Gaz Walker Posted October 23, 2002 Share Posted October 23, 2002 With suitable air/fuel what is the max boost that can be run on the stock turbos? Cos I have been offered a upgrade for next to nothing on my turbos, which would really be worth doing... What suggested bits should I replace? The guy was saying he can do an RS200 spec turbo for £200 as an example. Regards Gaz. Quote Link to comment Share on other sites More sharing options...
GavinL Posted October 23, 2002 Share Posted October 23, 2002 That's all a bit too vague I'm afraid. Need a lot more information than that to make any worthwhile comment Quote Link to comment Share on other sites More sharing options...
Gaz Walker Posted October 23, 2002 Author Share Posted October 23, 2002 Originally posted by GavinL That's all a bit too vague I'm afraid. Need a lot more information than that to make any worthwhile comment Sorry Gavin. I can get someone to custom make any spec turbo(s) I want for very cheap. I want to know whats the best way to go about it if I want to keep sequential turbo system. Can I upgrade just the second turbo? Or is better to do both at the same time? Whats the max boost that can be run through the stock second turbo? Is it efficient to run high boost on the sequential system even if the turbo is modified? etc! More technically, what spec compressor wheel, exhaust housing, veins etc can be fitted to the 2nd turbo... Thanks for any help Gaz. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted October 23, 2002 Share Posted October 23, 2002 Gaz send me a mail & we'll go through it. Generally 1.3 bar is the safe limit of Optimax with stock timing. Quote Link to comment Share on other sites More sharing options...
Alex Posted October 24, 2002 Share Posted October 24, 2002 Gaz you have to upgrade both turbo's - see Paul Renn's thread for why. The problem is the manifold attachment - I believe - not may turbo's have the same one.... But mail Terry as he has looked into these things more thoroughly. EDIT - Totally obvious mistake.....god I'm thick! Quote Link to comment Share on other sites More sharing options...
Gaz Walker Posted October 24, 2002 Author Share Posted October 24, 2002 Originally posted by Alex Holdroyd Gaz you have to upgrade both turbo's - see Andrew Dunk Shaw's thread for why. The problem is the manifold attachment - I believe - not may turbo's have the same one.... But mail Terry as he has looked into these things more thoroughly. Alex, Thanks for that... I see now. Don't worry, Terry has shown me the light Gaz. Quote Link to comment Share on other sites More sharing options...
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