Upper Limits Dynoshop LLC

Upper Limits Dynoshop LLC Offering Dyno time, tuning of GM products and tuning for aftermarket ecm's like Holley, Haltech, Megasquirt. Available evenings and weekends.

I bet this surprises some people from a roll.
06/25/2026

I bet this surprises some people from a roll.

05/13/2026

This is a cool little car. Independent throttle bodies and no map sensor.

When I hear Vega bracket racer I think of 400 stickers and a car that hasn’t changed in 20 years. This isn’t that.
04/12/2026

When I hear Vega bracket racer I think of 400 stickers and a car that hasn’t changed in 20 years. This isn’t that.

This is my kinda build. Quiet, stock looking. 4 digit power on the 1st pull. Dang!
03/22/2026

This is my kinda build. Quiet, stock looking. 4 digit power on the 1st pull. Dang!

Joey showed up to do some tuning on the coldest day of the year. Not an issue if you have dump tubes that we can evacuat...
01/23/2026

Joey showed up to do some tuning on the coldest day of the year. Not an issue if you have dump tubes that we can evacuate. 70 deg in here. 🙂

Now is the time. Don’t forget your intercooler if you are air to water.
11/07/2025

Now is the time. Don’t forget your intercooler if you are air to water.

260miles on this beast. Guesses?
10/12/2025

260miles on this beast. Guesses?

Address

605 S. 1st Street
Springfield, NE
68114

Telephone

+14025078509

Website

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