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04-14-2012, 12:25 PM | #1 |
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Timing?
Hello all, Perhaps someone knows of or has expierenced this. I set the MSD crank trigger to 35 degrees but when I check it with a timing light it is only at 32 degrees. I checked to make sure that the damper it true @ TDC and it is. So is there a, + or - in the MSD box? I wouldn't think so. Any ideas?
Thanks, Kevin T |
04-14-2012, 06:18 PM | #2 | |
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Re: Timing?
Quote:
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Chris Williams 6304 SC, TD, ET |
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04-14-2012, 07:07 PM | #3 |
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Re: Timing?
Also be sure to use a non adjustable timing light to set timing with an MSD.
Multiple strikes play hell with the adjustable advance electronics on the adjustable lights.
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Tom Goldman 1500 SG , 1506 STK |
04-15-2012, 01:12 AM | #4 |
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Re: Timing?
Forgot to mention, it is a 7AL3 box.
kt |
04-15-2012, 09:40 AM | #5 |
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Re: Timing?
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04-15-2012, 11:22 AM | #6 |
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Re: Timing?
MULTI-STEP RETARD
There are four retard modules available with the 7AL-3. Each module is activated independently by removing ground from the corresponding module. The controlling terminals are listed as RET-1 through RET-4 and are located on the third terminal strip. The modules can be activated in any order and are cumulative unless deactivated. The maximum amount of retard allowed is a total of 20° even if the modules add up to more than 20°. Note: If a Retard function is not going to be used the corresponding terminals must be grounded, or a "zero" degree module must be installed. |
04-15-2012, 02:43 PM | #7 |
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Re: Timing?
I know that, all the retards have zero chips in.
kt |
04-16-2012, 09:49 PM | #8 |
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Re: Timing?
The chips are sometimes bad. I have the chips in, and have a jumper grounding all four of the screws on the front for the retard triggers. More than one guy has been burned by one of the chips not being enough.
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Chris Williams 6304 SC, TD, ET |
04-17-2012, 09:13 AM | #9 |
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Re: Timing?
Chris and Pat, thanks for the advice, will tie the chips together and gound them. I'll check the timing again. Will let you know if that works.
Kevin |
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