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Old 29-01-2004, 08:24 PM   #6
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Join Date: Mar 2002
Location: Melb, Aus
Car: Mazda 323 BA BPT transplant
Posts: 3,459
tho TDC is timed on piston 1 its only for simplicities sake yeh ?
from what i understand the term coversthje timing across all pistons - as they all should have indentical timing. Its just that they events occur one after the other in sequence. ie 10deg advance is 10deg across all pistons

i do disagree that they dont use valve overlap anymore. Refer to :

You can clearly see that overlap exists in these OEM cams. It even provides the overlap degrees in the chart.

lol not that it really matters !!
but i just wanted to check if my memory served me right
[ Turbo BA ]
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