04-15-2021, 06:44 AM | #1 |
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spark plugs
hello everybody, does anyone knows what the best spark plugs for a 368 ci y block lincoln ?
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04-15-2021, 07:29 AM | #2 |
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Re: spark plugs
Autolite #46 or equivalent. Stay away from Champion, they have quality control problems.
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04-15-2021, 12:30 PM | #3 |
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Re: spark plugs
i use 870 champion to my 272 and it's works good, i used autolite 46 made in china and i want no more
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04-15-2021, 06:20 PM | #4 |
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Re: spark plugs
I just looked on the web and only seem to be a run around searching. Never did find solid answer. I think Motorcraft moved to Mexico long ago, other things say they are made here by Autolite. Supposed to be labeled on box but many labels are confusing also.
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04-15-2021, 07:22 PM | #5 |
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Re: spark plugs
I have personal experience with Champion's quality issues. I had a '53 Customline with the original flatty, a fresh rebuild. I used Champion plugs and soon after the maiden run on the rebuild the engine began running rough. To cut to the chase, I pulled the plugs and found one that had dropped it's center electrode. This forced me to remove the head and examine the piston top and cylinder. I never found the electrode and there was no damage to the cylinder. The top of the piston looked pretty good, too, so I buttoned it back up and bought a lottery ticket. The electrode must have exited through the exhaust valve. Turns out Champion GLUES the center electrodes. I swore off Champion plugs then and there and won't even use one in a lawn mower.
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04-15-2021, 09:58 PM | #6 |
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Re: spark plugs
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04-16-2021, 09:54 AM | #7 | |
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Re: spark plugs
Concerning MOTORCRAFT -
Your period car came through with CHAMPIONS as that was the supplier to FORD until FORD bought AUTOLITE in the early sixties. FORD was forced to divest itself of AUTOLITE in 1972 but was allowed to make plugs under the new MOTORCRAFT name for a period (you would see MOTORCRAFT on the box along with AUTOLITE). I believe the new supplier was the new independent AUTOLITE. FORD also now uses plugs from varied suppliers. NGK being one for special calibrations. (IMO), FORD MOTORCRAFT is the best plug for an everyday driver. Your calibration (LINC - 368CI) calls for SP-431-A (OLD NO. BSF-82-CA). ------------------------------------------- Quote:
SOURCE - https://en.wikipedia.org/wiki/Autolite
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DIAGNOSED CDO - (OCD In Correct Alphabetical Order) Last edited by KULTULZ; 04-16-2021 at 11:21 PM. Reason: ADD INFO |
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