Dart falls on it's face.

thats how I do it, I want the enrichment as soon as I can use it.

the pv's come in 1, 2.5, 3.5, 4.5, 5, 5.5, 6.5, 7.5, 8.5, 9.5 10.5

I have 6.5'ish vac @ idle with my 410 stroker so I use a 4.5