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Join Date: May 2006
Location: Atlanta, GA
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Question Timing and mixture Procedures

Anyone have procedures for setting the timing and the mixture that they can post?

My car is moving again and I want to be sure I don't hurt my new engine! Thanks.
Old 01-11-2008, 05:53 PM
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year of car? euro or usa model? mods?

will need all of this info to give you the right info.
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John A.
1979 Porsche 930: 3.4L, SC cams, Twin plug, Leask WUR, Custom SSI turbo exhaust, Tial WG, K27HFS, and we can't forget the Zork (short lived depending on my homeowners assoc.)
05 Boxster S: For the Track.
06 Dodge Ram 2500 Power Wagon: Tow Vehicle
Old 01-13-2008, 07:27 PM
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OFF THE BOOST PIPE NOW...
 
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Old 01-14-2008, 05:31 PM
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Sorry forgot the details, 1987 USA 930, stock except for Tial WG. Fresh rebuild, new P&C. Thanks for the help!
Old 01-14-2008, 06:01 PM
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You shouldnt need to change the mixture if it was already set before the rebuild. If it is a new fuel head then you will want to do something about it.

You will need to set the static ignition timing before you start her up. Follow the procedure in Waynes rebuilding book.

You will want to set you values to (as per factory manual):

5 degrees at ATDC + or - 3 degrees.

This means your rotor will be pointing at the notch on the dizzy while the 5 degree mark on the cam pulley is pointed at the notch on the fan housing.

Once you get her started up, used a timing light to verify
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John A.
1979 Porsche 930: 3.4L, SC cams, Twin plug, Leask WUR, Custom SSI turbo exhaust, Tial WG, K27HFS, and we can't forget the Zork (short lived depending on my homeowners assoc.)
05 Boxster S: For the Track.
06 Dodge Ram 2500 Power Wagon: Tow Vehicle
Old 01-15-2008, 11:08 AM
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OFF THE BOOST PIPE NOW...
 
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I'd finish the timing adj at 4k rpm and 26* IIRC. The dizzy vac lines pulled and plugged.

Old 01-15-2008, 05:26 PM
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Good call. and watch your fingers around that fan!
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John A.
1979 Porsche 930: 3.4L, SC cams, Twin plug, Leask WUR, Custom SSI turbo exhaust, Tial WG, K27HFS, and we can't forget the Zork (short lived depending on my homeowners assoc.)
05 Boxster S: For the Track.
06 Dodge Ram 2500 Power Wagon: Tow Vehicle
Old 01-15-2008, 06:42 PM
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