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10+psi on stock MAP sensor

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Old 01-09-2006, 03:32 AM
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Originally Posted by PSC,Jan 8 2006, 03:15 AM
Yes

It pretty much cant read past 10.94 PSIg. So if you get some boost creep or a wastegate pipe comes off you will never know (timeousley enough anyway ).
I was reffering to Vortech'd boost but I think I'll change it anyway to be sure.
Old 01-09-2006, 08:14 PM
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i had the same problem and thought that the belt was slipping. then it finally hit me. I got the AEM Map and it was smooth as butter.
Old 01-25-2006, 12:17 AM
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out of curiosity, what are signs of a bad map sensor?
Old 02-06-2006, 11:04 AM
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Anyone have the part number for the GM 2bar and 3bar map sensors?
Old 02-07-2006, 12:01 AM
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I wanted to get a high octane 10psi map tuned for those special days.
Will I be just fine with the stock MAP sensor?
If not, do I need to retune my 8psi map as well after changing out the MAP sensor to a 3 bar?
Old 02-07-2006, 02:42 AM
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Originally Posted by jakub2000,Feb 7 2006, 11:01 AM
I wanted to get a high octane 10psi map tuned for those special days.
Will I be just fine with the stock MAP sensor?
If not, do I need to retune my 8psi map as well after changing out the MAP sensor to a 3 bar?
[Stock MAP] So long as you remain within the bounds of your load points / MAP range you should be okay. I would suggest cutting fuel at 10.4 PSI and log it to make sure it does !

If you change the make/range of your MAP sensor you will need to recalibrate everything that is dependant on load as the granularity of your load points is going to change. There are a number of ways to arrive at a base tune from your previous tune, but ultimately I would suggest at least some dyno time.
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