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Old 01-29-2013, 02:07 AM   #306
Full-Race Geoff
Scooby Specialist
 
Member#: 133386
Join Date: Nov 2006
Chapter/Region: Tri-State
Location: AZ/NJ
Vehicle:
13 F150
ecoboost

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Quote:
Originally Posted by K1WRC View Post
Is full race going to come out with a two bolt header to mate up to this? From reading above that's what it sounds like and discontinue the 1.5 scroll one they currently make
correct, we are releasing a new 2-bolt header for the current crop of bolton up pipes and of course this stock location EFR turbo kit. Paul at Yimisport did some preliminary testing and we're just about ready to put photos online, a few more final tweaks

Quote:
Originally Posted by Concillian View Post
I thought I was going to have to cut and grind this stud that's like 3/8ths too tall, but I calmed down a lot when I realized I could just put it in backwards and there was enough thread. Not full thread on the nut, but enough. It would have been nice to have some indication of this beforehand, but it wasn't too difficult to figure out.
correct - i will ask the webguy to make a note of this. Also two more small things you will want to be aware of:
a) coolant line orientation (inlet on bottom, outlet on opposite side top)
b) the oil drain/turbo clocking position will be dictated by the wastegate bracket! (only one position where it is truly "happy" which you may have already found out)
c) lastly -great to see you applied antiseize to the threads (for good measure its also a good idea to apply to all vbands/threads/nuts also)

Quote:
Originally Posted by Concillian View Post
The top of the nut isn't flat, as a form of thread locking, the raised portion rubbed on the housing. I thought I was cross threading at first, but it cleared and would just give a tiny bite every 1/2 turn. Clearance is tight on all the nuts, but that one is the tightest as the WG path "cuts the corner. It definitely makes for a really smooth WG path. I never really looked too carefully at the WG path on the VF turbos, but when I saw the EFR, I compared the WG path to the other turbos I had lying around... yeah, no wonder people have boost creep issues with the stock turbo...
correct- the EFR's aerodynamic wastegate port gains power by massively reducing turbulence at the turbine wheel's exit. Our inconel locking hardware is tall due to the locking portion of the threads (and not cheap) but the advantage is you'll never worry about them coming loose
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