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Chrysler Electronic Distributor
Fitted with Negative Supercharging (Impulse) advance springs
Produces up to 50 lbs/ft more torque from low to midrange and up to 10% more fuel economy
This is a remanufactured Chrysler made electronic distributor which is fitted with the Negative Supercharging (Impulse) advance springs. The springs produce a radical new advance curve which substantially improves torque from idle to midrange, acceleration, towing power, responsiveness, fuel economy and eliminates pre-ignition (pinging) in engines from standard, performance to towing.
Negative Supercharging advance curve MUST be used in conjunction with the following advance at the crank
| Fuel |
Open Chamber |
Close Chamber |
IMPORTANT |
| High Octane |
25° BTC |
22° BTC |
Ignition timing should not be advanced by more than 25° at the crank because it will reduce power even if pre-ignition (pinging) is not audible. |
| Low Octane |
21° BTC |
18° BTC |
Negative Supercharging vacuum advance
Vacuum advance at the crank should not be more than 45° with open chamber heads and 40° with close chamber heads.
Street engines have been using the wrong ignition advance curve for the past 50 years!
We developed the Negative Supercharging advance curve in 1993 to maximise the power produced by Negative Pressure Supercharging. However, we found this new advance curve also improves the torque and fuel economy in engines from standard, performance to towing.
| Impulse Engine Technology
P/L |
PO Box 986 Randwick NSW 2031 Australia
Ph: (02) 9398 5544
Fax: (02) 9398 5644
International: Ph: +(612) 9398 5544
Fax: +(612) 9398 5644
Email Us
Inventor of Negative Pressure Supercharging
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