Originally Posted by O. L. T.

You wouldn't get away with more. Too much heat. That's why

(a)- the factory needles melt.

(b)- aluminum smd's are not longer built by anyone, including after market.

*voice of experience. Those will probably last about 4 months (maybe 6) since they are only about half the heat. Just can't stuff that many smd's in one spot. Lexus found that out the hard way.