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sorry to dig up the thread... but a mate of mine just directed me to the TiAL Alpha Q Pumbback BOV. It seems to be the beesknees of all plumb backs.

alphaq1.jpg

they also sell it without the v band flange so you can run it inline.

Alpha Q Recirculating Blow-Off-Valve

High Flow and a Happy MAF Sensor

New for 2008 is the first ever recirculating blow-off-valve offered by TiAL. This unique 50mm BOV flows 6% more than the current vent-to-atmosphere BOV we offer, bolts on to any standard TiAL 50mm flange (slip-fit beaded ends will also be available so you can run it in-line with couplers). It will be available in all current colors we offer. Check back for more information to be released.

Tial_line.jpg

from left to right, "the bong", TiAL's new atmo BOV and the current TiAL atmo BOV

Whoah, what a thread to bring up, hilarious stuff.

Per title "best plumb back" Everyone has their preferences. Cheap, name brand aftermarket device that works, the Trust R is hard to beat.

They're like 230 clams, almost half that of a local made Turbosmart one. Compact and simple, does the same recric job a BOV is sposed to, but in a smaller form factor then stock. This is for a spritley BNR32 though where the twins, plus the y pipe take up a heap of room where a o.coiler should be :P

Edited by GeeTR
  • 2 months later...

Hi.

For those who are having problems with 100% atmospheric blow off valves, give the 50/50's a go, yes the problem will still be there as some of the air that has allready been measured will not not reach the engine, but it wont be as bad as a full atmo valve, plus you still get your "pchhhh" sound that you like.

If you really want the sound, and dont want to affect drivablility, just get a full plumb back Bypass Valve, and get one of those BOV noise generators.

This way you still get your noise, retain good driveability and it will end up being cheaper.

Jake

Too easy, your on the mailing list :thumbsup: Its sent out on the Thursday of every week.

This week we tackle issues such as

- FPR: Is there any benefit to aftermarket units in environments with wildly fluctuating engine loads

- Achievements / Ego: Have you just make 350rwkw and now suffer a dramatic drop of forum etiquette and common human decency when contributing? We discuss here

- Running Man: Is running from the cops a good idea in a Skyline? See readers accounts

- Scrunch or Fold: We benchmark the most common toilet paper brands and put them through a rigorous ring cleaning regime to give you the facts you need

- 007: We review the unethical act of making bogus SAU accounts and posting replies to your own comments

- pH: Pub brawler Regee, lets us in on some tips for removing vomit induced acid burns off car duco

Funniest shit I have ever read on the forum!

Any takers on this one?

I'll bite...short answer...they have larger flow paths and are less likely to leak...they are also interchangeable but you need a larger plumback pipe...

But if you had searched you would have found your answer...

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