Wastegate regulator recommendations

[Cknox121]

According to the Tial website I can pick any of the 3 lower ports. So one will go from LP turbo to regulator to lower port. Block lower ports that arnt used and leave the top ports open. As for the second wastegate, should I use the same boost port on the LP turbo? Just t the line and run 2 boost lines to the 2 regulators then to the gates?


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[Motostroker]

According to the Tial website I can pick any of the 3 lower ports. So one will go from LP turbo to regulator to lower port. Block lower ports that arnt used and leave the top ports open. As for the second wastegate, should I use the same boost port on the LP turbo? Just t the line and run 2 boost lines to the 2 regulators then to the gates?


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I'll show you, you need to t into total boost for the total drive psi gate


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[Morgan@Midwest Diesel & Auto]

You can do it this way. But honestly unless using a low psi setup like a gas engine, you do not need to use the bottom port on the gate at all. There is more than enough drive pressure opening the gate. You don't need manifold pressure to help. Just run the regulated pressure to the top and leave the bottom open to the atmosphere. The spring will hold the gate closed until the ebp pushes it open. And if it opens too early just add regulated pressure to the top to hold it closed until desired ebp/boost is achieved.


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[Motostroker]

You can do it this way. But honestly unless using a low psi setup like a gas engine, you do not need to use the bottom port on the gate at all. There is more than enough drive pressure opening the gate. You don't need manifold pressure to help. Just run the regulated pressure to the top and leave the bottom open to the atmosphere. The spring will hold the gate closed until the ebp pushes it open. And if it opens too early just add regulated pressure to the top to hold it closed until desired ebp/boost is achieved.


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You the man


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[Cknox121]

You can do it this way. But honestly unless using a low psi setup like a gas engine, you do not need to use the bottom port on the gate at all. There is more than enough drive pressure opening the gate. You don't need manifold pressure to help. Just run the regulated pressure to the top and leave the bottom open to the atmosphere. The spring will hold the gate closed until the ebp pushes it open. And if it opens too early just add regulated pressure to the top to hold it closed until desired ebp/boost is achieved.


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Sweet. Thanks bud!

So I can just come off lp turbo, t the boost tube and run to both regulators, then each regulator will go to the Top port on the wastegates.

In theory I should be able to make one regulator open the middle gate to help spool lp turbo and then have higher pressure on other regulator to open the gate that releases total bp.

Should I put the bottom ports? Or leave them open?


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[Morgan@Midwest Diesel & Auto]

Sweet. Thanks bud!

So I can just come off lp turbo, t the boost tube and run to both regulators, then each regulator will go to the Top port on the wastegates.

In theory I should be able to make one regulator open the middle gate to help spool lp turbo and then have higher pressure on other regulator to open the gate that releases total bp.

Should I put the bottom ports? Or leave them open?


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You need to use manifold pressure, not LP boost. I usually pull it out of the hot pipe.

T the boost line to feed each regulator and then run the individual regulators line out to their respective wastegate top port.

Leave one bottom port open on each gate to vent.

You need to get enough spring in each gate to be able to make about 2/3 desired boost without adding any air pressure. Then use the air pressure regulator to add more boost from there.

We usually set the hp to make 30 psi on spring alone and the atmo to make 30-35 as well. Then add more air from the regulators to reach say 35-40 on the hp and 40-45 on the atmo. That is if you want to drive them that hard.


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[Cknox121]

You need to use manifold pressure, not LP boost. I usually pull it out of the hot pipe.

T the boost line to feed each regulator and then run the individual regulators line out to their respective wastegate top port.

Leave one bottom port open on each gate to vent.

You need to get enough spring in each gate to be able to make about 2/3 desired boost without adding any air pressure. Then use the air pressure regulator to add more boost from there.

We usually set the hp to make 30 psi on spring alone and the atmo to make 30-35 as well. Then add more air from the regulators to reach say 35-40 on the hp and 40-45 on the atmo. That is if you want to drive them that hard.


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Gotcha. Thanks for clearing that up. Im sure you will be getting a call after I get it running. I do not know what springs are in the wastegates. Any way to tell what pound spring is in the gate?

 

[sootie]

hook it up to shop air and see how many psi it takes to open

 

[Morgan@Midwest Diesel & Auto]

I alway start with the biggest single spring in the tial mvr 44 kit and go from there.

 

[Cknox121]

hook it up to shop air and see how many psi it takes to open

Great idea!

I alway start with the biggest single spring in the tial mvr 44 kit and go from there.

Hope that's what's in them. Don't have any extra.


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