Dont think my Spec r dump valve is suited to my sapp
#1
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Dont think my Spec r dump valve is suited to my sapp
The story is I won a spec r dump valve off eBay last week it turned up and was as described and quickly delivered so all good today I fitted it but it don't sound right it's very quite like its not building up pressure to dump ? My mate bringing in to work tomorrow a baileys twin piston to see if that is better . My question is am I right in thinking I'm sure I've seen some ware that spec r valves are for 16psi and up ? My sapps is a stage 1 265bhp if it helps ,hope some one can shed some light please
#2
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guessing here , but if its not building enough pressure to open the dump valve ie to dump it , would you not hear it trying to stop the turbo ? chatter ?
#4
I have some kind of Forge copy dump valve I think, and it doesn't dump on low revs/boost. On low boost it just chatters when I get off the throttle. But say, 2500-3000 rpm letting off the gas pedal makes a nice dump sound.
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#10
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#12
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my brother had a forge dv on his 330bhp ish t34 .48 and thats quite on low revs but works fine on higher revs too , alot of diffrent choices and specs too
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SMILER258
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28-09-2015 09:04 AM