95 Z28 TT 5.3 true street. build
#43
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Here is a link to my build. I have a pic of how I did my Kurt urban kit. I need to update my thread since the car is done just waiting on tuning.
https://ls1tech.com/forums/showthrea...hlight=378+lsx
https://ls1tech.com/forums/showthrea...hlight=378+lsx
#47
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Alot of nice parts going into the build. Just a heads up, I had my twin 70s on a 317 headed 5.3 with a TU2, and any time I tried for more than 19lbs of boost the turbos seemed to hit compressor surge after the drop in RPMs from a shift. If I rode it out, once back above 6800 it would clean up and make boost again to 22-23lbs, shift, and same issue. I tried re springing the wastegates into coil bind, and also coil bind on the bovs to rule those out. On the larger motor I have no issue.
Hopefully you dont have the same issue.
A quick line on the compressor map showed the 5.3 to be very close to the surge line
Hopefully you dont have the same issue.
A quick line on the compressor map showed the 5.3 to be very close to the surge line
![](http://img.photobucket.com/albums/v292/MaxxMitchell/53twinT70closetosurgeline.png)
Last edited by MaxxMitchell; 08-22-2012 at 12:25 PM.
#50
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That may make all the difference. Mine was too low of compression with stock heads. I posted so in case you have an issue, you have one more idea to work with. There are a few others running a similar set up with no issues reported, but I haven't seen many push to boost up over 20lbs.
#52
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Finally on leave, plenty of time to get stuff done! Got the motor and trans in, need to either make or buy a trans crossmember for the car since the 90-02 trans crossmembers are in a different location as the 93-97. I got the driver side hot side done along with the intercooler mounts, still need to weld the flange on for the wastegate dump, and do the down pipe but called it a night. The tubing/lines for the KUP showed up, so I'll be working on doing that as well.
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#56
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Got the passenger hot side done. Wish I could have made the turbos sit symmetrically but i didnt want to run into the headache of trying to figure out a way to get the radiator hoses to get routed, so one will sit a little higher and closer to the engine. Its not a show car so function over form was the way to go. Converted manual rack is awesome, really cleans up tings while retaining all the stock steering and mounting.
![](http://i1160.photobucket.com/albums/q487/Juiced95Z/DSC00303.jpg)
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