67coronetman
Well-Known Member
Can I ask what springs you all are using with the Mopar 312/590 on factory heads.
Any help with tech info would be very appreciated.
Any help with tech info would be very appreciated.
312/590 Mopar cam
- Thread starter 67coronetman
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PRHeads
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Big block/small block....... not the same.
Either will be using dual springs, which will require some mods done to the heads to facilitate that.
Either will be using dual springs, which will require some mods done to the heads to facilitate that.
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