My full report on HKS SSQV
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Evolving Member
Joined: Jun 2003
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From: Hoffman Estates, Illinois
My full report on HKS SSQV
I don't know if anyone's had this problem, but the metal plug (supplied along with the kit) that goes to the intake pops out so if you plan on going with the HKS SSQV or any other blowoff valve that vents to the air, make sure that the plug is very secure. Other than that, there are no surprises during installation.
As far as the blowoff valve's performance, it's predictable. I've only had the blowoff valve on for two days, but here are my observations:
* Boost level drops considerably (so far it has dropped as low as -23 psi on my HKS EVC) when you let off the throttle. To my knowledge, my boost level has never dropped that low with the stock blowoff valve.
* My oil pressure readings drop really low too. Each boost drop (coming to a stop) triggers the warning light on my oil pressure gauge. If the revs don't stabilize in the 1000 - 850 rpm range, the oil pressure reading will remain low at warning and the car will eventually stall.
* The EIDS (on the HKS Super AFR) helps a little bit to stabilize the revs, but it only seems to work in second to fifth gear and right after you let off the throttle. You'll know it's working when it's display light's on. However, it doesn't seem to work when the revs drop below 1000 rpms or ever in first gear.
* You can't put the car in neutral while rolling and coming to a stop. Your car will stall. Instead, I'll stay in gear until the revs go to around 1500 rpms, then I'll shift into a lower gear. Sudden breaking in gear will stall the car too. Break gently, then shift.
With all that said, I will try to adjust the blowoff valve this weekend. I will post my report on that too.
As far as the blowoff valve's performance, it's predictable. I've only had the blowoff valve on for two days, but here are my observations:
* Boost level drops considerably (so far it has dropped as low as -23 psi on my HKS EVC) when you let off the throttle. To my knowledge, my boost level has never dropped that low with the stock blowoff valve.
* My oil pressure readings drop really low too. Each boost drop (coming to a stop) triggers the warning light on my oil pressure gauge. If the revs don't stabilize in the 1000 - 850 rpm range, the oil pressure reading will remain low at warning and the car will eventually stall.
* The EIDS (on the HKS Super AFR) helps a little bit to stabilize the revs, but it only seems to work in second to fifth gear and right after you let off the throttle. You'll know it's working when it's display light's on. However, it doesn't seem to work when the revs drop below 1000 rpms or ever in first gear.
* You can't put the car in neutral while rolling and coming to a stop. Your car will stall. Instead, I'll stay in gear until the revs go to around 1500 rpms, then I'll shift into a lower gear. Sudden breaking in gear will stall the car too. Break gently, then shift.
With all that said, I will try to adjust the blowoff valve this weekend. I will post my report on that too.
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Joined: Sep 2003
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From: Soup of the world - Hot & Humid Singapore
Originally Posted by HIGH REV
* You can't put the car in neutral while rolling and coming to a stop. Your car will stall. Instead, I'll stay in gear until the revs go to around 1500 rpms, then I'll shift into a lower gear. Sudden breaking in gear will stall the car too. Break gently, then shift.
With all that said, I will try to adjust the blowoff valve this weekend. I will post my report on that too.
The next better solution is to change from an MAF to a MAP system
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