S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

Boost controller

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Old 10-17-2003, 05:27 PM
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Default Boost controller

My S4 is GIAC chipped and has a APR exhaust. Whats the best boost controller to get or are there other options?
thanks
mike
Old 10-17-2003, 05:27 PM
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Default you have no need for a manual boost controller

As far as I know, the only people who *need* a boost controller are running RS4 intercoolers and want to control boost spikes. The only other reason I can think of to run one (in your situation at least) is if you want to turn down the boost a bit from your chip.

Search the archives, this has been discussed before.
Old 10-17-2003, 05:37 PM
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Default but what if you had a chip that didnt make as much boost as the others and.............

you want to turn it up at times, Or do all chips make about the same boost?
Old 10-17-2003, 05:45 PM
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Default running an MBC will not increase the requested boost

unless there is some way of hooking it up of which I am unaware.
Old 10-17-2003, 05:47 PM
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Default Yes, there is a way you're unaware of.

Simply replace the N75 with a MBC, and dial to your prefrence. However, watch out for lean conditions =-X
Old 10-17-2003, 05:48 PM
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Default

ok, reasonable way :-p
Old 10-17-2003, 05:50 PM
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Default I would really consider a chip with all the proper tuning. Most should not be messing with their

boost.
Old 10-17-2003, 06:23 PM
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Default

The TEDdy Bear is correct once again.
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