67cudamack
Active Member
Hi what kind of spark plugs shoud i use on a 1975 360
what are the best spark plugs to run on a 1975 360 motor
- Thread starter 67cudamack
- Start date
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need more information than that. ideally...
is it bone stock? 4bbl or 2bbl? any mods? what's it in? what do you use it for or how do you drive it?
a stock 2bbl in a motor home is gonna want a different plug than a hopped up 4bbl in a valiant, ya dig?
is it bone stock? 4bbl or 2bbl? any mods? what's it in? what do you use it for or how do you drive it?
a stock 2bbl in a motor home is gonna want a different plug than a hopped up 4bbl in a valiant, ya dig?
RN14YC.
Whichever. lol
Scody21
Just send it
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NGK - BKR6E
Professor Fate
Push the button, Max...
Stock or close to it, in an A body: Autolite 65.
67cudamack
Active Member
Hi stock 4 bbbl
any of these will be fine. dealer's choice.
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You mean your suppositories. Gotchya.
harrisonm
Well-Known Member
I have always had really good luck with Autolites.
As long as you use a 4 heat range if you are using NGK [ a good idea ]. From testing I have seen, the res plugs & resistance of the leads does not hurt power in the average hi-po engine.
In the test below, a non-res spark plug got the lowest hp....& the highest hp was not with the lowest resistance leads! Buy a good brand of spiral would leads...& worry not.
Spiral/heli leads are an inductor [ a coil ]; because the wire is wound around a ferrite core. So, compared to capacitance & resistance in the mix which you have with solid or carbon leads...you now have inductance also; this might explain the results below.
In the test below, a non-res spark plug got the lowest hp....& the highest hp was not with the lowest resistance leads! Buy a good brand of spiral would leads...& worry not.
Spiral/heli leads are an inductor [ a coil ]; because the wire is wound around a ferrite core. So, compared to capacitance & resistance in the mix which you have with solid or carbon leads...you now have inductance also; this might explain the results below.
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