tuning BPV to match OE valve tension
01-19-2009, 06:05 PM
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MiG-21 superfan
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tuning BPV to match OE valve tension
this isn't a honda, obviously, but i'm curious if anyone has experience with setting things like this!
i was thinking at the most basic level i could rig up a jig, with tapped holes for the flange, and in the middle of the jig have a quick connect for my compressor. fasten the valve to the flange, and then i could then regulate pressure until i see the thing actuate.
i could then take the aftermarket one and do the same thing and see where it moves. then, i can tune with shims/ springs/ screw, depending on the brand of aftermarket valve, until it matches the stocker.
the question comes up why would one replace a stock valve if it works ok.
well, the reason is stockers 1. can leak, and 2. atleast i'd have a baseline to tune an aftermarket valve so i could experiment from there by adding tension to cope with higher than stock boost levels, boost levels that would overcome the tension in the stock valve.
i was thinking at the most basic level i could rig up a jig, with tapped holes for the flange, and in the middle of the jig have a quick connect for my compressor. fasten the valve to the flange, and then i could then regulate pressure until i see the thing actuate.
i could then take the aftermarket one and do the same thing and see where it moves. then, i can tune with shims/ springs/ screw, depending on the brand of aftermarket valve, until it matches the stocker.
the question comes up why would one replace a stock valve if it works ok.
well, the reason is stockers 1. can leak, and 2. atleast i'd have a baseline to tune an aftermarket valve so i could experiment from there by adding tension to cope with higher than stock boost levels, boost levels that would overcome the tension in the stock valve.
01-19-2009, 08:07 PM
#2
MiG-21 superfan
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Re: tuning BPV to match OE valve tension
this isn't a honda, obviously, but i'm curious if anyone has experience with setting things like this!
i was thinking at the most basic level i could rig up a jig, with tapped holes for the flange, and in the middle of the jig have a quick connect for my compressor. fasten the valve to the flange, and then i could then regulate pressure until i see the thing actuate.
i could then take the aftermarket one and do the same thing and see where it moves. then, i can tune with shims/ springs/ screw, depending on the brand of aftermarket valve, until it matches the stocker.
the question comes up why would one replace a stock valve if it works ok.
well, the reason is stockers 1. can leak, and 2. atleast i'd have a baseline to tune an aftermarket valve so i could experiment from there by adding tension to cope with higher than stock boost levels, boost levels that would overcome the tension in the stock valve.
i was thinking at the most basic level i could rig up a jig, with tapped holes for the flange, and in the middle of the jig have a quick connect for my compressor. fasten the valve to the flange, and then i could then regulate pressure until i see the thing actuate.
i could then take the aftermarket one and do the same thing and see where it moves. then, i can tune with shims/ springs/ screw, depending on the brand of aftermarket valve, until it matches the stocker.
the question comes up why would one replace a stock valve if it works ok.
well, the reason is stockers 1. can leak, and 2. atleast i'd have a baseline to tune an aftermarket valve so i could experiment from there by adding tension to cope with higher than stock boost levels, boost levels that would overcome the tension in the stock valve.
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