247-C2
272°/278° racing cams for engines in the 650-900hp range. Suits high boost and high rpm wide open throttle race applications. Turbo size 62-68mm. Fuel type E85 or similar blend. Kelford Cams recommend KVS17X-T valve spring and retainer upgrade.
Camshaft Specifications
ENGINE MAKE:
ENGINE MODEL:
PART NUMBER:
Mazda
L3VDT
247-C2
VALVE CLEARANCE:
INTAKE:
0.30mm
SET
COLD
EXHAUST:
0.35mm
SET
COLD
AT THE:
CAM
AT THE:
CAM
CAM LIFT:
INTAKE:
11.30mm
EXHAUST:
11.35mm
ROCKER RATIO:
INTAKE:
1
EXHAUST:
1
NETT VALVE LIFT:
INTAKE:
11.00mm
EXHAUST:
11.00mm
ADVERTISED DURATION AT
0.10mm
INTAKE:
272°
EXHAUST:
278°
DURATION AT
1.00mm VALVE LIFT
INTAKE:
238°
EXHAUST:
244°
TIMING AT
1.00mm VALVE LIFT
IVO:
7° BTDC
IVC:
51° ABDC
EVO:
60° BBDC
EVC:
4° ATDC
SUGGESTED CENTRELINES:
INTAKE:
112°
EXHAUST:
118°
LIFT AT TDC
VALVE
INTAKE:
1.74mm
EXHAUST:
1.34mm
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor