I'm with Jerry on this one. I saw it happen 7+ years ago and again recently on this forum. If you have a dwell meter you can watch the dwell get less and less as the RPM increases. It should stay constant.

Last edited by Bill Hanlon; 11/13/2022 5:48 PM. Reason: spelling

'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.