247-D
Drag racing cams for professionally built engines in the 750-1000HP+ range. Fuel type E85 or methanol. Turbo size 68mm+. Kelford Cams recommend KVS17X-T valve spring and retainer upgrade.
Camshaft Specifications
ENGINE MAKE:
ENGINE MODEL:
PART NUMBER:
Mazda
L3VDT
247-D
VALVE CLEARANCE:
INTAKE:
0.30mm
SET
COLD
EXHAUST:
0.35mm
SET
COLD
AT THE:
CAM
AT THE:
CAM
CAM LIFT:
INTAKE:
11.55mm
EXHAUST:
11.60mm
ROCKER RATIO:
INTAKE:
1
EXHAUST:
1
NETT VALVE LIFT:
INTAKE:
11.25mm
EXHAUST:
11.25mm
ADVERTISED DURATION AT
0.10mm
INTAKE:
282°
EXHAUST:
292°
DURATION AT
1.00mm VALVE LIFT
INTAKE:
242°
EXHAUST:
248°
TIMING AT
1.00mm VALVE LIFT
IVO:
9° BTDC
IVC:
53° ABDC
EVO:
62° BBDC
EVC:
6° ATDC
SUGGESTED CENTRELINES:
INTAKE:
112°
EXHAUST:
118°
LIFT AT TDC
VALVE
INTAKE:
1.96mm
EXHAUST:
1.56mm
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