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Sparking plug heat range.


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I wouldn't install bosch platinum plugs in anything... I used them in an ej22 once, it ran crappy, and after a couple weeks ran horrible. This is how the plugs came out.

 

IMG_2865.jpg

(I'm aware the screw thingy on the top is missing, but it was there when it was in the car, that's not why it ran bad)

 

After I changed to ngk coppers, it was fine.

Edited by 987687
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+1 on the anti-Bosch Platinums.

I had  three fail in less than a month after installation on a 1991 Ranger V6, that's a 50% failure rate!

Immediately yanked them out and never used Bosch Plats on anything ever again.

 

For Japanese vehicles I use NGK,

For the Scout its AC/Delco

Ranger gets Autolite

 

Has anyone here have any experience with Pulstar Pulse Plugs?

 

curiously,

timothy

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