Cams: Difference between revisions

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Line 7: Line 7:
| duration || [1.0mm] || 190° || 226° || 210° || 226° || 210° || 226°
| duration || [1.0mm] || 190° || 226° || 210° || 226° || 210° || 226°
|-
|-
| valve lift || || 7.5mm || || 8.2mm || || 8.8mm ||
| valve lift || || 7.5mm || 10.4 mm || 8.2mm || 10.4 mm || 8.8mm || 10.4 mm
|-
|-
| peak angle || || 110° || || 112° || || ||
| peak angle || || 110° || || 112° || || ||
Line 30: Line 30:
| Peak angle || || 110° || 110° || 110° || 110° || 110° || 120° || 110° || 110° || 110° || 110° || 110° || 110° || 104° || 108° || 110° || 110°
| Peak angle || || 110° || 110° || 110° || 110° || 110° || 120° || 110° || 110° || 110° || 110° || 110° || 110° || 104° || 108° || 110° || 110°
|-
|-
| Timing || [1.0mm] || -3/37° || 40/0° || 3/43° || 46/6° || -4/56° || 46/-14° ||-10/20°|| 38/8° ||-10/20°|| 38/8° || 18(?)/58° || 58/18° || 18(?)/46° || 65/29° || ||
| Timing || [1.0mm] || -3/37° || 40/0° || -3/43° || 46/6° || -4/56° || 46/-14° ||-10/20°|| 38/8° ||-10/20°|| 38/8° || 18(?)/58° || 58/18° || 18(?)/46° || 65/29° || ||
|-
|-
| Lift at TDC || || 0.70mm || 1.00mm || 1.30mm || 1.70mm || 0.65mm || 0.10mm || || || || || || || || || ||
| Lift at TDC || || 0.70mm || 1.00mm || 1.30mm || 1.70mm || 0.65mm || 0.10mm || || || || || || || || || ||

Latest revision as of 21:51, 6 November 2019

OEM

S4 RS4 NA 2.8
I E I E I E
duration [1.0mm] 190° 226° 210° 226° 210° 226°
valve lift 7.5mm 10.4 mm 8.2mm 10.4 mm 8.8mm 10.4 mm
peak angle 110° 112°
timing [1.0mm] -10/20° 38/8° 38/8° -12/42° 38/8°

Aftermarket

Cat cams Revolver Piper Loba motorsport
1004050 1004051 1004052 001 grind 002 grind Mild Race
I E I E I E I E I E I E I E I E
Duration [0.1mm] 239° 245° 267° 280° 264° 250° 254° 260°
Duration [1.0mm] 214° 220° 226° 232° 232° 212° 248° 258° 200° 210° 256° 256° 244° 274° 214° 218°
Valve lift 8.80mm 10.85mm 9.25mm 11.00mm 9.75mm 9.55mm 8.9mm 10.5mm 7.7mm 9.7mm 8.26mm 9.44mm 8.69mm 10.93mm 9.00 mm 10.8 mm
Peak angle 110° 110° 110° 110° 110° 120° 110° 110° 110° 110° 110° 110° 104° 108° 110° 110°
Timing [1.0mm] -3/37° 40/0° -3/43° 46/6° -4/56° 46/-14° -10/20° 38/8° -10/20° 38/8° 18(?)/58° 58/18° 18(?)/46° 65/29°
Lift at TDC 0.70mm 1.00mm 1.30mm 1.70mm 0.65mm 0.10mm
Overlap [0.1mm] 22° 53.5° 17° 33° -15°
notrly Overlap [1.0mm] -3° -18° 36° 47°
  • The Piper intake timing still does not look right. should it be -18?