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Costs of building turbo gs

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Old 09-30-06 | 03:03 PM
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Default Costs of building turbo gs

I was wondering if i could get a range of total costs for a well-tuned gs3 or gs4, just engine performance.
Old 09-30-06 | 03:46 PM
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um.. a custom turbo will run you probably around 7-8k

then you need electronics
manifold
boost controller
tuning
all the other various mod's to help with it like

oil cooler
tranny cooler
new radiator
lsd
torque converter
etc.

looking at about 14k range for a very good turbo set up
Old 10-03-06 | 12:36 AM
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The prices that Kharizma stated are for a GS400/430.

The GS300 is much much cheaper to turbo just beacuse the manifold and most parts are readily available. Many of the parts are shared with the Supra, SC300, and IS300 which are all extensively modified and worked on cars. Because of this, most of the parts are already mass produced so there is not as much custom fabrication to be performed. A very good 350-400whp setup for a GS300 will run you about 6-8k depending on what shop does it.
Old 10-03-06 | 06:17 AM
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Originally Posted by JeffTsai
The prices that Kharizma stated are for a GS400/430.

The GS300 is much much cheaper to turbo just beacuse the manifold and most parts are readily available. Many of the parts are shared with the Supra, SC300, and IS300 which are all extensively modified and worked on cars. Because of this, most of the parts are already mass produced so there is not as much custom fabrication to be performed. A very good 350-400whp setup for a GS300 will run you about 6-8k depending on what shop does it.
That's pretty reasonable. About how much hp can the stock transmission withstand on the GS3? I want to get mine up to about 375-400hp. Is that price for a turbo kit, other parts and installation? Would I be able to turbo my GS without swapping motors or would the swap be cheaper?
Old 10-03-06 | 12:00 PM
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The stock tranny should be able to take about 350-400rwhp if you get a tranny cooler and valve body upgrade. Anything more than those power levels, you're asking for trouble unless you do a complete transmission race build.
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