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The mkiv Supra Owners Club

HKS SSQV Not Dumping Properly & Adaptor Fitted Wrong Way


gurnam

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Hi guys I have a JDM Supra TT 6 and have just fitted a HKS SSQV to it.

 

I have all BPU mods apart from remap & FMIC.

 

Problem is the SSQV makes the chirping noise when letting off but I don't get much of a whoosh after it. It's like a small chirp and that's it.

 

Is this normal?

 

I'm still using the standard airbox. Would it be more noticeable if I had an induction kit?

 

Also another thing is the SSQV I've got came off a UK Supra TT so the adaptor is fitted so the valve faces the front of the car instead of the back of the car like on other setups I've seen. This means it doesn't sit properly inside the gap where the stock valve is as the rear of the SSQV is pretty big

 

Is it an easy job to rotate the actual adaptor? This will mean the rear of the valve will be facing the front of the car so will fit a little better as there's more room there.

 

Sorry if I've confused any of you.

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There is an adjustment screw that changes the pressure required to dump this will change the sound.

 

A picture might help. There is a very large circlip that hold the SSQV on to the adaptor plate, so in theory it should be possible to rotate it. It may be necessary to use some circlip pliers to take some of the pressure of the clip in order to rotate it.

 

If you have a stock ECU you will not be remapping it.

 

Keep the stock air box.

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  • 3 weeks later...

Hi guys, I just tried the valve out on my mates S15 Silvia and it sounds much much better than when it was on mine. It has an extended whoosh after the loud chirp.

 

It sounds exactly like below:

 

 

Problem with mine is that it makes a small chirp and then a small amount of whoosh. Something is definitely not right. It seems to be getting muffled by something but the only thing I can think of is the carpety stuff thats stuck onto the inside of the bonnet.

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