grape of wrath
I purchased a T4, V2, Quick scroll valve from Diesel Pump UK,good quality part. Quick Spool Valve V2 – Water cooled I installed it on my camaro V6 3.5 liter chevy engine. I have a twin scroll Borg Warner, 66mm turbo with a divided manifold. Water lines installed, flapper valve is mounted closet to the downpipe side of the turbine housing. My turbo would spool up at 4,000 rpms before install. After install spool is still at 4,000 rpms. The flapper valve opens at 7 psi of boost, I did not retune after install. I do not notice any difference at all with this quick spool valve. Any suggestions would be appreciated. Thank you.