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08-13-2010 06:02 PM #1
2007 Turbo Cobalt SS: Tial wastegate install & 38mm dumptube fab
Customer came in with an old Turbonetics Deltagate and a terrible dumptube. The original dumptube was positioned directly at the head/block mating surface, which in time would cause serious damage ! The car was also having boost issues prior swapping out the gate.
Without a good dumptube the turbo was inhaling expelled exhaust gases and the car would not make power !
Some pics....
old gate:

old dumptube:

new gate:

mani with gate removed:

start of the new dump:

a little futher along:

installed/weld pic:




ground clearance:

dyno graph comparison with exhaust gases being properly evacuated !
ALMOST 50WHP!
Last edited by NeKe1point0; 08-13-2010 at 10:21 PM.

Proven Power LLC
8602 Temple Terrace Hwy C14
Temple Terrace FL 33637
813-988-DYNO(3966)
www.ProvenPowerTampa.com
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