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Old Sep 18, 2008 | 06:26 PM
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car isnt feeling as fast as usual dont think its just me being bored with it, doesnt seem im building boost like i use to also, seems to just cut off at 4 instead of 6.5 just seems laggy
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Old Sep 18, 2008 | 07:13 PM
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Check for vacuum leaks?
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Old Sep 18, 2008 | 07:14 PM
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and/or exhaust leaks
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Old Sep 18, 2008 | 07:34 PM
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what do u guys use to check for both, also could the plugs and wires be a problem also if they needed to be changed think im do
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Old Sep 18, 2008 | 09:23 PM
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Do you have a boost gauge? Boost leak?
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Old Sep 18, 2008 | 09:40 PM
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yes i have a boost gauge thats why im saying its only building 4psi, should be around 6.5 boost leak makes sense also exhaust leak could be a problem too ugh
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Old Sep 18, 2008 | 10:04 PM
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Belt slipping maybe?
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Old Sep 19, 2008 | 12:03 AM
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ugh i def hope not that one
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Old Sep 19, 2008 | 08:11 AM
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When I first built my engine, I kept blowing the hose off the volute because there is no lip on the end. I was able to make 5psi boost with the output hose hanging off by 1/2". It was noisy when I was driving. If a good visual inspection doesn't reveal your problem, you can pressurize the entire system. Put a disc or cap in the system to block the throttle body end of your plumbing and cap off the other end with a fitting in the cap and put pressure across the plumbing using a compressor with the regulator turned down to help reveal your trouble. Your BOV could be stuck open, loose plumbing, torn hose, hole in intercooler. Give it a thorough inspection!

Last edited by BLOWNBLUEZ06; Sep 19, 2008 at 09:17 AM.
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Old Sep 19, 2008 | 08:50 AM
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I had my airbridge seperate on me and I thought something had gone terribly wrong

So check all the connections on the B@@ST side of the Supercharger

Thanks,Matt
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Old Sep 19, 2008 | 10:03 AM
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Are you running cats?
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Old Sep 19, 2008 | 10:40 AM
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no cats, have lg long tubes, there might be a hole in them its happened before since the car is so low, ive scarped them, ill check the vacuum lines
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