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Glyn Hopkin Abarth

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Author Topic: Dump Valve  (Read 9772 times)

danbobnix

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Dump Valve
« on: January 04, 2010, 12:52:12 PM »
Hello folks!
not been on here for a while, i've been driving around  ;D
Hope everyone has had a good new year  :thumb:

just a quick question if anyone knows if anyone has fitted a dump valve to the abarth 500?
i've had a search around but not got any clear answers so i'm sorry if this is re-post-y.

love the car so much but my inner boy racer would love the noise to finish it off!

Thanks
Dan
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I intend to live forever, so far so good!
Grey A500, white esseesse, red stripes, scorpion and roof

Shadow73

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Re: Dump Valve
« Reply #1 on: January 04, 2010, 11:23:41 PM »
I think its like the Grande Punto: it already has a dumpvalve! All you need is to disconnect the rubberpipe that leads the dumpvalveblowoffair back to the airintake, plug that side off (otherwise unfiltered air gets into turbo/engine) and ready. For optics you can put an open little airfilter for a few quid on top of the dumpvalve opening ;).


Time: 5-10min
Costs: 5-30 quid (depends on and if you put a filter on top of it).



Grtz Shadow73.
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sikersh

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Re: Dump Valve
« Reply #2 on: January 04, 2010, 11:55:02 PM »
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danbobnix

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Re: Dump Valve
« Reply #3 on: January 05, 2010, 01:21:51 AM »
Quote from: sikersh on January 04, 2010, 11:55:02 PM
Check this thread for more info: http://www.abarthforum.co.uk/500-abarth-tuning/after-market-mods-worthwhile-or-not/

would the forge motorsport dump valve mentioned in that thread suit the abarth?


Quote from: Shadow73 on January 04, 2010, 11:23:41 PM
I think its like the Grande Punto: it already has a dumpvalve! All you need is to disconnect the rubberpipe that leads the dumpvalveblowoffair back to the airintake, plug that side off (otherwise unfiltered air gets into turbo/engine) and ready. For optics you can put an open little airfilter for a few quid on top of the dumpvalve opening ;).


Time: 5-10min
Costs: 5-30 quid (depends on and if you put a filter on top of it).



Grtz Shadow73.

have you done this? i'm vary wary of doing anything on my own as a mistake with the turbo could damage the engine couldn't it?

cheers guys
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I intend to live forever, so far so good!
Grey A500, white esseesse, red stripes, scorpion and roof

Shadow73

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Re: Dump Valve
« Reply #4 on: January 05, 2010, 11:14:46 PM »
Here it is in my car. Its a Abarth Grande Punto, but shouldn´t be much different on a Abarth 500.



Nothing needs to be changed on the dumpvalve itsself! It just blows the air out of the little airfilter. The sound is louder without the filter (but i like it this way, looks nicer!). Also i remove the "isolation" of the bonnet when it doesn´t freeze: you can hear it better ;). (when it freeze i like the engine gets faster on temp so i put the isolation back. But normaly it also cools better the engine room without the isolation (feel the bonnet in the middle and sides, its a real difference in temp!)).


Grtz Shadow73.
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danbobnix

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Re: Dump Valve
« Reply #5 on: January 06, 2010, 12:27:24 PM »
thanks for the picture, much clearer!
 :thumb:
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I intend to live forever, so far so good!
Grey A500, white esseesse, red stripes, scorpion and roof

danbobnix

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Re: Dump Valve
« Reply #6 on: January 06, 2010, 02:53:05 PM »
can't edit my post for some reason...
is this a complete no-no for keeping warranty or is it possible to put everything as it was before a service, or would they be able to tell that its been fiddled with?
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I intend to live forever, so far so good!
Grey A500, white esseesse, red stripes, scorpion and roof

Ricey155

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Re: Dump Valve
« Reply #7 on: January 06, 2010, 04:09:58 PM »
whoosh whoosh

proper boy racer i like  :thumb:

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sikersh

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Re: Dump Valve
« Reply #8 on: January 07, 2010, 11:23:24 AM »
Quote from: danbobnix on January 05, 2010, 01:21:51 AM
Quote from: sikersh on January 04, 2010, 11:55:02 PM
Check this thread for more info: http://www.abarthforum.co.uk/500-abarth-tuning/after-market-mods-worthwhile-or-not/

would the forge motorsport dump valve mentioned in that thread suit the abarth?


I know the A500 uses a recirculated DV (as did my old Punto GT) and I used the Forge 'Splitter' DV on that without any probs, so in theory it should work on the Abarth. Might treat myself to one and give it a go!
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sikersh

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Re: Dump Valve
« Reply #9 on: January 07, 2010, 11:24:34 AM »
Quote from: Ricey155 on January 06, 2010, 04:09:58 PM
whoosh whoosh

proper boy racer i like  :thumb:



Yep  :thumb: the Forge 'Splitter' DV is great, its not stupidly loud, but just enough to make you smile and be heard!
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Jarmin Von Nitely

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Re: Dump Valve
« Reply #10 on: January 07, 2010, 11:44:59 AM »
Please let me no how this goes thanks  :wave:
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Shadow73

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Re: Dump Valve
« Reply #11 on: January 07, 2010, 03:37:01 PM »
Quote from: danbobnix on January 06, 2010, 02:53:05 PM
can't edit my post for some reason...
is this a complete no-no for keeping warranty or is it possible to put everything as it was before a service, or would they be able to tell that its been fiddled with?


Because first i got another dumpvalve from the dealer, but he found out the GPA had already 1. The did this. But everybody can do it by themselves. Also 5 min work to get it all back in place! I have the rubber bend pipe somewhere in the backtrunk. They first put the filter on the bend, but that wasn´t so good. No problem with warranty! It makes sound, and for me it makes the turbolag a bit less imo. The airrecirculation makes stops the sucking of air i think (turbo doens´t suck air, but still there is more air in front of the turbo due to the dumpvalve, so it goes backwards to the filter, or at least it stopt the proper flow of air in 1 direction), now the air keeps flowing in 1 direction. Try it out, and post your findings ;).


Grtz Shadow73.
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Ricey155

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Re: Dump Valve
« Reply #12 on: January 07, 2010, 05:48:50 PM »
deffo an option for mods for the spring or next time im going to get my window down

with current weather i cant see it being to soon


has anyone altered the current a500 DV with pics yet ??

in the punto pic what did you use to cap it off with ?? red cap
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danbobnix

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Re: Dump Valve
« Reply #13 on: January 07, 2010, 10:58:18 PM »
Quote from: Shadow73 on January 07, 2010, 03:37:01 PM
Quote from: danbobnix on January 06, 2010, 02:53:05 PM
can't edit my post for some reason...
is this a complete no-no for keeping warranty or is it possible to put everything as it was before a service, or would they be able to tell that its been fiddled with?


Because first i got another dumpvalve from the dealer, but he found out the GPA had already 1. The did this. But everybody can do it by themselves. Also 5 min work to get it all back in place! I have the rubber bend pipe somewhere in the backtrunk. They first put the filter on the bend, but that wasn´t so good. No problem with warranty! It makes sound, and for me it makes the turbolag a bit less imo. The airrecirculation makes stops the sucking of air i think (turbo doens´t suck air, but still there is more air in front of the turbo due to the dumpvalve, so it goes backwards to the filter, or at least it stopt the proper flow of air in 1 direction), now the air keeps flowing in 1 direction. Try it out, and post your findings ;).


Grtz Shadow73.

i will try it, definately
this is me being lazy, anyone know the diameter of the filter?
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I intend to live forever, so far so good!
Grey A500, white esseesse, red stripes, scorpion and roof

sikersh

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Re: Dump Valve
« Reply #14 on: January 07, 2010, 11:47:04 PM »
Quote from: danbobnix on January 06, 2010, 02:53:05 PM
i will try it, definately
this is me being lazy, anyone know the diameter of the filter?

To be honest you don't need to go through all that. The Forge 'Splitter' DV as I mentioned above will just replace the standard Fiat DV. It recirculates the air flow as well as giving the 'blow off' sound. You have to be careful what DV you get as the air flow is metered on modern cars, if its the wrong DV it could play havoc with the car.

The Forge Splitter sounds like this: http://www.youtube.com/watch?v=jLlJ1uSWEaA&feature=related

I like it, its not too loud, but loud enough to make you smile! I know, I'm sad  :-[ lol

Si
« Last Edit: January 08, 2010, 12:09:17 AM by sikersh »
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