Need A Mopar Performance Distributer

craig984 said

My OEM distributer, the mechanical dosent appear to be all in until 3600 rpm and with increased rpms it still jumps forward with more advance. My understanding with a performance distributer, it should come in to full mechanical around 2200 and hold true???

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That is true but you can buy a $5 set of springs from MP that will make the OEM distributor have all the timing in around 2000-2500 rpm. The advantage of the MP distributor is you can dial in the amount of timing in the distributor to match the cam you are using.