cams

["Sedon, Doug (OD)" <sedond@xxxxxxxxxxxxxx>]

abe, among other things, you said:
>I am looking for the valve timing information @ .050 cam lift from a
>camshaft card for 2.5 V6 Milano engine. All the info I came across so far=
> is just valve timing specs. If there is no such info available, how can one
>tell when the valves are opening and closing for the purpose of degreeing=
> a cam.
================
from the '91-'92 a-r catalog, v6 2.5:
valve timing:
io - 37
ic - 61
eo - 60
ec - 24
valve clearance, inches:
i - .019
e - .009
duration degrees crank:
i - 278
e - 264
overlap degrees crank:
61
lobe centers:
i, atdc - 102
e, btdc - 108
duration at 0.050" cam lift degrees crank:
i - 228
e - 205
cam lift, mm (inches):
i - 9.1 (0.358)
e - 6.4 (0.252)*
*exh rocker arm ratio is 1.4:1;  valve lift = cam lift x 1.4

hope this helps,

doug s

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