Hello everyone, I was wondering what type of plugs I should be using in my '64 283, the ones that came out of it are a mix of Motorcraft, motomaster, and bosch. The ones I got from my local Canadian Tire are Champion RJ12YC.
The champion plugs don't even have 30 km on them and 3 have fouled up so bad I had to put some of the old ones back in.
I will be ordering AC Delcos I was just wondering what ones exactly I need, I cross referenced the Champions and came up with ACDelco R43S is this the plug? I have found other sites that say ACDelco 45, I checked with my parts guy and there are an abundance of the R43S plugs I just want to make sure I know what ones exactly before I commit to buying another set.
I'm running AC Delco R45 (they don't foul up). If I was running it regularly, R44. If I was running it hard, R43.
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Prince Edward Island
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.