ST4 Drop Cam Heads

Discussion in 'Technical Help' started by Imola, Jul 4, 2012.

  1. Do the ST4 drop cam heads really have poor performance against a 916 head ?
     
    #1 Imola, Jul 4, 2012
  2. I dont think so
    I think its more the drop cam heads do not have as much potential for improvement as the 916 heads
    st4s managed 116 bhp with them off the production line
    Steve B
     
    #2 duc904red, Jul 5, 2012
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