Just bought a HKS SSQV , sounds great! BUT....
Is it doing damage to my engine, why does it tick over funny? Anyone know if this is normal?

 

Well ... thats the worst, what model and model year car ? I see you may have a new age.
If so your std bov is the best to have.

Welcome to the SQV world of bad idle, jerkiness on fast gear change.

cheers

bob

 

Has you car been mapped as fitting a VTA dump valve can cause your car to over fuel which then causes bore wash and your lumpyness.

 

Thanks bob, my cars is a 2004 model blob eye!
I've had it remapped to 300bhp since taking
The cats off and replacing the up pipe and
Down pipe with hayward and scott! It was running super
But since the his has felt lumpy at idle!

 

Had mine fitted for around 6 months been remapped twice since and have had no trouble with idle or power, mines running 391bhp, Perhaps there is a problem with unit not shutting of at idle correctly?
The design of this unit should only open when boost boost backed up and vacum on other side. Might be a wild guess but the flange where it bolts to the intercooler is thin than the factory flange, gives the impression those 12mm bolt are tight but they aren't i'd make sure it's firmly seated on the intercooler.
Dean.

 

thanks dean
It seems good when I'm driving and power feels
Fine, just when I very first start it?? Ticks over really lumpy,
Do you think I need to remap again?

 

raotfl at the newbies ignoring Bob

 

He didnt ignore Bob...

But that is a good point that Dean made about the bolt length... I remember when I had my HKS on MY03 and I used shorted bolts, only coz it was esier than fiddling around with the longer one with that particular BOV.

Try shorter bolts Lee, but other than that dont worry about the idle being like that on cold start.

 

im looking at buying a bov for my 53 plate and i dont know what to get, so do you have to have the car remapped for it to run properly

 

Wasn't ignoring anyone mate, just merely making a valid point.
I have personal experience with that valve and on that particular car.

I hadn't had a remap directly after fitting the valve and have no issues before
the remap or after, I guess it depends on the mapper I used a road mapper Andrew Carr, he was bang on mate.
I'd be looking at the possiblity of a faulty valve,
quick test spray a little brake cleaner around and on the valve whilst the engine is idleing if the revs fluctuate when you spray it you either aint seated right or the valve is leaking in air.
Hope that helps.

 

yeah that helps mate. what b o v would work ok on them because the hks are expensive. would a normal b o v be any good

 

I would seriously save yr money and go for the HKS mate, Other ones can leak under boost and idle conditions, the design of the SSQV means it won't leak under pressure, Have a look at Jap Performance Parts : Home Used parts from Japan but well looked after.
Dean.

 

save all your money and keep the OEM BOV.

 

Thats quite amusing as it on yr spec you have one that's in recirc, guess you wasted yr money too??

 

Dean, I have a HKS fmic which comes with a SSQV fitting as standard. I looked into making up an adapter for the OEM BOV but when comparing it the prices of second hand SSQV's it just wasn't worth the hassle.

Mine is, as you correctly point out converted to recirculate the air...i didn't buy it for the noise that would just be a waste of money

 

the only reason im not keen on the hka is they give off a sqeeky pssss sound and would like a more softer sound