KNAPPTEK John Knapp Studios
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John as I told you when I called tonight DrSLIDE apparently saved my engine. The DrSLIDE you poured into my oil traveled across the USA in my friend's 1998 Saturn with me this summer. I was in a hurry and forgot to check the oil. There were no negative indicators though. The engine ran cool even in the desert and there was no smoke. But when I g... More
I used Dr. Slide in my 2002 Chevy P.U. and immediately noticed that the motor was running more smoothly and soon after found that my gas mileage had also improved. I definately would recommend my friends to try it. Sally T. Rosemead, Ca
My MITSUBISHI 3000GT(2 door coupe)was written up as a gross polluter. Of course it could not pass SMOG. I tried everything to reduce the emissions. Unfortunatley nothing worked. Then I bumped into John Knapp the director of KNAPPTEK by accident and brought up my problem with passing the emissions test. Well unknown to me the formula was devel... More