[s-cars] Forge BPV's ??(diverter valves)

Kirby Smith kirby.a.smith at verizon.net
Thu Jan 30 20:09:20 EST 2003

I have a Forge piston type purchased from Stratmosphere two or three
years ago.  It seems to work fine on my Stage 1 setup.  However, it is
possible for the piston to bind in the o-ring seals, so a diaphram type
might be more reliable.


joeamund wrote:
> Hello listers!
> Does any of you have any experience with the Forge BPV's?
> ( http://www.forgemotorsport.com/s4.asp?cat=audis4&catalog=AUDIS4DV )
> I am a bit puzzled over the two types diverter valves, one is the FMCL007P
> closed loop all aluminium with a piston and the other is a FMDVR-Race also
> aluminium but with a diaphragm and four different springs.
> I would  think the piston  type would be more durable, since I am having a lot
> of trouble keeping the Audi RS2 BPV to hold in my car at all. the diaphragm is
> ripped almost apart after som months of driving and they are expencive too,
> let alone the power loss.(which is the worst...)
> I probably should have gone to a bigger dimention when I did the plumbing on
> the IC, but is currently running two identical RS2 BPV, and wanted to hear
> your opinion before i purchase two new ones.
> Best reg Joern,MTM RS
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