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ST74 doing some light work on a 3.8L

Old 04-05-2008, 06:29 PM
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Talking ST74 doing some light work on a 3.8L

https://ls1tech.com/forums/texas-members/896561-614-rwhp-my-little-v6-picture-short-video-inside.html

just getting started. Need bigger injectors and swap valve springs. We plan on turning it up to 30 psi..

I love the sound of these turbos.
Old 04-05-2008, 07:38 PM
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That's awesome man... I'm giving you an A+

What are you mods so far? I'd be interested in hearing what you've done to make that little sucker hold up to the punishment.
Old 04-05-2008, 08:02 PM
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what valve springs are pat running now???

Also, when he gets the new ones, I call first dibs on the current ones....need to upgrade my stock valve springs to run more boost safetly...

was this dyno with methanol?? or is he just on all boost.
Old 04-05-2008, 10:15 PM
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Not too shabby at all, expecially for a V6!
Old 04-05-2008, 11:30 PM
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All boost. Very impressive as usual. 30 psi in the future sounds fun.
Old 04-06-2008, 09:51 AM
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no meth.. all boost.
Old 04-06-2008, 10:00 AM
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Originally Posted by Tiago
https://ls1tech.com/forums/showthread.php?t=896561

just getting started. Need bigger injectors and swap valve springs. We plan on turning it up to 30 psi..

I love the sound of these turbos.
Who makes the turbo kit (FFF???)
Old 04-06-2008, 10:09 AM
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I did.
Old 04-06-2008, 11:49 AM
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Originally Posted by kidcamaro98
what valve springs are pat running now???

Also, when he gets the new ones, I call first dibs on the current ones....need to upgrade my stock valve springs to run more boost safetly...

was this dyno with methanol?? or is he just on all boost.
Running Comp 918's now. I have some 150LB manley spings sitting on the workbench now. Dan already PMed about getting the 918's already, sorry.

All boost no meth.
Old 04-06-2008, 09:36 PM
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Thats bad *** guys.

Tiago,

PM me brother... Im wanting the run down on the V6 turbo setup LOL

Whats she get milage wise around town??

Is it still as much $$ to forge or 3.8L as it is to build an LSx??

Kyle
Old 04-07-2008, 09:00 PM
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Kyle,

Unfortunately it is almost the same $, at least a 346 setup that is, unless you use a L67 build which is very cheap, should hold 500 rw no problem..

This particular car gets ~15 MPG lol but on a stockish setup it is almost stock.
Old 04-08-2008, 06:17 PM
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Tiago, glad you like the ST74.....its a beast and spools nicely.


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