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Month: February 2022

You are here: Portatree Timing Systems > Blog > 2022 > February

What’s My Rollout?

by Al Smyth, Portatree Timing Systems, Inc. Probably the most unknown drag racing value is rollout. Some think it is the amount of inches that their carrolls out of the stage beam (they are partially correct). When racers inquire about

james February 6, 2022July 7, 2022 Tech Tips Read more

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  • NHRA’s Brian Lohnes interviews Portatree’s Allison Doll about the 2019 Stock World Championship!

    NHRA’s Brian Lohnes interviews Portatree’s Allison Doll about the 2019 Stock World Championship!

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  • 594 Blackstone Street- P.O. Box 206
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Recent Events

  • NHRA’s Brian Lohnes interviews Portatree’s Allison Doll about the 2019 Stock World Championship!

    March 4, 2022

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