valve timing differences: rr/3b, aan, aby, adu

Dave Eaton Dave.Eaton at
Sun Jul 15 19:53:12 EDT 2001

the following are the differences in valve timing between the earlier 20vts:
(the 3b/rr, aan, and aby) and that of the adu.

the numbers below are in degrees (at 1mm lift and 0mm valve clearance), 1st
the earlier 20vt motors, then the adu

inlet opens after tdc:     3, 13
inlet closes after bdc:   25, 35
outlet opens before bdc:  42, 24
outlet closes before tdc   9,  1

'95 rs2
'90 ur-q

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