best aftermarket boost gauge
centaurus3200 at yahoo.com
Wed Sep 17 20:20:58 PDT 2008
i was also thinking of a 60 psi digital autometer, like:
--- On Wed, 9/17/08, mike claire <mike.claire at gmail.com> wrote:
From: mike claire <mike.claire at gmail.com>
Subject: Re: best aftermarket boost gauge
To: centaurus3200 at yahoo.com
Date: Wednesday, September 17, 2008, 6:09 PM
I use the 20 psi version Autometer in my S4 - and that car goes to 23 or 24. There's no mechanical stop, it just runs out of numbers.
It's easy to see when you're on full boost - you're past the max. Does 20 to 24 lbs get "lost" on a 30 when things are happening fast? It might - but when I bought mine they were out of the 30s so I bought a 20.....
On Wed, Sep 17, 2008 at 4:31 PM, robert weinberg <centaurus3200 at yahoo.com> wrote:
i'm ready to install a decent boost gauge in my car being the digital one is dead. and being it's not all that reliable and only reads to 2 bar - it makes for sense to install a good aftermarket one.
i was thinking the autometer 3303. it reads up to 30 psi. i'm running an IA3+. i think it's 2.5 bar - but you deduct 1 bar (14.5 psi) for atmostphereic pressure - being it's NOT manifold (boost) presure. so, the IA3+ is 21.5 psi, correct?
so, will a 30 psi boost gauge be fine or will the boost gauge also read atmospheric pressure on top of the manifold pressure?
what i want is to accurately read manifold pressure and have "more gauge" available to keep an eye on overboost.
lastly, some say the IA3+ overboosts to 3 bar (29 psi manifold pressure) - but i've also read it reduces boost at redline to save the turbo.
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