Science of Boost, Part 1: Solenoids

Like cayenne pepper on a mushroom risotto, boost pressure is the seasoning in a serving of turbocharged performance. Too little boost hampers performance and produces a bland dish, while too much boost, like too much seasoning, kills your engine and puts you back in the kitchen to start all over. […]

Read More

RH9 Nissan Skyline GT-R R34

To reach a goal, you’ve got to have a proper game plan. To achieve Record Holder 9 (RH9) status, that plan involves producing enough power to run a nine-second quarter-mile time on street-legal tires. As simple as it sounds, joining the RH9 club is no easy feat; however, with the […]

Read More

HKS Premium Day 2014

The Japanese waste little time kicking off the New Year with events and celebrations. In addition to the Tokyo Auto Salon, the “Seijin No Hai” celebration and the first Sumo Tournament of the year, HKS puts together the first major motorsports festival for the season, known as the HKS Premium […]

Read More

Turbocharged 480HP Honda Civic FG1

“That’s a crazy idea. Nobody would do that. Why would you do that?” Despite the latest trend, car modification will always yield some unique results. From swapping domestic engines into imports to grafting Supra taillights onto a CRX, the automotive lifestyle embodies personalization. The choice of customization is an extension […]

Read More

DSPORT Tokyo Auto Salon Tour 2014

An aircraft skidding off the runway is all it takes to ruin anyone’s vacation plans. Unless you’re living in California or Florida, just about everywhere north of the equator feels the bite of winter in January. That chill caused an aircraft to skid off the runway at JFK International Airport, […]

Read More

Widebody Single-Turbo Toyota Supra JZA80

Toyota’s JZA80 Supra Turbo was only available in the United States from 1993 through 1998, but to this day, it continues to be one of the most desired Japanese sportscars. Some fanatics waited for years to finally acquire one, while some waited even longer to get a second one. Unfortunately, […]

Read More

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” […]

Read More

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 […]

Read More

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 […]

Read More

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° […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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° […]

Read More

TOMEI POWERED 270

MANUFACTURER: TOMEI POWERED ENGINE MODEL: 4G63 EVO 8 CAMSHAFT PN# (INTAKE): 1454270115 CAMSHAFT PN# (EXHAUST):1455270115 SPEC CARD# : N/A INTAKE EXHAUST CAM TIMING EVENTS Centerline 110° 115° Valve Opening @ 1.0mm 2.6° ATDC 52.2° BBDC Valve Opening @ 0.050″ 6.0° ATDC 48.5° BBDC Valve Closing @ 1.0mm 47.6° ABDC 7.5° BTDC Valve Closing […]

Read More