Bigger turbos?

For the older twin turbo B4 models

Bigger turbos?

Postby Rickybobby » Mon Sep 01, 2014 12:37 pm

Can you put bigger turbos on a b4?

What has to be done to support it? :assassin:
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Re: Bigger turbos?

Postby KiDo_Tuning » Mon Sep 01, 2014 1:00 pm

Rickybobby wrote:Can you put bigger turbos on a b4?

What has to be done to support it? :assassin:



RSK turbos or just fit a single turbo and make more torque everywhere ;)
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Re: Bigger turbos?

Postby Robbks » Mon Sep 01, 2014 1:35 pm

Matt
are the RSK turbo's actually any bigger than the AUDM B4 turbo's..?
I was under the impression they were the biggest of the lot.

but, there's no point.
Convert to single or buy a Gen4 GT
TT's are a badly compromised system on both teh intake and exhaust sides
coyote wrote:Sure, a GTR is fast ... but it's about as interesting as listening to grass grow.
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Re: Bigger turbos?

Postby telemekas » Mon Sep 01, 2014 2:27 pm

The existing turbos on the AUDM B4.
Primary VF33
Upgrade VF25 ->VF26 -> PE1016F
Seconday VF33
Upgrade VF27
To optomize those turbos and to upgrade to larger hybrid TD04s the sequential system needs to be improved and simplified
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Re: Bigger turbos?

Postby Robbks » Mon Sep 01, 2014 2:59 pm

telemekas wrote: the sequential system needs to be improved and simplified

by removing it all and fitting a single.
coyote wrote:Sure, a GTR is fast ... but it's about as interesting as listening to grass grow.
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Re: Bigger turbos?

Postby telemekas » Mon Sep 01, 2014 5:12 pm

To improve and simplify the sequential system.
1.New straight thru up pipe to the secondary turbo (no restrictive ECV)
2.New type ECV post turbo (2.5-3")
3.New self active IACV to intercooler.
4.Removal of SCPV (no dumping)
5.High bore silicon TT intake.
Therefore only solenoid ports No:6 (ECV) and No:12 (Vacuum tank connection) are used all the rest are capped
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