CAT CAMS Camshafts 1013658/C Audi I-4cyl 1.8L 20v DOHC

595.00 Χωρίς ΦΠΑ

For ‘conventional’ applications where pricing is important , Cat Cams offers a vast range of high quality chilled cast iron camshafts. Typical applications are fast road and moderate competition camshafts. Development of a casting requires high production volumes, so these are only available for a limited number of big volume applications.

When castings are not (yet) available, the steel billet production line at Cat Cams brings the answer: the development cycle for the BMW Mini R56 Turbo engine was about 6 weeks from arrival of the sample parts. The work included design and manufacturing of steel billet camshafts (see picture below), cam profile design and development of a dual valve spring kit.

For more demanding applications such as dedicated competition projects, the steel billet production line gets in action as well. Beside casting availability, there are some other reasons to prefer steel billet camshafts: gun drilling a 20mm hole over a length of 400mm saves about 1kg. Thanks to this reduction, the weight of Cat Cams steel billets rivals assembled hollow lightweight camshafts. However, the advantage of these ‘single piece’ steel billets is an important improvement in stiffness and strength, allowing higher acceleration cam profiles.

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Κωδικός προϊόντος: 1013658 Κατηγορίες: , , , , , , Ετικέτες: , , ,

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– chilled cast iron camshafts
hot street – dirt track
Set
                                                                                                 
Audi AEB, AWT turbo engines
I-4cyl 1.8L 20v DOHC (DTH/DTH)
                                          intake               exhaust
camshaft data:
lash ramp                         : hydro                hydro
duration @ 0.1mm          : 268°                   263°
duration @ 0.1mm          : 227°                   217°
valve lift                           : 9.25mm             9.95mm
cam  lift
lobe angle                       : 110°                   108°
timing @ 1.0mm             : 4° / 43°              37° / -0°
valve lift @ TDC              : 1.30mm             0.95mm
fitted load / length         : 19kg @ 34.5mm      : 35kg @ 31.1mm
max. load / lift                : 51kg @ 10.0mm      : 65kg @ 10.0mm
REMARKS :
#
225hp engines have an extra lower shim of 0.6mm at the exhaust spring due to higher turbo pressure. The maximum allowed lift when using the std spring setup is reduced to 9.4mm! It is required to modify the spring setup in this case.

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