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U.S.Order Line:

800.979.0122

(CST) 7am - 10pm

Race and Rod Tech Support

Mon-Fri 8am - 5pm

Canadian Order Line:

855.313.9180

International Order Line:

1.402.323.3200
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Transmission & Driveline Tech Tips

Latest Articles

7 months 3 days ago
T-5 Transmission
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7 months 3 days ago
Installing a New Clutch
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7 months 6 days ago
Use our Tire Size Guide to track down the right tire for your needs. Radials, Polys, Bias-Ply's, Cheater Slicks and Dragsters, they're all here!
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7 months 6 days ago
What's the Angle
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7 months 6 days ago
How to Measure Bolt Circles
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by John - Posted in Tech Tips
7 months 10 days ago
In this Tech Tip, John responds to a customer looking to upgrade the 8” stock differential in his Cougar to a 9” open diff.
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Related Articles

by Jason - Posted in Tech
7 months 6 days ago
Buying a new set of wheels for your car? We can show you how to correctly measure your wheel bolt pattern and wheel backspacing. Getting these measurements right ensures that your new wheels match your bolt pattern and fit your vehicle correctly.
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by Jason - Posted in Tech
7 months 10 days ago
Purchasing a new set of race wheels? We can show you how to measure the offset to ensure your new wheels fit right, along with torque specs, design, and basics about racing wheels.
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by Speedway Tech Team - Posted in Tech
7 months 6 days ago
Diagrams showing the proper measuring techniques for axles and identification diagrams for the various 9-Inch housings.
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by Speedway Tech Team - Posted in Tech
7 months 10 days ago
Information regarding the questions of why you shouldn't mix radial tires and bias ply tires.
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by Speedway Tech Team - Posted in Tech
7 months 10 days ago
Click here for a cross-reference chart to convert bias-ply tire sizes to radial tire sizes, as well as a formula to find the overall height of a tire.
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by Speedway Tech Team - Posted in Tech
7 months 6 days ago
Wheel Torque Specs
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by Tim - Posted in Tech
7 months 10 days ago
Speedway Motors employee Tim M. explains his decision to run Ford wire wheels on his hot rod project, and illustrates some of the various differences of the wire wheels you may come across.
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by Speedway Tech Team - Posted in Tech
7 months 10 days ago
Feel like you're just spinning your wheels at the races? Click here for tips and tricks on gaining traction by grooving, siping and needling your racing tires.
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by Speedway Tech Team - Posted in Tech
9 months 21 days ago
Having a better understanding of basic wheel components is important to ensure your racing safety. We can make sure you have the correct beadlock rings, lug-nut taper, wheel spacers and more.
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by Jeff K. - Posted in Tech
23 days ago
Jeff K. does tires on everything. A good set of wheels and tires will finish a project better than any paint job can. So when his Chevelle needed a start, Jeff began right where he always does, with new shoes.
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