spark plugs

[Edward jardanowski]

i have a 2001 st 4x4 with 111000 miles on it.i installed bosch platium 5 plugs and new wires.boy did my fuel mileage drop. i can not do better than 15 mpg on the hwy.oh yes i have heard todd z say many times stick with autolite plugs.apparently this is true.any suggestions?thanks edj.:angry:

 

[Tom Schindler]

Stick with Motorcraft plugs. That is the OEM plug and I will not put anything but Motorcraft plugs in my vehicles, if they are Fords.



Getting burnt by gimmick plugs sucks...doesn't it?





Tom

 

[Edward jardanowski]

yes it does i paid over 6.00 a piece for these plugs. but bosch has a money back guarantee if not satified. we will see. edj.:angry:

 

[brandon mena]

What a bummer, that tune-up is a real mofo too. I went with the stock platinums, that and a set of JBA Powercables. She runs like a dream.

 

[Edward jardanowski]

mine runs great to. it was-25below with the wind it started great but the mpg stinks. my jeep grand cherokee with a v-8 and full time 4x4 gets 17 mpg.edj.

 

[user 64972]

The only two times I ever used Bosch Platinums, the cars started running like crap after 5,000 miles. I will never use them again in anything....just my experience. This was two different GM vehicles. I put AC/Delco plugs in and no problems. I think I'll stick with Motorcraft when my '07 needs them.



Good luck, Gary

 

[Edward jardanowski]

does any body know a e- mail adress for bosch i looked up there sight and it wont let me e-mail them. i wonder why? thanks edj.:angry:

 

[Tom Schindler]

Take them back to the store that sold them to you.





Tom

 

[Evan F]

at work we never put Bosch in Fords and only use NGK for imports. Bosch plugs don't compete

 

[Edward jardanowski]

 

[Rodger Tellefson]

Beside the Motocraft plugs, the only others ones that I haven't seen any complaints here are the Denso Iridium plugs.

 

[Ron N]

When I pulled the plugs out of mine I went back with the E-3 spark plugs,I have been very happy with them. I can run my idle down to 580 to 620 and never stumble._Ron

 

[Tom Schindler]

I can run my idle down to 580 to 620 and never stumble.

How can you "lower the RPMs" when the computer controls the engine speed?





Tom

 

[Rodger Tellefson]

Tom, The XCal 2 can adjust engine idle rpms.