Cat Cams Hot Street 278/278 Camshafts for Mazda MX-5 1.8 VVT BPZ3

£685.00 inc VAT

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Cat Cams Hot Street 278/278 Camshafts for Mazda MX-5 1.8 VVT BPZ3 for pro street applications. These Camshafts are for use in 1840cc BPZ3 engines with standard shim over bucket cam followers.

Should not cause interference if the head is not skimmed. However, the following details must be verified:
  • Camshafts must turn smooth in the cylinder head, provide free travel by machining where needed
  • Distance between valve seal and retainer at full lift must be 0.6mm at least
  • Minimum valve spring travel of 1.0mm at full lift must be provided
  • Distance between the valve and piston 1.0mm (pref. 1.5mm). check 5-15° before TDC on the exhaust and after TDC on the intake
  • Only for pro street use with adjustable engine management

Camshaft Data Intake Exhaust
Lash ramp 0.25mm 0.25mm
Duration @ 0.1mm 278° 278°
Duration @ 1.0mm 232° 232°
Valve lift 9.95mm 9.95mm
Lobe angle 125° 108°
Timing @ 1.0mm -9° / 61°  44° / 8°
Valve lift @ TDC 0.55mm 2.05mm

 

Parts Required
Cam Wheels N
Followers N
Valve Lash N
Valve Springs N

 

Brand

Cat Cams

Engine

1.8

Cam Followers

Standard Shim Over Bucket

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