Tip: add energy aka Suzuki Suzuki ST20 Tronthong

To add energy to your old car, especially ST20 Tronthong, you can replace your spark plugs Tronthong car with four-stroke spark plugs drat (length)

But you should remove the first half of the / (1. / 2) drat spark plug for it so easy when times spark plug is disposed of, this experiment did not eat a lot of cost and very easy, but your energy Suzuki ST20/Tronthong increased strength,

If you want to force more powerful Suzuki ST20/Tronthong again, you can replace the sparkplug Suzuki ST 20th / Tronthong your long and sender drat sparkplug disposed cop, then weld the hole closed with Spark Plugs alumunium.dan added thickness, thickness approximately equal to the length drat sparkplug who dratnya long, then make the same long drat drat such a long spark plug, but this kind of thing that will eat the cost of a fairly good luck.