My '48 with the original 216, has been losing power lately. I freely admit my analytical skills on this engine are limited. I suspect it's carburetor related, but I can't rule out electrical.
I pulled a plug to see if the problem was there, and discovered a white corrosion inside the plug nipple, so I replaced the plugs and wires. No change.
Power is down, and I've had to dowmshift on hills the truck normally climbed without trouble. It still starts really well, and after it warms up, it idles fine.
I get some backfiring from acceleration from a stop sign on occasion, as it feels like it bogs down, then "pop!," but that's not consistent.
Any ideas?
