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Old 03-28-2012, 12:51 AM
jsimon7777 jsimon7777 is offline
Giant Robot
Location: Fremont, CA
Join Date: Mar 2008
Posts: 604
Mein Auto: Scion FR-S
Originally Posted by Kalil147 View Post
Hey I tried it. Great explanation! I disconnected both tubes and joined them together. But nothing happened. No changes! Does that mean I have a vacuum leak? I found the little waste gate right above the exhaust which opens and closes the exhaust. When I played around with it to manually open the exhaust and it worked. Now the question is, if I have a leak, where can it come from? And would there be a problem if I find a way to bolt the waste gate open permanently?
Sounds like you do have a leak. The line was a regular hoover for me. Did you never get the deep growl of the engine at high, hard revs? You might have been limping on one pipe for a while.

I'm not so sure about those ties. How hot does it get where they are?

The rumble is fun. I'm not sure my wife would prefer it, though. I also periodically get some kind of rough resonance periodically while barely holding down the accelerator in 1st gear at around 1100rpm. That rough spot seems to be gone.
2013 Scion FR-S
2007 550i Sport - GONE
2008 528i - GONE
"What are you going to replace your BMW with?"
"Another BMW, with a bigger engine!"
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