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emo Blow off valve installation

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08 Jun 2018 08:12 #27158

After seeing and hearing Alex's kei blow off valve setup at Castle Combe last week i went ahead and bought the parts to put one in. You will need a 19mm to whatever diameter your BOV inlet is silicone adapter and some sort of plug to fill in the hole that the stock BOV leaves in the intake pipe. I just went with a basic forge type BOV to keep it simple. I wanted to go with a more adjustable one but i was worried about the weight and supporting it and the all around lack of space in the area so i decided against it.
I am still waiting on the valve to come in and will post up details on how to install it and my thoughts. I am pretty sure it will be easy and loud which is exactly what i am looking for. I don't know how I'm going to deal with plugging off the intake pipe hole but i am sure i will figure out something when i get to it. Maybe machine something and press it in or tapping it and capping it idk. It's in an area that isn't under pressure so i just need to make sure it stays put.

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08 Jun 2018 19:57 #27159

I am sure you will find something from Ash to block the hole,
www.autosiliconehoses.com/

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09 Jun 2018 08:19 #27162

that's where I got the 19 to 25mm adaptor hose from but they didn't have any plugs that would work for me.

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10 Jun 2018 20:29 #27163

Bov is in and working. Its very quite and im not digging it. I will give it some time to break in before i make a final decision.
I ended up leaving the stock one in place as it made an excellent plug.

This is the one i got:
www.ebay.co.uk/itm/25MM-UNIVERSAL-ATMOSP...c:g:CJoAAOSwz2lXBo2C

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10 Jun 2018 22:32 #27164

i have used this one before.HKS copy and gives out a loud phsssssst

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10 Jun 2018 23:09 #27166

I should have gone with that one. The size of it made me change my mind. It would have been tough to mount it up.

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21 Jun 2018 21:22 #27185

Seen a few posts on japanese forum of folk removing the pipe that goes to the inlet from the stock bov blocking it and just let it vent to atmosphere rather than back to inlet.
Gash but makes a good noise :lol:
Not recommending it but here's a link to s vid a found


1997 Suzuki Alto Works
2016 Peugeot 208 GTI
Last Edit: 21 Jun 2018 21:26 by MacKellar.

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