Another thing I forgot to mention was the Synapse BOV. When I installed it, I was having some pretty bad surge around 4k rpm and up. I followed the directions I found from other people running it and Tee'd in the C port to the Compressor housing/MBC line, and the A&B ports in a Y connector and ran that to the stock BOV vacuum connection that runs along side the valve cover. This morning I decided to experiment a little with different ways to route the A & B ports. Some people were having better results only using either the A or B port with the other open to atmosphere.
First I tried running only port A. it felt good, there seemed to be a little 'leak off' of boost(for lack of a better term I guess) in partial throttle acceleration, but almost no surge.
Second I tried port B. There wasn't as much boost 'leak off', almost none actually, but the surge was back just like when I had A&B hooked together.
I decided to run port A to the stock BOV vacuum location and feels good. MUCH less surge than with the stock BOV in high gear (5th and 6th mainly) while at low speeds. Overall, for $80 spent on the thing I am happy with it so far.
Quote:
Originally Posted by Kracka
$50 Bosch universal 4-wire works perfectly. Otherwise OxygenGeeks has a direct-fit for ~$60.
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Thanks! I'll keep that in mind if mine goes out
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