28-32 degrees is what the dwell is supposed to be. The gap itself isn't all that important if the dwell is correct.
300HP with the base L75 327ci V8 and 350HP with the optional L79 327ci V8 (these are gross horsepower ratings because they didn't switch to net horsepower ratings until 1972).
you will have to find the serial # on the block and get it decoded.
Ph30 fram Fram makes a poor quality filter that I would not recommend. Get a Purolator L20049 which is no more costly and is a quality filter that is a direct replacement for your filter. Advance Auto Parts and some Walmart stores sell them.
175g/6oz Plain Flour100g/4oz Butter or Margarine50g/2oz Caster SugarPre-heat oven to 150°C/300°F Gas 2Cream the butter or margarine and caster sugar together until they are light and fluffy. Stir in the flour and once mixed knead the dough together until it forms a ball, add a sprinkle of flour if the dough is at all sticky.Roll out the dough on a lightly floured surface until it is about 5mm thick.Cut out the dough using your chosen cutter.Place the biscuits on a floured baking tray and bake in the centre of the oven for 25 minutes or until golden brown.Let the biscuits cool on a wire tray before decorating.