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 Old 04-09-2008, 04:37 PM   #1
 
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Default Is this normal?

I installed my Prosport BC(by BC i mean BG....) a while back and had a quick question on the numbers I am seeing. In 3 gear or higher, it spikes to 20 and then settles a little higher than 15psi. Should it be spiking that high? Its not holding that high at all, just a quick spike. The only mods I have so far is a Cobb SRI. Just making sure this is normal before I order a MBC and make my MAP clamp.

Last edited by SgtP; 04-09-2008 at 07:49 PM. Reason: BC was supposed to be BG
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 Old 04-09-2008, 04:38 PM   #2
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i hope you invested in a fail safe such as a map clamp or a boost cut defender.
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 Old 04-09-2008, 05:12 PM   #3
 
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I have neither but I didn't expect to need them just running an intake. I have not experiencing any boost cut at all, just some spikes to 20 that I got worried about.
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 Old 04-09-2008, 05:24 PM   #4
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Well it will help you control a spike in the 20+ range which you dont want.
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 Old 04-09-2008, 05:39 PM   #5
 
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Do you think its an actual spike or a lack of accuracy in the gauge. I wonder what I would see if I bought the STRI or DEFI gauge.
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 Old 04-09-2008, 05:40 PM   #6
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Spike is common, esp with a MBC. What are you currently using to monitor the boost?
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 Old 04-09-2008, 07:48 PM   #7
 
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Holy shit i just noticed I said it was a Prosport BC.... Its a Prosport BG...my bad lol No BC installed atm. That changes things a lot lol.
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 Old 04-09-2008, 07:50 PM   #8
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lol yeah it does.
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 Old 04-09-2008, 08:03 PM   #9
 
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Yea so no BOOST CONTROLLER installed yet. Just the Cobb SRI and Boost GAUGE. Are spikes that high still common with no BC installed?
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 Old 04-09-2008, 08:08 PM   #10
 
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mine spikes like that. Only to around 19psi though. I has Intake + TBE
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 Old 04-09-2008, 08:12 PM   #11
 
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I have a datalog that shows that I spiked to 23psi in 3rd gear. No worries from over here...
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 Old 04-09-2008, 08:27 PM   #12
 
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makes me feel better now. Its just barely hitting 20. I have the warning set at a little over 20 and it hasn't gone off yet. Can't wait to get my MBC and make my clamp. I want it now but I might get my TBE first. probably makes more sense.
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