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I put in a K&N filter don't notice any more horsepower. Do I just not notice it. is there anyother low cost horsepower tweaks I could do at home for the 4.6.

hey t-bird rebuilder. I got a 95' 4.6 w/100k. I got a wicked spark knock I start to hear at about 2500rpm anything I can do about this besides priumen fuel. how long before I blow a hole in a piston?

I also love my 95' 4.6L 100k. The only tweak I did was to put in a R&N hi-flow cotten air filter, didn't really feel any added performance. I also keep it tuned; use platnuim plugs and only use synth. oil which I highly recommend. I also use 235 60s on the front in the summer so I can corner...

I go through plug wires in about 5k miles (motorcraft). Anyone else have this problem.Is anyone aware of any recalls for the 94-98 4.6 T's. Has anyone found any low cost engine tweaks for the 4.6. much abliged.

i am working on 100k on my 95' 4.6L. I have used only synthetic oil mostly moble one, and change my own oil to counteract the cost of the higher priced synth. oil. Anyway it dosn't burn a once of oil. I atribute this to the synth. oil. I drive it hard too. rock on