[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index] Boost gauges, 5KCSTQ
On Fri, 24 Mar 1995, Arun Rao wrote: > > gauge actually elctronically measures manifold pressure, not true boost > > pressure. .... [ stuff deleted ] > > > >-- End of excerpt from Steve Marinello > > OK, I'll bite ... what's the difference? Naively, it would > seem that boost pressure would just be the difference between > atmospheric pressure and manifold pressure: if my gauge says > 1.4, the boost pressure is 0.4. In any case, isn't it the > manifold pressure that counts? > > -Arun Arun, I installed an Autometer boost gauge, and found that the stock digital gauge in the centre console is fairly accurate but it lags behind actual boost pressure by a few tenths of a second. Also, since it measures in tenths of a bar, the resolution is fairly coarse. The Autometer boost gauge measures psi, and realistically, I can read it to within a 1/2 psi. Compared to roughly 1.5psi per .1 bar, there is quite a difference in resolution. I like the Autometer boost gauge alot better. Later, Graydon D. Stuckey '86 Audi 5000 CS Turbo Quattro '83 Mazda RX7, SCCA Solo II F-Prepared '83 Mazda RX7, street car '85 Mazda RX7, street car -------------------------------------------------------------------- GDS Racing (810) 733-7383 4081 Sheraton Drive, EMAIL:graydon@apollo.gmi.edu Flint, MI 48532 Cogito ergo Zoom!! --------------------------------------------------------------------
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