Turbos rock!!! (had to tell someone!)
Thread Starter
Registered User
Joined: Feb 2002
Posts: 702
From: Houston, TX USA
Turbos rock!!! (had to tell someone!)
Ok.. had to tell someone, and most all my buds are out of town or at work!!
Homemade turbo system finally shows a glimmer of potential!!
I finally got off my duff and put some working wastegate actuators on the turbos, and rerouted all the vacuum lines back to the intake to get a more accurate reading on the boost.
Result? 12.4 psi at 4500 rpm, and rock solid past that. I can also now hear the BOV when I get off the gas, and it is LOUD!!!
Oh, and the 31 x 16.5 Hoosiers broke loose hitting second, very cool!!!
Sideways even...
All this, and I still have one turbo with tight bearings that I don't think is helping much, and a 4500 stall in it, that will be getting changed out this weekend to a 3400. Hopefully I can lower the boost a touch, I think 12 is a bit much for the ol' LT1, even intercooled. I'll pull a couple plugs when it cools down.
Ambient air temp 92, engine temp after all the abuse, 184.. so far so good!!
Now to get that turbo rebuilt, and the piping/headers coated, and some fuel curve tuning (55 psi on the guage, via Aeromotive regulator).. it never ends
But it ROCKS!!!!!!!!!!!
Homemade turbo system finally shows a glimmer of potential!!
I finally got off my duff and put some working wastegate actuators on the turbos, and rerouted all the vacuum lines back to the intake to get a more accurate reading on the boost.
Result? 12.4 psi at 4500 rpm, and rock solid past that. I can also now hear the BOV when I get off the gas, and it is LOUD!!!
Oh, and the 31 x 16.5 Hoosiers broke loose hitting second, very cool!!!
Sideways even...All this, and I still have one turbo with tight bearings that I don't think is helping much, and a 4500 stall in it, that will be getting changed out this weekend to a 3400. Hopefully I can lower the boost a touch, I think 12 is a bit much for the ol' LT1, even intercooled. I'll pull a couple plugs when it cools down.
Ambient air temp 92, engine temp after all the abuse, 184.. so far so good!!
Now to get that turbo rebuilt, and the piping/headers coated, and some fuel curve tuning (55 psi on the guage, via Aeromotive regulator).. it never ends
But it ROCKS!!!!!!!!!!!
Thread Starter
Registered User
Joined: Feb 2002
Posts: 702
From: Houston, TX USA
Still have a ways to go to get it ready for cruisin' or dyno, or track.. I am finishing up installing the new converter, and blocking the PCV valve (wow! Lots of oil outta breathers... boost is kewl
)
I'll spend the next few days getting a little better tune on the DFI, and then rip it all apart to send the headers and pipes out for coating.. then we'll talk about dyno's!
Feels a wee-bit stronger than the 100 shot that used to be on it... may have to reinstall that too!
)I'll spend the next few days getting a little better tune on the DFI, and then rip it all apart to send the headers and pipes out for coating.. then we'll talk about dyno's!
Feels a wee-bit stronger than the 100 shot that used to be on it... may have to reinstall that too!
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