xr6thsveta Donating Members 100 Member For: 12y 11m 24d Gender: Male Location: Palmerston North. New Zealand Posted 14/04/14 10:03 AM Share Posted 14/04/14 10:03 AM (edited) Hi, I know it's an old post but I'm interested in porting my turbo at some stage.When you say a good port job will help control boost if you have a "free flowing intake and exhaust" how much will it actually control,for instance- will it control a tune at 6psi with standard actuator (3-4psi) or is this asking too much of itor is this more for trying to control overboost above say-12 to 15psi because everything is so free flowingSorry if this is a stupid question but just trying to understand it Cheers Edited 14/04/14 10:05 AM by xr6thsveta Link to comment https://www.fordxr6turbo.com/forum/topic/87880-3-inch-exhaust-and-no-cat-will-i-get-turbo-overspeed-issues/page/2/#findComment-1465423 Share on other sites More sharing options...
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