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      11-24-2011, 02:16 PM   #1
Drives: VO 1M, 300zx TT
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Location: Corpus Christi, Texas

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Post SSQV vs Tial vs Synchronic

I'm looking to finally get a charge-pipe for methanol injection and other reasons. I'm having trouble deciding on a Bypass Valve.

I have experience with SSQVs on my 300zx and they are great but still have some flimsy/plastic parts internally, and I wonder if the Synapse could be an improvement.

I don't want compressor surge or fluttering, and I do want the best boost response possible.

I've heard great things about Tial, but it usually is kind of a hard-headed "It's best because it's made in USA and used forever" type of answer.

Synapse is newer in the game, and their engineering articles and video testing leaves me curious.

Which valve would you choose and why? Thanks!

Last edited by Fundahl; 11-24-2011 at 02:25 PM.
Fundahl is offline   United_States
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      11-26-2011, 09:17 PM   #2
Drives: 08 135i / 06 e90 325xi
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i have a synapse and it functions flawlessly and sounds great .... on low partial throttle it makes the spooling noise louder too hard to explain but the way it works on pressure of the air it is partially open at low pedal and low rpm and sounds sick... but does no leak a smidge under any type of load...
08 135i 6m - 12.1@120.2 2.0 60ft - JB4/Meth - SOLD
09 335i e92 Mtech - RB FBO
ChuckD05 is offline   United_States
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      12-21-2011, 11:41 AM   #3
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I have been using Tial for years, never one problem and they are made in the USA.
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blow off valve, bov, bypass valve

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