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sickolds 08-13-2010 11:02 PM

mallory dual points or hei ????
i have a stock gm hei in my chevy 383 now but a also have a new mallory dual points des. i dont know if i should switch or stay the same which is better for a daily driver and a lil performance :mwink:

F-BIRD'88 08-14-2010 01:01 AM

All said and done for your application you are better off with the HEI.

Recurveing the stock HEI mechanical and vacuum advance curves will dial it in for a performance application. The MSD HEI coil is a great upgrade.

The dual point distributor is best used with a aftermarket ignition box (MSD etc )
That way the current across the points is greatly reduced and the ignition output power is jumped up a good bit. The points (used to switch the spark box thru the white wire) will last a long long time like this with a bit of routine lube on the points/cam rubbing block. (the current draw across the points in this configuration is minimum)
Best with vac adv for the street.

bigdog7373 08-14-2010 03:00 PM

I don't know why you would still want to run a points style distributor with these new designs nowadays. I personally like the HEI because they are a self contained unit.

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