Autolite double platinum spark plugs?

Joined
May 7, 2018
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1,745
Location
Northern KY
They are half the price of iridium NGK plugs for my Scion. Any reason not to try them, especially since I plan on pulling the plugs every 20k or so to soak the pistons?
 
I'd stick with NGK plugs. They'll last twice as long so they aren't going to cost more in the end.
 
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For 20k, even copper will do. Denso U-Groove copper is a good price, and NGK G-Power isn't much more. The OE iridiums are good to at least 100k. A set of Denso iridium TT is $25 from Rock Auto.

Why do you need to soak the pistons every 20k? :unsure:
 
Try them and report back how they do initially and also report back down the road when you have hopefully a lot of miles on them.
It'd be nice to see someone use those plugs and report back instead of everyone giving the herd "use NGK" reply.
 
Autolite DP are the recommended S/Ps on Ford forums with Duratec engines. Good for 60K miles.
 
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