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  1. S

    Motorvator and 70mm TB

    i wound get the TB spacers, it says it will add turbulance to the air which is better, but by the time the air gets the heads it will not have the same turbulance, so it really wouldn't help any. the 70mm TB will help, but if there are no serious engine mods its not gunna help to much -umesh
  2. S

    when porting and polishing heads and intake??

    i posted this at other forums, so i can get different views and opinions from alot different people, because the more information i can get the better it is for me so i dont end up screwing up and making a costly mistake. i plan on buying a set of 1.8 roller rockers soon and placed and order...