Cams: Difference between revisions
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==OEM== |
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{| class="wikitable" |
{| class="wikitable" |
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! colspan="2" |
! colspan="2" rowspan="2" | || colspan="2" | S4 || colspan="2" | RS4 || colspan="2" | NA 2.8 |
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! I || E || I || E || I || E |
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| duration || [1.0mm] || 190° || 226° || 210° || 226° || 210° || 226° |
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| valve lift || || 7.5mm || 10.4 mm || 8.2mm || 10.4 mm || 8.8mm || 10.4 mm |
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| peak angle || || 110° || || 112° || || || |
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| timing || [1.0mm] || -10/20° || 38/8° || || 38/8° || -12/42° || 38/8° |
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==Aftermarket== |
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{| class="wikitable" |
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! colspan="2" rowspan="3"| || colspan="6" | Cat cams || colspan="4" | Revolver || colspan="4" | Piper || colspan="4" | Loba motorsport |
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! 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" | |
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! I || E || I || E || I || E || I || E || I || E || I || E || I || E || I || E |
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| Duration || [0.1mm] || 239° || 245° || 267° || 280° || 264° || 250° || || || || || || || || || 254° || 260° |
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| Duration || [1.0mm] || 214° || 220° || 226° || 232° || 232° || 212° || 248° || 258° || 200° || 210° || 256° || 256° || 244° || 274° || 214° || 218° |
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| 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 |
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| Peak angle || || 110° || 110° || 110° || 110° || 110° || 120° || 110° || 110° || 110° || 110° || 110° || 110° || 104° || 108° || 110° || 110° |
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| 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° || || |
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| Lift at TDC || || 0.70mm || 1.00mm || 1.30mm || 1.70mm || 0.65mm || 0.10mm || || || || || || || || || || |
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| 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" | |
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| 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" | |
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* The Piper intake timing still does not look right. should it be -18? |
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*Revolver Information is most likely for 1.8T cams and not relevant to the 2.7T |
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?