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Honda OEM and Aftermarket B-Series VTEC Cam Shaft Chart:
The author of these specs is Sam
Karp. Please contact him for any corrections or errors. The
rank list is determined via differences between all of the aftermarket
cams compared to Civic Type R cams. Ties in the rank list are broken
by taking the cam that has proven more peak power as the "better"
cam.
Sam’s Rank from "Mildest to Wildest"(not
Including Crower 401 Turbo and Crower 402-A):
Civic Si
Integra GS-R
Crower 400
Integra/Civic Type-R
Crower 401
Skunk2 Stage 1
JUN Type 1
Toda Spec A
Spoon Sports
JUN Type 2
Crower 402
Skunk2 Stage 2
Toda Spec B
JUN Type 3
Crower 403
Skunk2 Stage 3
Toda Spec C
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Cams Measured at 1mm of lift:
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Integra Type-R(Through 1999 Spec)
Int-240 dur. / 11.5mm lift
Exh-235 dur. / 10.5mm lift |
Spoon Sports
Int-256 dur. / 11.5mm lift
Exh-245 dur. / 11.1mm lift |
Civic Type-R And Integra Type-R(Integra
Type R 2000/01 Spec)
Int-243 dur. / 11.5mm lift
Exh-235 dur. / 10.5mm lift |
JUN Type 2
Int-267 dur. / 12.0mm lift
Exh-265 dur. / 10.9mm lift |
Skunk2 Stage 1
Int-252 dur. / 11.5mm lift
Exh-249 dur. / 10.8mm lift |
Skunk2 Stage 2
Int-266 dur. / 12.3mm lift
Exh-262 dur. / 11.8mm lift |
JUN Type 1
Int-265 dur. / 10.9mm lift
Exh-268 dur. / 10.0mm lift |
JUN Type 3
Int-265 dur. / 12.0mm lift
Exh-265 dur. / 11.5mm lift |
Skunk2 Stage 3
Int-270 dur. / 12.8mm lift
Exh-279 dur. / 11.8mm lift |
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Cams Measured with 0mm of lift:
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Civic Si(1999 Spec)
Int-265 dur. / 10.5mm lift
Exh-267 dur. / 9.6mm lift |
Crower 401-T(Forced Induction Version)
Int-280 dur. / 11.8mm lift
Exh-276 dur. / 11.3mm lift |
Integra GS-R
Int-274 dur. / 10.7mm lift
Exh-276 dur. / 9.6mm lift |
Toda Spec A
Int-290 dur. / 11.6mm lift
Exh-280 dur. / 11.2mm lift |
Crower 400
Int-279 dur. / 10.7mm lift
Exh-280 dur. / 9.6mm lift |
Crower 402(Both Regular 402 and 402-A,
402-A is milder off VTEC)
Int-297 dur. / 11.8mm lift
Exh-287 dur. / 11.8mm lift |
Civic Type-R And Integra Type-R(Integra
Type R 2000/01 Spec)
Int-278 dur. / 11.5mm lift
Exh-280 dur. / 10.5mm lift |
Toda Spec B
Int-295 dur. / 12.0mm lift
Exh-285 dur. / 12.0mm lift |
Crower 401(NA Version)
Int-282 dur. / 11.3mm lift
Exh-277 dur. / 10.5mm lift |
Crower 403
Int-295 dur. / 12.0mm lift
Exh-293 dur. / 11.8mm lift |
Toda Spec C
Int-295 dur. / 12.5mm lift
Exh-295 dur. / 12.5mm lift |
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