Wastegates for GT3076R

Kaiser370z · 09-20-2019, 06:28 AM

Hi guys,

Recently I bought a used GTM/Gamma stage 2 twin turbo kit with GARRETT GT3076R turbos
Anyway, the missing parts in that kit are the wastegates
Even their's pipes aren't there
So I have two choices:

First, to buy a couple of Tial F41 wastegates and fabricate a pipe for it.

Second, to buy an internal wastegates with their sprockets which is easier and cheaper

Keep in mind that I am looking for 1 bar boost

I really need your help regarding this. What should I do?

BR

Martijn_b · 09-20-2019, 06:28 AM

External everyday. It makes boost control life so much easier..

Ps 14-15 psi on stock block?

Sent from my SM-G973F using Tapatalk

Kaiser370z · 09-20-2019, 06:35 AM

Quote:

Originally Posted by Martijn_b

External everyday. It makes boost control life so much easier..

Ps 14-15 psi on stock block?

Sent from my SM-G973F using Tapatalk

No I ordered all engine parts from Z1 Motorsports and I am waiting for them to arrive
So the engine is built

Chuck33079 · 09-20-2019, 07:04 AM

An external wastegate is an engineer's choice. An internal wastegate is an accountant's choice.

Spooler · 09-20-2019, 10:52 AM

Go external. Internal are a pain in the butt due to boost creap issues.

Jayhovah · 09-20-2019, 01:33 PM

Quote:

Originally Posted by Chuck33079

An external wastegate is an engineer's choice. An internal wastegate is an accountant's choice.

THIS. I have internals and have boost creep.... you turbos are bigger and you want to run all the way to 1 bar so it probably will not be a problem, but you will have a lot more flexibility in boost control if you go with the externals.

Kaiser370z · 09-21-2019, 09:54 AM

Thanks guys
I think I will go with external wastegates
I already ordered a pair of Tial wastegates

09-20-2019, 06:28 AM	#1 (permalink)
Kaiser370z Base Member Join Date: Oct 2011 Location: Saudi Arabia Posts: 49 Drives: Varis 370z 7AT Rep Power: 14	Wastegates for GT3076R Hi guys, Recently I bought a used GTM/Gamma stage 2 twin turbo kit with GARRETT GT3076R turbos Anyway, the missing parts in that kit are the wastegates Even their's pipes aren't there So I have two choices: First, to buy a couple of Tial F41 wastegates and fabricate a pipe for it. Second, to buy an internal wastegates with their sprockets which is easier and cheaper Keep in mind that I am looking for 1 bar boost I really need your help regarding this. What should I do? BR __________________ **Varis/Rays/aam/Berk/ARK/upRev/RSR/EVO-R/3M***/

09-20-2019, 06:28 AM	#2 (permalink)
Martijn_b Enthusiast Member Join Date: Jan 2018 Location: Netherlands Posts: 280 Drives: 2010 370z MB 6MT Rep Power: 3786	External everyday. It makes boost control life so much easier.. Ps 14-15 psi on stock block? Sent from my SM-G973F using Tapatalk Chuck33079 likes this. __________________ Instagram: Boosted_Fairlady

09-20-2019, 07:04 AM	#4 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	An external wastegate is an engineer's choice. An internal wastegate is an accountant's choice. Kaiser370z, Jayhovah, tippZ and 1 others like this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

09-21-2019, 09:54 AM	#7 (permalink)
Kaiser370z Base Member Join Date: Oct 2011 Location: Saudi Arabia Posts: 49 Drives: Varis 370z 7AT Rep Power: 14	Thanks guys I think I will go with external wastegates I already ordered a pair of Tial wastegates __________________ **Varis/Rays/aam/Berk/ARK/upRev/RSR/EVO-R/3M***/

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09-20-2019, 10:52 AM	#5 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,834 Drives: 2013 Nismo 370z Rep Power: 2684392	Go external. Internal are a pain in the butt due to boost creap issues.