Ing timing? Series III. - Defender Source
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Old March 27th, 2007, 07:38 AM
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Jim Pace
Join Date: Mar 2005
Location: Ridgeland MS USA
Posts: 63
Ing timing? Series III.

I am w/o the Manual for a short while. Anyone pass along the ing. timing for a stock Series III 2.25 gas?

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Old March 27th, 2007, 10:16 AM
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Jim C.
Join Date: Nov 2005
Location: Charlotte, NC
Posts: 457
8:1 compression ratio: TDC when using 90 octane, 3 degrees ATDC when using 85 octane
7:1 compression ratio: 3 degrees BTDC when using 83 octane, and TDC when using 75 octane

Right out of the manual....... can you make heads or tails out of it though?

Follow-up Post:

Oh, the marks on the pointer represent 6 deg. BTDC, 3 deg. BTDC, TDC, and 6 deg ATDC.
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