I may need a dump ?!?!

[Red and Single]

More questions sorry :chat

I have a T04R, external wastegate, FMIC, Apexi ECU but no dump valve, as far as I can tell anyway  :xconfused

Do I need one ??

I thought they were a good idea for prolonging turbo life ??

Will it need remapping after fitment ??

Thanks for your help guys

[ScuttleRX]

As standard I believe you have a re-circulating one, and i have heard them regarded more highly than an aftermarket dump, but saying that I have a nice shiny dump under the hood

Re-circulating one wont be as audible as a vent to atmosphere one for obvious reasons but still does the job!

[ScuttleRX]

ahh, just thought, may need a better one than stock as you have a larger turbo...i\'ll leave that to someone who knows what they are talking about!

[Red and Single]

Where does this recirc one live then ??

I cant see it , but maybe I\'m blind as a bat :chat

[fro]

You probably don\'t need a dump valve. On highly stressed turbos (ie. stock twins) they\'re  a good idea but not on a tough-as-old-boots T04s running low boost.
You get much better noises without too

[ScuttleRX]

Where does this recirc one live then ??

Ah might have been removed when the single turbo conversion was done, did you buy it with the single turbo or is it a mod you had done yourself?

[Red and Single]

Bought it like it :rollin

[Ricco_04]

Give us a big engine bay pic - sure we see it from there  :wiggle

[Red and Single]

Give us a big engine bay pic - sure we see it from there  :wiggle

any good ?? :cheers

[fro]

no dump valve there.. good!

on another note.. what\'s that airpump doing in there? begone satan!

[Red and Single]

no dump valve there.. good!

on another note.. what\'s that airpump doing in there? begone satan!

I disconnected once to see what happens and it didn\'t idle right

So I just left it in and connected......doing my bit for the environment :rollin

[ScuttleRX]

With the apexi you should be able to map out the idle disruption i believe so you can get rid if you desire

[Red and Single]

With the apexi you should be able to map out the idle disruption i believe so you can get rid if you desire

But... will I need a bloody datalogit to do so...\'cos I dont have one

[fro]

Yeah the idle will drop a little if you disconnect it. It can all be dialled in with the power FC though (with the commander)
Before you go for the dump valve.. how about kicking that AST into next door\'s garden and getting an alloy one instead? You won\'t regret it, honest

[Red and Single]

You get much better noises without too

Do you mean to say that I\'ll lose some / all of the wastegate chatter if I fit one ??

If so, thats a pretty good argument against :chat