Immediately I felt added response from the converter of idle. A little twizzy of the dizzy going by ear instead of the light this time, and off for a drive. Fired the ***** up, sounded good and tight, and when i turned them idle screws the idle changed like it should. manifold again and swapped out my 1.6 rollers for a set of 1.5 harland sharp rollers complete with a moroso u-bolt stud girdle. I then re-torqued the heads again, and re-torqued the int.

Using two tiny tooth washers placed under the the module plate on the little outer ledges where the upper plate is secured to the distributor housing, I gained the clearance needed for smooth rotation. No issues with the pertronix.knock knock knock.anyways, i discovered scoring on the underside of the plate that the module sits on caused by contact with the heads of the screws from the plate further down. Its a mallory unilite photo-optic eye distributor but after frying my second mallory module a while back, i installed the pertronix ignitor module in its place. It felt like there was a little too much friction so i pulled it. The distributor should have a slight rubber bandy snap to it, like 1/4 inch maybe, free from restriction. manifold area and 2) that my distributor didn't feel right when turning the rotor cw gently by hand. With some direction from you guys I took a closer look at at vacuum and ignition and determined 1) a minor vacuum leak exists somewhere around the rear lifter valley-int. I knew something wasn't right because of the the lack of response from the idle mixture screws, the muddy shifts, and the converter didn't feel quite right.

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