We are considered the top leader in the ATV porting Industry.
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Four Stroke Porting:
Porting is a highly technical and intricate part of any performance engine package and has been one of our specialties for over 30 years. We invest countless hours yearly in R&D allowing us to offer our customers the highest quality and performance possible. This investment keeps us one of the Industry leader’s in High-Performance Porting. We have the expertise and the equipment to maximize peak performance throughout the full power band, giving you optimal performance without compromising reliability and engine life.
With the use of our Superflow flow bench with port flow analyzing computer software we can map out specific areas within the ports using pitot tubes of different shapes. These tools allow us to see air speeds through out the port enabling us to achieve maximum port efficiency.
Testing port velocity and port stability is the only way to insure getting the most usable CFM (cubic feet per minute) from every lift point. The use of computer monitored flow benches are an excellent way to measure and diagnose port designs, ensuring maximum performance. The use of this equipment also helps determine cam design and valve size for specific riding requirements.
Trinity Racing uses state of the art technology and techniques to create the perfect port job according to your unique specifications.
We have available Pro MX, Pro TT, Stage I, Stage II, Stage III and Stage IV
Trinity Racing porting services has produced major contenders and winners in many top-level championships, such as the ITP Quad Cross Series Championship, Grand National Open Pro Am Championship (Banshee),
Four-Stroke World Championship and the Grand National Championships with some of the biggest names in the sport, Kory Ellis, Mark Ehrhardt, Jeremy Schell, Jeff Seegott, Joe Byrd.
Two Stroke Porting:
Two stroke porting is NOT done by trial and error as some tend to believe. It is an Exact Science we have perfected within our 30 years of business. Creating the right combination of pressure, sweep, draw, reversion, and combustion all working together at the exact timing points is definitely a talent that comes with experience and technical know-how. Add to this equation, all of the possible combinations of power bands needed to accommodate different rider weights and riding styles.
Porting Chart:
Stage II (Woods, Trails, MX, Play, Desert)
- Low-end power emphasis
Stage III (TT, Aggressive Play,Hill Racing, Drag)
- Mid-range power emphasis
Stage IV (Drag, Hill, Very Aggressive Play, TT)
- Top-end power emphasis
Pro MX (Motocross)
- Low-end / Mid-range combo
Pro TT (TT Racing)
- Mid-range / Top-end combo
HERE IS WHAT QUAD MAGAZINE HAD TO SAY.
Trinity Racing's flow-bench-tested port jobs are designed to make your quads head flow better and more consistently, creating more horsepower, as well as improving where your quad makes power. Trinity Offers an exchange program to keep your downtime to a minimum.
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