Getting
straight to the point, we are offering a turbo upgrade kit for the
SRT-4 utilizing the advanced series of Turbonetics GTK turbochargers,
as well as the rest of the Turbonetics line up. This kit will include
our Treadstone cast turbo manifold
which carries a lifetime warranty against cracking, any Turbonetics
turbo, from standard bearing to GTK, Turbonetics wastegate, 304
stainless downpipe with open wastegate dump tube, gaskets, oil lines,
and fittings.
The O2 housing features a 2.5" outlet which
tapers out to 3" for reduced turbo back pressure. The dump tube is a
1.5" pipe which is dumps to atmosphere, this increases wastegate
efficiency as well as turbo efficiency by reducing turbine back
pressure in the o2 housing. We chose to leave the dump tube open to
atmosphere instead of plumbing it into the o2 housing, because this
will eliminate any chance of boost spikes in the system. If you do not
like the sound of an open dump tube, the best choice is to plumb the
end of the dump tube into the 3" test pipe or cat pipe, far down from
the o2 housing. We can provide you with a stainless 1.5" 45 degree pipe
that can be welded to you exhaust system to close up the open dump.
Turbo options
The kit will be offered with various turbonetics turbo from your
standard bearing, to ball bearing and GTK. More info on GTK turbos can
be found hereGTK Turbochargers
TRE502 50 trim
This will be the choice turbo for all of you auto cross time attack
guys. This is your basic 50 trim but with a smaller stage 2 turbine
wheel compared to the popular stage 3 which is the base turbo that we
recommend for all around performance. The TRE502 being that it has a
smaller turbine wheel will give almost instantaneous spool up, ideal
for coming out of those tight corners. The neck snapping torque
produced by this turbo is what makes it ideal for road racing. This
turbo supports up to 400whp max, and is comparable to a GTK 325.
TRE503 50 trim
The base kit will be a 50 trim non ball bearing turbo with stage 3 .63
A/R exhaust. This is one of the most popular turbos for the SRT-4 , and
is the base turbo used in many of our turbo kits supporting 47lbs/min.
On the SRT-4 this is an excellent choice for great spool up and a
massive torque curve. Those of you who want to break the 400whp mark,
this is the turbo for you!
TRE603 60 trim The 60 trim
would be the choice for someone wanting to come close to the 500hp
mark. Compared to the 50 trim, the spool up will be 200-300 later
making less torque down low, but allowing approx 30-40 more Hp on the
top end. This turbo has similar specs to a GTK450 and supports 50
lbs/min.
TRE601h 60-1 trim The 60-1 trim has a larger
compressor inducer diameter, still utilizing a .63 stage 3 turbine as
the 50 and 60 trim, the 60-1 will allow for 500-530whp. The GTK500
would be a comparable turbo.
TRE61 T61 trimThis is a T61 compressor wheel with stage 5 .63 turbine. This turbo has similar specs to a GTK550 and can support 600whp.
TRE66 T66 trim Slightly larger compressor wheel than the TRE61, capable of 660whp.
Kit will include
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Treadstone Cast Manifold
Treadstone 304 Stainless Downpipe
Turbonetics Turbocharger
Turbonetics Evolution Wastegtae
All gaskets, hardware, oil feed and return lines for installation
Heat Shield Upgrade
Show quality stainless heat shield also available as an upgrade. This
will not only look good in the engine bay, but is fully functional
shielding the firewall and components from the hot turbine gases. Click Here for more info.
Turbonetics BOV Upgrade We also carry a great blow off valve upgrade from turbonetics, for more info Click Here
GTK550 shown in pics below
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