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Old 11-11-2012, 06:15 PM   #1
jsBLwrx
Scooby Newbie
 
Member#: 336744
Join Date: Nov 2012
Chapter/Region: MAIC
Default newbie with question concerning boost fluttering

Hi all, newbie here

l have a 2013 opb sedan with 1200 miles on the odo.

Bought the car with seven miles on the odo and had been driven the car under 4k rpm for the break-in period

Today, l've wanted to see how much boost the turbo is generating and did a couple of slightly less than pedal to the floor acceleration on the second gear. This is what I've observed and concerns me:

Between 4500-5200rpm: boost appeared to settle at 10lbs

Then the needle on the boost gauge fluttered wildly between 13-16lbs when the engine rpm was around 552-5800rpm

The car is bone stock and it's a limited pkg that was equipped with the SPT boost gauge, the STS and the SPT axle-backs

So, what gives? Thanks folks
jsBLwrx is offline  
 

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