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Burger · Post by **Burger** » Sun Jun 19, 2005 12:54 pm

Is there anyone out there using these plugs?I'm curious about how they perform in our cars.Oh yeah,i'm also looking for the number for the correct heat range.

Sporttunergtv6 · Post by **Sporttunergtv6** » Sun Jun 19, 2005 9:17 pm

i am using them on both my cars. they definately changed something. i went from bosch 1's to the bosch 4's and car ran noticeably different. afterwards i played with the timing advance and the the air fuel ratio via spring tension and the cars reallly ran well.

John in Denver · Post by **John in Denver** » Mon Jun 20, 2005 6:17 am

I've been using them for some time on my '83 and have had no trouble with them.... they work very well. When I bought them, the shop had a compatability list.

Burger · Post by **Burger** » Mon Jun 20, 2005 5:49 pm

Thanx,I've been told that the 1's foul easily,but I would only run 4's or Goldens anyway.The bosch 4's are $10CAN each though,but,what are ya gonna do?

Bosch platinum 4