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Possible Boost leak?

Discussion in 'A4/S4 forum(B5 Chassis)' started by SteVR, Mar 3, 2010.

  1. SteVR
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    SteVR Member

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    Since hooking the boost gauge up I haven’t really paid to much attention to boost levels whilst driving (waiting for the right holder from Canada). On the way to work this morning I monitored the levels and it seems to be seeing an initial 16psi before dropping back to 12-13psi. Is this considered normal or would this suggest a possible boost leak? The car has been remapped previous to me buying the car its a '00 1.8T DBW which had a replacement turbo fitted a couple of years ago but looks like a K03-005 and not a K03-029. Bar the remap and a 710N the car is standard.
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  2. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    I think its pretty normal for a slight overshoot, its just the way the N75 control works.
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  3. SteVR
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    SteVR Member

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    Thought it might be the norm cheers aragorn. Will be looking to fit a N75j and new TIP soon but are the silicone TIP's really worth it??
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  4. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    i wouldnt bother with the J valve, it usually causes an even larger spike, and can often cause fault codes etc.

    silicone TIP helps stop it collapsing in under full power;.
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