Got a few good questions about Timing.
#1
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Got a few good questions about Timing.
1. Should you set the initial set jumper before adjusting timing? FSM says for idle, but it does not mention timing. But it makes sence to me that you don’t want the ECU making any adjustments while timing the car so why would you not set the initial set jumper?
2. The FSM tells you to do the front leading, then adjust the front trailing. If you have the front leading set, then you move the CAS to set it closer on the front trailing, you have now thrown off your front leading, correct? So what is more important to be dead on, if they do not both match up?
3. What direction do you move the CAS to advance timing? Or waht direction will the indicators be moving?
4. Those of you running 10 PSI+ with a street port, how advanced are you safely running your timing?
Thanks All,
Robert
2. The FSM tells you to do the front leading, then adjust the front trailing. If you have the front leading set, then you move the CAS to set it closer on the front trailing, you have now thrown off your front leading, correct? So what is more important to be dead on, if they do not both match up?
3. What direction do you move the CAS to advance timing? Or waht direction will the indicators be moving?
4. Those of you running 10 PSI+ with a street port, how advanced are you safely running your timing?
Thanks All,
Robert
#2
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Re: Got a few good questions about Timing.
Originally posted by Rpeck
1. Should you set the initial set jumper before adjusting timing? FSM says for idle, but it does not mention timing.
1. Should you set the initial set jumper before adjusting timing? FSM says for idle, but it does not mention timing.
#3
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2. If your leading is right, so should your trailing, it almost a mute point to check both. I assuem if they are off somthing is needing replaced.
still open for the other anwsers though.
-Robert
still open for the other anwsers though.
-Robert
#4
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Re: Got a few good questions about Timing.
Originally posted by Rpeck
1. Should you set the initial set jumper before adjusting timing? FSM says for idle, but it does not mention timing. But it makes sence to me that you don’t want the ECU making any adjustments while timing the car so why would you not set the initial set jumper?
1. Should you set the initial set jumper before adjusting timing? FSM says for idle, but it does not mention timing. But it makes sence to me that you don’t want the ECU making any adjustments while timing the car so why would you not set the initial set jumper?
2. The FSM tells you to do the front leading, then adjust the front trailing. If you have the front leading set, then you move the CAS to set it closer on the front trailing, you have now thrown off your front leading, correct? So what is more important to be dead on, if they do not both match up?
3. What direction do you move the CAS to advance timing? Or waht direction will the indicators be moving?
4. Those of you running 10 PSI+ with a street port, how advanced are you safely running your timing?
-Ted
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HAILERS
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Just in case you didn't know......the fsm in the section called Control System(1991fsm, F2-75), says the timing is retarded at idle when warming up........so make sure the car is fully warmed up prior to looking at the timing.
Sorry ...never seen the LEAD spot on and the Trail not spot on. Maybe check out the output of the cas per the fsm at the ECU???? Maybe you'll find something. Maybe ohm out the cas at the ECU?
Timing is set with a timing light, not turning the cas ***** nilly (cheap shot).
Sorry ...never seen the LEAD spot on and the Trail not spot on. Maybe check out the output of the cas per the fsm at the ECU???? Maybe you'll find something. Maybe ohm out the cas at the ECU?
Timing is set with a timing light, not turning the cas ***** nilly (cheap shot).
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Originally posted by HAILERS
Timing is set with a timing light, not turning the cas ***** nilly (cheap shot).
Timing is set with a timing light, not turning the cas ***** nilly (cheap shot).
Thanks all.
-Robert
Last edited by Rpeck; 12-26-03 at 01:20 AM.
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Originally posted by HAILERS
Try adjusting the variable resistor a bit richer for a better idle. Might help. Might not.
Try adjusting the variable resistor a bit richer for a better idle. Might help. Might not.
Thanks,
Robert
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