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Timing Advance on 12lb. Boosted Fox Body?

Old 04-05-2006, 10:41 AM
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Default Timing Advance on 12lb. Boosted Fox Body?

Hey mustang guys, working on a 5.0 Fox Body here. It's got a 12lb. Powerdyne fully built 5.0. I need to know what to set the timing on. Before the upgrade on the blower....it was a simple 6lb. and the timing was 15 degees..........now with the higher boost and a boost retarder, what should I set my timing on....12 degrees maybe?
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Old 04-06-2006, 08:16 AM
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It's good to see so many peopel replying to my thread...and the massive amount of views.....woah....don't hold back.
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Old 04-06-2006, 08:27 AM
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Do you mean 15^ with the spout out and locked?

I'll be surprised if you can get a Powerdyne to produce 12# of boost on a 5.0 with heads and an intake to be honest (you said built). You have 3 options outside of doing a custom chip:

1-set the distributor to 4-5^ base (spout out) and then put the spout back in.
2-set the distributor to 20^ base and leave the spout out (locked)
3-Get an MSD BTM and set the distributor to 14^ base (spout out), put the spout back in, and set the BTM to 1.

This also means running nothing but super unleaded.
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Old 04-06-2006, 10:12 AM
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Originally Posted by Saleen91
Do you mean 15^ with the spout out and locked?

I'll be surprised if you can get a Powerdyne to produce 12# of boost on a 5.0 with heads and an intake to be honest (you said built). You have 3 options outside of doing a custom chip:

1-set the distributor to 4-5^ base (spout out) and then put the spout back in.
2-set the distributor to 20^ base and leave the spout out (locked)
3-Get an MSD BTM and set the distributor to 14^ base (spout out), put the spout back in, and set the BTM to 1.

This also means running nothing but super unleaded.
Hey, this information is great! I thank you for giving me advice!
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Old 04-06-2006, 10:42 PM
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Agreed with the pull timing and keep the spout in. I'm at 14 psi boost at the moment and 5* base with the spout in. Spout out gives bad drivability, stalling, fouling plugs, real real bad fuel economy, and tuning issues (flat spots) if its not just right..
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Old 04-07-2006, 11:36 AM
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I made 12lbs with a PD all day long you just cant miss a shift other wise by by inner belt. We set the base timing at 10 and did the rest in a chip. once it was tuned they found almost 65 more HP/TQ. That combo went 11.2 @ 123 witha 1.8 6d. For what its worth.
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Old 04-18-2006, 06:13 PM
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i would recommend getting a computer tune for your car anything over about 8 pounds. Take it to a good shop and they will set your base timing, fuel pressure, and than go in and tune the computer to do the rest
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Old 04-23-2006, 06:58 AM
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I agree. 20 total is a good number.

Originally Posted by Saleen91
Do you mean 15^ with the spout out and locked?

I'll be surprised if you can get a Powerdyne to produce 12# of boost on a 5.0 with heads and an intake to be honest (you said built). You have 3 options outside of doing a custom chip:

1-set the distributor to 4-5^ base (spout out) and then put the spout back in.
2-set the distributor to 20^ base and leave the spout out (locked)
3-Get an MSD BTM and set the distributor to 14^ base (spout out), put the spout back in, and set the BTM to 1.

This also means running nothing but super unleaded.
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Old 04-23-2006, 10:42 AM
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oh man...look at what the cat drug in.
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Old 04-28-2006, 11:39 AM
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Originally Posted by Torque_Wrench
Hey mustang guys, working on a 5.0 Fox Body here. It's got a 12lb. Powerdyne fully built 5.0. I need to know what to set the timing on. Before the upgrade on the blower....it was a simple 6lb. and the timing was 15 degees..........now with the higher boost and a boost retarder, what should I set my timing on....12 degrees maybe?

what octane fuel are we talking about?
what heads are on the car?
what plugs are you using?
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