340 distributor

You should have a Prestolite dual point as the guys mentioned earlier. They were used in the 340`s up to 71 and the low compression 340`s used the electronic ignition/distributor. The manual trans. dual points had a little faster advance springs than the autos. The dual point gives a hotter spark at high speeds, you`ll need a dual point (at least) or an electronic ignition to give that 69-340 what it needs.