[Supras] blowoff valve recommendation

[Jeff Mohler]

OEM works.

I hear it bolts right up.

On Nov 13, 2007 5:43 PM, berniek at technicaldevelop.com <
berniek at technicaldevelop.com> wrote:

> For the last two weeks I've been getting my jollies by driving my '91
> with 550cc injectors, 57 trim turbo, Walbro, Lexus, 3" exhaust from
> turbo back, etc.  However, a disturbing boing-oing-oing sound has
> persisted from the air intake when closing the throttle under 15 PSI
> boost.  Spoke to James at Performance Techniques about this, and he says
> it is compressor surge, which I suspected.  From all I have read, using
> the Bosch Porsche right angle blowoff valve should have been sufficient,
> but it is not.  I get the sound even at low boost.
>
>
> So I'm looking for recommendations as to which BOV to use.  I would like
> to recirculate to the accordion hose, even if I need to cut a hole in it
> and use curved, clamped large washer-like pieces on the inside and
> outside to provide a large bung for the BOV discharge.
>
>
> Any and all suggestions would be appreciated.  Thanks.
>
>
> BernieK.  PS:  Arlene and others were right.  There is never enough
> power even if you can "walk" the tires in second gear.  Starting to
> wonder what to do next for more HP.
>
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