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Post by Dwight on Apr 9, 2016 21:43:47 GMT -5
I am running a 408 LS with LS3 heads 12.5 compression on E-85 . Currently using TR6 plugs that are extended tip . Just wondering what other racers are using . Car is running 6.02 3000lb Regal
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Post by windsor on Apr 28, 2016 20:15:17 GMT -5
I am running a 408 LS with LS3 heads 12.5 compression on E-85 . Currently using TR6 plugs that are extended tip . Just wondering what other racers are using . Car is running 6.02 3000lb Regal I was told that non projected tip 7's are the ticket for just about everything. Well guess what my car runs better with projected tip 6's and the plugs stay cleaner. I have a little different combination, It's a street strip 408 ford motor with 12.5 comp but I would say 6's are fine for your combo. As with everything, you just have to experiment. My car starts easier (especially in cold weather) and runs better with the 6's. Oh yeah not a lot of help on this board but it has some good information. Good luck!
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twistedz
New Member
Nightmare on your street
Posts: 3 
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Post by twistedz on Jun 3, 2016 22:54:22 GMT -5
I would start with NGK BR7EF stock #3346 Plugs. Go from there in the BR?EF series. i just had a good friend fighting a miss under boost. He had been doing this for two years. 8psi was fine but any more it would miss. A lot of time and money went into fixing it. In the end I talked him into a set of those plugs and it started making boost and power it never had before I have 40 in stock at the shop  |
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