Any experience with Blow-off valves?? Needed?? Worth it??
#5
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O.K., the 'old-fashioned' way, then (more)...
I have checked out Hoppen Motorsports web site(and everyone else's, for that matter). I'm months away from even ordering my A4, but I'm doing my research early.<p>ANYWAY, the link is:<br>www.hoppenmotorsport.com/serv01.htm<p>Personally, I have pretty much decided to go with Hoppen when I eventually add HP. I live in FL, seen mostly good to great stuff from posts here, and Jo Hoppen seems like he knows his stuff. Plus, I would have to believe he still has ties of some sort to the Audi factory, IMO.<p>Hoppen's on the pricey side, but, for me, cost should not be a factor.<p>Just my $.02
#6
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Seems to me that if your going to run increased boost pressure...
<br>a turbo bypass valve would be a must (unless you have a tiptronic). Audi saw fit to employ one on the 20V turbo motors of yesterday (ah, now that was a motor). My '91 boosted to 0.7 bar and had one; the S4/S6 boosted to 1.0 bar and had one. I don't know what available; check the archieves.
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