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390 timing

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Old Jun 25, 2007 | 01:35 PM
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cespires3673
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From: swansea, sc
Red face 390 timing

I'm having problems with the timing in my rebuilt 390 from CME out of SC tried everything but taking the timing cover off and checking which notch they set the timing chain on runs fine at an idle and normal driving but when you get into it it wants to spark rattle
 
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Old Jun 25, 2007 | 02:45 PM
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Freightrain
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What distributor do you have? stock? what's timing like, initial/total? Vacuum advance hooked up?
 
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Old Jun 25, 2007 | 02:51 PM
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cespires3673
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From: swansea, sc
stock distributor electronic , had to unhook advance for it to run desent
 
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Old Jun 25, 2007 | 04:24 PM
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Bear 45/70
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From: Union, Washington
Originally Posted by cespires3673
stock distributor electronic , had to unhook advance for it to run desent
If unhooking the vacuum advance makes it run better usually mean initial timing is set to way high.
 
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Old Jun 26, 2007 | 05:32 AM
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cespires3673
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From: swansea, sc
set timing everywhere literally! it has a roller timing set i'm thinking that maybe the manufacturer set the timing chain on high instead of standard
 
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