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Following on from a thread where dump valves where being discused and their importance on the LET engine, I thought I had better fit one or at least un-blank off the standard re-circ.
however I desided to go for a turbosmart adjustable duel port blow off valve.
One side is used to plumb back in to the intake, like a re circ would. Ive plumbed it back to the nozzle on the turbo that usually goes to the cam cover as a breather. Instead now the breather goes to atmospheare, which will eventually be a brether tank when I get one made. (please ignor the temp insulating tape join on the plumb back!! reducer not ready yet!)
The other side has a sort of like 'horn' shape to it to for the 'whooosh'. It sounds a lot diffrent to the bailey 'tissssh'
It also has a adjustable head that alows you to soften or stiffen the piston. Ive got it set on its hardest so it dont realy open on normal driving, but when I put my foot down the trapped turbo killing boost gets released.
I must say ive noticed the diffrence from running a dump valve to not running a dump valve. Before I was getting a good few seconds delay coming back on boost through gear changes, which has now been practicly eliminated.
however I desided to go for a turbosmart adjustable duel port blow off valve.
One side is used to plumb back in to the intake, like a re circ would. Ive plumbed it back to the nozzle on the turbo that usually goes to the cam cover as a breather. Instead now the breather goes to atmospheare, which will eventually be a brether tank when I get one made. (please ignor the temp insulating tape join on the plumb back!! reducer not ready yet!)
The other side has a sort of like 'horn' shape to it to for the 'whooosh'. It sounds a lot diffrent to the bailey 'tissssh'
It also has a adjustable head that alows you to soften or stiffen the piston. Ive got it set on its hardest so it dont realy open on normal driving, but when I put my foot down the trapped turbo killing boost gets released.
I must say ive noticed the diffrence from running a dump valve to not running a dump valve. Before I was getting a good few seconds delay coming back on boost through gear changes, which has now been practicly eliminated.
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