Miata Turbo Forum - Boost cars, acquire cats. - 1 3/8"/35mm bypass valve options

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- - 1 3/8"/35mm bypass valve options (https://www.miataturbo.net/diy-turbo-discussion-14/1-3-8-35mm-bypass-valve-options-40945/)

Rennkafer

11-07-2009 12:46 PM

1 3/8"/35mm bypass valve options

Yes... I searched first.

Yes, I know I can order one from BEGi for $85...

What are my other options for a 1 3/8" - 35mm recirculated bypass valve?? No one seems to list the bloody things by size, it's all done by application. This is going on an older FMII I/C setup.

TIA..

Rennkafer

11-09-2009 11:35 AM

Seriously... no one knows what the application is for these??

bryanlow

11-09-2009 12:52 PM

Mine has a DSM logo on it. Possibly an evo or an eclipse.

Stephanie Turner

11-09-2009 02:33 PM

It is a Mitsubishi valve. Do not know car application. Forge makes one in a 1 3/8", but it costs about $150.00.
Stephanie

bryanlow

11-09-2009 03:20 PM

I'm pretty sure this is it.
Bypass valve

Gotpsi?

11-09-2009 04:59 PM

Why does it matter you can always get an adapter to the size you need. Buy what works and is cost effective.

Rennkafer

11-10-2009 02:09 AM

Thanks Bryan... exactly what I needed!

zoomin

11-14-2009 01:51 PM

Probably 80% of the clamp on style you will find will fit your application.

Rennkafer

11-15-2009 01:33 AM

Quote:

Originally Posted by zoomin (Post 482427)

Probably 80% of the clamp on style you will find will fit your application.

About 99% of the ones I see listed are 25mm... fits VW/Audi and a bunch of others. No one who sells the DSM pieces seem to list the size, though from Stephanie and Bryans input it appears they're 34/35mm which was what I was looking for.

I'd imagine the 25mm would be adequate, I'd just rather not do a bunch of adapting when it's not needed.

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