The Ford Barn - View Single Post - 41 Ford rough running, backfiring, and hard engine vibration

30aadoodlebug · 07-08-2021, 03:59 PM

new plugs. correct firing order. holly 94. 11a crab distributor with after market coil set up. its a rebuilt engine from 5 years ago with less than 3000 miles on it. its a late 41 pencil block. I have not done a vacuum test on the plugs yet.

07-08-2021, 03:59 PM	#3
30aadoodlebug Senior Member Join Date: Jul 2014 Location: Boxborough, MA Posts: 274	Re: 41 Ford rough running, backfiring, and hard engine vibration new plugs. correct firing order. holly 94. 11a crab distributor with after market coil set up. its a rebuilt engine from 5 years ago with less than 3000 miles on it. its a late 41 pencil block. I have not done a vacuum test on the plugs yet.