Been playing with the Turbo again today. Nothing new there.
Took the pipe from Turbo to throttle body off for something or other, noticed that the 1" bore tee for the dump valve was attached around a hole only 8mm in diameter on the main tube. Now seeing as though the pisccht noise (well technically, I suppose it sounds more like ptchaaa, but I'm not too good at phonetic spelling!)is dependant on how fast it releases the pressure, my old clockwork brain gradually realised things might sound a whole lot more boy racery if I filed this hole out to the full bore of the branch.
Solved a couple more niggly problems while I had things in bits and went for a drive.
Result - even at normal driving around the dump valve is about four times louder, so virtually every gearchange now produces a rather tasty sound!
Anyone want a stereo? don't think I'll ever use it again[8D]
Pete.
1242cc cinq,turbo cinq,Cinqs&Seis Yahoo group,Clubcento
Took the pipe from Turbo to throttle body off for something or other, noticed that the 1" bore tee for the dump valve was attached around a hole only 8mm in diameter on the main tube. Now seeing as though the pisccht noise (well technically, I suppose it sounds more like ptchaaa, but I'm not too good at phonetic spelling!)is dependant on how fast it releases the pressure, my old clockwork brain gradually realised things might sound a whole lot more boy racery if I filed this hole out to the full bore of the branch.
Solved a couple more niggly problems while I had things in bits and went for a drive.
Result - even at normal driving around the dump valve is about four times louder, so virtually every gearchange now produces a rather tasty sound!
Anyone want a stereo? don't think I'll ever use it again[8D]
Pete.
1242cc cinq,turbo cinq,Cinqs&Seis Yahoo group,Clubcento