The Boost Creep Ltd - Dyno Tuning and Automotive Services in Longmont Colorado

Welcome! The Boost Creep Ltd is becoming Northern Colorado's foremost dyno tuning facility and the brainchild of Harvey Epstein, one of Colorado's most experienced Subaru tuners.

We offer dyno tuning on our Load Bearing Eddy Current 4WD Chassis Dynamometer and other services, including modifications and full wiring harness builds. Contact me today!

Coming this spring: EFI 101 Beginner and Advanced Tuning Classes at TheBoostCreepLTD! Click for details.

Now in-stock: ID-1000 and ID-2000 fuel injectors from Injector Dynamics! Click for details.

Now Available:
5250 Performance is our in house mechanical and fabrication shop. Please contact them at 970-535-0539 for installation and build quotes.

I offer extensive experience in building, tuning, and maintaining all sorts of cars. I love to tune, regardless of brand or output level... Every engine, including yours, is very important to me.