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Old 09-12-2013, 05:50 PM   #438
Full-Race Geoff
Scooby Specialist
Member#: 133386
Join Date: Nov 2006
Chapter/Region: Tri-State
Location: AZ/NJ
13 F150


hey everybody - I dont know who follows our Full-Race Motorsports facebook page - If you'd like to see Full-Race, we will be at Subiefest 2013 - being held Saturday September 14th at Auto Club Speedway (AAA Speedway) in Fontana, CA. This year is going to be the biggest and best Subaru event to date! We will have our stock location EFR kits, twinscroll rotated kits and other legendary Subaru Impreza STI products on hand as well as the EFR turbos on display 8374 twinscroll, 7670 twinscroll, 6758 stock location and all of our turbo manifolds as well. 7163 details will be announced from BW next week, but we may have some info to share this weekend. Sorry to say I wont be able to make it (got really sick) but Jon and Jeremy will be there holding things down with our Freakoboost F150 !

Originally Posted by NA STI View Post
Im confused thoe, they used to show the efr6758 being a 49 lb/min turbo, but now on matchbot it shows it as a 53 lb/min turbo. Did they change the design of the wheel and make a new version (like they did with the 7163) or is it still the same old turbo and they just changed the flow rating?
Yes, the map changed for the 67mm compressor in MatchBot, but no hardware change was made to the compressor or turbo. The increased flow rating is simply due to BW running up to the fifth speed line and getting actual data up there ... before, that region was estimated. With running the higher speed and full flow (choke) points, they were able to produce a more representative comp map.

Originally Posted by RobSTI89 View Post
I am in break in right now hit about 5-8psi but I swear it spools as fast as stock turbo. I got full build 272 cams and I am doing a race gas map so we shall see how far we can push it. Tune will be on a mustang dyno too.

Looking forward to your results how did the install go?

Originally Posted by discopotato03 View Post
Geoff I hope BW plans to have big stocks of these 7163s because the punters are champing at the bit .
Full-Race will have the EFR 7163's first and we do have a decent amount due to arrive. Anybody interested, the reservation list is the best way to ensure that you will get one of these, there is no cost to be on the list of course.
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