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Why is this engine back firing out the carb? MSD?
#459909
09/05/09 10:46 AM
09/05/09 10:46 AM
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Joined: Aug 2003
Posts: 2,792
IN
Dartman928
OP
master
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OP
master
Joined: Aug 2003
Posts: 2,792
IN
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Guys would like some opinions on this. Last year the car aquired a nast kick back when you go to start it. I have a msd digital 6 box. The has been set-up the same for 3-4 years and then this problem starts to happen. I have 10:1 pump gas engine. I just keep thinking it has to be the msd is retarding the timing too much on the start. I have tried the dial on the box with 20 degrees out and turn it off and it doesn't matter. Just wondering if anyone else has come across this. Most people know that once the car gets together I don't change anything maybe other than the plug LOL. Its just kinda strange that this problem just started out of the blue and I promis I did not change anything LOL. I really don't want to buy another msd digital 6 as a test mule. I would like to get the car to the classic so I can race for the 1st time in 2 years  Thank you 
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Re: Why is this engine back firing out the carb? MSD?
[Re: cudabunch]
#459911
09/05/09 10:56 AM
09/05/09 10:56 AM
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Joined: Aug 2003
Posts: 2,792
IN
Dartman928
OP
master
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OP
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Joined: Aug 2003
Posts: 2,792
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Quote:
Turn the retard off, you dont need it.
I have turned the retard off. I keep thinking that its like the retard is on all time even if I have it turned off.
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Re: Why is this engine back firing out the carb? MSD?
[Re: Quicktree]
#459919
09/05/09 12:30 PM
09/05/09 12:30 PM
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Joined: Nov 2004
Posts: 2,825
Sk. Canada
RemCharger
master
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master
Joined: Nov 2004
Posts: 2,825
Sk. Canada
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Quote:
here's an easy test pump the gas 2 full times and see if it does it.
Have to agree.. the current motor in my car does it now and you pump it and it turns over smooth.. My solution however is that this engine is coming out, so... 
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Re: Why is this engine back firing out the carb? MSD?
[Re: RemCharger]
#459920
09/05/09 12:36 PM
09/05/09 12:36 PM
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Joined: Aug 2003
Posts: 2,792
IN
Dartman928
OP
master
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OP
master
Joined: Aug 2003
Posts: 2,792
IN
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Quote:
Quote:
here's an easy test pump the gas 2 full times and see if it does it.
Have to agree.. the current motor in my car does it now and you pump it and it turns over smooth.. My solution however is that this engine is coming out, so...
So is this a lean start condition? 
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Re: Why is this engine back firing out the carb? MSD?
[Re: Dartman928]
#459921
09/05/09 12:41 PM
09/05/09 12:41 PM
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Joined: Jan 2003
Posts: 32,394
Quicktree
I Win
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I Win
Joined: Jan 2003
Posts: 32,394
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Quote:
Quote:
Quote:
here's an easy test pump the gas 2 full times and see if it does it.
Have to agree.. the current motor in my car does it now and you pump it and it turns over smooth.. My solution however is that this engine is coming out, so...
So is this a lean start condition?
ummmm yes, did you read my post it is a possibility.
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