mackmodelb Posted 1 hour ago Share Posted 1 hour ago I am wondering what the differences in the heads between a dynatard E6 4 valve and non dynatard e6 4 valve? My 1987 R688ST has a late '86 4 valve E6-350 with non dynatard heads and was wondering what it takes to make them accept dynatard components. I thought I had read the exh valve seat depth was deeper and the push rods are different. I would like to clarify that prior to having the machine shop go through my non Dynatard heads. Any help would be greatly appreciated. Thank you. Quote Link to comment https://www.bigmacktrucks.com/topic/76417-1986-e6-350-4-valve-head-question/ Share on other sites More sharing options...
fjh Posted 20 minutes ago Share Posted 20 minutes ago rockers cam and push tubes! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76417-1986-e6-350-4-valve-head-question/#findComment-591493 Share on other sites More sharing options...
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