STAGE 2 GTM supercharger BOV OPTIONS
 

I'm looking to change out the turbosmart BOV due to constant issues with sticking... I had seen a few threads on switching to the 50mm tial BOV which requires adding a different flange to the pipe. The tial QRJ comes in a 38mm size and should be a direct fit. How loud is the qrj tial vs the 50 mm ... has any one had any experience with it?

On the Air to Air setup the QRJ sounds a gazillion times better than the turbosmart. In fact I dont even sell the kit without the Tial anymore so guys arent disappointed in their system after they go Air to Air. The Tial is probably 3X louder because it actually gets the air out when it needs to instead of "trying" to.

Turbosmart = Wheezing Grandpa
Tial QRJ = Fighter Jet

I have GTM stage 1.5 with TIAL BOV and its sounds pretty awesome, on high revs it is a fighter jet.

Have you attempted to clean/lube the TS BOV? (Just thinking out loud, haven't done this on my setup yet... but I have TS BOV's)

Both me and kentomo280z are running the tial qrj bpv on our gtm sc kits with the 1.5psi spring. it flows twice as much air and doesn't flutter like the turbosmart bpv. you just have to remove the old flange and get the tial one welded on. it cost me 30 bucks at local shop.

I have cleaned and lube it dozen of times at first it worked for a month or two before acting up now there isn't any change in it. I think the brass piston may be worn down and slightly binding in movemen.

The qrj comes in a 38mm flange.was trying to find a direct fit without having to rework the pipe with a 50mm. I did see the vids of the tial 50mm swap and it sounded great that's why I was asking about the qrj size.....http://www.jegs.com/p/TiAL-Sport/TiA...39373/10002/-1


I did speak with a very reputable guy at Z1 and he said he seen a lot of guys use a 38mm wastegate with a lighter spring cause it had a larger opening than a 38mm bov

Right on.. that stinks.

Curious about a couple of things:
1) How old is it? how many miles?
2) Did you contact TS and if so, did they give any options?

I probably have the same valves so just looking for data...

[QUOTE=Jinxx;3694966]The qrj comes in a 38mm flange.was trying to find a direct fit without having to rework the pipe with a 50mm. I did see the vids of the tial 50mm swap and it sounded great that's why I was asking about the qrj size.....TiAL Sport QRJ 38mm Blow-Off Valves | JEGS

unfortunately the 38mm qrj bpv wont fit the 38mm turbosmart flange supplied with the kit, i initially thought the same, but the design of the lip where the valve sits is different for the tial and wont seal properly.

i wouldnt recommend a bov like the tial q series because there is no way filter the air as its being sucked into the engine under vaccum, this could lead to dirt and debris being sucked into the intercooler pipe.

I have been running the kit for just under 2 years about 30k miles
Called turbosmart.not much help they warranty is 1year ....not much they could do since the piston and housing are matched together so replacing the piston wasn't recommended

[QUOTE=jmroy6;3694974]
Well that sucks about the flanges ...and the bov is blowing air out while at idle with the super charger don't think there is anything getting sucked in.

Not sure if this is what you are after, but just saw it pop up in the classifieds:

http://www.the370z.com/parts-sale-pr...alve-blue.html

I tried both the Tial 50mm & the QRJ, with the supercharger spring. I had to have a new flange welded on for the QRJ.
The 50 mm was way loud. I only used it for a very short period of time. The QRJ is what I have ended up using full time. It was a little loud so I added a filter and wrapped the filter with foam and that setup works very well. It has never stuck and would highly recommend. Does not flutter for me either, where as all the others have.
I've also used the Synapse valves, both old style & new. I've spent a small fortune trying to fix the flutter issue.
QRJ ftw!! Stage 1.5 setup.

Was there any other issues with the 50mm other than being too loud ... flutter/ sticking... etc

I really can't remember... I have tried so many valves that I can't recall.
I actually had a 2nd BOV pipe made as I kept having new flanges welded on. .I'm sure that it did flutter , otherwise I probably would have put a filter on it to quiet it down.
The qrj works quite well..