What boost are you guys getting with the stage 1?
I still think I have a slight bog issue kicking down from 2rd to 2nd at around 40mph. Off the line,nailing it,it will hit 20-22 lbds. If I am doing around 50-60 and nail it I get 22-23 lbs. Kicking down from 3rd to 2nd though I get 14-17 lbs.
It does not seem like its ok to me. Mine is an 09 automatic. Post up what you guiys are getting so I know I am not "imagining" my little issue?:confused: I thought I saw some are getting 24-26 lbs? |
I took mine in for a surging at times, not fully boosted at others. They determined mine was the Bypass Valve. (status: they ordered the part this past Tuesday 6/16)
In past, I have seen well over 22 PSI and many times over 25 (25-27).....but then I think the bypass valve started malfuntioning....as I am lucky to get the 20's now. It's steady one in the high teens though, when needed. As to your exact RPM/Speed dropping issue....I think I have observed that at times...and thought I read something about it. Maybe others will chime in. Could be a fail-safe, for in case it dropped gears on full boost. |
Thanks for the reply. I'll keep my eye on my car and see how it goes.
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I usually see 22-23psi max boost, and in some situations it will only boost to 16 or so. But most times it will hit 22-23.
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I average around 15 -17 when light on the throttle but when I punch it it will shoot up to about 25-30. I have 5 speed.
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I have a manual trans with LSD.
In real numbers, around 6psi tops in 1st gear, but once in 2nd through 5th all hell breaks loose and it's pushing about 21 to 22psi. I used to see higher numbers a few weeks ago, but the ambient air has gotten warmer lately, so I imagine there's less air density (thus less molecular volume at a given pressure). |
23 - 24 since my install in Jan/09.
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Could the lower boost you see in first or second gear by GM's "parts saving -warranty reducing" aid by reducing HP in the lower gear range???? (automatics ONLY)
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I am at 1050 feet and see 20-22 with an auto. I have seen this level in first and second gears.
At higher speed and depending what RPM I see on kick down it may hit 16-17. The higher the revs the more boost. Alt and temps will also effect this. |
20-22 on the go.
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