C70: - 1999 C70 T5 dump valve question

getshawty · Jun 7th, 2009, 16:53

Iv just bought a C70 and iv been reading on here about cars with ME7 managment carnt have dump valve ,But some people still have them fitted.

I would like to have one but what is everys ones opinion.

And one with turbo pipe does it fit to.

Thanks in advance for any help.

Dan-T5 · Jun 7th, 2009, 20:03

I've recently purchased an S70 T5 (not ME7 though) and i removed my dump valve as it was actually cuasing compressor surge! Since removing it, i've not had any surging at all AND car performs better!

You can still have the 'whoosh' effect by modifying your air intake box or fitting an induction kit but with appropriate heat shields in place.

Upto you at end of day....but personally...i dont rate them.

getshawty · Jun 8th, 2009, 01:34

Thanks for that.

I have fitted an induction kit today with 2 cold air feed pipes,( one from behind the grill and one from under the car)

There is a slight woosh noise like you said but i still like that tissssh noise from a dv.

And if anyone wants to buy a crossfire im selling mine.

Jun 7th, 2009, 16:53	#1
getshawty New Member Last Online: Sep 11th, 2015 01:59 Join Date: May 2009 Location: notts	1999 C70 T5 dump valve question Iv just bought a C70 and iv been reading on here about cars with ME7 managment carnt have dump valve ,But some people still have them fitted. I would like to have one but what is everys ones opinion. And one with turbo pipe does it fit to. Thanks in advance for any help.

Jun 7th, 2009, 20:03	#2
Dan-T5 Junior Member Last Online: Aug 2nd, 2009 16:15 Join Date: May 2009 Location: North Yorks	I've recently purchased an S70 T5 (not ME7 though) and i removed my dump valve as it was actually cuasing compressor surge! Since removing it, i've not had any surging at all AND car performs better! You can still have the 'whoosh' effect by modifying your air intake box or fitting an induction kit but with appropriate heat shields in place. Upto you at end of day....but personally...i dont rate them. __________________ '98 S70 T5 Ex police, that i'm currently de-chavving and returing to normal!! So far, de-tinted windows & rear lights. Removed black paint from door frames. Exhaust is sold....to a CHAV!!

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Jun 8th, 2009, 01:34	#3
getshawty New Member Last Online: Sep 11th, 2015 01:59 Join Date: May 2009 Location: notts	Thanks for that. I have fitted an induction kit today with 2 cold air feed pipes,( one from behind the grill and one from under the car) There is a slight woosh noise like you said but i still like that tissssh noise from a dv. And if anyone wants to buy a crossfire im selling mine.

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