Your Fuel Tank Sucks and It's Costing You Performance
Posted by Mark on 3/12/2025 to
News
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2025 Official Welch 208cc OHV Limited Modified Rules
Posted by Mark on 1/31/2025 to
Jerry Welch at Welch Performance started the Limited Modified Clone Class with the help of EC Carburetors and Dyno Cams. These rules are open to the public and can be used by any track or organization at their discretion and responsibility.
Our Follow-Up to Red Beard's Garage Wildcat 223 vs Tillotson 212E Video
Posted by Mark on 12/13/2023 to
News
212cc Limited Modified Rules
Posted by Mark on 12/4/2023 to
News
Late summer, Jerry Welch, Welch Performance, asked us to help create a rule set for a 212cc Honda-Clone Based Limited Modified Class for the 2024 Big O and other National Race. The limited modified has been a popular class for both flathead and
What Engine Oil do I need to run for my 4-cycle mini bike or racing go kart?
Posted by Mark on 4/6/2023 to
Tech Reviews