Setting V6 ignition timing - Page 2 - Alfa Romeo Bulletin Board & Forums
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post #16 of 19 (permalink) Old 03-11-2019, 05:40 PM
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Factory setting of 2BTDC is for smog, produces hotter exhaust to keep your cat working. For driving, with stock pistons you can safely move to 7BTDC. This is the factory spec for 3.0 Milano. You can add more degrees for better performance, but careful you don't want to cause preignition damage. Higher compression pistons will not allow as much advanced timing as stock pistons.
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post #17 of 19 (permalink) Old 03-11-2019, 07:14 PM
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Our 89 Milano Gold, bought new, pinged going up hills with half throttle or more, using regular grade gasoline. Don't know the timing, not touched ever, but have to use mid-grade fuel where we live, sea level conditions. Doesn't do it at Rocky Mountain altitudes with regular grade, of course.

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1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #18 of 19 (permalink) Old 03-11-2019, 07:20 PM
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Yes, well if you want to use regular gas, by all means stay with 2BTDC.
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post #19 of 19 (permalink) Old 03-13-2019, 03:31 PM
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Youz guys make it difficult! All I do is line up the Number One 1 plug wire to the bolt on the valve cover. Been workin' for over 30 years.
Unless some screwed up a timing belt replacement?

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1972 Montreal (The Pumpkin)
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1982 Spider
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1987 Milano Verde(Da kREDden Mobile)
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