E 3 spark plugs

[rvpezzano]

Has anyone installed the E3 spark plugs? I've heard everything from "the best thing since sliced bread" to junk.

[Rrickim63]

Worked good in my lawnmower..seriously ..make sure they are gapped correctly and the correct heat range

[jgroff]

tried them in my old chevy trailblazer. fouled 2 plugs in a month and gas mileage got worse. i think they are a gimmick.

[Kaboom]

IMHO I wouldn't spend the extra money.

We did extensive dyno testing on air cooled v twin engines. One of the tests was to try every spark plug available including E3 and splitfires. The dyno showed no gain in power if using the same heat range plugs. The plugs that performed the best were the regular OE brand. In fact two of the high dollar plugs were prone to breaking the insulator if any detonation occurred.

[turnerpa]

I have them in my 2005 f-150 and I like them. I didn't get any extra power or mileage from them but they are a one piece plug so I don't have to worry about breaking them in the heads. That's the main reason I went with them.


Sent from my iPhone using Forest River Forums

[OldCoot]

Originally Posted by turnerpa

I...they are a one piece plug...

Never seen any spark plug that wasn't one pc other than the screw on terminal on top.

[turnerpa]

Originally Posted by OldCoot

Never seen any spark plug that wasn't one pc other than the screw on terminal on top.

The 5.4L triton motors used a 2 piece plug they are about twice as long as a normal plug. They were very well known for the bottom breaking off in the head and even falling into the cylinder! Ford even made a special tool just to get the bottom piece out in case it broke off. I was fortunate in the fact that I never had a single one break off on me, (and still haven't), but I wasn't willing to risk it any longer so I searched and searched until I found the E3 one piece plugs to replace them with.


Sent from my iPhone using Forest River Forums