greddy blow off valve stiffnes hard or soft? - Boost Forum

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greddy blow off valve stiffnes hard or soft?
Saturday, February 03, 2007 9:30 AM
hey what does it change if it goes all the way soft or all the way hard? does it mess with the sound?my greddy has a screw on the top that says hard or soft.

Re: greddy blow off valve stiffnes hard or soft?
Saturday, February 03, 2007 7:18 PM
Basically, if you're pushing enough boost pressure to push the valve open causing a boost leak, you tighten down the screw to hold more boost.


_________________________________________
450WHP Turbo Ecotec swap in the works...

Re: greddy blow off valve stiffnes hard or soft?
Sunday, February 04, 2007 5:56 PM
if your running stock boost don't touch the screw, once u decide to boost higher turn it towards hard depending on the amount of boost your running



regular setup - 689awhp/793tq @ 50 psi on race fuel
winter setup - 353awhp/401tq @ 25 psi on 93
1992 Mitsubishi Eclipse GSX - current
1991 Eagle Talon Tsi AWD - Sold

Re: greddy blow off valve stiffnes hard or soft?
Sunday, February 04, 2007 7:25 PM
On anything under 10 psi you'll probably want to set it as soft as possible.


- 93 mph in the 1/8 mile
Member of J-Body Of Michigan.

Re: greddy blow off valve stiffnes hard or soft?
Sunday, February 04, 2007 9:39 PM
or you could have a HKS SSQ and not have to worry about boost leaks



The First Twin Charged jbody
blue car (R.I.P) - 240whp @7psi..
silver car - 305whp 315lbs.tq @15psi (91 Octane) or 420whp & 425lbs.TQ @20psi (94 octane+Alcohol Injection)
All dynos run on a Mustang dyno
Re: greddy blow off valve stiffnes hard or soft?
Monday, February 05, 2007 6:35 AM
Josh F wrote: or you could have a HKS SSQ and not have to worry about boost leaks


Why would he worry about leaks with the Greddy????

BTW Josh, i'm still waiting for you to show me all the people pushing 250+whp with the M45 that i was wrong about.


- 93 mph in the 1/8 mile
Member of J-Body Of Michigan.

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