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Where did you get the rear lower bumper valance with GT3 cut out?
Old 11-09-2018, 05:51 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #61 (permalink)
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Without vacuum on the valves are they in the open position? If so you could simply plum intake vacuum to the valves from the intake plenum. If you do this it should close the valves at idle and light cruise loads, this will keep things nice and quite. But once the throttle cracks open a bit like 50% or more the intake will loose vacuum and the valves would open.

Cheap enough to try? I have a customer that built this setup and runs it of intake vacuum as described above.
https://forums.pelicanparts.com/porsche-911-technical-forum/915427-84-89-911-exhaust-proven-results.html

Love the muffler, great job!

Enjoy.
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Sal
1984 911 Carrera Cab M491 (Factory Wide Body)
1975 911S Targa (SOLD)
1964 356SC (SOLD)
1987 Ford Mustang LX 5.0 Convertible
Old 11-09-2018, 06:40 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #62 (permalink)
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Valence

Quote:
Originally Posted by 911 SLANT View Post
Where did you get the rear lower bumper valance with GT3 cut out?
They are steel. And are made using 2 valances. Here is a link to a recent thread on the subject:

Rear valence without exhaust cutouts
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'74 911, Steel Wide Body Hotrod, 3.0, Jenvey ITBs, AEM Infinity
Old 11-09-2018, 08:37 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #63 (permalink)
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Quote:
Originally Posted by famoroso View Post
Love this! I would very much like to hear it.

I'm not wild about some of the machinations / compromises associated with the B&B headers, but my sense is that they perform the best for this application. Although, I am curious how M&K headers would do. The 3.2 specific Eisenmann SSIs are interesting, but I don't think the system added much power.

PLMK if you make it down SoCal way. I'll let you know if I make it up to Monterey. Perhaps I can buy you a beer. Planning to be up there for Thanksgiving, including the Laguna Seca Turkey trot.
Sounds great! PM me and let me know.

Andy
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'74 911, Steel Wide Body Hotrod, 3.0, Jenvey ITBs, AEM Infinity
Old 11-09-2018, 08:41 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #64 (permalink)
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Quote:
Originally Posted by scarceller View Post
Without vacuum on the valves are they in the open position? If so you could simply plum intake vacuum to the valves from the intake plenum. If you do this it should close the valves at idle and light cruise loads, this will keep things nice and quite. But once the throttle cracks open a bit like 50% or more the intake will loose vacuum and the valves would open.

Cheap enough to try? I have a customer that built this setup and runs it of intake vacuum as described above.
https://forums.pelicanparts.com/porsche-911-technical-forum/915427-84-89-911-exhaust-proven-results.html

Love the muffler, great job!

Enjoy.
Hi Sal,
Read the thread. Interesting build. A lot of creative people on this forum. If I do decide to use valves Ill go electric as the ECU can accommodate it. All settings can easily be altered as to desired effect.

Andy
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'74 911, Steel Wide Body Hotrod, 3.0, Jenvey ITBs, AEM Infinity
Old 11-09-2018, 08:48 PM
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Quote:
Originally Posted by acme911 View Post
Hi, Center muffler off a 2014 GT3.
Looks fantastic! Great job on the car.....everything is finished so nicely!
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Old 11-10-2018, 09:59 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #66 (permalink)
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Quote:
Originally Posted by billydeakins View Post
Looks fantastic! Great job on the car.....everything is finished so nicely!
Thanks, Im working on KW V3 based suspension and upgrading brakes now. Will post when done.
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Old 11-10-2018, 11:32 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #67 (permalink)
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Quote:
Originally Posted by acme911 View Post
Thanks, Im working on KW V3 based suspension and upgrading brakes now. Will post when done.
I've done both on mine too.....KW V3 shocks and Brembo GT kit. Money well spent IMO.
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Old 11-11-2018, 05:12 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #68 (permalink)
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Beautiful build. Congrats


Sent from my iPhone using Tapatalk
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Rob
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88 911 Carrera Coupe (SE)
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Old 11-11-2018, 05:42 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #69 (permalink)
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