sr20det bov - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

drpimper746 · 11-06-2003, 06:41 PM

on a stock blacktop sr20det i am goin to put a fmic and a bov when i get it in. i was wondering if i need to get o bov that will dump it back into the intake. like a greddy type s? or can i get one that releases it into the air. what bov would u recommend?

rednerd · 11-07-2003, 02:29 AM

An SR will run fine with the BOV vented to the atmosphere, but you will run wicked rich off throttle. My exhaust tip is black even on the outside within a week of cleaning it.

I bought the recirc. kit for my HKS SSQV, but I have been to lazy to put it in...

s13silady · 11-07-2003, 03:49 AM

it will run rich off throttle and youll have slight idle problems... that and the occasional backfire...thats when its vented to atmosphere... when its recirculated it will idle fine, run less rich, and the blow off sound will be quieter...

i just recently changed my HKS for a Apexi Twin Chamber, and seriously in my all honest opinion, i love the Apexi more than the HKS... nice sound, doesnt leak (adjustable) and sounds plain mean...
the BOV you want is strictly up to you.. its all personal preference...
alot of people on this board run the HKS SSQV and love it...
if you want a BOV cuz of the sound then go Greddy type S... sweet *ss sound...

rednerd · 11-07-2003, 11:37 AM

s13silady so as not to confuse drpimper ( i love that sn) you had the older HKS BOV, right? Not the SSQV? The SSQV is adjustable but not like a normal BOV, the adjustment changes the bias between the two valves in the BOV. I haven't had a problem with mine.

HiPSI · 11-07-2003, 01:22 PM

the HKS SSQV doesn't tend to leak at idle like standard poppet valves too, so you don't have the idle problems and such usually associated with a VTA blowoff valve. the only adverse effect is going rich between shifts.

drpimper746 · 11-07-2003, 01:51 PM

well since im gunna recirculate it, to save from problems. what bov's can u do it with. or can u do it with any. i have never had a turbo so im new to this kinda of sh*t. i was talking to a friend that builds honda motor's and he was recommending the greddy type s. i want what will be best and not for just sound. sound is good but performance come first.

fooddude · 11-07-2003, 02:49 PM

I've run both Blitz DD and HKS SSQV, both open atmosphere. DD always leaks at idle and even under boost sometimes..hated driving my car cuz it backfired like crazy every ten minutes. With the HKS SSQV it has NEVER leaked or backfired since i've owned it.

drpimper746 · 11-07-2003, 08:16 PM

i take it this is on a sr and were u runing stock ecu.

11-06-2003, 06:41 PM	#1
drpimper746 Leaky Injector Join Date: Feb 2003 Location: indy Posts: 74 Trader Rating: (0) Feedback Score: 0 reviews	sr20det bov on a stock blacktop sr20det i am goin to put a fmic and a bov when i get it in. i was wondering if i need to get o bov that will dump it back into the intake. like a greddy type s? or can i get one that releases it into the air. what bov would u recommend?

11-07-2003, 03:49 AM	#3
s13silady Nissanaholic! Join Date: May 2002 Location: Bay Area, San Jose Posts: 1,804 Trader Rating: (0) Feedback Score: 0 reviews	it will run rich off throttle and youll have slight idle problems... that and the occasional backfire...thats when its vented to atmosphere... when its recirculated it will idle fine, run less rich, and the blow off sound will be quieter... i just recently changed my HKS for a Apexi Twin Chamber, and seriously in my all honest opinion, i love the Apexi more than the HKS... nice sound, doesnt leak (adjustable) and sounds plain mean... the BOV you want is strictly up to you.. its all personal preference... alot of people on this board run the HKS SSQV and love it... if you want a BOV cuz of the sound then go Greddy type S... sweet *ss sound... __________________

11-07-2003, 01:22 PM	#5
HiPSI Zilvia Junkie Join Date: Oct 2003 Location: Buford, GA Posts: 522 Trader Rating: (0) Feedback Score: 0 reviews	the HKS SSQV doesn't tend to leak at idle like standard poppet valves too, so you don't have the idle problems and such usually associated with a VTA blowoff valve. the only adverse effect is going rich between shifts. __________________ SR motor set/clip $2500+, FMIC kit $700+, Downpipe $100+, 3" exhaust $500+, Misc install parts $100+, Shop labor for install $1000+ and you still only make 220rwhp for $5000 so what's so CHEAP about the SR swap again?

11-07-2003, 02:29 AM	#2
rednerd Zilvia Member Join Date: Aug 2003 Location: Massachusetts Posts: 180 Trader Rating: (0) Feedback Score: 0 reviews	An SR will run fine with the BOV vented to the atmosphere, but you will run wicked rich off throttle. My exhaust tip is black even on the outside within a week of cleaning it. I bought the recirc. kit for my HKS SSQV, but I have been to lazy to put it in...

11-07-2003, 11:37 AM	#4
rednerd Zilvia Member Join Date: Aug 2003 Location: Massachusetts Posts: 180 Trader Rating: (0) Feedback Score: 0 reviews	s13silady so as not to confuse drpimper ( i love that sn) you had the older HKS BOV, right? Not the SSQV? The SSQV is adjustable but not like a normal BOV, the adjustment changes the bias between the two valves in the BOV. I haven't had a problem with mine.

11-07-2003, 01:51 PM	#6
drpimper746 Leaky Injector Join Date: Feb 2003 Location: indy Posts: 74 Trader Rating: (0) Feedback Score: 0 reviews	well since im gunna recirculate it, to save from problems. what bov's can u do it with. or can u do it with any. i have never had a turbo so im new to this kinda of sh*t. i was talking to a friend that builds honda motor's and he was recommending the greddy type s. i want what will be best and not for just sound. sound is good but performance come first.

11-07-2003, 02:49 PM	#7
fooddude Zilvia Member Join Date: May 2003 Location: ur moms Age: 46 Posts: 185 Trader Rating: (0) Feedback Score: 0 reviews	I've run both Blitz DD and HKS SSQV, both open atmosphere. DD always leaks at idle and even under boost sometimes..hated driving my car cuz it backfired like crazy every ten minutes. With the HKS SSQV it has NEVER leaked or backfired since i've owned it.

11-07-2003, 08:16 PM	#8
drpimper746 Leaky Injector Join Date: Feb 2003 Location: indy Posts: 74 Trader Rating: (0) Feedback Score: 0 reviews	i take it this is on a sr and were u runing stock ecu.