Terms of Service

These Terms of Service ("Terms") govern your use of mcgonster.com and the connected tool network operated by McGonster Monster Motors LLC ("MMM," "we," "us"), including twincamdyno.com, predator212dyno.com, 351clevelanddyno.com, sbc350dyno.com, m8dyno.com, 454dyno.com, and related domains. By using this site, you agree to these Terms.

Free to Use

The calculators and tools on this site are free to use. There are no paywalls and no account required.

Estimates Only — No Mechanical Advice

All horsepower, torque, jetting, and other outputs from our tools are estimates based on physics models and published dyno data. Actual results vary based on your specific engine, components, tuning, environment, and build quality. These tools are for informational purposes only and do not constitute professional mechanical advice. MMM is not responsible for mechanical damage, injury, or other loss resulting from the use of information provided by this site. Always follow manufacturer specifications and consult a qualified mechanic for your build.

Affiliate Links & Third-Party Retailers

This site links to third-party retailers such as eBay, Amazon, Summit Racing, JEGS, and others, in some cases through retailer affiliate programs. We may earn a commission on qualifying purchases made through these links, at no additional cost to you. We do not control, and are not responsible for, the content, pricing, availability, or policies of any third-party site you visit through a link on this site.

Advertising

Sites in the MMM network display advertising served by Google AdSense. Advertisers are third parties; an ad appearing on this site is not an endorsement by MMM of the advertised product or service.

Trademarks

MMM is not affiliated with or endorsed by Harley-Davidson, Harbor Freight, Honda, Holley, Edelbrock, or any other manufacturer or brand mentioned on this site. All brand names and trademarks are the property of their respective owners and are used for identification purposes only.

No Warranty

This site and its tools are provided "as is," without warranties of any kind, express or implied, including but not limited to accuracy, reliability, or fitness for a particular purpose.

Limitation of Liability

To the fullest extent permitted by law, MMM is not liable for any direct, indirect, incidental, or consequential damages arising from your use of this site or reliance on any information it provides.

Changes to These Terms

We may update these Terms from time to time. Continued use of the site after changes are posted constitutes acceptance of the updated Terms.

Contact

Questions about these Terms? Use the contact form, or email us directly at mcgonster@gmail.com.