hello hesky, i so your post on the sts site.
i hade contact jp about it and they did not reply to me jet.
i have orderd the new long mainfold from jp to see if this works better.
i had no time to test it jet,i have a club race next weekend then i wil test it,
and i have 4 weeks hollyday now jes, time plenty to test it.
i wil keep you informt,how it went.