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timing
#492920
10/10/09 10:40 AM
10/10/09 10:40 AM
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Joined: Jan 2003
Posts: 1,013
LEE, MASS
TOMRR
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 1,013
LEE, MASS
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 Iam have a bear of a time with the timing on my 440, When I unhook the vacuum from the distributor the engine seems to run fine , but when I hook it back up and bring up th RPM,S of the motor, it want to sputter and and back fire a little it,s a stock ELE Distributor Any Idears ??? 
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Re: timing
[Re: TOMRR]
#492923
10/10/09 07:40 PM
10/10/09 07:40 PM
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Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
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A six pack will not like 5btdc at idle. You will have to recurve the ditributer so that you can have 15-18 at idle and 36 total. Quote:
[ it,s a stock ELE Distributor
Is it an OEM distributor or is it a new MP distributor? If it is a recent MP then you need to read this. http://www.moparts.org/Tech/Archive/elec/29.html
Last edited by GomangoCuda; 10/10/09 07:46 PM.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: timing
[Re: TOMRR]
#492924
10/10/09 11:07 PM
10/10/09 11:07 PM
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Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
dave571
master
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master
Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
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Quote:
Iam have a bear of a time with the timing on my 440, When I unhook the vacuum from the distributor
the engine seems to run fine , but when I hook it back up and bring up th RPM,S of the motor, it want to sputter and and back fire a little
it,s a stock ELE Distributor
Any Idears ???
First problem is You've got too much advance because you are using manifold vacuum instead of ported.
Second is likely, that As touched on by others, the distributor curve is likely not what you need for a perf motor. It all depends on cam, comp, weight, gear, tire, etc..
As a patch, you could set the max mechanical timing to 35 or so, and let the base fall where it does. Then hook up the vacuum advance to a ported source.
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