Just got hold of the Blitz Super Sound Blow Off Valve Dual Drive (Part No. 70015). This is a kit set from Blitz meant for the ECR33 but will also fit the ER34. It comes complete with the aluminium piping to replace the factory plasticky look-a-like unit. I must say it looked very nice when I lay it by in the engine bay of the ER34.
Should I or should I not? Kapiiisshhhhh! *Grins*
Pic 1: The Blitz Super Sound Blow Off Valve Dual Drive kit set
Pic 2: The BOV itself
Below are some info I pulled off the net:-
The Blow off valve is essential to all turbocharged vehicles. The purpose of the BLITZ Blowoff Valve Dual Drive is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards (compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure changes only, ensuring quick valve responses and complete closures at idle. The BLITZ blowoff valve not only improves performance and response, but also increases the life of the turbocharger.
Pic 3: Check out the gaskets. Like new eh?
Pic 4: This is how it will look like fitted
Pic 5: A closer view
Pic 6: From another angle
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