There are many ways to improve the performance and longevity of your engine and it’s components, today we want to look at the reduction of wear associated with surface finish and hardness. We’re joined by Lake Speed from Driven Racing Oil who conducted some testing with different combinations and will […]
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HKS FA20 Camshafts | Tested To Get You the Real Numbers
Smooth versus lumpy idle. Instant off idle response or lazy low end. Asthmatic high-RPM performance or a screamer to redline. When it comes to the personality traits of an engine, the control of the valve events is the primary influence of the engine’s behavior. For about the first 100 years […]
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Why and How to Degree Your DOHC Engine | Proper Camshaft Timing for Peak Performance and Minimal Headaches
Have you decked your block? Resurfaced your head? Installed an aftermarket crankshaft or camshafts? If you answered “yes” to any of those questions, your camshaft timing may not be what the camshaft manufacturer specified. Improper cam timing can lead to reduced performance, increased fuel consumption and an increased likelihood of […]
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Test & Tune Part 3: Nissan Silvia S15 | Camshafts, Manifold, and 100 Octane Fuel
In the first two Test & Tune segments, our 2001 Nissan Silvia S15 gained a total of 68.9 horsepower by removing exhaust restrictions, increasing airflow into the compressor, reducing intake air temperature and fine tuning the engine management system. The Tanabe Concept G Blue turbo-back exhaust system, Blitz LM Intercooler, […]
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Camshaft Showcase: 4G63 EVO Build
Mitsubishi’s 4G63 engine is arguably one of the best four-cylinder engines ever built. While the early variants set records powering DSMs, later versions of the engine propelled the EVO VIII and EVO IX. In terms of strength, power potential and ease of service, the 4G63 engine simply has no equal. […]
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Camshaft Tech 101
While performance camshafts are the most important component selection on an “All-Motor” build, many underplay the importance of proper camshaft selection on forced-induction applications. However, the reality is that a proper set of cams might easily add 100 horsepower or more at the wheels without changing boost pressure. With or […]
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D’GARAGE CRX: Honda Twin-cam Swap
Whether you drive a Honda or not, the term VTEC is something you’ve probably heard of either in a joke, seen in an internet “meme” or plastered on the side of a car accompanied by the letters D, O, H and C. It’s not high horsepower, large displacement or even […]
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Final Results
THE NUMBERS GAME When we arrange all of the tested camshafts by the actual measured intake duration at 1mm, an interesting trend is revealed. The trend is that every manufacturer has a different method of computing its”advertised” duration of the camshaft. As a result, not all camshafts advertised as “264” […]
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TOMEI POWERED 290
MANUFACTURER: TOMEI POWERED ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN# (INTAKE): 1454290115 CAMSHAFT PN# (EXHAUST):1455290115 SPEC CARD# : GSC-6008S3 INTAKE EXHAUST CAM TIMING EVENTS Centerline 110° 115° Valve Opening @ 1.0mm 6.1° BTDC 59.7° BBDC Valve Opening @ 0.050″ 2.53° BTDC 56.1° BBDC Valve Closing @ 1.0mm 55.8° ABDC 0.7° ATDC Valve Closing […]
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GSC S3
MANUFACTURER: GSC Power Division ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN#: GSC-6008S3 SPEC CARD#: N/A INTAKE EXHAUST CAM TIMING EVENTS Centerline 109° 115° Valve Opening @ 1.0mm 3.8° BTDC 53.8° BBDC Valve Opening @ 0.050″ 0.4° BTDC 50.2° BBDC Valve Closing @ 1.0mm 51.5° ABDC 4.8° BTDC Valve Closing @ 0.050″ 47.5° ABDC […]
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Kelford Cams 280
MANUFACTURER: Kelford Cams ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN#: 8-TX280 SPEC CARD#: 133933 INTAKE EXHAUST CAM TIMING EVENTS Centerline 107° 113° Valve Opening @ 1.0mm 1.8° BTDC 47.6° BBDC Valve Opening @ 0.050″ 1.7° ATDC 43.9° BBDC Valve Closing @ 1.0mm 41.4° ABDC 4.4° BTDC Valve Closing @ 0.050″ 37.6° ABDC 7.9° […]
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GSC R2
MANUFACTURER: GSC Power Division ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN#: GSC-6008R2 SPEC CARD#: N/A INTAKE EXHAUST CAM TIMING EVENTS Centerline 109° 115° Valve Opening @ 1.0mm 2.46° ATDC 56.94° BBDC Valve Opening @ 0.050″ 0.97° ATDC 52.96° BBDC Valve Closing @ 1.0mm 50.19° ABDC 4.38° BTDC Valve Closing @ 0.050″ 46.17° ABDC […]
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TOMEI POWERED 280
MANUFACTURER: TOMEI POWERED ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN# (INTAKE): 1453280115 CAMSHAFT PN# (EXHAUST):1455280115 SPEC CARD# : GSC-6008S3 INTAKE EXHAUST CAM TIMING EVENTS Centerline 110° 115° Valve Opening @ 1.0mm 1.0° ATDC 56.4° BBDC Valve Opening @ 0.050″ 2.5° ATDC 52.6° BBDC Valve Closing @ 1.0mm 51.4° ABDC 4.0° BTDC Valve Closing […]
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JUN 272
MANUFACTURER: JUN ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN# (INTAKE): 1004M-M012 CAMSHAFT PN# (EXHAUST): 1004M-M142 SPEC CARD# : N/A INTAKE EXHAUST CAM TIMING EVENTS Centerline 110° 110° Valve Opening @ 1.0mm 7.3° ATDC 38.9° BBDC Valve Opening @ 0.050″ 10.6° ATDC 35.6° BBDC Valve Closing @ 1.0mm 39.4° ABDC 7.3° BTDC Valve Closing […]
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Buschur Racing 272
MANUFACTURER: Buschur Racing ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN# (INTAKE): BF272 SPEC CARD# (INTAKE): N/A INTAKE EXHAUST CAM TIMING EVENTS Centerline N/A N/A Valve Opening @ 1.0mm 0.2° ATDC 52.2° BBDC Valve Opening @ 0.050″ 3.3° ATDC 48.5° BBDC Valve Closing @ 1.0mm 46.3° ABDC 4.8° BTDC Valve Closing @ 0.050″ 42.8° […]
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