Single pass intercoolers

[docwyte at comcast.net]

My stock Bosch DV lasted over 40k miles at 21psi on my A4 1.8T.  The supposed fragility of the Bosch DV is vastly over stated.  Considering that you can buy 3 or more of the Bosch DV's for the cost of 1 of the Bailey or Forge valves, it's not really worth the investment.

-josh

-------------- Original message -------------- 

> If it is one of the plastic diaphram type Bosch DVs like the ones that come on 
> the 1.8T cars...don't expect it to last very long with more than 8PSI of boost. 
> The one on my Passat 1.8T died very soon after chipping the car. It was replaced 
> with a piston type by Forge. Billet aluminum and very well built, but it 
> requires periodic disassembly and lubing (takes all of 10 minutes). They also 
> offer the springs for it in various stiffnesses so you can taylor how long it 
> remains closed before opening. I loved it... 
> 
> Dave 
> 1987 CGT 2.3 
> SE VA 
> > 
> > From: "jesper moreau" 
> > Date: 2004/12/14 Tue PM 04:22:35 EST 
> > To: quattro at audifans.com 
> > Subject: Single pass intercoolers 
> > 
> > Well, I bought a singlepass intercooler and of course it has a bipass valve. 
> > and that valve has a signal tube/line with a tee..... 
> > Which line do I splice into.... 
> > 1. the wastegate signal line (to solenoid) 
> > 2. the ecu to solenoid 
> > 
> > can't seem to get the vendor to return an email.... hoping someone else 
> > knows 
> > 
> > also, the bipass valve is plastic. Well, how durable is it and how long to 
> > the plastic ones usually last? 
> > Does anyone know of metal ones? I'm not looking for a blowoff valve as i 
> > will loose unmetered air. 
> > Just thought I'd ask! 
> > Thanks!!! 
> > Jesper Moreau 
> > 
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