Slower closing BOV
Have a greddy S bov on the super charged car. I'm trying to fine something that will not leak at 9 psi and close much slower than what I have. I did the mod where you pull the double spring out and put the softer of the 2 back in with 0 turns on the stiffening screw.
Currently the under throttle the bov is shutting so fast that I get a very large boost spike. This is bad at middle corner on a non drift car. Any suggestions? |
Are you running dual or single throttles? I had my m62 setup unthrottled for a bit and had issues at partial throttle with spikes in boost and power. Made corner exit very difficult. I added a second throttle body and now the car is perfectly drivable.
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Originally Posted by jeff_man
(Post 1105142)
I did the mod where you pull the double spring out and put the softer of the 2 back in with 0 turns on the stiffening screw.
Currently the under throttle the bov is shutting so fast that I get a very large boost spike. This is bad at middle corner on a non drift car. Any suggestions? put both springs back in. run both vacuum lines. tune the preload correctly and enjoy a great BOV. |
Originally Posted by Braineack
(Post 1105242)
doesnt make sense.
put both springs back in. run both vacuum lines. tune the preload correctly and enjoy a great BOV. |
If you want to change how fast it opens/closes you want a large chamber area to act as a buffer with a small connection to the intake manifold.
Negative to that is it will open and close slowly. Both will be affected. |
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