I tried that bu it didn't seem to help.

Then I got my dads opinion and he suggested something I had been thinking about doing anyway. Using a timing light on each wire to see if it was firing. Wouldn't you know it? Cylinders 2 and 6 were causing the sputtering. I'll get a new set of spark plugs soon and report back


69 Buick Special Deluxe. Intercooled Turbo Chevy 250 @ 15psi on a stock long block. It's kinda fast.