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Location:
Auckland, New Zealand
Registered:
October 2002
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Timing marks
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Sun, 11 May 2003 21:51
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I have a 7AFE engine - but i assume its the same for all A series and poss even all toyota engines: What increment does each timing mark stand for and what range do they cover? (ie what does the 1st and last marks represent?)
thanx.
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Location:
Auckland, New Zealand
Registered:
October 2002
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Re: Timing marks
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Wed, 14 May 2003 21:09
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Surely someone knows??? 
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Timing marks
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Wed, 14 May 2003 22:46
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10 degrees? Although can't say I've played with a 7A lately
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Location:
Auckland, New Zealand
Registered:
October 2002
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Re: Timing marks
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Wed, 14 May 2003 22:50
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Thanks for the reply.
So if i have say 5 timing marks (cant recall exactly) what does the mark at each extremity represent? 20 retard and 20 advance? (ie -20, -10, 0, 10, 20) ?
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Timing marks
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Thu, 15 May 2003 02:53
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I THINK that's it - you can check which ones TDC by dropping a screwdriver down #1 plughole, then mark it with white paint.
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Club Member
Location:
sydney
Registered:
May 2002
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Re: Timing marks
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Thu, 15 May 2003 09:21
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most marks are in 5 degree incriments , im not sure what the timing is for a 7A... 4AC is 5 degrees, 4AGE is about 10-12 degrees
the marks and the related incriment should bo on the timing cover, most toyota engines number the incriments
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