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My GS300 Turbo

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Old 07-24-07, 07:04 PM
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qphoton
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Default Yes, it is so hard! I looking all parts from USA by Internet.

Originally Posted by cliffud;
awesome man! welcome to the boards. Is it pretty easy to find parts in Russia?
Yes, it is so hard! I looking all parts from USA by Internet.
Old 07-24-07, 07:09 PM
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qphoton
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Originally Posted by SUPRA OWNER;
compression? What are you using to control the ECU?
I've stock compression w/o change gasket with stock internals. Only HKS timing belt.

MAP-ECU used over stock ECU.
Old 07-24-07, 07:17 PM
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Originally Posted by veritek;
Hey qphoton, just curious, but where did you initially have the work done on your car? My tuner/mechanic used my car to re-create the turbo set up he put in my car, for a customer in Russia, and I'm wondering if you are that customer? Small world if it was, heheh.
May be. Turbo kit was prepared in Mahdavi Motorsports (GA, USA) by Sam Mahdavi. I only add engine/tranny oil cooler for hard russian weather conditions. Also most air and exhaust pipes was remaked.
Old 07-24-07, 07:19 PM
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Originally Posted by JeffTsai;
Correct me if I'm wrong but it looks like he's using a MAP-ECU just like I am. His website says he's using a SAFC but in the engine picture there's clearly a MAPECU(red box) in there. As for compression, I'm pretty sure he at least installed a thicker headgasket to accomodate for more boost. It would require some hardcore tuning and good standalone engine management system to run anywhere close to 350rwhp on stock compression.
SAFC unused. I tried to use it before turbo setup.
Old 07-24-07, 09:22 PM
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WELCOME qphoton
Old 07-25-07, 01:19 AM
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Thanks, guys.

My next steps:
1. Repair of main brake cil.
2. Shadowing of windows.
3. 19" light weight rims
4. Front big brake kit (BREMBO or ROTORA).

Last edited by qphoton; 07-25-07 at 01:24 AM.
Old 07-25-07, 04:39 AM
  #22  
veritek
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Originally Posted by qphoton
May be. Turbo kit was prepared in Mahdavi Motorsports (GA, USA) by Sam Mahdavi. I only add engine/tranny oil cooler for hard russian weather conditions. Also most air and exhaust pipes was remaked.
Wow, that's awesome. Yeah, Sam @ Mahdavi did my NA-T build. He asked if he could borrow my car for a bit to replicate the kit for a customer in Russia. Well, good to hear your car is up and running. Keep us updated on the progress of your car, and welcome to Club Lexus!!!!!
Old 07-25-07, 07:45 AM
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Default Yeah, I saw the Map ECU I just wanted him to verify it because I was also confused.

According to my research we are good up to 10psi on stock compression with a good tune. I know we were told not to go over 7 or 8 psi with out a Head gasket change but for some reason we are able to push it a little more on the GS300. I wouldn't do it but I have seen it done, and the car was very responsive.
Later, Jose

Originally Posted by JeffTsai
Correct me if I'm wrong but it looks like he's using a MAP-ECU just like I am. His website says he's using a SAFC but in the engine picture there's clearly a MAPECU(red box) in there. As for compression, I'm pretty sure he at least installed a thicker headgasket to accomodate for more boost. It would require some hardcore tuning and good standalone engine management system to run anywhere close to 350rwhp on stock compression.
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