GM High-Tech Performance magazine has an article this month where Joe Borschke, a Troy, MI Tuner, used a Tial 44mm wastegate to limit the boost on a D-1SC equipted 2010 LS3 Camaro. He plumbed the Tial between the D-1SC and the FMIC and reduced the pulley from a 4.75" to a 4.0" and pick up 60+ ft lbs of torque under the curve.

You'll have to pick up a copy to actually read the article but I added some scans below. IMO, GMHTM is the best magazine out there on forced induction LSx motors so you should all be subscribing to it.











Rick

 

Thanks for posting that up, really interesting!

 

I've been waiting to see one of the centrifugal guys do this...

 

Got that issue on the back of the *******.

 

+1 lol

 

That's pretty sweet

 

Not the first time this has been done. Theres a guy over on ls1 tech thats got one on his procharged vette, but its defiantly a cool idea.

 

Subscribed to the magazine a few years back def the best GM magazine out there!

 

Damn and to think if I would have got off my *** I might have been able to be in the mag I still have the damn thing sitting some where

 

I've heard its harder on the blower's transmission. Also been told that a restrictor on the blower inlet is better for this (at lower blower speeds its less of a restriction, and more up top). There is a shop that has one that has opens up differently for different boost levels (like per gear).