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The mkiv Supra Owners Club

BOV Question


Rob_Mitchell

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The race port is the one i had problems with, like tial its very slow to open and i kept blowing boost pipes off, Changed to HKS racing BOV and never blown a pipe off since, they open instantly.

 

really!! oh poo thats not good to hear then. i had a look on ebay for the hks type but not sure what one i need to be looking at, you got a link jamie which might help me out?

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The race port is the one i had problems with, like tial its very slow to open and i kept blowing boost pipes off, Changed to HKS racing BOV and never blown a pipe off since, they open instantly.

 

Well I'm hoping having 2 will help the issue. If 1 opens a slowely then your going to get twice the amount of vent wether it's open a little or a lot. If you know what I mean.

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I looked at the instructions for a BOV once and it said you had to mount these as close to the throttle as possible as the throttle closing is what you need them for so pressure just leaves there instead of bouncing back and stalling the turbo or blowing pipes off?

 

Also how can they rate BOV's in HP if the power is not dictaded by the boost pressure ie a small turbo at 1.6bar might be 500hp my turbo now is 612 at the same pressure but someone like Mr JamieP's would be over 900hp?

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