sudden boost drop higher rpms procharger

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Aug 27, 2020 | 05:34 PM

#11

bidgaf

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Well the bov is getting replaced regardless. I have a 50mm flange and I found a percision and tial unit to replace the cheap one. The tial reccomends a 2 psi for supercharger applications, but that doesn't sound right to me. Any input on which one and also what spring I should get for it?

Aug 27, 2020 | 06:00 PM

#12

arthursc2

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The lighter the better so it bleeds off at idle and tightens up when it senses boost. Make sure you have a ref line feeding the top of the bov

Aug 27, 2020 | 06:22 PM

#13

bidgaf

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Quote:

Originally Posted by madmann26

Is your crank pinned?

No it is not, will pin and retest.

Quote:

Originally Posted by BigKID

The bold statement caught my attention. Is there a noticeable power loss associated with the boost drop? Are you seeing an airmass change thru the MAF?

EDIT... I may have misread the statement. I read it as you are seeing the boost drop on teh log but not on the boost gauge however you may mean the log is the only reference you have?

I wouldn't say noticeable, still pulls strong. I'm going off the map sensor, no maf because I'm running speed density.