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Old 06-15-2015, 12:01 PM   #1
Circuit Motorsports
Former Vendor
Vendor Sales Rating: (150)
 
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Chapter/Region: South East
Location: www.CircuitMotorsports.net
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2005 STi Urban Camo
Orlando, FL

Default >>>>>>>> TGV Delete Port and Polish Services - Cores Available for Fast Shipping!

Subaru TGV Delete Port and Polish Service - Now Available from Circuit Motorsports!

Since a certain company no longer offers their PnP services we have been asked quite a few times by our customers where they can get their TGVs deleted without having to buy expensive billet or cast aftermarket versions. We decided the best thing to do would be to step up and do it ourselves, so Circuit Motorsports is now offering a comprehensive TGV delete service!



What is a TGV? - TGV stands for Tumbler Generator Valve, they are designed to reduce cold idle emissions, that is their only purpose. Once your vehicle is warm the butterfly valves open fully and remain that way for the duration of the drive. TGVs are present in every Subaru from the 2002 WRX to the 2015 STI, so if you own a modern Subaru, you have these in your car!

Why do you want to get rid of them?- The TGVs are very restrictive, the butterfly flapper and support rod take up about 35% of the flow area inside the TGV when open, and much more when closed. There is also a divider wall cast into the TGV which takes up space whether the TGV flapper is open or closed. They also commonly fail on higher mileage cars and when they fail they often fail in the closed position, meaning you have only about 25% of the flow through the TGV housing. A CEL will come on and the car will go inot limp mode until you either delete them, or replace them with new TGVs (very expensive). Lastly, the motors that are mounted to the housing are bulky and will get in the way of upgrading your turbo. Most larger turbos will have a larger inlet area, and this commonly will interfere with the TGV motor location.

It has been reported that gains in the area of 15+ whp/wtq can be expected after the TGV deletes has been done. It has also been reported that third party flowbench tests showing an increase from 330 cfm to 480 cfm! On a typical Stage 2 setup you are going to realize an increase of 5-10tq/5-8hp in the low end, 10-15tq/8-12hp in the mid range, and 5-10tq/5-8hp at the high end. Max gains are typically going to occur in the mid range. These will also have the benefit of giving you a quicker turbo spool up and the gains will only increase as horsepower increases. Bigger turbos mean more flow, which means if you are still trying to push all that air by the stock TGVs you will be losing major horsepower!



What does Circuit Motorsports do to the stock TGV housing? - For the Port and Polish/Delete service we take a stock TGV and completely remove the butterflies, support rod, motors, and the divider wall. We first remove the motors, rod, hardware and butterfly flappers, this removes a lot of the restriction and unnecessary weight. We then Port the divider wall and grind it flush with the rest of the housing. Once that is done we polish the entire interior of the TGV housing to give it a nice even finish. The TGVs are then sandblasted so they look brand new!

Next we drill and tap the support rod hole with an NPT bit. We then seal that hole with a NPT plug with PTFE thread seal tape. To make sure there are no leaks we then fill the gap with a dual compound sealant. The result is a professionally ported and polished TGV housing that will provide maximum flow and horsepower!












Contact us today to get your TGV delete service scheduled or ordered!

Phone - 407-325-2176
Email - [email protected]
Address: 290 Iris Rd Casselberry FL 32707


Circuit Motorsports is a Performance Automotive Shop located in Orlando, FL. We specialize in Subaru performance and tuning.
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Phone 407-325-2176
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Last edited by Circuit Motorsports; 08-15-2017 at 12:18 PM.
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Old 06-15-2015, 03:47 PM   #2
mojo_jojo77777
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How much would you charge to just port and polish and fill holes? I have already took out rods and divider plate, but it would still need to be finished up.
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Old 06-15-2015, 07:37 PM   #3
Circuit Motorsports
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Orlando, FL

Default

Quote:
Originally Posted by mojo_jojo77777 View Post
How much would you charge to just port and polish and fill holes? I have already took out rods and divider plate, but it would still need to be finished up.
The Porting, Polishing, sealing, cleaning and sandblasting take the longest, so it would depend on the shape they are in, but probably around $160-ish (depends on what we have to do though). Message us if you want to send them in to get done!
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Old 06-17-2015, 08:52 PM   #4
Circuit Motorsports
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Join Date: Aug 2009
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Vehicle:
2005 STi Urban Camo
Orlando, FL

Default

We have cores available guys, no downtime, no waiting!
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Old 06-23-2015, 11:23 AM   #5
Circuit Motorsports
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Chapter/Region: South East
Location: www.CircuitMotorsports.net
Vehicle:
2005 STi Urban Camo
Orlando, FL

Default

We are on our 8th set of TGV deletes right now, moving these out!
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 06-30-2015, 07:05 PM   #6
Giggidy
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So is the price 189 plus the 150 core fee? 339? Or is it just the 189 and you get the core fee back?
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Old 07-01-2015, 01:19 PM   #7
Circuit Motorsports
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2005 STi Urban Camo
Orlando, FL

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Quote:
Originally Posted by Giggidy View Post
So is the price 189 plus the 150 core fee? 339? Or is it just the 189 and you get the core fee back?
Correct, the price is $189 for the TGV delete service itself. If you send us your TGV's we will port them for that price, then ship them back to you.

If you don't want to send us your stock TGVs, either to save time or because you can't have the car down, then we would charge an extra $150 core fee, and send you a set of ported TGV's. Then you send in your stock ones once the ported TGVs are installed and you get the core fee refunded back
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 07-10-2015, 03:07 PM   #8
Circuit Motorsports
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Orlando, FL

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Another set being ported today!
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 07-16-2015, 01:10 PM   #9
Circuit Motorsports
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PMs going out!
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 07-17-2015, 10:29 AM   #10
Circuit Motorsports
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PMs sent out!
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Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 07-21-2015, 11:32 AM   #11
Circuit Motorsports
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Default

Bump time!!!!
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Casselberry, FL 32707
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Old 07-24-2015, 12:21 PM   #12
Circuit Motorsports
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Orlando, FL

Default

Friday bumpin'!
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Old 07-27-2015, 05:20 PM   #13
Circuit Motorsports
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Vehicle:
2005 STi Urban Camo
Orlando, FL

Default

Monday bump!!!!!
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 07-30-2015, 03:41 PM   #14
Circuit Motorsports
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2005 STi Urban Camo
Orlando, FL

Default

Bump it up!!!!
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Phone 407-325-2176
Address: 290 Iris Rd
Casselberry, FL 32707
Check Out Our Customer Reviews:
"http://forums.nasioc.com/forums/showthread.php"
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Old 08-31-2015, 04:32 PM   #15
Circuit Motorsports
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Orlando, FL

Default

hit us up! We're still taking orders and want to make sure our tech keeps grinding
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Casselberry, FL 32707
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Old 09-08-2015, 01:37 PM   #16
Circuit Motorsports
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Default

still have a few in stock so delivery is faster!
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Address: 290 Iris Rd
Casselberry, FL 32707
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Old 10-02-2015, 04:14 PM   #17
Circuit Motorsports
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bump!
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Casselberry, FL 32707
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Old 10-07-2015, 02:38 PM   #18
Circuit Motorsports
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Orlando, FL

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got some cores today, thanks ladies and gents
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Old 11-20-2015, 02:58 PM   #19
Circuit Motorsports
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2005 STi Urban Camo
Orlando, FL

Default

UPDATE: At this time we are unable to offer thermal coating. TGV service only.
When placing an order via email and if you're from the forum please include your Forum name.

We apologize for any inconvenience

Abel
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Old 11-30-2015, 10:25 AM   #20
J_wod1
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Are ej205 and 257 Tgv's the same, interchangeable? If any differences what are they? Please and thank you for our time.

Scott
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Old 12-02-2015, 11:01 AM   #21
Circuit Motorsports
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2005 STi Urban Camo
Orlando, FL

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yes you can run the same TGV housings. Just remember to choose the proper side or top feed housings for your specific setup.

- Abel
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Old 12-02-2015, 12:16 PM   #22
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Thank you for getting back to me Abel. The reason I asked is cause I found some grimmspeed deletes on here for a good deal. Could I modify the bracket to work with these Tgv's I'm getting.? I'm an 04 wrx and it looks to me the fuel rail bolt holes won't line up. They're already on their way :/.
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Old 12-02-2015, 03:17 PM   #23
Circuit Motorsports
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Location: www.CircuitMotorsports.net
Vehicle:
2005 STi Urban Camo
Orlando, FL

Default

thanks for the call Jwod1. I hope you get it worked out!
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Casselberry, FL 32707
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Old 01-22-2016, 02:52 PM   #24
Circuit Motorsports
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Chapter/Region: South East
Location: www.CircuitMotorsports.net
Vehicle:
2005 STi Urban Camo
Orlando, FL

Default

who getting ready for mega meet?!
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Old 01-27-2016, 01:24 PM   #25
Circuit Motorsports
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Location: www.CircuitMotorsports.net
Vehicle:
2005 STi Urban Camo
Orlando, FL

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bump it up
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