Cams: Difference between revisions

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==OEM==
{| class="wikitable"
{| class="wikitable"
! colspan="2" | || colspan="4" | CAT || colspan="4" | Revolver* || colspan="4" | Piper || colspan="6" | Audi
! colspan="2" rowspan="2" | || colspan="2" | S4 || colspan="2" | RS4 || colspan="2" | NA 2.8
|-
|-
! colspan="2" | || colspan="2" | 1004050 || colspan="2" | 1004051 || colspan="2" | 001 grind || colspan="2" | 002 grind || colspan="2" | Mild || colspan="2" | Race || colspan="2" | S4 || colspan="2" | RS4 || colspan="2" | NA 2.8
! I || E || I || E || I || E
|-
|-
! colspan="2" | || I || E || I || E || I || E || I || E || I || E || I || E || I || E || I || E || I || E
| duration || [1.0mm] || 190° || 226° || 210° || 226° || 210° || 226°
|-
|-
| duration || [0.1mm] || 239° || 245° || 267° || 280° || 248° || 258° || 200° || 210° || || || || || || || || || ||
| valve lift || || 7.5mm || 10.4 mm || 8.2mm || 10.4 mm || 8.8mm || 10.4 mm
|-
|-
| duration || [1.0mm] || 214° || 220° || 226° || 232° || || || || || 256° || 256° || 244° || 274° || 190° || 226° || 210° || 226° || 210° || 226°
| peak angle || || 110° || || 112° || || ||
|-
|-
| valve lift || || 8.80mm || 10.85mm || 9.25mm || 11.00mm || 8.9mm || 10.5mm || 7.7mm || 9.7mm || 8.26mm || 9.44mm || 8. 69mm || 10.93mm || 7.5mm || || 8.2mm || || 8.8mm ||
| timing || [1.0mm] || -10/20° || 38/8° || || 38/8° || -12/42° || 38/8°
|}

==Aftermarket==
{| class="wikitable"
! colspan="2" rowspan="3"| || colspan="6" | Cat cams || colspan="4" | Revolver || colspan="4" | Piper || colspan="4" | Loba motorsport
|-
! colspan="2"|1004050||colspan="2"|1004051||colspan="2"|1004052||colspan="2"|001 grind||colspan="2"|002 grind|| colspan="2" | Mild || colspan="2" | Race || colspan="2" |
|-
! 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° || ||
|-
|-
| peak angle || || 110° || 110° || 110° || 110° || 110° || 110° || 110° || 110° || 110° || 110° || 104° || 108° || 110° || 110° || 112° || 112° || ||
| Lift at TDC || || 0.70mm || 1.00mm || 1.30mm || 1.70mm || 0.65mm || 0.10mm || || || || || || || || || ||
|-
|-
| timing || [1.0mm] || -3/37° || 40/ 0° || 3/43° || 46/ 6° || || || || || 18/58° || 58/18° || 18/46° || 65/29° || -10/ 20° || 38/8° || || 38/8° || -12/42° || 38/8°
| Overlap || [0.1mm] ||colspan="2"| 22° ||colspan="2"| 53.5° ||colspan="2"| 17° ||colspan="2"| 33° ||colspan="2"| -15° ||colspan="2"| ||colspan="2" | ||colspan="2" |
|-
|-
| lift at TDC || || 0.70mm || 1.00mm || 1.30mm || 1.70mm || || || || || || || || || || || || || ||
| notrly Overlap|| [1.0mm] ||colspan="2"| -3° ||colspan="2"| 9° ||colspan="2"| -18° ||colspan="2"| ||colspan="2"| ||colspan="2"| 36° ||colspan="2" | 47° ||colspan="2" |
|}
|}

* The Piper intake timing still does not look right. should it be -18?

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° 9° -18° 36° 47°
  • The Piper intake timing still does not look right. should it be -18?
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