K-Series Cam Comparison
Compares specifications and performance metrics of various K-Series camshafts, detailing MSRP, lift, duration, and torque output for 20 different models. Analysis includes projected horsepower and torque figures based on cam characteristics, providing a comprehensive resource for enthusiasts and tuners in the Honda K-Series community. Additional insights and assumptions are documented to aid in the cam selection process.
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Dozens of K-Series camshafts are compared here based on specifications and performance metrics. The Elite Pro Twin cam, priced at $1,549, features a lift of 15.9 mm and an advertised duration of 284 degrees for both intake and exhaust lobes. Its peak output is impressive, reaching 482 wheel horsepower at 7269 RPM. The Ultra BMF 2, slightly more affordable at $1,259.99, offers a lift of 16.256 mm and a maximum power of 483 wheel horsepower at 7223 RPM, showcasing its strength in torque as well, with 248 lb-ft.
In the mid-range, the Elite Pro Single 2 is priced at $1,149, delivering a lift of 15.9 mm and a duration of 282 degrees, achieving 479 wheel horsepower at 7217 RPM. The 4 Piston K615, at $1,270, provides similar specs with a lift of 15.85 mm and 474 wheel horsepower at 7189 RPM. The Ultra BMF 1, also priced at $1,259.99, matches the performance of the Elite Pro Single 1, which costs $1,149 and achieves 466 wheel horsepower at 7073 RPM.
As we move down the list, the Elite 5.0 cam, for $1,099, has a lift of 15.3 mm and produces 456 wheel horsepower at 6970 RPM, while the Ultra 4 offers a lift of 15.113 mm and peaks at 448 wheel horsepower at 6897 RPM. The Elite 3.5 cam is a more economical choice at $1,099, with a lift of 14.8 mm and 430 wheel horsepower at 6698 RPM.
The analysis section further breaks down the performance metrics, detailing how these cams translate into real-world horsepower and torque figures. For instance, the BrianCrower Stage 6 cam, priced at $1,085.16, achieves 414 wheel horsepower at 6245 RPM, while the Prayoonto Stage 6, similarly priced at $1,200, delivers 416 wheel horsepower at 6305 RPM.
Among the more budget-friendly options, the Tuner Stage 3 cam at $698.99 yields 380 wheel horsepower at 6230 RPM, showcasing that even lower-priced cams can provide substantial performance. The K20A and K20A2, both priced at $200, are entry-level options with lower performance metrics, producing 255 wheel horsepower at 4262 RPM and 4207 RPM, respectively.
The analysis also highlights the peak torque figures, with the Elite Pro Twin generating 246 lb-ft and the Ultra BMF 2 reaching 248 lb-ft. The data reveals that the performance of these cams can vary significantly, not just in price but also in the horsepower and torque they can deliver, with some, like the Drag Racing cam at $1,770.66, offering a peak output of 459 wheel horsepower at 7029 RPM.
In terms of lift and duration, the Toda F cam stands out with a maximum lift of 13 mm and a duration of 315 degrees, but it produces a lower horsepower figure of 364 at 6381 RPM. The 4 Piston K600 offers a similar performance profile, with a lift of 14.85 mm and 410 wheel horsepower at 6337 RPM.
The K-Series cam comparison provides a comprehensive look at how different camshafts can affect engine performance, offering insights into the trade-offs between price, lift, duration, and the resultant horsepower and torque figures. Each cam has its unique strengths, making it essential for enthusiasts to consider their specific needs and goals when selecting the right cam for their build.