C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Timing marks can someone photoshop the numbers in?

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Old 11-19-2010, 03:03 PM
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fc_soldier
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Default Timing marks can someone photoshop the numbers in?

I can take a guess and say the deep mark is the 0 degree mark and to the left is BTDC and to the right is ATDC. And most likely inc. of 2 degrees but I want to verify. This is off a 1985 Corvette.

Old 11-19-2010, 03:10 PM
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engle1147
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Old 11-19-2010, 03:19 PM
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j-wireman
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Nice job, engle.
Old 11-19-2010, 03:19 PM
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Old 11-20-2010, 01:58 AM
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86PACER
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For future reference. Use a timing light with an advance **** on the back of it. If you want to be at 6 degrees you set the timing gun **** to 6 degrees. Then you just align the balancer mark to the deep notch on the timing tab with is zero and you're set exactly. With this method you don't need to be able to read the marks.

This is what I do since most of the time these damn things are rusted and unreadable anyway.
Old 11-20-2010, 01:43 PM
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383vett
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Originally Posted by 86PACER
For future reference. Use a timing light with an advance **** on the back of it. If you want to be at 6 degrees you set the timing gun **** to 6 degrees. Then you just align the balancer mark to the deep notch on the timing tab with is zero and you're set exactly. With this method you don't need to be able to read the marks.

This is what I do since most of the time these damn things are rusted and unreadable anyway.
Just as long as your dialback is accurate. I've heard some stories...
Old 11-20-2010, 04:43 PM
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ex-x-fire
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I remember when they used to put a picture of the timing tab on the emissions sticker. That was a good idea. Those were old gm cars, I wonder if those stickers were emission stickers? All I cared about to read on them was gap, dwell, & timing.....

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