to bolt hole. See Diagram L.

diagram-a

Universal Joint Size. There are hundreds of U-Joint sizes or “Series” to accomodate many different applications of power and desired longevity for your automotive, 4×4 truck or auto racing requirements, these 4 series of joints cover most needs.

1310 Spicer Series: 1 1/16″ Cup Diameter (Dim C – Diagram A) 3 7/32″ length (Dim B – Diagram A) Certain Ford applications have 2 cups 1 1/8 Diameter. Appropriate horse power range is up to 500 in circle track or road racing, small tire drag racing and 4×4. Also available: Performance Dynamic Cryo Joint.

1330 Spicer Series: 1 1/16″ Cup Diameter (Dim C – Diagram A) 3 5/8″ length (Dim B – Diagram A) Certain Ford applications have 2 cups 1 1/8 Diameter. Slightly stronger than 1310, Used in 5.0 Mustangs. Also available: Performance Dynamic Cryo Joint.

3R Saginaw Series: 1 1/8″ Cup Diameter (Dim C – Diagram A) Retained with internal clip 2 5/8″ (Dim B – Diagram A). Most common GM joint. Horse power range up to 700 in road racing and circle track. Solid drag racing U-Joint can accomodate most sportsman classes. Also available: Performance Dynamic Cryo Joint.

1350 Spicer Series: Manufactured with OEM tolerances and treated with our Cryogenic Process to yeild the strongest U-Joint available. For drag racing applications a solid non-lube design U-Joint is recommended because of the tremendous initial shock load, or short duration of high torque the joint must be able to withstand.

 

Driveshaft Measurements

diagram-n

If PST is supplying you with transmission slip yoke, Pinion yoke and driveshaft yoke measure Dim W. See Diagram N.

If PST is supplying you with transmission slip yoke and driveshaft measure Dim X. See Diagram N.

2 Piece driveshafts use Dim Y + Z. See Diagram N.